diff --git a/compiler/cpp/CMakeLists.txt b/compiler/cpp/CMakeLists.txt
index 01e229d..bc6591c 100644
--- a/compiler/cpp/CMakeLists.txt
+++ b/compiler/cpp/CMakeLists.txt
@@ -56,6 +56,7 @@
     src/main.h
     src/platform.h
     src/md5.h
+    src/audit/t_audit.cpp
     src/parse/t_doc.h
     src/parse/t_type.h
     src/parse/t_base_type.h
diff --git a/compiler/cpp/Makefile.am b/compiler/cpp/Makefile.am
index 559a839..f5514d9 100644
--- a/compiler/cpp/Makefile.am
+++ b/compiler/cpp/Makefile.am
@@ -40,6 +40,7 @@
                  src/platform.h \
                  src/logging.h \
                  src/md5.h \
+                 src/audit/t_audit.cpp \
                  src/parse/t_doc.h \
                  src/parse/t_type.h \
                  src/parse/t_base_type.h \
diff --git a/compiler/cpp/src/audit/readme.txt b/compiler/cpp/src/audit/readme.txt
new file mode 100644
index 0000000..f1c53e3
--- /dev/null
+++ b/compiler/cpp/src/audit/readme.txt
@@ -0,0 +1,32 @@
+Typical usage:
+    thrift.exe --audit <oldFile> <newFile>
+Example run:
+    > thrift.exe --audit test.thrift break1.thrift
+    [Thrift Audit Failure:break1.thrift] New Thrift File has missing function base_function3
+    [Thrift Audit Warning:break1.thrift] Constant const3 has different value
+
+Problems that the audit tool can catch:
+Errors
+    Removing an enum value
+    Changing the type of a struct field
+    Changing the required-ness of a struct field
+    Removing a struct field
+    Adding a required struct field
+    Adding a struct field 'in the middle'.  This usually indicates an old ID has been recycled
+    Struct removed
+    Oneway-ness change
+    Return type change
+    Missing function
+    Missing service
+    Change in service inheritance
+Warnings
+    Removing a language namespace declaration
+    Changing a namespace
+    Changing an enum value's name
+    Removing an enum class
+    Default value changed
+    Struct field name change
+    Removed constant
+    Type of constant changed
+    Value of constant changed
+    
\ No newline at end of file
diff --git a/compiler/cpp/src/audit/t_audit.cpp b/compiler/cpp/src/audit/t_audit.cpp
new file mode 100644
index 0000000..afcbd5e
--- /dev/null
+++ b/compiler/cpp/src/audit/t_audit.cpp
@@ -0,0 +1,466 @@
+
+#include <cassert>
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <time.h>
+#include <string>
+#include <algorithm>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include <limits.h>
+
+// Careful: must include globals first for extern definitions
+#include "globals.h"
+
+#include "parse/t_program.h"
+#include "parse/t_scope.h"
+#include "parse/t_const.h"
+#include "parse/t_field.h"
+
+#include "version.h"
+
+#include "t_audit.h"
+
+extern int g_warn;
+extern std::string g_curpath;
+extern bool g_return_failure;
+
+void thrift_audit_warning(int level, const char* fmt, ...) {
+   if (g_warn < level) {
+      return;
+   }
+   va_list args;
+   printf("[Thrift Audit Warning:%s] ", g_curpath.c_str());
+   va_start(args, fmt);
+   vprintf(fmt, args);
+   va_end(args);
+   printf("\n");
+}
+
+void thrift_audit_failure(const char* fmt, ...) {
+  va_list args;
+  fprintf(stderr, "[Thrift Audit Failure:%s] ", g_curpath.c_str());
+  va_start(args, fmt);
+  vfprintf(stderr, fmt, args);
+  va_end(args);
+  fprintf(stderr, "\n");
+  g_return_failure = true;
+}
+
+void compare_namespace(t_program* newProgram, t_program* oldProgram)
+{
+   const std::map<std::string, std::string>& newNamespaceMap = newProgram->get_all_namespaces();
+   const std::map<std::string, std::string>& oldNamespaceMap = oldProgram->get_all_namespaces();
+
+   for(std::map<std::string, std::string>::const_iterator oldNamespaceMapIt = oldNamespaceMap.begin();
+         oldNamespaceMapIt != oldNamespaceMap.end();
+         oldNamespaceMapIt++)
+   {
+      std::map<std::string, std::string>::const_iterator newNamespaceMapIt = newNamespaceMap.find(oldNamespaceMapIt->first);
+      if(newNamespaceMapIt == newNamespaceMap.end())
+      {
+         thrift_audit_warning(1, "Language %s not found in new thrift file\n", (oldNamespaceMapIt->first).c_str());
+      }
+      else if((newNamespaceMapIt->second) != oldNamespaceMapIt->second)
+      {
+         thrift_audit_warning(1, "Namespace %s changed in new thrift file\n", (oldNamespaceMapIt->second).c_str());
+      }
+   }
+}
+
+void compare_enum_values(t_enum* newEnum,t_enum* oldEnum)
+{
+   const std::vector<t_enum_value*>& oldEnumValues = oldEnum->get_constants();
+   for(std::vector<t_enum_value*>::const_iterator oldEnumValuesIt = oldEnumValues.begin();
+         oldEnumValuesIt != oldEnumValues.end();
+         oldEnumValuesIt++)
+   {
+      int enumValue = (*oldEnumValuesIt)->get_value();
+      t_enum_value* newEnumValue = newEnum->get_constant_by_value(enumValue);
+      if(newEnumValue != NULL)
+      {
+         std::string enumName = (*oldEnumValuesIt)->get_name();
+         if(enumName != newEnumValue->get_name())
+         {
+            thrift_audit_warning(1, "Name of the value %d changed in enum %s\n", enumValue, oldEnum->get_name().c_str());
+         }      
+      }
+      else
+      {
+         thrift_audit_failure("Enum value %d missing in %s\n", enumValue, oldEnum->get_name().c_str());
+      }
+
+   }
+}
+
+void compare_enums(const std::vector<t_enum*>& newEnumList, const std::vector<t_enum*>& oldEnumList)
+{
+   std::map<std::string,t_enum*> newEnumMap;
+   std::vector<t_enum*>::const_iterator newEnumIt;
+   for(newEnumIt = newEnumList.begin(); newEnumIt != newEnumList.end(); newEnumIt++)
+   {
+      newEnumMap[(*newEnumIt)->get_name()] = *newEnumIt;
+   }
+   std::vector<t_enum*>::const_iterator oldEnumIt;
+   for(oldEnumIt = oldEnumList.begin(); oldEnumIt != oldEnumList.end(); oldEnumIt++)
+   {
+      std::map<std::string,t_enum*>::iterator newEnumMapIt;
+      newEnumMapIt = newEnumMap.find((*oldEnumIt)->get_name());
+
+      if(newEnumMapIt == newEnumMap.end())
+      {
+         thrift_audit_warning(1, "Enum %s not found in new thrift file\n",(*oldEnumIt)->get_name().c_str());
+      }
+      else
+      {
+         compare_enum_values(newEnumMapIt->second, *oldEnumIt);
+      }
+   }
+}
+
+//This function returns 'true' if the two arguements are of same types.
+//Returns false if they are of different type
+bool compare_type(t_type* newType, t_type* oldType)
+{
+   //Comparing names of two types will work when the newType and oldType are basic types or structs or enums.
+   //However, when they are containers, get_name() returns empty for which we have to compare the type of 
+   //their elements as well.
+   if((newType->get_name()).empty() && (oldType->get_name()).empty())
+   {
+
+      if(newType->is_list() && oldType->is_list())
+      {
+         t_type* newElementType = ((t_list*)newType)->get_elem_type();
+         t_type* oldElementType = ((t_list*)oldType)->get_elem_type();
+         return compare_type(newElementType, oldElementType);
+      }
+      else if(newType->is_map() && oldType->is_map())
+      {
+         t_type* newKeyType = ((t_map*)newType)->get_key_type();
+         t_type* oldKeyType = ((t_map*)oldType)->get_key_type();
+
+         t_type* newValType = ((t_map*)newType)->get_val_type();
+         t_type* oldValType = ((t_map*)oldType)->get_val_type();
+
+         return (compare_type(newKeyType, oldKeyType) && compare_type(newValType, oldValType));
+      }
+      else if(newType->is_set() && oldType->is_set())
+      {
+         t_type* newElementType = ((t_set*)newType)->get_elem_type();
+         t_type* oldElementType = ((t_set*)oldType)->get_elem_type();
+         return compare_type(newElementType, oldElementType); 
+      }
+      else
+      {
+         return false;
+      }
+   }
+   else if(newType->get_name() == oldType->get_name())
+   {
+      return true;
+   }
+   else
+   {
+      return false;
+   }
+}
+
+bool compare_pair(std::pair<t_const_value*, t_const_value*> newMapPair, std::pair<t_const_value*, t_const_value*> oldMapPair)
+{
+   return compare_defaults(newMapPair.first, oldMapPair.first) && compare_defaults(newMapPair.second, oldMapPair.second);
+}   
+
+// This function returns 'true' if the default values are same. Returns false if they are different.
+bool compare_defaults(t_const_value* newStructDefault, t_const_value* oldStructDefault)
+{
+   if(newStructDefault == NULL && oldStructDefault == NULL) return true;
+   else if(newStructDefault == NULL && oldStructDefault != NULL) return false;
+   else if (newStructDefault != NULL && oldStructDefault == NULL) return false;
+
+   if(newStructDefault->get_type() != oldStructDefault->get_type())
+   {
+      return false;
+   }
+
+   switch(newStructDefault->get_type())
+   {
+      case t_const_value::CV_INTEGER:
+         return (newStructDefault->get_integer() == oldStructDefault->get_integer());
+      case t_const_value::CV_DOUBLE:
+         return (newStructDefault->get_double() == oldStructDefault->get_double());
+      case t_const_value::CV_STRING:
+         return (newStructDefault->get_string() == oldStructDefault->get_string());
+      case t_const_value::CV_LIST:
+         {
+            const std::vector<t_const_value*>& oldDefaultList = oldStructDefault->get_list();
+            const std::vector<t_const_value*>& newDefaultList = newStructDefault->get_list();
+            bool defaultValuesCompare = (oldDefaultList.size() == newDefaultList.size());
+
+            return defaultValuesCompare && std::equal(newDefaultList.begin(), newDefaultList.end(), oldDefaultList.begin(), compare_defaults);
+         }
+      case t_const_value::CV_MAP:
+         {
+            const std::map<t_const_value*, t_const_value*> newMap = newStructDefault->get_map();
+            const std::map<t_const_value*, t_const_value*> oldMap = oldStructDefault->get_map();
+
+            bool defaultValuesCompare = (oldMap.size() == newMap.size());
+
+            return defaultValuesCompare && std::equal(newMap.begin(), newMap.end(), oldMap.begin(), compare_pair);
+         }
+      case t_const_value::CV_IDENTIFIER:
+         return (newStructDefault->get_identifier() == oldStructDefault->get_identifier());
+      default:
+         return false;
+   }
+
+}
+
+void compare_struct_field(t_field* newField, t_field* oldField, std::string oldStructName)
+{
+   t_type* newFieldType = newField->get_type();
+   t_type* oldFieldType = oldField->get_type();
+   if(!compare_type(newFieldType, oldFieldType))
+   {
+      thrift_audit_failure("Struct Field Type Changed for Id = %d in %s \n", newField->get_key(), oldStructName.c_str());
+   }
+
+   // A Struct member can be optional if it is mentioned explicitly, or if it is assigned with default values.
+   bool newStructFieldOptional = (newField->get_req() != t_field::T_REQUIRED);
+   bool oldStructFieldOptional = (oldField->get_req() != t_field::T_REQUIRED);
+
+   if(newStructFieldOptional != oldStructFieldOptional)
+   {
+      thrift_audit_failure("Struct Field Requiredness Changed for Id = %d in %s \n", newField->get_key(), oldStructName.c_str());
+   }
+   if(newStructFieldOptional || oldStructFieldOptional)
+   {
+      if(!compare_defaults(newField->get_value(), oldField->get_value()))
+      {
+         thrift_audit_warning(1, "Default value changed for Id = %d in %s \n", newField->get_key(), oldStructName.c_str());
+      }
+   }
+
+   std::string fieldName = newField->get_name();
+   if(fieldName != oldField->get_name())
+   {
+      thrift_audit_warning(1, "Struct field name changed for Id = %d in %s\n", newField->get_key(), oldStructName.c_str());
+   }
+
+}
+
+void compare_single_struct(t_struct* newStruct, t_struct* oldStruct, const std::string& oldStructName = std::string())
+{
+   std::string structName = oldStructName.empty() ? oldStruct->get_name() : oldStructName;
+   const std::vector<t_field*>& oldStructMembersInIdOrder = oldStruct->get_sorted_members();
+   const std::vector<t_field*>& newStructMembersInIdOrder = newStruct->get_sorted_members();
+   std::vector<t_field*>::const_iterator oldStructMemberIt = oldStructMembersInIdOrder.begin();
+   std::vector<t_field*>::const_iterator newStructMemberIt = newStructMembersInIdOrder.begin();
+
+   // Since we have the struct members in their ID order, comparing their IDs can be done by traversing the two member
+   // lists together.  
+   while(!(oldStructMemberIt == oldStructMembersInIdOrder.end() && newStructMemberIt == newStructMembersInIdOrder.end()))
+   {
+      if(newStructMemberIt == newStructMembersInIdOrder.end() && oldStructMemberIt != oldStructMembersInIdOrder.end())
+      {
+         // A field ID has been removed from the end.
+         thrift_audit_failure("Struct Field removed for Id = %d in %s \n", (*oldStructMemberIt)->get_key(), structName.c_str());
+         oldStructMemberIt++;
+      }
+      else if(newStructMemberIt != newStructMembersInIdOrder.end() && oldStructMemberIt == oldStructMembersInIdOrder.end())
+      {
+         //New field ID has been added to the end.
+         if((*newStructMemberIt)->get_req() == t_field::T_REQUIRED)
+         {
+            thrift_audit_failure("Required Struct Field Added for Id = %d in %s \n", (*newStructMemberIt)->get_key(), structName.c_str());
+         }
+         newStructMemberIt++;
+      }
+      else if((*newStructMemberIt)->get_key() == (*oldStructMemberIt)->get_key())
+      {
+         //Field ID found in both structs. Compare field types, default values.
+         compare_struct_field(*newStructMemberIt, *oldStructMemberIt, structName);
+
+         newStructMemberIt++;
+         oldStructMemberIt++;
+      }
+      else if((*newStructMemberIt)->get_key() < (*oldStructMemberIt)->get_key())
+      {
+         //New Field Id is inserted in between
+         //Adding fields to struct is fine, but adding them in the middle is suspicious. Error!!
+         thrift_audit_failure("Struct field is added in the middle with Id = %d in %s\n",  (*newStructMemberIt)->get_key(),  structName.c_str());
+         newStructMemberIt++;
+      }
+      else if((*newStructMemberIt)->get_key() > (*oldStructMemberIt)->get_key())
+      {
+         //A field is deleted in newStruct.
+         thrift_audit_failure("Struct Field removed for Id = %d in %s \n",  (*oldStructMemberIt)->get_key(), structName.c_str());
+         oldStructMemberIt++;
+      }
+
+   }
+}
+
+void compare_structs(const std::vector<t_struct*>& newStructList, const std::vector<t_struct*>& oldStructList)
+{
+   std::map<std::string,t_struct*> newStructMap;
+   std::vector<t_struct*>::const_iterator newStructListIt;
+   for(newStructListIt = newStructList.begin(); newStructListIt != newStructList.end(); newStructListIt++)
+   {
+      newStructMap[(*newStructListIt)->get_name()] = *newStructListIt;
+   }
+
+   std::vector<t_struct*>::const_iterator oldStructListIt;
+   for(oldStructListIt = oldStructList.begin(); oldStructListIt != oldStructList.end(); oldStructListIt++)
+   {
+      std::map<std::string, t_struct*>::iterator newStructMapIt;
+      newStructMapIt = newStructMap.find((*oldStructListIt)->get_name());
+      if(newStructMapIt == newStructMap.end())
+      {
+         thrift_audit_failure("Struct %s not found in new thrift file\n", (*oldStructListIt)->get_name().c_str());
+      }
+      else
+      {
+         compare_single_struct(newStructMapIt->second, *oldStructListIt);
+      }
+   }
+
+}
+
+void compare_single_function(t_function* newFunction, t_function* oldFunction)
+{
+   t_type* newFunctionReturnType = newFunction->get_returntype();
+
+   if(newFunction->is_oneway() != oldFunction->is_oneway())
+   {
+      thrift_audit_failure("Oneway attribute changed for function %s\n",oldFunction->get_name().c_str());
+   }
+   if(!compare_type(newFunctionReturnType, oldFunction->get_returntype()))
+   {
+      thrift_audit_failure("Return type changed for function %s\n",oldFunction->get_name().c_str());
+   }
+
+   //Compare function arguments.
+   compare_single_struct(newFunction->get_arglist(), oldFunction->get_arglist());
+   std::string exceptionName = oldFunction->get_name();
+   exceptionName += "_exception";
+   compare_single_struct(newFunction->get_xceptions(), oldFunction->get_xceptions(), exceptionName);
+}
+
+void compare_functions(const std::vector<t_function*>& newFunctionList, const std::vector<t_function*>& oldFunctionList)
+{
+   std::map<std::string, t_function*> newFunctionMap;
+   std::map<std::string, t_function*>::iterator newFunctionMapIt;
+   for(std::vector<t_function*>::const_iterator newFunctionIt = newFunctionList.begin();
+         newFunctionIt != newFunctionList.end();
+         newFunctionIt++)
+   {
+      newFunctionMap[(*newFunctionIt)->get_name()] = *newFunctionIt;
+   }
+
+   for(std::vector<t_function*>::const_iterator oldFunctionIt = oldFunctionList.begin();
+         oldFunctionIt != oldFunctionList.end();
+         oldFunctionIt++)
+   {
+      newFunctionMapIt = newFunctionMap.find((*oldFunctionIt)->get_name());
+      if(newFunctionMapIt == newFunctionMap.end())
+      {
+         thrift_audit_failure("New Thrift File has missing function %s\n",(*oldFunctionIt)->get_name().c_str());
+         continue;
+      }
+      else
+      {
+         //Function is found in both thrift files. Compare return type and argument list
+         compare_single_function(newFunctionMapIt->second, *oldFunctionIt);
+      }
+   }
+
+}
+
+void compare_services(const std::vector<t_service*>& newServices, const std::vector<t_service*>& oldServices)
+{
+   std::vector<t_service*>::const_iterator oldServiceIt;
+
+   std::map<std::string, t_service*> newServiceMap;
+   for(std::vector<t_service*>::const_iterator newServiceIt = newServices.begin();
+         newServiceIt != newServices.end();
+         newServiceIt++)
+   {
+      newServiceMap[(*newServiceIt)->get_name()] = *newServiceIt;
+   }
+
+
+   for(oldServiceIt = oldServices.begin(); oldServiceIt != oldServices.end(); oldServiceIt++)
+   {
+      const std::string oldServiceName = (*oldServiceIt)->get_name();
+      std::map<std::string, t_service*>::iterator newServiceMapIt = newServiceMap.find(oldServiceName);
+
+      if(newServiceMapIt == newServiceMap.end())
+      {
+         thrift_audit_failure("New Thrift file is missing a service %s\n", oldServiceName.c_str());
+      }
+      else
+      {
+         t_service* oldServiceExtends = (*oldServiceIt)->get_extends();
+         t_service* newServiceExtends = (newServiceMapIt->second)->get_extends();
+
+         if(oldServiceExtends == NULL)
+         {
+            // It is fine to add extends. So if service in older thrift did not have any extends, we are fine.
+            // DO Nothing
+         }
+         else if(oldServiceExtends != NULL && newServiceExtends == NULL)
+         {
+            thrift_audit_failure("Change in Service inheritance for %s\n", oldServiceName.c_str());
+         }
+         else
+         {
+            std::string oldExtendsName = oldServiceExtends->get_name();
+            std::string newExtendsName = newServiceExtends->get_name();
+
+            if( newExtendsName != oldExtendsName)
+            {
+               thrift_audit_failure("Change in Service inheritance for %s\n", oldServiceName.c_str());
+            }
+         }
+
+         compare_functions((newServiceMapIt->second)->get_functions(), (*oldServiceIt)->get_functions());
+      }
+
+   }
+
+}
+
+void compare_consts(const std::vector<t_const*>& newConst, const std::vector<t_const*>& oldConst)
+{
+   std::vector<t_const*>::const_iterator newConstIt;
+   std::vector<t_const*>::const_iterator oldConstIt;
+
+   std::map<std::string, t_const*> newConstMap;
+
+   for(newConstIt = newConst.begin(); newConstIt != newConst.end(); newConstIt++)
+   {
+      newConstMap[(*newConstIt)->get_name()] = *newConstIt;
+   }
+
+   std::map<std::string, t_const*>::const_iterator newConstMapIt;
+   for(oldConstIt = oldConst.begin(); oldConstIt != oldConst.end(); oldConstIt++)
+   {
+      newConstMapIt = newConstMap.find((*oldConstIt)->get_name());
+      if(newConstMapIt == newConstMap.end())
+      {
+         thrift_audit_warning(1, "Constants Missing %s \n", ((*oldConstIt)->get_name()).c_str());
+      }
+      else if(!compare_type((newConstMapIt->second)->get_type(), (*oldConstIt)->get_type()))
+      {
+         thrift_audit_warning(1, "Constant %s is of different type \n", ((*oldConstIt)->get_name()).c_str());
+      }
+      else if(!compare_defaults((newConstMapIt->second)->get_value(), (*oldConstIt)->get_value()))
+      {
+         thrift_audit_warning(1, "Constant %s has different value\n", ((*oldConstIt)->get_name()).c_str());
+      }
+   }
+}
+
+
diff --git a/compiler/cpp/src/audit/t_audit.h b/compiler/cpp/src/audit/t_audit.h
new file mode 100644
index 0000000..fd0013a
--- /dev/null
+++ b/compiler/cpp/src/audit/t_audit.h
@@ -0,0 +1,11 @@
+#ifndef T_AUDIT_H
+#define T_AUDIT_H
+
+void compare_namespace(t_program* newProgram, t_program* oldProgram);
+void compare_enums(const std::vector<t_enum*>& newEnumList, const std::vector<t_enum*>& oldEnumList);
+bool compare_defaults(t_const_value* newStructDefault, t_const_value* oldStructDefault);
+void compare_structs(const std::vector<t_struct*>& newStructList, const std::vector<t_struct*>& oldStructList);
+void compare_services(const std::vector<t_service*>& newServices, const std::vector<t_service*>& oldServices);
+void compare_consts(const std::vector<t_const*>& newConst, const std::vector<t_const*>& oldConst);
+
+#endif
diff --git a/compiler/cpp/src/main.cc b/compiler/cpp/src/main.cc
index 97d523e..a337cc6 100644
--- a/compiler/cpp/src/main.cc
+++ b/compiler/cpp/src/main.cc
@@ -51,6 +51,7 @@
 #include "parse/t_program.h"
 #include "parse/t_scope.h"
 #include "generate/t_generator.h"
+#include "audit/t_audit.h"
 
 #include "version.h"
 
@@ -169,6 +170,17 @@
 bool gen_recurse = false;
 
 /**
+ * Flags to control thrift audit
+ */
+bool g_audit = false;
+
+/**
+ * Flag to control return status
+ */
+bool g_return_failure = false;
+bool g_audit_fatal = true;
+
+/**
  * Win32 doesn't have realpath, so use fallback implementation in that case,
  * otherwise this just calls through to realpath
  */
@@ -711,6 +723,13 @@
   fprintf(stderr, "                Keys and values are options passed to the generator.\n");
   fprintf(stderr, "                Many options will not require values.\n");
   fprintf(stderr, "\n");
+  fprintf(stderr, "Options related to audit operation\n");
+  fprintf(stderr, "   --audit OldFile   Old Thrift file to be audited with 'file'\n");
+  fprintf(stderr, "  -Iold dir    Add a directory to the list of directories\n");
+  fprintf(stderr, "                searched for include directives for old thrift file\n");
+  fprintf(stderr, "  -Inew dir    Add a directory to the list of directories\n");
+  fprintf(stderr, "                searched for include directives for new thrift file\n");
+  fprintf(stderr, "\n");
   fprintf(stderr, "Available generators (and options):\n");
 
   t_generator_registry::gen_map_t gen_map = t_generator_registry::get_generator_map();
@@ -1029,6 +1048,30 @@
   }
 }
 
+void audit(t_program* new_program, t_program* old_program, string new_thrift_include_path, string old_thrift_include_path)
+{
+  vector<string> temp_incl_searchpath = g_incl_searchpath;
+  if(!old_thrift_include_path.empty()) {
+    g_incl_searchpath.push_back(old_thrift_include_path);
+  }
+
+  parse(old_program, NULL);
+
+  g_incl_searchpath = temp_incl_searchpath;
+  if(!new_thrift_include_path.empty()) {
+    g_incl_searchpath.push_back(new_thrift_include_path);
+  }
+
+  parse(new_program, NULL);
+
+  compare_namespace(new_program, old_program);
+  compare_services(new_program->get_services(), old_program->get_services());
+  compare_enums(new_program->get_enums(), old_program->get_enums());
+  compare_structs(new_program->get_structs(), old_program->get_structs());
+  compare_structs(new_program->get_xceptions(), old_program->get_xceptions());
+  compare_consts(new_program->get_consts(), old_program->get_consts());
+}
+
 /**
  * Parse it up.. then spit it back out, in pretty much every language. Alright
  * not that many languages, but the cool ones that we care about.
@@ -1049,6 +1092,9 @@
   }
 
   vector<string> generator_strings;
+  string old_thrift_include_path;
+  string new_thrift_include_path;
+  string old_input_file;
 
   // Set the current path to a dummy value to make warning messages clearer.
   g_curpath = "arguments";
@@ -1118,6 +1164,35 @@
 #endif
         if (!check_is_directory(out_path.c_str()))
           return -1;
+      } else if (strcmp(arg, "-audit") == 0) {
+        g_audit = true;
+        arg = argv[++i];
+        if (arg == NULL) {
+          fprintf(stderr, "Missing old thrift file name for audit operation\n");
+          usage();
+        }
+        char old_thrift_file_rp[THRIFT_PATH_MAX];
+
+        if (saferealpath(arg, old_thrift_file_rp) == NULL) {
+          failure("Could not open input file with realpath: %s", arg);
+        }
+        old_input_file = string(old_thrift_file_rp);
+      } else if(strcmp(arg, "-audit-nofatal") == 0){
+        g_audit_fatal = false;
+      } else if (strcmp(arg, "-Iold") == 0) {
+        arg = argv[++i];
+        if (arg == NULL) {
+          fprintf(stderr, "Missing Include directory for old thrift file\n");
+          usage();
+        }
+        old_thrift_include_path = string(arg);
+      } else if (strcmp(arg, "-Inew") == 0) {
+        arg = argv[++i];
+        if(arg == NULL) {
+        fprintf(stderr, "Missing Include directory for new thrift file\n");
+        usage();
+        }
+        new_thrift_include_path = string(arg);
       } else {
         fprintf(stderr, "Unrecognized option: %s\n", arg);
         usage();
@@ -1139,41 +1214,6 @@
     exit(0);
   }
 
-  // You gotta generate something!
-  if (generator_strings.empty()) {
-    fprintf(stderr, "No output language(s) specified\n");
-    usage();
-  }
-
-  // Real-pathify it
-  char rp[THRIFT_PATH_MAX];
-  if (argv[i] == NULL) {
-    fprintf(stderr, "Missing file name\n");
-    usage();
-  }
-  if (saferealpath(argv[i], rp) == NULL) {
-    failure("Could not open input file with realpath: %s", argv[i]);
-  }
-  string input_file(rp);
-
-  // Instance of the global parse tree
-  t_program* program = new t_program(input_file);
-  if (out_path.size()) {
-    program->set_out_path(out_path, out_path_is_absolute);
-  }
-
-  // Compute the cpp include prefix.
-  // infer this from the filename passed in
-  string input_filename = argv[i];
-  string include_prefix;
-
-  string::size_type last_slash = string::npos;
-  if ((last_slash = input_filename.rfind("/")) != string::npos) {
-    include_prefix = input_filename.substr(0, last_slash);
-  }
-
-  program->set_include_prefix(include_prefix);
-
   // Initialize global types
   g_type_void = new t_base_type("void", t_base_type::TYPE_VOID);
   g_type_string = new t_base_type("string", t_base_type::TYPE_STRING);
@@ -1188,24 +1228,87 @@
   g_type_i64 = new t_base_type("i64", t_base_type::TYPE_I64);
   g_type_double = new t_base_type("double", t_base_type::TYPE_DOUBLE);
 
-  // Parse it!
-  parse(program, NULL);
+  if(g_audit)
+  {
+    // Audit operation
 
-  // The current path is not really relevant when we are doing generation.
-  // Reset the variable to make warning messages clearer.
-  g_curpath = "generation";
-  // Reset yylineno for the heck of it.  Use 1 instead of 0 because
-  // That is what shows up during argument parsing.
-  yylineno = 1;
+    if (old_input_file.empty()) {
+      fprintf(stderr, "Missing file name of old thrift file for audit\n");
+      usage();
+    }
 
-  // Generate it!
-  generate(program, generator_strings);
+    char new_thrift_file_rp[THRIFT_PATH_MAX];
+    if (argv[i] == NULL) {
+      fprintf(stderr, "Missing file name of new thrift file for audit\n");
+      usage();
+    }
+    if (saferealpath(argv[i], new_thrift_file_rp) == NULL) {
+      failure("Could not open input file with realpath: %s", argv[i]);
+    }
+    string new_input_file(new_thrift_file_rp);
+
+    t_program new_program(new_input_file);
+    t_program old_program(old_input_file);
+
+    audit(&new_program, &old_program, new_thrift_include_path, old_thrift_include_path);
+
+  } else {
+    // Generate options
+    
+    // You gotta generate something!
+    if (generator_strings.empty()) {
+      fprintf(stderr, "No output language(s) specified\n");
+      usage();
+    }
+
+    // Real-pathify it
+    char rp[THRIFT_PATH_MAX];
+    if (argv[i] == NULL) {
+      fprintf(stderr, "Missing file name\n");
+      usage();
+    }
+    if (saferealpath(argv[i], rp) == NULL) {
+      failure("Could not open input file with realpath: %s", argv[i]);
+    }
+    string input_file(rp);
+
+    // Instance of the global parse tree
+    t_program* program = new t_program(input_file);
+    if (out_path.size()) {
+      program->set_out_path(out_path, out_path_is_absolute);
+    }
+
+    // Compute the cpp include prefix.
+    // infer this from the filename passed in
+    string input_filename = argv[i];
+    string include_prefix;
+
+    string::size_type last_slash = string::npos;
+    if ((last_slash = input_filename.rfind("/")) != string::npos) {
+      include_prefix = input_filename.substr(0, last_slash);
+    }
+
+    program->set_include_prefix(include_prefix);
+
+    // Parse it!
+    parse(program, NULL);
+
+    // The current path is not really relevant when we are doing generation.
+    // Reset the variable to make warning messages clearer.
+    g_curpath = "generation";
+    // Reset yylineno for the heck of it.  Use 1 instead of 0 because
+    // That is what shows up during argument parsing.
+    yylineno = 1;
+
+    // Generate it!
+    generate(program, generator_strings);
+    delete program;
+  }
 
   // Clean up. Who am I kidding... this program probably orphans heap memory
   // all over the place, but who cares because it is about to exit and it is
   // all referenced and used by this wacky parse tree up until now anyways.
 
-  delete program;
   delete g_type_void;
   delete g_type_string;
   delete g_type_bool;
@@ -1216,5 +1319,9 @@
   delete g_type_double;
 
   // Finished
+  if (g_return_failure && g_audit_fatal) {
+    exit(2);
+  }
+  // Finished
   return 0;
 }
diff --git a/compiler/cpp/src/parse/t_program.h b/compiler/cpp/src/parse/t_program.h
index cfab691..556ee6c 100644
--- a/compiler/cpp/src/parse/t_program.h
+++ b/compiler/cpp/src/parse/t_program.h
@@ -321,6 +321,9 @@
     return std::string();
   }
 
+  const std::map<std::string, std::string>& get_all_namespaces(){
+     return namespaces_;
+  }
   // Language specific namespace / packaging
 
   void add_cpp_include(std::string path) { cpp_includes_.push_back(path); }
diff --git a/test/audit/break1.thrift b/test/audit/break1.thrift
new file mode 100644
index 0000000..f77f672
--- /dev/null
+++ b/test/audit/break1.thrift
@@ -0,0 +1,188 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+//Thrift Method removed from service base.
+
+namespace cpp test
+
+//constants
+const i32 const1 = 123;
+const double const2 = 23.3;
+const map<string,string> const3 = {"hello":"world", "thrift":"audit"};
+
+//Exception
+exception test_exception1 {
+    1: i32 code;
+    2: string json;
+}
+exception test_exception2 {
+    1: i32 code;
+    2: string json;
+}
+
+//Enums
+
+enum test_enum1 {
+    enum1_value0 = 0,
+    enum1_value1 = 1,
+    enum1_value2 = 2,
+    enum1_value5 = 5,
+    enum1_value7 = 7,
+    enum1_value8 = 8
+}
+
+enum test_enum2 {
+    enum2_value0 = 0,
+    enum2_value1 = 1,
+    enum2_value2 = 2,
+    enum2_value3 = 3
+}
+
+enum test_enum3 {
+    enum3_value1 = 0,
+    enum3_value2 = 1
+}
+
+struct test_struct1 {
+    1: i16 struct1_member1,
+    2: i32 struct1_member2,
+    3: i64 struct1_member3,
+    4: double struct1_member4 = 2.5,
+    5: string struct1_member5 = "Audit test",
+    6: bool struct1_member6,
+    7: byte struct1_member7,
+    8: binary struct1_member8,
+    9: test_enum1 struct1_member9
+}
+
+struct test_struct2 {
+    1: list<i16> struct2_member1,
+    2: list<i32> struct2_member2,
+    3: list<i64> struct2_member3= [23, 32],
+    4: list<double> struct2_member4,
+    5: list<string> struct2_member5,
+    6: list<bool> struct2_member6,
+    7: list<byte> struct2_member7,
+    8: list<binary> struct2_member8,
+    9: list<test_enum1> struct2_member9
+}
+
+struct test_struct3 {
+    1: map<i16, i32> struct3_member1 = {1:2, 3:4},
+    2: map<i64, double> struct3_member2 = {10:1.1, 20:2.1},
+    3: map<string, bool> struct3_member3,
+    4: map<byte, test_enum1> struct3_member4,
+    5: map<test_enum2, test_enum3 > struct3_member5,
+    7: map<double, string> struct3_member7
+}
+
+struct test_struct4 {
+    1: i32 struct4_member1,
+    2: optional i32 struct4_member2
+}
+
+struct test_struct5{
+    1: double struct5_member1,
+    2: string struct5_member2 = "Thrift Audit Test"
+}
+struct test_struct6 {
+    1: i32 struct6_member1,
+    2: required i32 struct6_member2
+}
+
+service base {
+    oneway void base_oneway(
+        1: i32 arg1),
+
+    void base_function1(
+        1: i16 function1_arg1,
+        2: i32 function1_arg2,
+        3: i64 function1_arg3,
+        4: double function1_arg4,
+        5: string function1_arg5,
+        6: bool function1_arg6,
+        7: test_enum1 function1_arg7,
+        8: test_struct1 function1_arg8),
+
+    void base_function2(
+        1: list<i16> function2_arg1,
+        2: list<i32> function2_arg2,
+        3: list<i64> function2_arg3,
+        4: list<double> function2_arg4,
+        5: list<string> function2_arg5,
+        6: list<bool> function2_arg6,
+        7: list<byte> function2_arg7,
+        8: list<test_enum1> function2_arg8,
+        9: list<test_struct1> function2_arg9) throws (1:test_exception2 e),
+
+}
+
+service derived1 extends base {
+    
+    test_enum1 derived1_function1(
+        1: i64 function1_arg1,
+        2: double function1_arg2,
+        3: test_enum1 function1_arg3) throws (1:test_exception2 e),
+
+    i64 derived1_function2(
+        1: list<i64> function2_arg1,
+        2: list<double> function2_arg2,
+        3: list<string> function2_arg3,
+        4: list<byte> function2_arg4,
+        5: list<test_enum1> function2_arg5) throws (1:test_exception2 e),
+
+    double derived1_function3(
+        1: string function3_arg1,
+        2: bool function3_arg2) throws (1:test_exception2 e),
+
+    string derived1_function4(
+        1: string function4_arg1,
+        2: bool function4_arg2) throws (1:test_exception2 e),
+
+
+    bool derived1_function5(
+        1: map<i64, double> function5_arg1,
+        2: map<string, bool> function5_arg2,
+        3: map<test_enum1, test_enum2> function5_arg3) throws (1:test_exception2 e),
+
+    test_struct1 derived1_function6(
+        1: double function6_arg1) throws (1:test_exception2 e),
+}
+
+service derived2 extends base {
+
+    list<i32> derived2_function1(
+        1: i32 function1_arg1) throws (1:test_exception2 e),
+    
+    list<test_enum1> derived2_function2(
+        1:i64 function2_arg2) throws (1:test_exception2 e),
+
+    list<test_struct1> derived2_function3(
+        1:double function3_arg1) throws(1:test_exception2 e),
+
+    map<double, string> derived2_function4(
+        1:string function4_arg1) throws(1:test_exception2 e),
+
+    map<test_enum1, test_enum2> derived2_function5(
+        1:bool function5_arg1) throws(1:test_exception2 e),
+
+    map<test_struct1, test_struct2> derived2_function6(
+        1:bool function6_arg1) throws(1:test_exception2 e),
+    
+}
diff --git a/test/audit/break10.thrift b/test/audit/break10.thrift
new file mode 100644
index 0000000..00690aa
--- /dev/null
+++ b/test/audit/break10.thrift
@@ -0,0 +1,190 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+//break10 - Struct field removed from struct2 id =1
+
+namespace cpp test
+
+//Constants
+const i32 const1 = 123;
+const double const2 = 23.3;
+const map<string,string> const3 = {"hello":"world", "thrift":"audit"};
+
+
+//Exception
+exception test_exception1 {
+    1: i32 code;
+    2: string json;
+}
+exception test_exception2 {
+    1: i32 code;
+    2: string json;
+}
+
+//Enums
+
+enum test_enum1 {
+    enum1_value0 = 0,
+    enum1_value1 = 1,
+    enum1_value2 = 2,
+    enum1_value5 = 5,
+    enum1_value7 = 7,
+    enum1_value8 = 8
+}
+
+enum test_enum2 {
+    enum2_value0 = 0,
+    enum2_value1 = 1,
+    enum2_value2 = 2,
+    enum2_value3 = 3
+}
+
+enum test_enum3 {
+    enum3_value1 = 0,
+    enum3_value2 = 1
+}
+
+struct test_struct1 {
+    1: i16 struct1_member1,
+    2: i32 struct1_member2,
+    3: i64 struct1_member3,
+    4: double struct1_member4 = 2.5,
+    5: string struct1_member5 = "Audit test",
+    6: bool struct1_member6,
+    7: byte struct1_member7,
+    8: binary struct1_member8,
+    9: test_enum1 struct1_member9
+}
+
+struct test_struct2 {
+    2: list<i32> struct2_member2,
+    3: list<i64> struct2_member3 = [23, 32],
+    4: list<double> struct2_member4,
+    5: list<string> struct2_member5,
+    6: list<bool> struct2_member6,
+    7: list<byte> struct2_member7,
+    8: list<binary> struct2_member8,
+    9: list<test_enum1> struct2_member9
+}
+
+struct test_struct3 {
+    1: map<i16, i32> struct3_member1 = {1:2, 3:4},
+    2: map<i64, double> struct3_member2 = {10:1.1, 20:2.1},
+    3: map<string, bool> struct3_member3,
+    4: map<byte, test_enum1> struct3_member4,
+    5: map<test_enum2, test_enum3 > struct3_member5,
+    7: map<double, string> struct3_member7
+}
+
+struct test_struct4 {
+    1: i32 struct4_member1,
+    2: optional i32 struct4_member2
+}
+
+struct test_struct5{
+    1: double struct5_member1,
+    2: string struct5_member2 = "Thrift Audit Test"
+}
+struct test_struct6 {
+    1: i32 struct6_member1,
+    2: required i32 struct6_member2
+}
+
+service base {
+    oneway void base_oneway(
+        1: i32 arg1),
+
+    void base_function1(
+        1: i16 function1_arg1,
+        2: i32 function1_arg2,
+        3: i64 function1_arg3,
+        4: double function1_arg4,
+        5: string function1_arg5,
+        6: bool function1_arg6,
+        7: test_enum1 function1_arg7,
+        8: test_struct1 function1_arg8),
+
+    void base_function2(
+        1: list<i16> function2_arg1,
+        2: list<i32> function2_arg2,
+        3: list<i64> function2_arg3,
+        4: list<double> function2_arg4,
+        5: list<string> function2_arg5,
+        6: list<bool> function2_arg6,
+        7: list<byte> function2_arg7,
+        8: list<test_enum1> function2_arg8,
+        9: list<test_struct1> function2_arg9) throws (1:test_exception2 e),
+
+    void base_function3(),
+
+}
+
+service derived1 extends base {
+    
+    test_enum1 derived1_function1(
+        1: i64 function1_arg1,
+        2: double function1_arg2,
+        3: test_enum1 function1_arg3) throws (1:test_exception2 e),
+
+    i64 derived1_function2(
+        1: list<i64> function2_arg1,
+        2: list<double> function2_arg2,
+        3: list<string> function2_arg3,
+        4: list<byte> function2_arg4,
+        5: list<test_enum1> function2_arg5) throws (1:test_exception2 e),
+
+    double derived1_function3(
+        1: string function3_arg1,
+        2: bool function3_arg2) throws (1:test_exception2 e),
+
+    string derived1_function4(
+        1: string function4_arg1,
+        2: bool function4_arg2) throws (1:test_exception2 e),
+
+
+    bool derived1_function5(
+        1: map<i64, double> function5_arg1,
+        2: map<string, bool> function5_arg2,
+        3: map<test_enum1, test_enum2> function5_arg3) throws (1:test_exception2 e),
+
+    test_struct1 derived1_function6(
+        1: double function6_arg1) throws (1:test_exception2 e),
+}
+
+service derived2 extends base {
+
+    list<i32> derived2_function1(
+        1: i32 function1_arg1) throws (1:test_exception2 e),
+    
+    list<test_enum1> derived2_function2(
+        1:i64 function2_arg2) throws (1:test_exception2 e),
+
+    list<test_struct1> derived2_function3(
+        1:double function3_arg1) throws(1:test_exception2 e),
+
+    map<double, string> derived2_function4(
+        1:string function4_arg1) throws(1:test_exception2 e),
+
+    map<test_enum1, test_enum2> derived2_function5(
+        1:bool function5_arg1) throws(1:test_exception2 e),
+
+    map<test_struct1, test_struct2> derived2_function6(
+        1:bool function6_arg1) throws(1:test_exception2 e),
+    
+}
diff --git a/test/audit/break11.thrift b/test/audit/break11.thrift
new file mode 100644
index 0000000..a4e0a7d
--- /dev/null
+++ b/test/audit/break11.thrift
@@ -0,0 +1,190 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+//break11 - Struct field removed from struct3 id =7
+
+namespace cpp test
+
+//Constants
+const i32 const1 = 123;
+const double const2 = 23.3;
+const map<string,string> const3 = {"hello":"world", "thrift":"audit"};
+
+
+//Exception
+exception test_exception1 {
+    1: i32 code;
+    2: string json;
+}
+exception test_exception2 {
+    1: i32 code;
+    2: string json;
+}
+
+//Enums
+
+enum test_enum1 {
+    enum1_value0 = 0,
+    enum1_value1 = 1,
+    enum1_value2 = 2,
+    enum1_value5 = 5,
+    enum1_value7 = 7,
+    enum1_value8 = 8
+}
+
+enum test_enum2 {
+    enum2_value0 = 0,
+    enum2_value1 = 1,
+    enum2_value2 = 2,
+    enum2_value3 = 3
+}
+
+enum test_enum3 {
+    enum3_value1 = 0,
+    enum3_value2 = 1
+}
+
+struct test_struct1 {
+    1: i16 struct1_member1,
+    2: i32 struct1_member2,
+    3: i64 struct1_member3,
+    4: double struct1_member4 = 2.5,
+    5: string struct1_member5 = "Audit test",
+    6: bool struct1_member6,
+    7: byte struct1_member7,
+    8: binary struct1_member8,
+    9: test_enum1 struct1_member9
+}
+
+struct test_struct2 {
+    1: list<i16> struct2_member1,
+    2: list<i32> struct2_member2,
+    3: list<i64> struct2_member3 = [23, 32 ],
+    4: list<double> struct2_member4,
+    5: list<string> struct2_member5,
+    6: list<bool> struct2_member6,
+    7: list<byte> struct2_member7,
+    8: list<binary> struct2_member8,
+    9: list<test_enum1> struct2_member9
+}
+
+struct test_struct3 {
+    1: map<i16, i32> struct3_member1 = {1:2, 3:4},
+    2: map<i64, double> struct3_member2 = {10:1.1, 20:2.1},
+    3: map<string, bool> struct3_member3,
+    4: map<byte, test_enum1> struct3_member4,
+    5: map<test_enum2, test_enum3 > struct3_member5,
+}
+
+struct test_struct4 {
+    1: i32 struct4_member1,
+    2: optional i32 struct4_member2
+}
+
+struct test_struct5{
+    1: double struct5_member1,
+    2: string struct5_member2 = "Thrift Audit Test"
+}
+struct test_struct6 {
+    1: i32 struct6_member1,
+    2: required i32 struct6_member2
+}
+
+service base {
+    oneway void base_oneway(
+        1: i32 arg1),
+
+    void base_function1(
+        1: i16 function1_arg1,
+        2: i32 function1_arg2,
+        3: i64 function1_arg3,
+        4: double function1_arg4,
+        5: string function1_arg5,
+        6: bool function1_arg6,
+        7: test_enum1 function1_arg7,
+        8: test_struct1 function1_arg8),
+
+    void base_function2(
+        1: list<i16> function2_arg1,
+        2: list<i32> function2_arg2,
+        3: list<i64> function2_arg3,
+        4: list<double> function2_arg4,
+        5: list<string> function2_arg5,
+        6: list<bool> function2_arg6,
+        7: list<byte> function2_arg7,
+        8: list<test_enum1> function2_arg8,
+        9: list<test_struct1> function2_arg9) throws (1:test_exception2 e),
+
+    void base_function3(),
+
+}
+
+service derived1 extends base {
+    
+    test_enum1 derived1_function1(
+        1: i64 function1_arg1,
+        2: double function1_arg2,
+        3: test_enum1 function1_arg3) throws (1:test_exception2 e),
+
+    i64 derived1_function2(
+        1: list<i64> function2_arg1,
+        2: list<double> function2_arg2,
+        3: list<string> function2_arg3,
+        4: list<byte> function2_arg4,
+        5: list<test_enum1> function2_arg5) throws (1:test_exception2 e),
+
+    double derived1_function3(
+        1: string function3_arg1,
+        2: bool function3_arg2) throws (1:test_exception2 e),
+
+    string derived1_function4(
+        1: string function4_arg1,
+        2: bool function4_arg2) throws (1:test_exception2 e),
+
+
+    bool derived1_function5(
+        1: map<i64, double> function5_arg1,
+        2: map<string, bool> function5_arg2,
+        3: map<test_enum1, test_enum2> function5_arg3) throws (1:test_exception2 e),
+
+    test_struct1 derived1_function6(
+        1: double function6_arg1) throws (1:test_exception2 e),
+}
+
+service derived2 extends base {
+
+    list<i32> derived2_function1(
+        1: i32 function1_arg1) throws (1:test_exception2 e),
+    
+    list<test_enum1> derived2_function2(
+        1:i64 function2_arg2) throws (1:test_exception2 e),
+
+    list<test_struct1> derived2_function3(
+        1:double function3_arg1) throws(1:test_exception2 e),
+
+    map<double, string> derived2_function4(
+        1:string function4_arg1) throws(1:test_exception2 e),
+
+    map<test_enum1, test_enum2> derived2_function5(
+        1:bool function5_arg1) throws(1:test_exception2 e),
+
+    map<test_struct1, test_struct2> derived2_function6(
+        1:bool function6_arg1) throws(1:test_exception2 e),
+    
+}
diff --git a/test/audit/break12.thrift b/test/audit/break12.thrift
new file mode 100644
index 0000000..e5522ed
--- /dev/null
+++ b/test/audit/break12.thrift
@@ -0,0 +1,191 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// derived1_function1 return type changed from enum1 to enum2
+
+namespace cpp test
+
+//Constants
+const i32 const1 = 123;
+const double const2 = 23.3;
+const map<string,string> const3 = {"hello":"world", "thrift":"audit"};
+
+
+//Exception
+exception test_exception1 {
+    1: i32 code;
+    2: string json;
+}
+exception test_exception2 {
+    1: i32 code;
+    2: string json;
+}
+
+//Enums
+
+enum test_enum1 {
+    enum1_value0 = 0,
+    enum1_value1 = 1,
+    enum1_value2 = 2,
+    enum1_value5 = 5,
+    enum1_value7 = 7,
+    enum1_value8 = 8
+}
+
+enum test_enum2 {
+    enum2_value0 = 0,
+    enum2_value1 = 1,
+    enum2_value2 = 2,
+    enum2_value3 = 3
+}
+
+enum test_enum3 {
+    enum3_value1 = 0,
+    enum3_value2 = 1
+}
+
+struct test_struct1 {
+    1: i16 struct1_member1,
+    2: i32 struct1_member2,
+    3: i64 struct1_member3,
+    4: double struct1_member4 = 2.5,
+    5: string struct1_member5 = "Audit test",
+    6: bool struct1_member6,
+    7: byte struct1_member7,
+    8: binary struct1_member8,
+    9: test_enum1 struct1_member9
+}
+
+struct test_struct2 {
+    1: list<i16> struct2_member1,
+    2: list<i32> struct2_member2,
+    3: list<i64> struct2_member3 = [23, 32 ],
+    4: list<double> struct2_member4,
+    5: list<string> struct2_member5,
+    6: list<bool> struct2_member6,
+    7: list<byte> struct2_member7,
+    8: list<binary> struct2_member8,
+    9: list<test_enum1> struct2_member9
+}
+
+struct test_struct3 {
+    1: map<i16, i32> struct3_member1 = {1:2, 3:4},
+    2: map<i64, double> struct3_member2 = {10:1.1, 20:2.1},
+    3: map<string, bool> struct3_member3,
+    4: map<byte, test_enum1> struct3_member4,
+    5: map<test_enum2, test_enum3 > struct3_member5,
+    7: map<double, string> struct3_member7
+}
+
+struct test_struct4 {
+    1: i32 struct4_member1,
+    2: optional i32 struct4_member2
+}
+
+struct test_struct5{
+    1: double struct5_member1,
+    2: string struct5_member2 = "Thrift Audit Test"
+}
+struct test_struct6 {
+    1: i32 struct6_member1,
+    2: required i32 struct6_member2
+}
+
+service base {
+    oneway void base_oneway(
+        1: i32 arg1),
+
+    void base_function1(
+        1: i16 function1_arg1,
+        2: i32 function1_arg2,
+        3: i64 function1_arg3,
+        4: double function1_arg4,
+        5: string function1_arg5,
+        6: bool function1_arg6,
+        7: test_enum1 function1_arg7,
+        8: test_struct1 function1_arg8),
+
+    void base_function2(
+        1: list<i16> function2_arg1,
+        2: list<i32> function2_arg2,
+        3: list<i64> function2_arg3,
+        4: list<double> function2_arg4,
+        5: list<string> function2_arg5,
+        6: list<bool> function2_arg6,
+        7: list<byte> function2_arg7,
+        8: list<test_enum1> function2_arg8,
+        9: list<test_struct1> function2_arg9) throws (1:test_exception2 e),
+
+    void base_function3(),
+
+}
+
+service derived1 extends base {
+    
+    test_enum2 derived1_function1(
+        1: i64 function1_arg1,
+        2: double function1_arg2,
+        3: test_enum1 function1_arg3) throws (1:test_exception2 e),
+
+    i64 derived1_function2(
+        1: list<i64> function2_arg1,
+        2: list<double> function2_arg2,
+        3: list<string> function2_arg3,
+        4: list<byte> function2_arg4,
+        5: list<test_enum1> function2_arg5) throws (1:test_exception2 e),
+
+    double derived1_function3(
+        1: string function3_arg1,
+        2: bool function3_arg2) throws (1:test_exception2 e),
+
+    string derived1_function4(
+        1: string function4_arg1,
+        2: bool function4_arg2) throws (1:test_exception2 e),
+
+
+    bool derived1_function5(
+        1: map<i64, double> function5_arg1,
+        2: map<string, bool> function5_arg2,
+        3: map<test_enum1, test_enum2> function5_arg3) throws (1:test_exception2 e),
+
+    test_struct1 derived1_function6(
+        1: double function6_arg1) throws (1:test_exception2 e),
+}
+
+service derived2 extends base {
+
+    list<i32> derived2_function1(
+        1: i32 function1_arg1) throws (1:test_exception2 e),
+    
+    list<test_enum1> derived2_function2(
+        1:i64 function2_arg2) throws (1:test_exception2 e),
+
+    list<test_struct1> derived2_function3(
+        1:double function3_arg1) throws(1:test_exception2 e),
+
+    map<double, string> derived2_function4(
+        1:string function4_arg1) throws(1:test_exception2 e),
+
+    map<test_enum1, test_enum2> derived2_function5(
+        1:bool function5_arg1) throws(1:test_exception2 e),
+
+    map<test_struct1, test_struct2> derived2_function6(
+        1:bool function6_arg1) throws(1:test_exception2 e),
+    
+}
diff --git a/test/audit/break13.thrift b/test/audit/break13.thrift
new file mode 100644
index 0000000..66975cd
--- /dev/null
+++ b/test/audit/break13.thrift
@@ -0,0 +1,191 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// derived1_function6 return type changed from struct1 to struct2
+
+namespace cpp test
+
+//Constants
+const i32 const1 = 123;
+const double const2 = 23.3;
+const map<string,string> const3 = {"hello":"world", "thrift":"audit"};
+
+
+//Exception
+exception test_exception1 {
+    1: i32 code;
+    2: string json;
+}
+exception test_exception2 {
+    1: i32 code;
+    2: string json;
+}
+
+//Enums
+
+enum test_enum1 {
+    enum1_value0 = 0,
+    enum1_value1 = 1,
+    enum1_value2 = 2,
+    enum1_value5 = 5,
+    enum1_value7 = 7,
+    enum1_value8 = 8
+}
+
+enum test_enum2 {
+    enum2_value0 = 0,
+    enum2_value1 = 1,
+    enum2_value2 = 2,
+    enum2_value3 = 3
+}
+
+enum test_enum3 {
+    enum3_value1 = 0,
+    enum3_value2 = 1
+}
+
+struct test_struct1 {
+    1: i16 struct1_member1,
+    2: i32 struct1_member2,
+    3: i64 struct1_member3,
+    4: double struct1_member4 = 2.5,
+    5: string struct1_member5 = "Audit test",
+    6: bool struct1_member6,
+    7: byte struct1_member7,
+    8: binary struct1_member8,
+    9: test_enum1 struct1_member9
+}
+
+struct test_struct2 {
+    1: list<i16> struct2_member1,
+    2: list<i32> struct2_member2,
+    3: list<i64> struct2_member3 = [23, 32 ],
+    4: list<double> struct2_member4,
+    5: list<string> struct2_member5,
+    6: list<bool> struct2_member6,
+    7: list<byte> struct2_member7,
+    8: list<binary> struct2_member8,
+    9: list<test_enum1> struct2_member9
+}
+
+struct test_struct3 {
+    1: map<i16, i32> struct3_member1 = {1:2, 3:4},
+    2: map<i64, double> struct3_member2 = {10:1.1, 20:2.1},
+    3: map<string, bool> struct3_member3,
+    4: map<byte, test_enum1> struct3_member4,
+    5: map<test_enum2, test_enum3 > struct3_member5,
+    7: map<double, string> struct3_member7
+}
+
+struct test_struct4 {
+    1: i32 struct4_member1,
+    2: optional i32 struct4_member2
+}
+
+struct test_struct5{
+    1: double struct5_member1,
+    2: string struct5_member2 = "Thrift Audit Test"
+}
+struct test_struct6 {
+    1: i32 struct6_member1,
+    2: required i32 struct6_member2
+}
+
+service base {
+    oneway void base_oneway(
+        1: i32 arg1),
+
+    void base_function1(
+        1: i16 function1_arg1,
+        2: i32 function1_arg2,
+        3: i64 function1_arg3,
+        4: double function1_arg4,
+        5: string function1_arg5,
+        6: bool function1_arg6,
+        7: test_enum1 function1_arg7,
+        8: test_struct1 function1_arg8),
+
+    void base_function2(
+        1: list<i16> function2_arg1,
+        2: list<i32> function2_arg2,
+        3: list<i64> function2_arg3,
+        4: list<double> function2_arg4,
+        5: list<string> function2_arg5,
+        6: list<bool> function2_arg6,
+        7: list<byte> function2_arg7,
+        8: list<test_enum1> function2_arg8,
+        9: list<test_struct1> function2_arg9) throws (1:test_exception2 e),
+
+    void base_function3(),
+
+}
+
+service derived1 extends base {
+    
+    test_enum1 derived1_function1(
+        1: i64 function1_arg1,
+        2: double function1_arg2,
+        3: test_enum1 function1_arg3) throws (1:test_exception2 e),
+
+    i64 derived1_function2(
+        1: list<i64> function2_arg1,
+        2: list<double> function2_arg2,
+        3: list<string> function2_arg3,
+        4: list<byte> function2_arg4,
+        5: list<test_enum1> function2_arg5) throws (1:test_exception2 e),
+
+    double derived1_function3(
+        1: string function3_arg1,
+        2: bool function3_arg2) throws (1:test_exception2 e),
+
+    string derived1_function4(
+        1: string function4_arg1,
+        2: bool function4_arg2) throws (1:test_exception2 e),
+
+
+    bool derived1_function5(
+        1: map<i64, double> function5_arg1,
+        2: map<string, bool> function5_arg2,
+        3: map<test_enum1, test_enum2> function5_arg3) throws (1:test_exception2 e),
+
+    test_struct2 derived1_function6(
+        1: double function6_arg1) throws (1:test_exception2 e),
+}
+
+service derived2 extends base {
+
+    list<i32> derived2_function1(
+        1: i32 function1_arg1) throws (1:test_exception2 e),
+    
+    list<test_enum1> derived2_function2(
+        1:i64 function2_arg2) throws (1:test_exception2 e),
+
+    list<test_struct1> derived2_function3(
+        1:double function3_arg1) throws(1:test_exception2 e),
+
+    map<double, string> derived2_function4(
+        1:string function4_arg1) throws(1:test_exception2 e),
+
+    map<test_enum1, test_enum2> derived2_function5(
+        1:bool function5_arg1) throws(1:test_exception2 e),
+
+    map<test_struct1, test_struct2> derived2_function6(
+        1:bool function6_arg1) throws(1:test_exception2 e),
+    
+}
diff --git a/test/audit/break14.thrift b/test/audit/break14.thrift
new file mode 100644
index 0000000..4ccd503
--- /dev/null
+++ b/test/audit/break14.thrift
@@ -0,0 +1,190 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// derived1_function6 return type changed from string to double 
+
+namespace cpp test
+//Constants
+const i32 const1 = 123;
+const double const2 = 23.3;
+const map<string,string> const3 = {"hello":"world", "thrift":"audit"};
+
+
+//Exception
+exception test_exception1 {
+    1: i32 code;
+    2: string json;
+}
+exception test_exception2 {
+    1: i32 code;
+    2: string json;
+}
+
+//Enums
+
+enum test_enum1 {
+    enum1_value0 = 0,
+    enum1_value1 = 1,
+    enum1_value2 = 2,
+    enum1_value5 = 5,
+    enum1_value7 = 7,
+    enum1_value8 = 8
+}
+
+enum test_enum2 {
+    enum2_value0 = 0,
+    enum2_value1 = 1,
+    enum2_value2 = 2,
+    enum2_value3 = 3
+}
+
+enum test_enum3 {
+    enum3_value1 = 0,
+    enum3_value2 = 1
+}
+
+struct test_struct1 {
+    1: i16 struct1_member1,
+    2: i32 struct1_member2,
+    3: i64 struct1_member3,
+    4: double struct1_member4 = 2.5,
+    5: string struct1_member5 = "Audit test",
+    6: bool struct1_member6,
+    7: byte struct1_member7,
+    8: binary struct1_member8,
+    9: test_enum1 struct1_member9
+}
+
+struct test_struct2 {
+    1: list<i16> struct2_member1,
+    2: list<i32> struct2_member2,
+    3: list<i64> struct2_member3 = [23, 32 ],
+    4: list<double> struct2_member4,
+    5: list<string> struct2_member5,
+    6: list<bool> struct2_member6,
+    7: list<byte> struct2_member7,
+    8: list<binary> struct2_member8,
+    9: list<test_enum1> struct2_member9
+}
+
+struct test_struct3 {
+    1: map<i16, i32> struct3_member1 = {1:2, 3:4},
+    2: map<i64, double> struct3_member2 = {10:1.1, 20:2.1},
+    3: map<string, bool> struct3_member3,
+    4: map<byte, test_enum1> struct3_member4,
+    5: map<test_enum2, test_enum3 > struct3_member5,
+    7: map<double, string> struct3_member7
+}
+
+struct test_struct4 {
+    1: i32 struct4_member1,
+    2: optional i32 struct4_member2
+}
+
+struct test_struct5{
+    1: double struct5_member1,
+    2: string struct5_member2 = "Thrift Audit Test"
+}
+struct test_struct6 {
+    1: i32 struct6_member1,
+    2: required i32 struct6_member2
+}
+
+service base {
+    oneway void base_oneway(
+        1: i32 arg1),
+
+    void base_function1(
+        1: i16 function1_arg1,
+        2: i32 function1_arg2,
+        3: i64 function1_arg3,
+        4: double function1_arg4,
+        5: string function1_arg5,
+        6: bool function1_arg6,
+        7: test_enum1 function1_arg7,
+        8: test_struct1 function1_arg8),
+
+    void base_function2(
+        1: list<i16> function2_arg1,
+        2: list<i32> function2_arg2,
+        3: list<i64> function2_arg3,
+        4: list<double> function2_arg4,
+        5: list<string> function2_arg5,
+        6: list<bool> function2_arg6,
+        7: list<byte> function2_arg7,
+        8: list<test_enum1> function2_arg8,
+        9: list<test_struct1> function2_arg9) throws (1:test_exception2 e),
+
+    void base_function3(),
+
+}
+
+service derived1 extends base {
+    
+    test_enum1 derived1_function1(
+        1: i64 function1_arg1,
+        2: double function1_arg2,
+        3: test_enum1 function1_arg3) throws (1:test_exception2 e),
+
+    i64 derived1_function2(
+        1: list<i64> function2_arg1,
+        2: list<double> function2_arg2,
+        3: list<string> function2_arg3,
+        4: list<byte> function2_arg4,
+        5: list<test_enum1> function2_arg5) throws (1:test_exception2 e),
+
+    double derived1_function3(
+        1: string function3_arg1,
+        2: bool function3_arg2) throws (1:test_exception2 e),
+
+    double derived1_function4(
+        1: string function4_arg1,
+        2: bool function4_arg2) throws (1:test_exception2 e),
+
+
+    bool derived1_function5(
+        1: map<i64, double> function5_arg1,
+        2: map<string, bool> function5_arg2,
+        3: map<test_enum1, test_enum2> function5_arg3) throws (1:test_exception2 e),
+
+    test_struct1 derived1_function6(
+        1: double function6_arg1) throws (1:test_exception2 e),
+}
+
+service derived2 extends base {
+
+    list<i32> derived2_function1(
+        1: i32 function1_arg1) throws (1:test_exception2 e),
+    
+    list<test_enum1> derived2_function2(
+        1:i64 function2_arg2) throws (1:test_exception2 e),
+
+    list<test_struct1> derived2_function3(
+        1:double function3_arg1) throws(1:test_exception2 e),
+
+    map<double, string> derived2_function4(
+        1:string function4_arg1) throws(1:test_exception2 e),
+
+    map<test_enum1, test_enum2> derived2_function5(
+        1:bool function5_arg1) throws(1:test_exception2 e),
+
+    map<test_struct1, test_struct2> derived2_function6(
+        1:bool function6_arg1) throws(1:test_exception2 e),
+    
+}
diff --git a/test/audit/break15.thrift b/test/audit/break15.thrift
new file mode 100644
index 0000000..95f69e6
--- /dev/null
+++ b/test/audit/break15.thrift
@@ -0,0 +1,190 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// break15 - derived2_function1 return type changed from list<i32> to list<i16>
+namespace cpp test
+
+//Constants
+const i32 const1 = 123;
+const double const2 = 23.3;
+const map<string,string> const3 = {"hello":"world", "thrift":"audit"};
+
+
+//Exception
+exception test_exception1 {
+    1: i32 code;
+    2: string json;
+}
+exception test_exception2 {
+    1: i32 code;
+    2: string json;
+}
+
+//Enums
+
+enum test_enum1 {
+    enum1_value0 = 0,
+    enum1_value1 = 1,
+    enum1_value2 = 2,
+    enum1_value5 = 5,
+    enum1_value7 = 7,
+    enum1_value8 = 8
+}
+
+enum test_enum2 {
+    enum2_value0 = 0,
+    enum2_value1 = 1,
+    enum2_value2 = 2,
+    enum2_value3 = 3
+}
+
+enum test_enum3 {
+    enum3_value1 = 0,
+    enum3_value2 = 1
+}
+
+struct test_struct1 {
+    1: i16 struct1_member1,
+    2: i32 struct1_member2,
+    3: i64 struct1_member3,
+    4: double struct1_member4 = 2.5,
+    5: string struct1_member5 = "Audit test",
+    6: bool struct1_member6,
+    7: byte struct1_member7,
+    8: binary struct1_member8,
+    9: test_enum1 struct1_member9
+}
+
+struct test_struct2 {
+    1: list<i16> struct2_member1,
+    2: list<i32> struct2_member2,
+    3: list<i64> struct2_member3 = [23, 32 ],
+    4: list<double> struct2_member4,
+    5: list<string> struct2_member5,
+    6: list<bool> struct2_member6,
+    7: list<byte> struct2_member7,
+    8: list<binary> struct2_member8,
+    9: list<test_enum1> struct2_member9
+}
+
+struct test_struct3 {
+    1: map<i16, i32> struct3_member1 = {1:2, 3:4},
+    2: map<i64, double> struct3_member2 = {10:1.1, 20:2.1},
+    3: map<string, bool> struct3_member3,
+    4: map<byte, test_enum1> struct3_member4,
+    5: map<test_enum2, test_enum3 > struct3_member5,
+    7: map<double, string> struct3_member7
+}
+
+struct test_struct4 {
+    1: i32 struct4_member1,
+    2: optional i32 struct4_member2
+}
+
+struct test_struct5{
+    1: double struct5_member1,
+    2: string struct5_member2 = "Thrift Audit Test"
+}
+struct test_struct6 {
+    1: i32 struct6_member1,
+    2: required i32 struct6_member2
+}
+
+service base {
+    oneway void base_oneway(
+        1: i32 arg1),
+
+    void base_function1(
+        1: i16 function1_arg1,
+        2: i32 function1_arg2,
+        3: i64 function1_arg3,
+        4: double function1_arg4,
+        5: string function1_arg5,
+        6: bool function1_arg6,
+        7: test_enum1 function1_arg7,
+        8: test_struct1 function1_arg8),
+
+    void base_function2(
+        1: list<i16> function2_arg1,
+        2: list<i32> function2_arg2,
+        3: list<i64> function2_arg3,
+        4: list<double> function2_arg4,
+        5: list<string> function2_arg5,
+        6: list<bool> function2_arg6,
+        7: list<byte> function2_arg7,
+        8: list<test_enum1> function2_arg8,
+        9: list<test_struct1> function2_arg9) throws (1:test_exception2 e),
+
+    void base_function3(),
+
+}
+
+service derived1 extends base {
+    
+    test_enum1 derived1_function1(
+        1: i64 function1_arg1,
+        2: double function1_arg2,
+        3: test_enum1 function1_arg3) throws (1:test_exception2 e),
+
+    i64 derived1_function2(
+        1: list<i64> function2_arg1,
+        2: list<double> function2_arg2,
+        3: list<string> function2_arg3,
+        4: list<byte> function2_arg4,
+        5: list<test_enum1> function2_arg5) throws (1:test_exception2 e),
+
+    double derived1_function3(
+        1: string function3_arg1,
+        2: bool function3_arg2) throws (1:test_exception2 e),
+
+    string derived1_function4(
+        1: string function4_arg1,
+        2: bool function4_arg2) throws (1:test_exception2 e),
+
+
+    bool derived1_function5(
+        1: map<i64, double> function5_arg1,
+        2: map<string, bool> function5_arg2,
+        3: map<test_enum1, test_enum2> function5_arg3) throws (1:test_exception2 e),
+
+    test_struct1 derived1_function6(
+        1: double function6_arg1) throws (1:test_exception2 e),
+}
+
+service derived2 extends base {
+
+    list<i16> derived2_function1(
+        1: i32 function1_arg1) throws (1:test_exception2 e),
+    
+    list<test_enum1> derived2_function2(
+        1:i64 function2_arg2) throws (1:test_exception2 e),
+
+    list<test_struct1> derived2_function3(
+        1:double function3_arg1) throws(1:test_exception2 e),
+
+    map<double, string> derived2_function4(
+        1:string function4_arg1) throws(1:test_exception2 e),
+
+    map<test_enum1, test_enum2> derived2_function5(
+        1:bool function5_arg1) throws(1:test_exception2 e),
+
+    map<test_struct1, test_struct2> derived2_function6(
+        1:bool function6_arg1) throws(1:test_exception2 e),
+    
+}
diff --git a/test/audit/break16.thrift b/test/audit/break16.thrift
new file mode 100644
index 0000000..cdcff7d
--- /dev/null
+++ b/test/audit/break16.thrift
@@ -0,0 +1,191 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// break 16 - derived2_function5 return type changed from map<test_enum1, test_enum2> to map<test_enum3, test_enum2>
+
+namespace cpp test
+
+//Constants
+const i32 const1 = 123;
+const double const2 = 23.3;
+const map<string,string> const3 = {"hello":"world", "thrift":"audit"};
+
+
+//Exception
+exception test_exception1 {
+    1: i32 code;
+    2: string json;
+}
+exception test_exception2 {
+    1: i32 code;
+    2: string json;
+}
+
+//Enums
+
+enum test_enum1 {
+    enum1_value0 = 0,
+    enum1_value1 = 1,
+    enum1_value2 = 2,
+    enum1_value5 = 5,
+    enum1_value7 = 7,
+    enum1_value8 = 8
+}
+
+enum test_enum2 {
+    enum2_value0 = 0,
+    enum2_value1 = 1,
+    enum2_value2 = 2,
+    enum2_value3 = 3
+}
+
+enum test_enum3 {
+    enum3_value1 = 0,
+    enum3_value2 = 1
+}
+
+struct test_struct1 {
+    1: i16 struct1_member1,
+    2: i32 struct1_member2,
+    3: i64 struct1_member3,
+    4: double struct1_member4 = 2.5,
+    5: string struct1_member5 = "Audit test",
+    6: bool struct1_member6,
+    7: byte struct1_member7,
+    8: binary struct1_member8,
+    9: test_enum1 struct1_member9
+}
+
+struct test_struct2 {
+    1: list<i16> struct2_member1,
+    2: list<i32> struct2_member2,
+    3: list<i64> struct2_member3 = [23, 32 ],
+    4: list<double> struct2_member4,
+    5: list<string> struct2_member5,
+    6: list<bool> struct2_member6,
+    7: list<byte> struct2_member7,
+    8: list<binary> struct2_member8,
+    9: list<test_enum1> struct2_member9
+}
+
+struct test_struct3 {
+    1: map<i16, i32> struct3_member1 = {1:2, 3:4},
+    2: map<i64, double> struct3_member2 = {10:1.1, 20:2.1},
+    3: map<string, bool> struct3_member3,
+    4: map<byte, test_enum1> struct3_member4,
+    5: map<test_enum2, test_enum3 > struct3_member5,
+    7: map<double, string> struct3_member7
+}
+
+struct test_struct4 {
+    1: i32 struct4_member1,
+    2: optional i32 struct4_member2
+}
+
+struct test_struct5{
+    1: double struct5_member1,
+    2: string struct5_member2 = "Thrift Audit Test"
+}
+struct test_struct6 {
+    1: i32 struct6_member1,
+    2: required i32 struct6_member2
+}
+
+service base {
+    oneway void base_oneway(
+        1: i32 arg1),
+
+    void base_function1(
+        1: i16 function1_arg1,
+        2: i32 function1_arg2,
+        3: i64 function1_arg3,
+        4: double function1_arg4,
+        5: string function1_arg5,
+        6: bool function1_arg6,
+        7: test_enum1 function1_arg7,
+        8: test_struct1 function1_arg8),
+
+    void base_function2(
+        1: list<i16> function2_arg1,
+        2: list<i32> function2_arg2,
+        3: list<i64> function2_arg3,
+        4: list<double> function2_arg4,
+        5: list<string> function2_arg5,
+        6: list<bool> function2_arg6,
+        7: list<byte> function2_arg7,
+        8: list<test_enum1> function2_arg8,
+        9: list<test_struct1> function2_arg9) throws (1:test_exception2 e),
+
+    void base_function3(),
+
+}
+
+service derived1 extends base {
+    
+    test_enum1 derived1_function1(
+        1: i64 function1_arg1,
+        2: double function1_arg2,
+        3: test_enum1 function1_arg3) throws (1:test_exception2 e),
+
+    i64 derived1_function2(
+        1: list<i64> function2_arg1,
+        2: list<double> function2_arg2,
+        3: list<string> function2_arg3,
+        4: list<byte> function2_arg4,
+        5: list<test_enum1> function2_arg5) throws (1:test_exception2 e),
+
+    double derived1_function3(
+        1: string function3_arg1,
+        2: bool function3_arg2) throws (1:test_exception2 e),
+
+    string derived1_function4(
+        1: string function4_arg1,
+        2: bool function4_arg2) throws (1:test_exception2 e),
+
+
+    bool derived1_function5(
+        1: map<i64, double> function5_arg1,
+        2: map<string, bool> function5_arg2,
+        3: map<test_enum1, test_enum2> function5_arg3) throws (1:test_exception2 e),
+
+    test_struct1 derived1_function6(
+        1: double function6_arg1) throws (1:test_exception2 e),
+}
+
+service derived2 extends base {
+
+    list<i32> derived2_function1(
+        1: i32 function1_arg1) throws (1:test_exception2 e),
+    
+    list<test_enum1> derived2_function2(
+        1:i64 function2_arg2) throws (1:test_exception2 e),
+
+    list<test_struct1> derived2_function3(
+        1:double function3_arg1) throws(1:test_exception2 e),
+
+    map<double, string> derived2_function4(
+        1:string function4_arg1) throws(1:test_exception2 e),
+
+    map<test_enum3, test_enum2> derived2_function5(
+        1:bool function5_arg1) throws(1:test_exception2 e),
+
+    map<test_struct1, test_struct2> derived2_function6(
+        1:bool function6_arg1) throws(1:test_exception2 e),
+    
+}
diff --git a/test/audit/break17.thrift b/test/audit/break17.thrift
new file mode 100644
index 0000000..353b142
--- /dev/null
+++ b/test/audit/break17.thrift
@@ -0,0 +1,191 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+//break17 - derived2_function6 return type changed from map<struct1,struct2> to map<struct1, struct3>
+
+namespace cpp test
+
+//Constants
+const i32 const1 = 123;
+const double const2 = 23.3;
+const map<string,string> const3 = {"hello":"world", "thrift":"audit"};
+
+
+//Exception
+exception test_exception1 {
+    1: i32 code;
+    2: string json;
+}
+exception test_exception2 {
+    1: i32 code;
+    2: string json;
+}
+
+//Enums
+
+enum test_enum1 {
+    enum1_value0 = 0,
+    enum1_value1 = 1,
+    enum1_value2 = 2,
+    enum1_value5 = 5,
+    enum1_value7 = 7,
+    enum1_value8 = 8
+}
+
+enum test_enum2 {
+    enum2_value0 = 0,
+    enum2_value1 = 1,
+    enum2_value2 = 2,
+    enum2_value3 = 3
+}
+
+enum test_enum3 {
+    enum3_value1 = 0,
+    enum3_value2 = 1
+}
+
+struct test_struct1 {
+    1: i16 struct1_member1,
+    2: i32 struct1_member2,
+    3: i64 struct1_member3,
+    4: double struct1_member4 = 2.5,
+    5: string struct1_member5 = "Audit test",
+    6: bool struct1_member6,
+    7: byte struct1_member7,
+    8: binary struct1_member8,
+    9: test_enum1 struct1_member9
+}
+
+struct test_struct2 {
+    1: list<i16> struct2_member1,
+    2: list<i32> struct2_member2,
+    3: list<i64> struct2_member3 = [23, 32 ],
+    4: list<double> struct2_member4,
+    5: list<string> struct2_member5,
+    6: list<bool> struct2_member6,
+    7: list<byte> struct2_member7,
+    8: list<binary> struct2_member8,
+    9: list<test_enum1> struct2_member9
+}
+
+struct test_struct3 {
+    1: map<i16, i32> struct3_member1 = {1:2, 3:4},
+    2: map<i64, double> struct3_member2 = {10:1.1, 20:2.1},
+    3: map<string, bool> struct3_member3,
+    4: map<byte, test_enum1> struct3_member4,
+    5: map<test_enum2, test_enum3 > struct3_member5,
+    7: map<double, string> struct3_member7
+}
+
+struct test_struct4 {
+    1: i32 struct4_member1,
+    2: optional i32 struct4_member2
+}
+
+struct test_struct5{
+    1: double struct5_member1,
+    2: string struct5_member2 = "Thrift Audit Test"
+}
+struct test_struct6 {
+    1: i32 struct6_member1,
+    2: required i32 struct6_member2
+}
+
+service base {
+    oneway void base_oneway(
+        1: i32 arg1),
+
+    void base_function1(
+        1: i16 function1_arg1,
+        2: i32 function1_arg2,
+        3: i64 function1_arg3,
+        4: double function1_arg4,
+        5: string function1_arg5,
+        6: bool function1_arg6,
+        7: test_enum1 function1_arg7,
+        8: test_struct1 function1_arg8),
+
+    void base_function2(
+        1: list<i16> function2_arg1,
+        2: list<i32> function2_arg2,
+        3: list<i64> function2_arg3,
+        4: list<double> function2_arg4,
+        5: list<string> function2_arg5,
+        6: list<bool> function2_arg6,
+        7: list<byte> function2_arg7,
+        8: list<test_enum1> function2_arg8,
+        9: list<test_struct1> function2_arg9) throws (1:test_exception2 e),
+
+    void base_function3(),
+
+}
+
+service derived1 extends base {
+    
+    test_enum1 derived1_function1(
+        1: i64 function1_arg1,
+        2: double function1_arg2,
+        3: test_enum1 function1_arg3) throws (1:test_exception2 e),
+
+    i64 derived1_function2(
+        1: list<i64> function2_arg1,
+        2: list<double> function2_arg2,
+        3: list<string> function2_arg3,
+        4: list<byte> function2_arg4,
+        5: list<test_enum1> function2_arg5) throws (1:test_exception2 e),
+
+    double derived1_function3(
+        1: string function3_arg1,
+        2: bool function3_arg2) throws (1:test_exception2 e),
+
+    string derived1_function4(
+        1: string function4_arg1,
+        2: bool function4_arg2) throws (1:test_exception2 e),
+
+
+    bool derived1_function5(
+        1: map<i64, double> function5_arg1,
+        2: map<string, bool> function5_arg2,
+        3: map<test_enum1, test_enum2> function5_arg3) throws (1:test_exception2 e),
+
+    test_struct1 derived1_function6(
+        1: double function6_arg1) throws (1:test_exception2 e),
+}
+
+service derived2 extends base {
+
+    list<i32> derived2_function1(
+        1: i32 function1_arg1) throws (1:test_exception2 e),
+    
+    list<test_enum1> derived2_function2(
+        1:i64 function2_arg2) throws (1:test_exception2 e),
+
+    list<test_struct1> derived2_function3(
+        1:double function3_arg1) throws(1:test_exception2 e),
+
+    map<double, string> derived2_function4(
+        1:string function4_arg1) throws(1:test_exception2 e),
+
+    map<test_enum1, test_enum2> derived2_function5(
+        1:bool function5_arg1) throws(1:test_exception2 e),
+
+    map<test_struct1, test_struct3> derived2_function6(
+        1:bool function6_arg1) throws(1:test_exception2 e),
+    
+}
diff --git a/test/audit/break18.thrift b/test/audit/break18.thrift
new file mode 100644
index 0000000..c778b6a
--- /dev/null
+++ b/test/audit/break18.thrift
@@ -0,0 +1,191 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+//break18- oneway removed from base_oneway
+
+namespace cpp test
+
+//Constants
+const i32 const1 = 123;
+const double const2 = 23.3;
+const map<string,string> const3 = {"hello":"world", "thrift":"audit"};
+
+
+//Exception
+exception test_exception1 {
+    1: i32 code;
+    2: string json;
+}
+exception test_exception2 {
+    1: i32 code;
+    2: string json;
+}
+
+//Enums
+
+enum test_enum1 {
+    enum1_value0 = 0,
+    enum1_value1 = 1,
+    enum1_value2 = 2,
+    enum1_value5 = 5,
+    enum1_value7 = 7,
+    enum1_value8 = 8
+}
+
+enum test_enum2 {
+    enum2_value0 = 0,
+    enum2_value1 = 1,
+    enum2_value2 = 2,
+    enum2_value3 = 3
+}
+
+enum test_enum3 {
+    enum3_value1 = 0,
+    enum3_value2 = 1
+}
+
+struct test_struct1 {
+    1: i16 struct1_member1,
+    2: i32 struct1_member2,
+    3: i64 struct1_member3,
+    4: double struct1_member4 = 2.5,
+    5: string struct1_member5 = "Audit test",
+    6: bool struct1_member6,
+    7: byte struct1_member7,
+    8: binary struct1_member8,
+    9: test_enum1 struct1_member9
+}
+
+struct test_struct2 {
+    1: list<i16> struct2_member1,
+    2: list<i32> struct2_member2,
+    3: list<i64> struct2_member3 = [23, 32 ],
+    4: list<double> struct2_member4,
+    5: list<string> struct2_member5,
+    6: list<bool> struct2_member6,
+    7: list<byte> struct2_member7,
+    8: list<binary> struct2_member8,
+    9: list<test_enum1> struct2_member9
+}
+
+struct test_struct3 {
+    1: map<i16, i32> struct3_member1 = {1:2, 3:4},
+    2: map<i64, double> struct3_member2 = {10:1.1, 20:2.1},
+    3: map<string, bool> struct3_member3,
+    4: map<byte, test_enum1> struct3_member4,
+    5: map<test_enum2, test_enum3 > struct3_member5,
+    7: map<double, string> struct3_member7
+}
+
+struct test_struct4 {
+    1: i32 struct4_member1,
+    2: optional i32 struct4_member2
+}
+
+struct test_struct5{
+    1: double struct5_member1,
+    2: string struct5_member2 = "Thrift Audit Test"
+}
+struct test_struct6 {
+    1: i32 struct6_member1,
+    2: required i32 struct6_member2
+}
+
+service base {
+    void base_oneway(
+        1: i32 arg1),
+
+    void base_function1(
+        1: i16 function1_arg1,
+        2: i32 function1_arg2,
+        3: i64 function1_arg3,
+        4: double function1_arg4,
+        5: string function1_arg5,
+        6: bool function1_arg6,
+        7: test_enum1 function1_arg7,
+        8: test_struct1 function1_arg8),
+
+    void base_function2(
+        1: list<i16> function2_arg1,
+        2: list<i32> function2_arg2,
+        3: list<i64> function2_arg3,
+        4: list<double> function2_arg4,
+        5: list<string> function2_arg5,
+        6: list<bool> function2_arg6,
+        7: list<byte> function2_arg7,
+        8: list<test_enum1> function2_arg8,
+        9: list<test_struct1> function2_arg9) throws (1:test_exception2 e),
+
+    void base_function3(),
+
+}
+
+service derived1 extends base {
+    
+    test_enum1 derived1_function1(
+        1: i64 function1_arg1,
+        2: double function1_arg2,
+        3: test_enum1 function1_arg3) throws (1:test_exception2 e),
+
+    i64 derived1_function2(
+        1: list<i64> function2_arg1,
+        2: list<double> function2_arg2,
+        3: list<string> function2_arg3,
+        4: list<byte> function2_arg4,
+        5: list<test_enum1> function2_arg5) throws (1:test_exception2 e),
+
+    double derived1_function3(
+        1: string function3_arg1,
+        2: bool function3_arg2) throws (1:test_exception2 e),
+
+    string derived1_function4(
+        1: string function4_arg1,
+        2: bool function4_arg2) throws (1:test_exception2 e),
+
+
+    bool derived1_function5(
+        1: map<i64, double> function5_arg1,
+        2: map<string, bool> function5_arg2,
+        3: map<test_enum1, test_enum2> function5_arg3) throws (1:test_exception2 e),
+
+    test_struct1 derived1_function6(
+        1: double function6_arg1) throws (1:test_exception2 e),
+}
+
+service derived2 extends base {
+
+    list<i32> derived2_function1(
+        1: i32 function1_arg1) throws (1:test_exception2 e),
+    
+    list<test_enum1> derived2_function2(
+        1:i64 function2_arg2) throws (1:test_exception2 e),
+
+    list<test_struct1> derived2_function3(
+        1:double function3_arg1) throws(1:test_exception2 e),
+
+    map<double, string> derived2_function4(
+        1:string function4_arg1) throws(1:test_exception2 e),
+
+    map<test_enum1, test_enum2> derived2_function5(
+        1:bool function5_arg1) throws(1:test_exception2 e),
+
+    map<test_struct1, test_struct2> derived2_function6(
+        1:bool function6_arg1) throws(1:test_exception2 e),
+    
+}
diff --git a/test/audit/break19.thrift b/test/audit/break19.thrift
new file mode 100644
index 0000000..1a0b229
--- /dev/null
+++ b/test/audit/break19.thrift
@@ -0,0 +1,191 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+//break19 - oneway added to base_function1
+
+namespace cpp test
+
+//Constants
+const i32 const1 = 123;
+const double const2 = 23.3;
+const map<string,string> const3 = {"hello":"world", "thrift":"audit"};
+
+
+//Exception
+exception test_exception1 {
+    1: i32 code;
+    2: string json;
+}
+exception test_exception2 {
+    1: i32 code;
+    2: string json;
+}
+
+//Enums
+
+enum test_enum1 {
+    enum1_value0 = 0,
+    enum1_value1 = 1,
+    enum1_value2 = 2,
+    enum1_value5 = 5,
+    enum1_value7 = 7,
+    enum1_value8 = 8
+}
+
+enum test_enum2 {
+    enum2_value0 = 0,
+    enum2_value1 = 1,
+    enum2_value2 = 2,
+    enum2_value3 = 3
+}
+
+enum test_enum3 {
+    enum3_value1 = 0,
+    enum3_value2 = 1
+}
+
+struct test_struct1 {
+    1: i16 struct1_member1,
+    2: i32 struct1_member2,
+    3: i64 struct1_member3,
+    4: double struct1_member4 = 2.5,
+    5: string struct1_member5 = "Audit test",
+    6: bool struct1_member6,
+    7: byte struct1_member7,
+    8: binary struct1_member8,
+    9: test_enum1 struct1_member9
+}
+
+struct test_struct2 {
+    1: list<i16> struct2_member1,
+    2: list<i32> struct2_member2,
+    3: list<i64> struct2_member3 = [23, 32 ],
+    4: list<double> struct2_member4,
+    5: list<string> struct2_member5,
+    6: list<bool> struct2_member6,
+    7: list<byte> struct2_member7,
+    8: list<binary> struct2_member8,
+    9: list<test_enum1> struct2_member9
+}
+
+struct test_struct3 {
+    1: map<i16, i32> struct3_member1 = {1:2, 3:4},
+    2: map<i64, double> struct3_member2 = {10:1.1, 20:2.1},
+    3: map<string, bool> struct3_member3,
+    4: map<byte, test_enum1> struct3_member4,
+    5: map<test_enum2, test_enum3 > struct3_member5,
+    7: map<double, string> struct3_member7
+}
+
+struct test_struct4 {
+    1: i32 struct4_member1,
+    2: optional i32 struct4_member2
+}
+
+struct test_struct5{
+    1: double struct5_member1,
+    2: string struct5_member2 = "Thrift Audit Test"
+}
+struct test_struct6 {
+    1: i32 struct6_member1,
+    2: required i32 struct6_member2
+}
+
+service base {
+    oneway void base_oneway(
+        1: i32 arg1),
+
+    oneway void base_function1(
+        1: i16 function1_arg1,
+        2: i32 function1_arg2,
+        3: i64 function1_arg3,
+        4: double function1_arg4,
+        5: string function1_arg5,
+        6: bool function1_arg6,
+        7: test_enum1 function1_arg7,
+        8: test_struct1 function1_arg8),
+
+    void base_function2(
+        1: list<i16> function2_arg1,
+        2: list<i32> function2_arg2,
+        3: list<i64> function2_arg3,
+        4: list<double> function2_arg4,
+        5: list<string> function2_arg5,
+        6: list<bool> function2_arg6,
+        7: list<byte> function2_arg7,
+        8: list<test_enum1> function2_arg8,
+        9: list<test_struct1> function2_arg9) throws (1:test_exception2 e),
+
+    void base_function3(),
+
+}
+
+service derived1 extends base {
+    
+    test_enum1 derived1_function1(
+        1: i64 function1_arg1,
+        2: double function1_arg2,
+        3: test_enum1 function1_arg3) throws (1:test_exception2 e),
+
+    i64 derived1_function2(
+        1: list<i64> function2_arg1,
+        2: list<double> function2_arg2,
+        3: list<string> function2_arg3,
+        4: list<byte> function2_arg4,
+        5: list<test_enum1> function2_arg5) throws (1:test_exception2 e),
+
+    double derived1_function3(
+        1: string function3_arg1,
+        2: bool function3_arg2) throws (1:test_exception2 e),
+
+    string derived1_function4(
+        1: string function4_arg1,
+        2: bool function4_arg2) throws (1:test_exception2 e),
+
+
+    bool derived1_function5(
+        1: map<i64, double> function5_arg1,
+        2: map<string, bool> function5_arg2,
+        3: map<test_enum1, test_enum2> function5_arg3) throws (1:test_exception2 e),
+
+    test_struct1 derived1_function6(
+        1: double function6_arg1) throws (1:test_exception2 e),
+}
+
+service derived2 extends base {
+
+    list<i32> derived2_function1(
+        1: i32 function1_arg1) throws (1:test_exception2 e),
+    
+    list<test_enum1> derived2_function2(
+        1:i64 function2_arg2) throws (1:test_exception2 e),
+
+    list<test_struct1> derived2_function3(
+        1:double function3_arg1) throws(1:test_exception2 e),
+
+    map<double, string> derived2_function4(
+        1:string function4_arg1) throws(1:test_exception2 e),
+
+    map<test_enum1, test_enum2> derived2_function5(
+        1:bool function5_arg1) throws(1:test_exception2 e),
+
+    map<test_struct1, test_struct2> derived2_function6(
+        1:bool function6_arg1) throws(1:test_exception2 e),
+    
+}
diff --git a/test/audit/break2.thrift b/test/audit/break2.thrift
new file mode 100644
index 0000000..6f4fe2d
--- /dev/null
+++ b/test/audit/break2.thrift
@@ -0,0 +1,190 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+//Struct field changed in test_struct1
+
+namespace cpp test
+
+//Constants
+const i32 const1 = 123;
+const double const2 = 23.3;
+const map<string,string> const3 = {"hello":"world", "thrift":"audit"};
+
+//Exception
+exception test_exception1 {
+    1: i32 code;
+    2: string json;
+}
+exception test_exception2 {
+    1: i32 code;
+    2: string json;
+}
+
+//Enums
+
+enum test_enum1 {
+    enum1_value0 = 0,
+    enum1_value1 = 1,
+    enum1_value2 = 2,
+    enum1_value5 = 5,
+    enum1_value7 = 7,
+    enum1_value8 = 8
+}
+
+enum test_enum2 {
+    enum2_value0 = 0,
+    enum2_value1 = 1,
+    enum2_value2 = 2,
+    enum2_value3 = 3
+}
+
+enum test_enum3 {
+    enum3_value1 = 0,
+    enum3_value2 = 1
+}
+
+struct test_struct1 {
+    1: i32 struct1_member1,
+    2: i32 struct1_member2,
+    3: i64 struct1_member3,
+    4: double struct1_member4 = 2.5,
+    5: string struct1_member5 = "Audit test",
+    6: bool struct1_member6,
+    7: byte struct1_member7,
+    8: binary struct1_member8,
+    9: test_enum1 struct1_member9
+}
+
+struct test_struct2 {
+    1: list<i16> struct2_member1,
+    2: list<i32> struct2_member2,
+    3: list<i64> struct2_member3 = [23, 32],
+    4: list<double> struct2_member4,
+    5: list<string> struct2_member5,
+    6: list<bool> struct2_member6,
+    7: list<byte> struct2_member7,
+    8: list<binary> struct2_member8,
+    9: list<test_enum1> struct2_member9
+}
+
+struct test_struct3 {
+    1: map<i16, i32> struct3_member1 = {1:2, 3:4},
+    2: map<i64, double> struct3_member2 = {10:1.1, 20:2.1},
+    3: map<string, bool> struct3_member3,
+    4: map<byte, test_enum1> struct3_member4,
+    5: map<test_enum2, test_enum3 > struct3_member5,
+    7: map<double, string> struct3_member7
+}
+
+struct test_struct4 {
+    1: i32 struct4_member1,
+    2: optional i32 struct4_member2
+}
+
+struct test_struct5{
+    1: double struct5_member1,
+    2: string struct5_member2 = "Thrift Audit Test"
+}
+struct test_struct6 {
+    1: i32 struct6_member1,
+    2: required i32 struct6_member2
+}
+
+service base {
+    oneway void base_oneway(
+        1: i32 arg1),
+
+    void base_function1(
+        1: i16 function1_arg1,
+        2: i32 function1_arg2,
+        3: i64 function1_arg3,
+        4: double function1_arg4,
+        5: string function1_arg5,
+        6: bool function1_arg6,
+        7: test_enum1 function1_arg7,
+        8: test_struct1 function1_arg8),
+
+    void base_function2(
+        1: list<i16> function2_arg1,
+        2: list<i32> function2_arg2,
+        3: list<i64> function2_arg3,
+        4: list<double> function2_arg4,
+        5: list<string> function2_arg5,
+        6: list<bool> function2_arg6,
+        7: list<byte> function2_arg7,
+        8: list<test_enum1> function2_arg8,
+        9: list<test_struct1> function2_arg9) throws (1:test_exception2 e),
+
+    void base_function3(),
+
+}
+
+service derived1 extends base {
+    
+    test_enum1 derived1_function1(
+        1: i64 function1_arg1,
+        2: double function1_arg2,
+        3: test_enum1 function1_arg3) throws (1:test_exception2 e),
+
+    i64 derived1_function2(
+        1: list<i64> function2_arg1,
+        2: list<double> function2_arg2,
+        3: list<string> function2_arg3,
+        4: list<byte> function2_arg4,
+        5: list<test_enum1> function2_arg5) throws (1:test_exception2 e),
+
+    double derived1_function3(
+        1: string function3_arg1,
+        2: bool function3_arg2) throws (1:test_exception2 e),
+
+    string derived1_function4(
+        1: string function4_arg1,
+        2: bool function4_arg2) throws (1:test_exception2 e),
+
+
+    bool derived1_function5(
+        1: map<i64, double> function5_arg1,
+        2: map<string, bool> function5_arg2,
+        3: map<test_enum1, test_enum2> function5_arg3) throws (1:test_exception2 e),
+
+    test_struct1 derived1_function6(
+        1: double function6_arg1) throws (1:test_exception2 e),
+}
+
+service derived2 extends base {
+
+    list<i32> derived2_function1(
+        1: i32 function1_arg1) throws (1:test_exception2 e),
+    
+    list<test_enum1> derived2_function2(
+        1:i64 function2_arg2) throws (1:test_exception2 e),
+
+    list<test_struct1> derived2_function3(
+        1:double function3_arg1) throws(1:test_exception2 e),
+
+    map<double, string> derived2_function4(
+        1:string function4_arg1) throws(1:test_exception2 e),
+
+    map<test_enum1, test_enum2> derived2_function5(
+        1:bool function5_arg1) throws(1:test_exception2 e),
+
+    map<test_struct1, test_struct2> derived2_function6(
+        1:bool function6_arg1) throws(1:test_exception2 e),
+    
+}
diff --git a/test/audit/break20.thrift b/test/audit/break20.thrift
new file mode 100644
index 0000000..9ae5f00
--- /dev/null
+++ b/test/audit/break20.thrift
@@ -0,0 +1,190 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// break 20 - first enum value removed from enum1
+
+namespace cpp test
+
+//Constants
+const i32 const1 = 123;
+const double const2 = 23.3;
+const map<string,string> const3 = {"hello":"world", "thrift":"audit"};
+
+
+//Exception
+exception test_exception1 {
+    1: i32 code;
+    2: string json;
+}
+exception test_exception2 {
+    1: i32 code;
+    2: string json;
+}
+
+//Enums
+
+enum test_enum1 {
+    enum1_value1 = 1,
+    enum1_value2 = 2,
+    enum1_value5 = 5,
+    enum1_value7 = 7,
+    enum1_value8 = 8
+}
+
+enum test_enum2 {
+    enum2_value0 = 0,
+    enum2_value1 = 1,
+    enum2_value2 = 2,
+    enum2_value3 = 3
+}
+
+enum test_enum3 {
+    enum3_value1 = 0,
+    enum3_value2 = 1
+}
+
+struct test_struct1 {
+    1: i16 struct1_member1,
+    2: i32 struct1_member2,
+    3: i64 struct1_member3,
+    4: double struct1_member4 = 2.5,
+    5: string struct1_member5 = "Audit test",
+    6: bool struct1_member6,
+    7: byte struct1_member7,
+    8: binary struct1_member8,
+    9: test_enum1 struct1_member9
+}
+
+struct test_struct2 {
+    1: list<i16> struct2_member1,
+    2: list<i32> struct2_member2,
+    3: list<i64> struct2_member3 = [23, 32 ],
+    4: list<double> struct2_member4,
+    5: list<string> struct2_member5,
+    6: list<bool> struct2_member6,
+    7: list<byte> struct2_member7,
+    8: list<binary> struct2_member8,
+    9: list<test_enum1> struct2_member9
+}
+
+struct test_struct3 {
+    1: map<i16, i32> struct3_member1 = {1:2, 3:4},
+    2: map<i64, double> struct3_member2 = {10:1.1, 20:2.1},
+    3: map<string, bool> struct3_member3,
+    4: map<byte, test_enum1> struct3_member4,
+    5: map<test_enum2, test_enum3 > struct3_member5,
+    7: map<double, string> struct3_member7
+}
+
+struct test_struct4 {
+    1: i32 struct4_member1,
+    2: optional i32 struct4_member2
+}
+
+struct test_struct5{
+    1: double struct5_member1,
+    2: string struct5_member2 = "Thrift Audit Test"
+}
+struct test_struct6 {
+    1: i32 struct6_member1,
+    2: required i32 struct6_member2
+}
+
+service base {
+    oneway void base_oneway(
+        1: i32 arg1),
+
+    void base_function1(
+        1: i16 function1_arg1,
+        2: i32 function1_arg2,
+        3: i64 function1_arg3,
+        4: double function1_arg4,
+        5: string function1_arg5,
+        6: bool function1_arg6,
+        7: test_enum1 function1_arg7,
+        8: test_struct1 function1_arg8),
+
+    void base_function2(
+        1: list<i16> function2_arg1,
+        2: list<i32> function2_arg2,
+        3: list<i64> function2_arg3,
+        4: list<double> function2_arg4,
+        5: list<string> function2_arg5,
+        6: list<bool> function2_arg6,
+        7: list<byte> function2_arg7,
+        8: list<test_enum1> function2_arg8,
+        9: list<test_struct1> function2_arg9) throws (1:test_exception2 e),
+
+    void base_function3(),
+
+}
+
+service derived1 extends base {
+    
+    test_enum1 derived1_function1(
+        1: i64 function1_arg1,
+        2: double function1_arg2,
+        3: test_enum1 function1_arg3) throws (1:test_exception2 e),
+
+    i64 derived1_function2(
+        1: list<i64> function2_arg1,
+        2: list<double> function2_arg2,
+        3: list<string> function2_arg3,
+        4: list<byte> function2_arg4,
+        5: list<test_enum1> function2_arg5) throws (1:test_exception2 e),
+
+    double derived1_function3(
+        1: string function3_arg1,
+        2: bool function3_arg2) throws (1:test_exception2 e),
+
+    string derived1_function4(
+        1: string function4_arg1,
+        2: bool function4_arg2) throws (1:test_exception2 e),
+
+
+    bool derived1_function5(
+        1: map<i64, double> function5_arg1,
+        2: map<string, bool> function5_arg2,
+        3: map<test_enum1, test_enum2> function5_arg3) throws (1:test_exception2 e),
+
+    test_struct1 derived1_function6(
+        1: double function6_arg1) throws (1:test_exception2 e),
+}
+
+service derived2 extends base {
+
+    list<i32> derived2_function1(
+        1: i32 function1_arg1) throws (1:test_exception2 e),
+    
+    list<test_enum1> derived2_function2(
+        1:i64 function2_arg2) throws (1:test_exception2 e),
+
+    list<test_struct1> derived2_function3(
+        1:double function3_arg1) throws(1:test_exception2 e),
+
+    map<double, string> derived2_function4(
+        1:string function4_arg1) throws(1:test_exception2 e),
+
+    map<test_enum1, test_enum2> derived2_function5(
+        1:bool function5_arg1) throws(1:test_exception2 e),
+
+    map<test_struct1, test_struct2> derived2_function6(
+        1:bool function6_arg1) throws(1:test_exception2 e),
+    
+}
diff --git a/test/audit/break21.thrift b/test/audit/break21.thrift
new file mode 100644
index 0000000..f7da400
--- /dev/null
+++ b/test/audit/break21.thrift
@@ -0,0 +1,190 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+//break21- last enum value removed from enum2
+
+namespace cpp test
+
+//Constants
+const i32 const1 = 123;
+const double const2 = 23.3;
+const map<string,string> const3 = {"hello":"world", "thrift":"audit"};
+
+
+//Exception
+exception test_exception1 {
+    1: i32 code;
+    2: string json;
+}
+exception test_exception2 {
+    1: i32 code;
+    2: string json;
+}
+
+//Enums
+
+enum test_enum1 {
+    enum1_value0 = 0,
+    enum1_value1 = 1,
+    enum1_value2 = 2,
+    enum1_value5 = 5,
+    enum1_value7 = 7,
+    enum1_value8 = 8
+}
+
+enum test_enum2 {
+    enum2_value0 = 0,
+    enum2_value1 = 1,
+    enum2_value2 = 2,
+}
+
+enum test_enum3 {
+    enum3_value1 = 0,
+    enum3_value2 = 1
+}
+
+struct test_struct1 {
+    1: i16 struct1_member1,
+    2: i32 struct1_member2,
+    3: i64 struct1_member3,
+    4: double struct1_member4 = 2.5,
+    5: string struct1_member5 = "Audit test",
+    6: bool struct1_member6,
+    7: byte struct1_member7,
+    8: binary struct1_member8,
+    9: test_enum1 struct1_member9
+}
+
+struct test_struct2 {
+    1: list<i16> struct2_member1,
+    2: list<i32> struct2_member2,
+    3: list<i64> struct2_member3 = [23, 32 ],
+    4: list<double> struct2_member4,
+    5: list<string> struct2_member5,
+    6: list<bool> struct2_member6,
+    7: list<byte> struct2_member7,
+    8: list<binary> struct2_member8,
+    9: list<test_enum1> struct2_member9
+}
+
+struct test_struct3 {
+    1: map<i16, i32> struct3_member1 = {1:2, 3:4},
+    2: map<i64, double> struct3_member2 = {10:1.1, 20:2.1},
+    3: map<string, bool> struct3_member3,
+    4: map<byte, test_enum1> struct3_member4,
+    5: map<test_enum2, test_enum3 > struct3_member5,
+    7: map<double, string> struct3_member7
+}
+
+struct test_struct4 {
+    1: i32 struct4_member1,
+    2: optional i32 struct4_member2
+}
+
+struct test_struct5{
+    1: double struct5_member1,
+    2: string struct5_member2 = "Thrift Audit Test"
+}
+struct test_struct6 {
+    1: i32 struct6_member1,
+    2: required i32 struct6_member2
+}
+
+service base {
+    oneway void base_oneway(
+        1: i32 arg1),
+
+    void base_function1(
+        1: i16 function1_arg1,
+        2: i32 function1_arg2,
+        3: i64 function1_arg3,
+        4: double function1_arg4,
+        5: string function1_arg5,
+        6: bool function1_arg6,
+        7: test_enum1 function1_arg7,
+        8: test_struct1 function1_arg8),
+
+    void base_function2(
+        1: list<i16> function2_arg1,
+        2: list<i32> function2_arg2,
+        3: list<i64> function2_arg3,
+        4: list<double> function2_arg4,
+        5: list<string> function2_arg5,
+        6: list<bool> function2_arg6,
+        7: list<byte> function2_arg7,
+        8: list<test_enum1> function2_arg8,
+        9: list<test_struct1> function2_arg9) throws (1:test_exception2 e),
+
+    void base_function3(),
+
+}
+
+service derived1 extends base {
+    
+    test_enum1 derived1_function1(
+        1: i64 function1_arg1,
+        2: double function1_arg2,
+        3: test_enum1 function1_arg3) throws (1:test_exception2 e),
+
+    i64 derived1_function2(
+        1: list<i64> function2_arg1,
+        2: list<double> function2_arg2,
+        3: list<string> function2_arg3,
+        4: list<byte> function2_arg4,
+        5: list<test_enum1> function2_arg5) throws (1:test_exception2 e),
+
+    double derived1_function3(
+        1: string function3_arg1,
+        2: bool function3_arg2) throws (1:test_exception2 e),
+
+    string derived1_function4(
+        1: string function4_arg1,
+        2: bool function4_arg2) throws (1:test_exception2 e),
+
+
+    bool derived1_function5(
+        1: map<i64, double> function5_arg1,
+        2: map<string, bool> function5_arg2,
+        3: map<test_enum1, test_enum2> function5_arg3) throws (1:test_exception2 e),
+
+    test_struct1 derived1_function6(
+        1: double function6_arg1) throws (1:test_exception2 e),
+}
+
+service derived2 extends base {
+
+    list<i32> derived2_function1(
+        1: i32 function1_arg1) throws (1:test_exception2 e),
+    
+    list<test_enum1> derived2_function2(
+        1:i64 function2_arg2) throws (1:test_exception2 e),
+
+    list<test_struct1> derived2_function3(
+        1:double function3_arg1) throws(1:test_exception2 e),
+
+    map<double, string> derived2_function4(
+        1:string function4_arg1) throws(1:test_exception2 e),
+
+    map<test_enum1, test_enum2> derived2_function5(
+        1:bool function5_arg1) throws(1:test_exception2 e),
+
+    map<test_struct1, test_struct2> derived2_function6(
+        1:bool function6_arg1) throws(1:test_exception2 e),
+    
+}
diff --git a/test/audit/break22.thrift b/test/audit/break22.thrift
new file mode 100644
index 0000000..3808349
--- /dev/null
+++ b/test/audit/break22.thrift
@@ -0,0 +1,190 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+//break22 - in-between enum value removed from enum1
+
+namespace cpp test
+
+//Constants
+const i32 const1 = 123;
+const double const2 = 23.3;
+const map<string,string> const3 = {"hello":"world", "thrift":"audit"};
+
+
+//Exception
+exception test_exception1 {
+    1: i32 code;
+    2: string json;
+}
+exception test_exception2 {
+    1: i32 code;
+    2: string json;
+}
+
+//Enums
+
+enum test_enum1 {
+    enum1_value0 = 0,
+    enum1_value1 = 1,
+    enum1_value5 = 5,
+    enum1_value7 = 7,
+    enum1_value8 = 8
+}
+
+enum test_enum2 {
+    enum2_value0 = 0,
+    enum2_value1 = 1,
+    enum2_value2 = 2,
+    enum2_value3 = 3
+}
+
+enum test_enum3 {
+    enum3_value1 = 0,
+    enum3_value2 = 1
+}
+
+struct test_struct1 {
+    1: i16 struct1_member1,
+    2: i32 struct1_member2,
+    3: i64 struct1_member3,
+    4: double struct1_member4 = 2.5,
+    5: string struct1_member5 = "Audit test",
+    6: bool struct1_member6,
+    7: byte struct1_member7,
+    8: binary struct1_member8,
+    9: test_enum1 struct1_member9
+}
+
+struct test_struct2 {
+    1: list<i16> struct2_member1,
+    2: list<i32> struct2_member2,
+    3: list<i64> struct2_member3 = [23, 32 ],
+    4: list<double> struct2_member4,
+    5: list<string> struct2_member5,
+    6: list<bool> struct2_member6,
+    7: list<byte> struct2_member7,
+    8: list<binary> struct2_member8,
+    9: list<test_enum1> struct2_member9
+}
+
+struct test_struct3 {
+    1: map<i16, i32> struct3_member1 = {1:2, 3:4},
+    2: map<i64, double> struct3_member2 = {10:1.1, 20:2.1},
+    3: map<string, bool> struct3_member3,
+    4: map<byte, test_enum1> struct3_member4,
+    5: map<test_enum2, test_enum3 > struct3_member5,
+    7: map<double, string> struct3_member7
+}
+
+struct test_struct4 {
+    1: i32 struct4_member1,
+    2: optional i32 struct4_member2
+}
+
+struct test_struct5{
+    1: double struct5_member1,
+    2: string struct5_member2 = "Thrift Audit Test"
+}
+struct test_struct6 {
+    1: i32 struct6_member1,
+    2: required i32 struct6_member2
+}
+
+service base {
+    oneway void base_oneway(
+        1: i32 arg1),
+
+    void base_function1(
+        1: i16 function1_arg1,
+        2: i32 function1_arg2,
+        3: i64 function1_arg3,
+        4: double function1_arg4,
+        5: string function1_arg5,
+        6: bool function1_arg6,
+        7: test_enum1 function1_arg7,
+        8: test_struct1 function1_arg8),
+
+    void base_function2(
+        1: list<i16> function2_arg1,
+        2: list<i32> function2_arg2,
+        3: list<i64> function2_arg3,
+        4: list<double> function2_arg4,
+        5: list<string> function2_arg5,
+        6: list<bool> function2_arg6,
+        7: list<byte> function2_arg7,
+        8: list<test_enum1> function2_arg8,
+        9: list<test_struct1> function2_arg9) throws (1:test_exception2 e),
+
+    void base_function3(),
+
+}
+
+service derived1 extends base {
+    
+    test_enum1 derived1_function1(
+        1: i64 function1_arg1,
+        2: double function1_arg2,
+        3: test_enum1 function1_arg3) throws (1:test_exception2 e),
+
+    i64 derived1_function2(
+        1: list<i64> function2_arg1,
+        2: list<double> function2_arg2,
+        3: list<string> function2_arg3,
+        4: list<byte> function2_arg4,
+        5: list<test_enum1> function2_arg5) throws (1:test_exception2 e),
+
+    double derived1_function3(
+        1: string function3_arg1,
+        2: bool function3_arg2) throws (1:test_exception2 e),
+
+    string derived1_function4(
+        1: string function4_arg1,
+        2: bool function4_arg2) throws (1:test_exception2 e),
+
+
+    bool derived1_function5(
+        1: map<i64, double> function5_arg1,
+        2: map<string, bool> function5_arg2,
+        3: map<test_enum1, test_enum2> function5_arg3) throws (1:test_exception2 e),
+
+    test_struct1 derived1_function6(
+        1: double function6_arg1) throws (1:test_exception2 e),
+}
+
+service derived2 extends base {
+
+    list<i32> derived2_function1(
+        1: i32 function1_arg1) throws (1:test_exception2 e),
+    
+    list<test_enum1> derived2_function2(
+        1:i64 function2_arg2) throws (1:test_exception2 e),
+
+    list<test_struct1> derived2_function3(
+        1:double function3_arg1) throws(1:test_exception2 e),
+
+    map<double, string> derived2_function4(
+        1:string function4_arg1) throws(1:test_exception2 e),
+
+    map<test_enum1, test_enum2> derived2_function5(
+        1:bool function5_arg1) throws(1:test_exception2 e),
+
+    map<test_struct1, test_struct2> derived2_function6(
+        1:bool function6_arg1) throws(1:test_exception2 e),
+    
+}
diff --git a/test/audit/break23.thrift b/test/audit/break23.thrift
new file mode 100644
index 0000000..ff95a42
--- /dev/null
+++ b/test/audit/break23.thrift
@@ -0,0 +1,192 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+//break23 - required struct field added to struct4
+
+namespace cpp test
+
+//Constants
+const i32 const1 = 123;
+const double const2 = 23.3;
+const map<string,string> const3 = {"hello":"world", "thrift":"audit"};
+
+
+//Exception
+exception test_exception1 {
+    1: i32 code;
+    2: string json;
+}
+exception test_exception2 {
+    1: i32 code;
+    2: string json;
+}
+
+//Enums
+
+enum test_enum1 {
+    enum1_value0 = 0,
+    enum1_value1 = 1,
+    enum1_value2 = 2,
+    enum1_value5 = 5,
+    enum1_value7 = 7,
+    enum1_value8 = 8
+}
+
+enum test_enum2 {
+    enum2_value0 = 0,
+    enum2_value1 = 1,
+    enum2_value2 = 2,
+    enum2_value3 = 3
+}
+
+enum test_enum3 {
+    enum3_value1 = 0,
+    enum3_value2 = 1
+}
+
+struct test_struct1 {
+    1: i16 struct1_member1,
+    2: i32 struct1_member2,
+    3: i64 struct1_member3,
+    4: double struct1_member4 = 2.5,
+    5: string struct1_member5 = "Audit test",
+    6: bool struct1_member6,
+    7: byte struct1_member7,
+    8: binary struct1_member8,
+    9: test_enum1 struct1_member9
+}
+
+struct test_struct2 {
+    1: list<i16> struct2_member1,
+    2: list<i32> struct2_member2,
+    3: list<i64> struct2_member3 = [23, 32 ],
+    4: list<double> struct2_member4,
+    5: list<string> struct2_member5,
+    6: list<bool> struct2_member6,
+    7: list<byte> struct2_member7,
+    8: list<binary> struct2_member8,
+    9: list<test_enum1> struct2_member9
+}
+
+struct test_struct3 {
+    1: map<i16, i32> struct3_member1 = {1:2, 3:4},
+    2: map<i64, double> struct3_member2 = {10:1.1, 20:2.1},
+    3: map<string, bool> struct3_member3,
+    4: map<byte, test_enum1> struct3_member4,
+    5: map<test_enum2, test_enum3 > struct3_member5,
+    7: map<double, string> struct3_member7
+}
+
+struct test_struct4 {
+    1: i32 struct4_member1,
+    2: optional i32 struct4_member2,
+    3: required i64 struct4_member3
+}
+
+struct test_struct5{
+    1: double struct5_member1,
+    2: string struct5_member2 = "Thrift Audit Test"
+}
+struct test_struct6 {
+    1: i32 struct6_member1,
+    2: required i32 struct6_member2
+}
+
+service base {
+    oneway void base_oneway(
+        1: i32 arg1),
+
+    void base_function1(
+        1: i16 function1_arg1,
+        2: i32 function1_arg2,
+        3: i64 function1_arg3,
+        4: double function1_arg4,
+        5: string function1_arg5,
+        6: bool function1_arg6,
+        7: test_enum1 function1_arg7,
+        8: test_struct1 function1_arg8),
+
+    void base_function2(
+        1: list<i16> function2_arg1,
+        2: list<i32> function2_arg2,
+        3: list<i64> function2_arg3,
+        4: list<double> function2_arg4,
+        5: list<string> function2_arg5,
+        6: list<bool> function2_arg6,
+        7: list<byte> function2_arg7,
+        8: list<test_enum1> function2_arg8,
+        9: list<test_struct1> function2_arg9) throws (1:test_exception2 e),
+
+    void base_function3(),
+
+}
+
+service derived1 extends base {
+    
+    test_enum1 derived1_function1(
+        1: i64 function1_arg1,
+        2: double function1_arg2,
+        3: test_enum1 function1_arg3) throws (1:test_exception2 e),
+
+    i64 derived1_function2(
+        1: list<i64> function2_arg1,
+        2: list<double> function2_arg2,
+        3: list<string> function2_arg3,
+        4: list<byte> function2_arg4,
+        5: list<test_enum1> function2_arg5) throws (1:test_exception2 e),
+
+    double derived1_function3(
+        1: string function3_arg1,
+        2: bool function3_arg2) throws (1:test_exception2 e),
+
+    string derived1_function4(
+        1: string function4_arg1,
+        2: bool function4_arg2) throws (1:test_exception2 e),
+
+
+    bool derived1_function5(
+        1: map<i64, double> function5_arg1,
+        2: map<string, bool> function5_arg2,
+        3: map<test_enum1, test_enum2> function5_arg3) throws (1:test_exception2 e),
+
+    test_struct1 derived1_function6(
+        1: double function6_arg1) throws (1:test_exception2 e),
+}
+
+service derived2 extends base {
+
+    list<i32> derived2_function1(
+        1: i32 function1_arg1) throws (1:test_exception2 e),
+    
+    list<test_enum1> derived2_function2(
+        1:i64 function2_arg2) throws (1:test_exception2 e),
+
+    list<test_struct1> derived2_function3(
+        1:double function3_arg1) throws(1:test_exception2 e),
+
+    map<double, string> derived2_function4(
+        1:string function4_arg1) throws(1:test_exception2 e),
+
+    map<test_enum1, test_enum2> derived2_function5(
+        1:bool function5_arg1) throws(1:test_exception2 e),
+
+    map<test_struct1, test_struct2> derived2_function6(
+        1:bool function6_arg1) throws(1:test_exception2 e),
+    
+}
diff --git a/test/audit/break24.thrift b/test/audit/break24.thrift
new file mode 100644
index 0000000..bb4d5b9
--- /dev/null
+++ b/test/audit/break24.thrift
@@ -0,0 +1,191 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+//break24 - removed inheritance from derived1.
+
+namespace cpp test
+
+//Constants
+const i32 const1 = 123;
+const double const2 = 23.3;
+const map<string,string> const3 = {"hello":"world", "thrift":"audit"};
+
+
+//Exception
+exception test_exception1 {
+    1: i32 code;
+    2: string json;
+}
+exception test_exception2 {
+    1: i32 code;
+    2: string json;
+}
+
+//Enums
+
+enum test_enum1 {
+    enum1_value0 = 0,
+    enum1_value1 = 1,
+    enum1_value2 = 2,
+    enum1_value5 = 5,
+    enum1_value7 = 7,
+    enum1_value8 = 8
+}
+
+enum test_enum2 {
+    enum2_value0 = 0,
+    enum2_value1 = 1,
+    enum2_value2 = 2,
+    enum2_value3 = 3
+}
+
+enum test_enum3 {
+    enum3_value1 = 0,
+    enum3_value2 = 1
+}
+
+struct test_struct1 {
+    1: i16 struct1_member1,
+    2: i32 struct1_member2,
+    3: i64 struct1_member3,
+    4: double struct1_member4 = 2.5,
+    5: string struct1_member5 = "Audit test",
+    6: bool struct1_member6,
+    7: byte struct1_member7,
+    8: binary struct1_member8,
+    9: test_enum1 struct1_member9
+}
+
+struct test_struct2 {
+    1: list<i16> struct2_member1,
+    2: list<i32> struct2_member2,
+    3: list<i64> struct2_member3 = [23, 32 ],
+    4: list<double> struct2_member4,
+    5: list<string> struct2_member5,
+    6: list<bool> struct2_member6,
+    7: list<byte> struct2_member7,
+    8: list<binary> struct2_member8,
+    9: list<test_enum1> struct2_member9
+}
+
+struct test_struct3 {
+    1: map<i16, i32> struct3_member1 = {1:2, 3:4},
+    2: map<i64, double> struct3_member2 = {10:1.1, 20:2.1},
+    3: map<string, bool> struct3_member3,
+    4: map<byte, test_enum1> struct3_member4,
+    5: map<test_enum2, test_enum3 > struct3_member5,
+    7: map<double, string> struct3_member7
+}
+
+struct test_struct4 {
+    1: i32 struct4_member1,
+    2: optional i32 struct4_member2
+}
+
+struct test_struct5{
+    1: double struct5_member1,
+    2: string struct5_member2 = "Thrift Audit Test"
+}
+struct test_struct6 {
+    1: i32 struct6_member1,
+    2: required i32 struct6_member2
+}
+
+service base {
+    oneway void base_oneway(
+        1: i32 arg1),
+
+    void base_function1(
+        1: i16 function1_arg1,
+        2: i32 function1_arg2,
+        3: i64 function1_arg3,
+        4: double function1_arg4,
+        5: string function1_arg5,
+        6: bool function1_arg6,
+        7: test_enum1 function1_arg7,
+        8: test_struct1 function1_arg8),
+
+    void base_function2(
+        1: list<i16> function2_arg1,
+        2: list<i32> function2_arg2,
+        3: list<i64> function2_arg3,
+        4: list<double> function2_arg4,
+        5: list<string> function2_arg5,
+        6: list<bool> function2_arg6,
+        7: list<byte> function2_arg7,
+        8: list<test_enum1> function2_arg8,
+        9: list<test_struct1> function2_arg9) throws (1:test_exception2 e),
+
+    void base_function3(),
+
+}
+
+service derived1 {
+    
+    test_enum1 derived1_function1(
+        1: i64 function1_arg1,
+        2: double function1_arg2,
+        3: test_enum1 function1_arg3) throws (1:test_exception2 e),
+
+    i64 derived1_function2(
+        1: list<i64> function2_arg1,
+        2: list<double> function2_arg2,
+        3: list<string> function2_arg3,
+        4: list<byte> function2_arg4,
+        5: list<test_enum1> function2_arg5) throws (1:test_exception2 e),
+
+    double derived1_function3(
+        1: string function3_arg1,
+        2: bool function3_arg2) throws (1:test_exception2 e),
+
+    string derived1_function4(
+        1: string function4_arg1,
+        2: bool function4_arg2) throws (1:test_exception2 e),
+
+
+    bool derived1_function5(
+        1: map<i64, double> function5_arg1,
+        2: map<string, bool> function5_arg2,
+        3: map<test_enum1, test_enum2> function5_arg3) throws (1:test_exception2 e),
+
+    test_struct1 derived1_function6(
+        1: double function6_arg1) throws (1:test_exception2 e),
+}
+
+service derived2 extends base {
+
+    list<i32> derived2_function1(
+        1: i32 function1_arg1) throws (1:test_exception2 e),
+    
+    list<test_enum1> derived2_function2(
+        1:i64 function2_arg2) throws (1:test_exception2 e),
+
+    list<test_struct1> derived2_function3(
+        1:double function3_arg1) throws(1:test_exception2 e),
+
+    map<double, string> derived2_function4(
+        1:string function4_arg1) throws(1:test_exception2 e),
+
+    map<test_enum1, test_enum2> derived2_function5(
+        1:bool function5_arg1) throws(1:test_exception2 e),
+
+    map<test_struct1, test_struct2> derived2_function6(
+        1:bool function6_arg1) throws(1:test_exception2 e),
+    
+}
diff --git a/test/audit/break25.thrift b/test/audit/break25.thrift
new file mode 100644
index 0000000..6efe97e
--- /dev/null
+++ b/test/audit/break25.thrift
@@ -0,0 +1,191 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+//Changed inheritance of derived2
+
+namespace cpp test
+
+//Constants
+const i32 const1 = 123;
+const double const2 = 23.3;
+const map<string,string> const3 = {"hello":"world", "thrift":"audit"};
+
+
+//Exception
+exception test_exception1 {
+    1: i32 code;
+    2: string json;
+}
+exception test_exception2 {
+    1: i32 code;
+    2: string json;
+}
+
+//Enums
+
+enum test_enum1 {
+    enum1_value0 = 0,
+    enum1_value1 = 1,
+    enum1_value2 = 2,
+    enum1_value5 = 5,
+    enum1_value7 = 7,
+    enum1_value8 = 8
+}
+
+enum test_enum2 {
+    enum2_value0 = 0,
+    enum2_value1 = 1,
+    enum2_value2 = 2,
+    enum2_value3 = 3
+}
+
+enum test_enum3 {
+    enum3_value1 = 0,
+    enum3_value2 = 1
+}
+
+struct test_struct1 {
+    1: i16 struct1_member1,
+    2: i32 struct1_member2,
+    3: i64 struct1_member3,
+    4: double struct1_member4 = 2.5,
+    5: string struct1_member5 = "Audit test",
+    6: bool struct1_member6,
+    7: byte struct1_member7,
+    8: binary struct1_member8,
+    9: test_enum1 struct1_member9
+}
+
+struct test_struct2 {
+    1: list<i16> struct2_member1,
+    2: list<i32> struct2_member2,
+    3: list<i64> struct2_member3 = [23, 32 ],
+    4: list<double> struct2_member4,
+    5: list<string> struct2_member5,
+    6: list<bool> struct2_member6,
+    7: list<byte> struct2_member7,
+    8: list<binary> struct2_member8,
+    9: list<test_enum1> struct2_member9
+}
+
+struct test_struct3 {
+    1: map<i16, i32> struct3_member1 = {1:2, 3:4},
+    2: map<i64, double> struct3_member2 = {10:1.1, 20:2.1},
+    3: map<string, bool> struct3_member3,
+    4: map<byte, test_enum1> struct3_member4,
+    5: map<test_enum2, test_enum3 > struct3_member5,
+    7: map<double, string> struct3_member7
+}
+
+struct test_struct4 {
+    1: i32 struct4_member1,
+    2: optional i32 struct4_member2
+}
+
+struct test_struct5{
+    1: double struct5_member1,
+    2: string struct5_member2 = "Thrift Audit Test"
+}
+struct test_struct6 {
+    1: i32 struct6_member1,
+    2: required i32 struct6_member2
+}
+
+service base {
+    oneway void base_oneway(
+        1: i32 arg1),
+
+    void base_function1(
+        1: i16 function1_arg1,
+        2: i32 function1_arg2,
+        3: i64 function1_arg3,
+        4: double function1_arg4,
+        5: string function1_arg5,
+        6: bool function1_arg6,
+        7: test_enum1 function1_arg7,
+        8: test_struct1 function1_arg8),
+
+    void base_function2(
+        1: list<i16> function2_arg1,
+        2: list<i32> function2_arg2,
+        3: list<i64> function2_arg3,
+        4: list<double> function2_arg4,
+        5: list<string> function2_arg5,
+        6: list<bool> function2_arg6,
+        7: list<byte> function2_arg7,
+        8: list<test_enum1> function2_arg8,
+        9: list<test_struct1> function2_arg9) throws (1:test_exception2 e),
+
+    void base_function3(),
+
+}
+
+service derived1 extends base {
+    
+    test_enum1 derived1_function1(
+        1: i64 function1_arg1,
+        2: double function1_arg2,
+        3: test_enum1 function1_arg3) throws (1:test_exception2 e),
+
+    i64 derived1_function2(
+        1: list<i64> function2_arg1,
+        2: list<double> function2_arg2,
+        3: list<string> function2_arg3,
+        4: list<byte> function2_arg4,
+        5: list<test_enum1> function2_arg5) throws (1:test_exception2 e),
+
+    double derived1_function3(
+        1: string function3_arg1,
+        2: bool function3_arg2) throws (1:test_exception2 e),
+
+    string derived1_function4(
+        1: string function4_arg1,
+        2: bool function4_arg2) throws (1:test_exception2 e),
+
+
+    bool derived1_function5(
+        1: map<i64, double> function5_arg1,
+        2: map<string, bool> function5_arg2,
+        3: map<test_enum1, test_enum2> function5_arg3) throws (1:test_exception2 e),
+
+    test_struct1 derived1_function6(
+        1: double function6_arg1) throws (1:test_exception2 e),
+}
+
+service derived2 extends derived1 {
+
+    list<i32> derived2_function1(
+        1: i32 function1_arg1) throws (1:test_exception2 e),
+    
+    list<test_enum1> derived2_function2(
+        1:i64 function2_arg2) throws (1:test_exception2 e),
+
+    list<test_struct1> derived2_function3(
+        1:double function3_arg1) throws(1:test_exception2 e),
+
+    map<double, string> derived2_function4(
+        1:string function4_arg1) throws(1:test_exception2 e),
+
+    map<test_enum1, test_enum2> derived2_function5(
+        1:bool function5_arg1) throws(1:test_exception2 e),
+
+    map<test_struct1, test_struct2> derived2_function6(
+        1:bool function6_arg1) throws(1:test_exception2 e),
+    
+}
diff --git a/test/audit/break26.thrift b/test/audit/break26.thrift
new file mode 100644
index 0000000..6576d9b
--- /dev/null
+++ b/test/audit/break26.thrift
@@ -0,0 +1,191 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+//break26 - Field type changed in base_function1 argument id=3
+namespace cpp test
+
+//Constants
+const i32 const1 = 123;
+const double const2 = 23.3;
+const map<string,string> const3 = {"hello":"world", "thrift":"audit"};
+
+
+//Exception
+exception test_exception1 {
+    1: i32 code;
+    2: string json;
+}
+exception test_exception2 {
+    1: i32 code;
+    2: string json;
+}
+
+//Enums
+
+enum test_enum1 {
+    enum1_value0 = 0,
+    enum1_value1 = 1,
+    enum1_value2 = 2,
+    enum1_value5 = 5,
+    enum1_value7 = 7,
+    enum1_value8 = 8
+}
+
+enum test_enum2 {
+    enum2_value0 = 0,
+    enum2_value1 = 1,
+    enum2_value2 = 2,
+    enum2_value3 = 3
+}
+
+enum test_enum3 {
+    enum3_value1 = 0,
+    enum3_value2 = 1
+}
+
+struct test_struct1 {
+    1: i16 struct1_member1,
+    2: i32 struct1_member2,
+    3: i64 struct1_member3,
+    4: double struct1_member4 = 2.5,
+    5: string struct1_member5 = "Audit test",
+    6: bool struct1_member6,
+    7: byte struct1_member7,
+    8: binary struct1_member8,
+    9: test_enum1 struct1_member9
+}
+
+struct test_struct2 {
+    1: list<i16> struct2_member1,
+    2: list<i32> struct2_member2,
+    3: list<i64> struct2_member3 = [23, 32 ],
+    4: list<double> struct2_member4,
+    5: list<string> struct2_member5,
+    6: list<bool> struct2_member6,
+    7: list<byte> struct2_member7,
+    8: list<binary> struct2_member8,
+    9: list<test_enum1> struct2_member9
+}
+
+struct test_struct3 {
+    1: map<i16, i32> struct3_member1 = {1:2, 3:4},
+    2: map<i64, double> struct3_member2 = {10:1.1, 20:2.1},
+    3: map<string, bool> struct3_member3,
+    4: map<byte, test_enum1> struct3_member4,
+    5: map<test_enum2, test_enum3 > struct3_member5,
+    7: map<double, string> struct3_member7
+}
+
+struct test_struct4 {
+    1: i32 struct4_member1,
+    2: optional i32 struct4_member2
+}
+
+struct test_struct5{
+    1: double struct5_member1,
+    2: string struct5_member2 = "Thrift Audit Test"
+}
+struct test_struct6 {
+    1: i32 struct6_member1,
+    2: required i32 struct6_member2
+}
+
+service base {
+    oneway void base_oneway(
+        1: i32 arg1),
+
+    void base_function1(
+        1: i16 function1_arg1,
+        2: i32 function1_arg2,
+        3: double function1_arg3,
+        4: double function1_arg4,
+        5: string function1_arg5,
+        6: bool function1_arg6,
+        7: test_enum1 function1_arg7,
+        8: test_struct1 function1_arg8),
+
+    void base_function2(
+        1: list<i16> function2_arg1,
+        2: list<i32> function2_arg2,
+        3: list<i64> function2_arg3,
+        4: list<double> function2_arg4,
+        5: list<string> function2_arg5,
+        6: list<bool> function2_arg6,
+        7: list<byte> function2_arg7,
+        8: list<test_enum1> function2_arg8,
+        9: list<test_struct1> function2_arg9) throws (1:test_exception2 e),
+
+    void base_function3(),
+
+}
+
+service derived1 extends base {
+    
+    test_enum1 derived1_function1(
+        1: i64 function1_arg1,
+        2: double function1_arg2,
+        3: test_enum1 function1_arg3) throws (1:test_exception2 e),
+
+    i64 derived1_function2(
+        1: list<i64> function2_arg1,
+        2: list<double> function2_arg2,
+        3: list<string> function2_arg3,
+        4: list<byte> function2_arg4,
+        5: list<test_enum1> function2_arg5) throws (1:test_exception2 e),
+
+    double derived1_function3(
+        1: string function3_arg1,
+        2: bool function3_arg2) throws (1:test_exception2 e),
+
+    string derived1_function4(
+        1: string function4_arg1,
+        2: bool function4_arg2) throws (1:test_exception2 e),
+
+
+    bool derived1_function5(
+        1: map<i64, double> function5_arg1,
+        2: map<string, bool> function5_arg2,
+        3: map<test_enum1, test_enum2> function5_arg3) throws (1:test_exception2 e),
+
+    test_struct1 derived1_function6(
+        1: double function6_arg1) throws (1:test_exception2 e),
+}
+
+service derived2 extends base {
+
+    list<i32> derived2_function1(
+        1: i32 function1_arg1) throws (1:test_exception2 e),
+    
+    list<test_enum1> derived2_function2(
+        1:i64 function2_arg2) throws (1:test_exception2 e),
+
+    list<test_struct1> derived2_function3(
+        1:double function3_arg1) throws(1:test_exception2 e),
+
+    map<double, string> derived2_function4(
+        1:string function4_arg1) throws(1:test_exception2 e),
+
+    map<test_enum1, test_enum2> derived2_function5(
+        1:bool function5_arg1) throws(1:test_exception2 e),
+
+    map<test_struct1, test_struct2> derived2_function6(
+        1:bool function6_arg1) throws(1:test_exception2 e),
+    
+}
+
diff --git a/test/audit/break27.thrift b/test/audit/break27.thrift
new file mode 100644
index 0000000..b556706
--- /dev/null
+++ b/test/audit/break27.thrift
@@ -0,0 +1,190 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// break27 - argument changed base_function2 list<enum1> to list<enum3> id =8
+namespace cpp test
+
+//Constants
+const i32 const1 = 123;
+const double const2 = 23.3;
+const map<string,string> const3 = {"hello":"world", "thrift":"audit"};
+
+
+//Exception
+exception test_exception1 {
+    1: i32 code;
+    2: string json;
+}
+exception test_exception2 {
+    1: i32 code;
+    2: string json;
+}
+
+//Enums
+
+enum test_enum1 {
+    enum1_value0 = 0,
+    enum1_value1 = 1,
+    enum1_value2 = 2,
+    enum1_value5 = 5,
+    enum1_value7 = 7,
+    enum1_value8 = 8
+}
+
+enum test_enum2 {
+    enum2_value0 = 0,
+    enum2_value1 = 1,
+    enum2_value2 = 2,
+    enum2_value3 = 3
+}
+
+enum test_enum3 {
+    enum3_value1 = 0,
+    enum3_value2 = 1
+}
+
+struct test_struct1 {
+    1: i16 struct1_member1,
+    2: i32 struct1_member2,
+    3: i64 struct1_member3,
+    4: double struct1_member4 = 2.5,
+    5: string struct1_member5 = "Audit test",
+    6: bool struct1_member6,
+    7: byte struct1_member7,
+    8: binary struct1_member8,
+    9: test_enum1 struct1_member9
+}
+
+struct test_struct2 {
+    1: list<i16> struct2_member1,
+    2: list<i32> struct2_member2,
+    3: list<i64> struct2_member3 = [23, 32 ],
+    4: list<double> struct2_member4,
+    5: list<string> struct2_member5,
+    6: list<bool> struct2_member6,
+    7: list<byte> struct2_member7,
+    8: list<binary> struct2_member8,
+    9: list<test_enum1> struct2_member9
+}
+
+struct test_struct3 {
+    1: map<i16, i32> struct3_member1 = {1:2, 3:4},
+    2: map<i64, double> struct3_member2 = {10:1.1, 20:2.1},
+    3: map<string, bool> struct3_member3,
+    4: map<byte, test_enum1> struct3_member4,
+    5: map<test_enum2, test_enum3 > struct3_member5,
+    7: map<double, string> struct3_member7
+}
+
+struct test_struct4 {
+    1: i32 struct4_member1,
+    2: optional i32 struct4_member2
+}
+
+struct test_struct5{
+    1: double struct5_member1,
+    2: string struct5_member2 = "Thrift Audit Test"
+}
+struct test_struct6 {
+    1: i32 struct6_member1,
+    2: required i32 struct6_member2
+}
+
+service base {
+    oneway void base_oneway(
+        1: i32 arg1),
+
+    void base_function1(
+        1: i16 function1_arg1,
+        2: i32 function1_arg2,
+        3: i64 function1_arg3,
+        4: double function1_arg4,
+        5: string function1_arg5,
+        6: bool function1_arg6,
+        7: test_enum1 function1_arg7,
+        8: test_struct1 function1_arg8),
+
+    void base_function2(
+        1: list<i16> function2_arg1,
+        2: list<i32> function2_arg2,
+        3: list<i64> function2_arg3,
+        4: list<double> function2_arg4,
+        5: list<string> function2_arg5,
+        6: list<bool> function2_arg6,
+        7: list<byte> function2_arg7,
+        8: list<test_enum3> function2_arg8,
+        9: list<test_struct1> function2_arg9) throws (1:test_exception2 e),
+
+    void base_function3(),
+
+}
+
+service derived1 extends base {
+    
+    test_enum1 derived1_function1(
+        1: i64 function1_arg1,
+        2: double function1_arg2,
+        3: test_enum1 function1_arg3) throws (1:test_exception2 e),
+
+    i64 derived1_function2(
+        1: list<i64> function2_arg1,
+        2: list<double> function2_arg2,
+        3: list<string> function2_arg3,
+        4: list<byte> function2_arg4,
+        5: list<test_enum1> function2_arg5) throws (1:test_exception2 e),
+
+    double derived1_function3(
+        1: string function3_arg1,
+        2: bool function3_arg2) throws (1:test_exception2 e),
+
+    string derived1_function4(
+        1: string function4_arg1,
+        2: bool function4_arg2) throws (1:test_exception2 e),
+
+
+    bool derived1_function5(
+        1: map<i64, double> function5_arg1,
+        2: map<string, bool> function5_arg2,
+        3: map<test_enum1, test_enum2> function5_arg3) throws (1:test_exception2 e),
+
+    test_struct1 derived1_function6(
+        1: double function6_arg1) throws (1:test_exception2 e),
+}
+
+service derived2 extends base {
+
+    list<i32> derived2_function1(
+        1: i32 function1_arg1) throws (1:test_exception2 e),
+    
+    list<test_enum1> derived2_function2(
+        1:i64 function2_arg2) throws (1:test_exception2 e),
+
+    list<test_struct1> derived2_function3(
+        1:double function3_arg1) throws(1:test_exception2 e),
+
+    map<double, string> derived2_function4(
+        1:string function4_arg1) throws(1:test_exception2 e),
+
+    map<test_enum1, test_enum2> derived2_function5(
+        1:bool function5_arg1) throws(1:test_exception2 e),
+
+    map<test_struct1, test_struct2> derived2_function6(
+        1:bool function6_arg1) throws(1:test_exception2 e),
+    
+}
diff --git a/test/audit/break28.thrift b/test/audit/break28.thrift
new file mode 100644
index 0000000..c64e558
--- /dev/null
+++ b/test/audit/break28.thrift
@@ -0,0 +1,190 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+//break28- derived1_function5 arguement type changed map<i64, double> to list<i64>
+namespace cpp test
+
+//Constants
+const i32 const1 = 123;
+const double const2 = 23.3;
+const map<string,string> const3 = {"hello":"world", "thrift":"audit"};
+
+
+//Exception
+exception test_exception1 {
+    1: i32 code;
+    2: string json;
+}
+exception test_exception2 {
+    1: i32 code;
+    2: string json;
+}
+
+//Enums
+
+enum test_enum1 {
+    enum1_value0 = 0,
+    enum1_value1 = 1,
+    enum1_value2 = 2,
+    enum1_value5 = 5,
+    enum1_value7 = 7,
+    enum1_value8 = 8
+}
+
+enum test_enum2 {
+    enum2_value0 = 0,
+    enum2_value1 = 1,
+    enum2_value2 = 2,
+    enum2_value3 = 3
+}
+
+enum test_enum3 {
+    enum3_value1 = 0,
+    enum3_value2 = 1
+}
+
+struct test_struct1 {
+    1: i16 struct1_member1,
+    2: i32 struct1_member2,
+    3: i64 struct1_member3,
+    4: double struct1_member4 = 2.5,
+    5: string struct1_member5 = "Audit test",
+    6: bool struct1_member6,
+    7: byte struct1_member7,
+    8: binary struct1_member8,
+    9: test_enum1 struct1_member9
+}
+
+struct test_struct2 {
+    1: list<i16> struct2_member1,
+    2: list<i32> struct2_member2,
+    3: list<i64> struct2_member3 = [23, 32 ],
+    4: list<double> struct2_member4,
+    5: list<string> struct2_member5,
+    6: list<bool> struct2_member6,
+    7: list<byte> struct2_member7,
+    8: list<binary> struct2_member8,
+    9: list<test_enum1> struct2_member9
+}
+
+struct test_struct3 {
+    1: map<i16, i32> struct3_member1 = {1:2, 3:4},
+    2: map<i64, double> struct3_member2 = {10:1.1, 20:2.1},
+    3: map<string, bool> struct3_member3,
+    4: map<byte, test_enum1> struct3_member4,
+    5: map<test_enum2, test_enum3 > struct3_member5,
+    7: map<double, string> struct3_member7
+}
+
+struct test_struct4 {
+    1: i32 struct4_member1,
+    2: optional i32 struct4_member2
+}
+
+struct test_struct5{
+    1: double struct5_member1,
+    2: string struct5_member2 = "Thrift Audit Test"
+}
+struct test_struct6 {
+    1: i32 struct6_member1,
+    2: required i32 struct6_member2
+}
+
+service base {
+    oneway void base_oneway(
+        1: i32 arg1),
+
+    void base_function1(
+        1: i16 function1_arg1,
+        2: i32 function1_arg2,
+        3: i64 function1_arg3,
+        4: double function1_arg4,
+        5: string function1_arg5,
+        6: bool function1_arg6,
+        7: test_enum1 function1_arg7,
+        8: test_struct1 function1_arg8),
+
+    void base_function2(
+        1: list<i16> function2_arg1,
+        2: list<i32> function2_arg2,
+        3: list<i64> function2_arg3,
+        4: list<double> function2_arg4,
+        5: list<string> function2_arg5,
+        6: list<bool> function2_arg6,
+        7: list<byte> function2_arg7,
+        8: list<test_enum1> function2_arg8,
+        9: list<test_struct1> function2_arg9) throws (1:test_exception2 e),
+
+    void base_function3(),
+
+}
+
+service derived1 extends base {
+    
+    test_enum1 derived1_function1(
+        1: i64 function1_arg1,
+        2: double function1_arg2,
+        3: test_enum1 function1_arg3) throws (1:test_exception2 e),
+
+    i64 derived1_function2(
+        1: list<i64> function2_arg1,
+        2: list<double> function2_arg2,
+        3: list<string> function2_arg3,
+        4: list<byte> function2_arg4,
+        5: list<test_enum1> function2_arg5) throws (1:test_exception2 e),
+
+    double derived1_function3(
+        1: string function3_arg1,
+        2: bool function3_arg2) throws (1:test_exception2 e),
+
+    string derived1_function4(
+        1: string function4_arg1,
+        2: bool function4_arg2) throws (1:test_exception2 e),
+
+
+    bool derived1_function5(
+        1: list<i64> function5_arg1,
+        2: map<string, bool> function5_arg2,
+        3: map<test_enum1, test_enum2> function5_arg3) throws (1:test_exception2 e),
+
+    test_struct1 derived1_function6(
+        1: double function6_arg1) throws (1:test_exception2 e),
+}
+
+service derived2 extends base {
+
+    list<i32> derived2_function1(
+        1: i32 function1_arg1) throws (1:test_exception2 e),
+    
+    list<test_enum1> derived2_function2(
+        1:i64 function2_arg2) throws (1:test_exception2 e),
+
+    list<test_struct1> derived2_function3(
+        1:double function3_arg1) throws(1:test_exception2 e),
+
+    map<double, string> derived2_function4(
+        1:string function4_arg1) throws(1:test_exception2 e),
+
+    map<test_enum1, test_enum2> derived2_function5(
+        1:bool function5_arg1) throws(1:test_exception2 e),
+
+    map<test_struct1, test_struct2> derived2_function6(
+        1:bool function6_arg1) throws(1:test_exception2 e),
+    
+}
diff --git a/test/audit/break29.thrift b/test/audit/break29.thrift
new file mode 100644
index 0000000..52f3081
--- /dev/null
+++ b/test/audit/break29.thrift
@@ -0,0 +1,191 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+//break29 - base_function2 arguemnt type changed list<string> to string
+
+namespace cpp test
+
+//Constants
+const i32 const1 = 123;
+const double const2 = 23.3;
+const map<string,string> const3 = {"hello":"world", "thrift":"audit"};
+
+
+//Exception
+exception test_exception1 {
+    1: i32 code;
+    2: string json;
+}
+exception test_exception2 {
+    1: i32 code;
+    2: string json;
+}
+
+//Enums
+
+enum test_enum1 {
+    enum1_value0 = 0,
+    enum1_value1 = 1,
+    enum1_value2 = 2,
+    enum1_value5 = 5,
+    enum1_value7 = 7,
+    enum1_value8 = 8
+}
+
+enum test_enum2 {
+    enum2_value0 = 0,
+    enum2_value1 = 1,
+    enum2_value2 = 2,
+    enum2_value3 = 3
+}
+
+enum test_enum3 {
+    enum3_value1 = 0,
+    enum3_value2 = 1
+}
+
+struct test_struct1 {
+    1: i16 struct1_member1,
+    2: i32 struct1_member2,
+    3: i64 struct1_member3,
+    4: double struct1_member4 = 2.5,
+    5: string struct1_member5 = "Audit test",
+    6: bool struct1_member6,
+    7: byte struct1_member7,
+    8: binary struct1_member8,
+    9: test_enum1 struct1_member9
+}
+
+struct test_struct2 {
+    1: list<i16> struct2_member1,
+    2: list<i32> struct2_member2,
+    3: list<i64> struct2_member3 = [23, 32 ],
+    4: list<double> struct2_member4,
+    5: list<string> struct2_member5,
+    6: list<bool> struct2_member6,
+    7: list<byte> struct2_member7,
+    8: list<binary> struct2_member8,
+    9: list<test_enum1> struct2_member9
+}
+
+struct test_struct3 {
+    1: map<i16, i32> struct3_member1 = {1:2, 3:4},
+    2: map<i64, double> struct3_member2 = {10:1.1, 20:2.1},
+    3: map<string, bool> struct3_member3,
+    4: map<byte, test_enum1> struct3_member4,
+    5: map<test_enum2, test_enum3 > struct3_member5,
+    7: map<double, string> struct3_member7
+}
+
+struct test_struct4 {
+    1: i32 struct4_member1,
+    2: optional i32 struct4_member2
+}
+
+struct test_struct5{
+    1: double struct5_member1,
+    2: string struct5_member2 = "Thrift Audit Test"
+}
+struct test_struct6 {
+    1: i32 struct6_member1,
+    2: required i32 struct6_member2
+}
+
+service base {
+    oneway void base_oneway(
+        1: i32 arg1),
+
+    void base_function1(
+        1: i16 function1_arg1,
+        2: i32 function1_arg2,
+        3: i64 function1_arg3,
+        4: double function1_arg4,
+        5: string function1_arg5,
+        6: bool function1_arg6,
+        7: test_enum1 function1_arg7,
+        8: test_struct1 function1_arg8),
+
+    void base_function2(
+        1: list<i16> function2_arg1,
+        2: list<i32> function2_arg2,
+        3: list<i64> function2_arg3,
+        4: list<double> function2_arg4,
+        5: string function2_arg5,
+        6: list<bool> function2_arg6,
+        7: list<byte> function2_arg7,
+        8: list<test_enum1> function2_arg8,
+        9: list<test_struct1> function2_arg9) throws (1:test_exception2 e),
+
+    void base_function3(),
+
+}
+
+service derived1 extends base {
+    
+    test_enum1 derived1_function1(
+        1: i64 function1_arg1,
+        2: double function1_arg2,
+        3: test_enum1 function1_arg3) throws (1:test_exception2 e),
+
+    i64 derived1_function2(
+        1: list<i64> function2_arg1,
+        2: list<double> function2_arg2,
+        3: list<string> function2_arg3,
+        4: list<byte> function2_arg4,
+        5: list<test_enum1> function2_arg5) throws (1:test_exception2 e),
+
+    double derived1_function3(
+        1: string function3_arg1,
+        2: bool function3_arg2) throws (1:test_exception2 e),
+
+    string derived1_function4(
+        1: string function4_arg1,
+        2: bool function4_arg2) throws (1:test_exception2 e),
+
+
+    bool derived1_function5(
+        1: map<i64, double> function5_arg1,
+        2: map<string, bool> function5_arg2,
+        3: map<test_enum1, test_enum2> function5_arg3) throws (1:test_exception2 e),
+
+    test_struct1 derived1_function6(
+        1: double function6_arg1) throws (1:test_exception2 e),
+}
+
+service derived2 extends base {
+
+    list<i32> derived2_function1(
+        1: i32 function1_arg1) throws (1:test_exception2 e),
+    
+    list<test_enum1> derived2_function2(
+        1:i64 function2_arg2) throws (1:test_exception2 e),
+
+    list<test_struct1> derived2_function3(
+        1:double function3_arg1) throws(1:test_exception2 e),
+
+    map<double, string> derived2_function4(
+        1:string function4_arg1) throws(1:test_exception2 e),
+
+    map<test_enum1, test_enum2> derived2_function5(
+        1:bool function5_arg1) throws(1:test_exception2 e),
+
+    map<test_struct1, test_struct2> derived2_function6(
+        1:bool function6_arg1) throws(1:test_exception2 e),
+    
+}
diff --git a/test/audit/break3.thrift b/test/audit/break3.thrift
new file mode 100644
index 0000000..ded9972
--- /dev/null
+++ b/test/audit/break3.thrift
@@ -0,0 +1,191 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+//break3 - Struct field changed in test_struct1(enum1 to enum2)
+
+namespace cpp test
+
+//Constants
+const i32 const1 = 123;
+const double const2 = 23.3;
+const map<string,string> const3 = {"hello":"world", "thrift":"audit"};
+
+
+//Exception
+exception test_exception1 {
+    1: i32 code;
+    2: string json;
+}
+exception test_exception2 {
+    1: i32 code;
+    2: string json;
+}
+
+//Enums
+
+enum test_enum1 {
+    enum1_value0 = 0,
+    enum1_value1 = 1,
+    enum1_value2 = 2,
+    enum1_value5 = 5,
+    enum1_value7 = 7,
+    enum1_value8 = 8
+}
+
+enum test_enum2 {
+    enum2_value0 = 0,
+    enum2_value1 = 1,
+    enum2_value2 = 2,
+    enum2_value3 = 3
+}
+
+enum test_enum3 {
+    enum3_value1 = 0,
+    enum3_value2 = 1
+}
+
+struct test_struct1 {
+    1: i16 struct1_member1,
+    2: i32 struct1_member2,
+    3: i64 struct1_member3,
+    4: double struct1_member4 = 2.5,
+    5: string struct1_member5 = "Audit test",
+    6: bool struct1_member6,
+    7: byte struct1_member7,
+    8: binary struct1_member8,
+    9: test_enum2 struct1_member9
+}
+
+struct test_struct2 {
+    1: list<i16> struct2_member1,
+    2: list<i32> struct2_member2,
+    3: list<i64> struct2_member3 = [23, 32],
+    4: list<double> struct2_member4,
+    5: list<string> struct2_member5,
+    6: list<bool> struct2_member6,
+    7: list<byte> struct2_member7,
+    8: list<binary> struct2_member8,
+    9: list<test_enum1> struct2_member9
+}
+
+struct test_struct3 {
+    1: map<i16, i32> struct3_member1 = {1:2, 3:4},
+    2: map<i64, double> struct3_member2 = {10:1.1, 20:2.1},
+    3: map<string, bool> struct3_member3,
+    4: map<byte, test_enum1> struct3_member4,
+    5: map<test_enum2, test_enum3 > struct3_member5,
+    7: map<double, string> struct3_member7
+}
+
+struct test_struct4 {
+    1: i32 struct4_member1,
+    2: optional i32 struct4_member2
+}
+
+struct test_struct5{
+    1: double struct5_member1,
+    2: string struct5_member2 = "Thrift Audit Test"
+}
+struct test_struct6 {
+    1: i32 struct6_member1,
+    2: required i32 struct6_member2
+}
+
+service base {
+    oneway void base_oneway(
+        1: i32 arg1),
+
+    void base_function1(
+        1: i16 function1_arg1,
+        2: i32 function1_arg2,
+        3: i64 function1_arg3,
+        4: double function1_arg4,
+        5: string function1_arg5,
+        6: bool function1_arg6,
+        7: test_enum1 function1_arg7,
+        8: test_struct1 function1_arg8),
+
+    void base_function2(
+        1: list<i16> function2_arg1,
+        2: list<i32> function2_arg2,
+        3: list<i64> function2_arg3,
+        4: list<double> function2_arg4,
+        5: list<string> function2_arg5,
+        6: list<bool> function2_arg6,
+        7: list<byte> function2_arg7,
+        8: list<test_enum1> function2_arg8,
+        9: list<test_struct1> function2_arg9) throws (1:test_exception2 e),
+
+    void base_function3(),
+
+}
+
+service derived1 extends base {
+    
+    test_enum1 derived1_function1(
+        1: i64 function1_arg1,
+        2: double function1_arg2,
+        3: test_enum1 function1_arg3) throws (1:test_exception2 e),
+
+    i64 derived1_function2(
+        1: list<i64> function2_arg1,
+        2: list<double> function2_arg2,
+        3: list<string> function2_arg3,
+        4: list<byte> function2_arg4,
+        5: list<test_enum1> function2_arg5) throws (1:test_exception2 e),
+
+    double derived1_function3(
+        1: string function3_arg1,
+        2: bool function3_arg2) throws (1:test_exception2 e),
+
+    string derived1_function4(
+        1: string function4_arg1,
+        2: bool function4_arg2) throws (1:test_exception2 e),
+
+
+    bool derived1_function5(
+        1: map<i64, double> function5_arg1,
+        2: map<string, bool> function5_arg2,
+        3: map<test_enum1, test_enum2> function5_arg3) throws (1:test_exception2 e),
+
+    test_struct1 derived1_function6(
+        1: double function6_arg1) throws (1:test_exception2 e),
+}
+
+service derived2 extends base {
+
+    list<i32> derived2_function1(
+        1: i32 function1_arg1) throws (1:test_exception2 e),
+    
+    list<test_enum1> derived2_function2(
+        1:i64 function2_arg2) throws (1:test_exception2 e),
+
+    list<test_struct1> derived2_function3(
+        1:double function3_arg1) throws(1:test_exception2 e),
+
+    map<double, string> derived2_function4(
+        1:string function4_arg1) throws(1:test_exception2 e),
+
+    map<test_enum1, test_enum2> derived2_function5(
+        1:bool function5_arg1) throws(1:test_exception2 e),
+
+    map<test_struct1, test_struct2> derived2_function6(
+        1:bool function6_arg1) throws(1:test_exception2 e),
+    
+}
diff --git a/test/audit/break30.thrift b/test/audit/break30.thrift
new file mode 100644
index 0000000..818dd6e
--- /dev/null
+++ b/test/audit/break30.thrift
@@ -0,0 +1,190 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// break30- derived1_function6 argument changed struct1 to map<struct1,struct1>
+namespace cpp test
+
+//Constants
+const i32 const1 = 123;
+const double const2 = 23.3;
+const map<string,string> const3 = {"hello":"world", "thrift":"audit"};
+
+
+//Exception
+exception test_exception1 {
+    1: i32 code;
+    2: string json;
+}
+exception test_exception2 {
+    1: i32 code;
+    2: string json;
+}
+
+//Enums
+
+enum test_enum1 {
+    enum1_value0 = 0,
+    enum1_value1 = 1,
+    enum1_value2 = 2,
+    enum1_value5 = 5,
+    enum1_value7 = 7,
+    enum1_value8 = 8
+}
+
+enum test_enum2 {
+    enum2_value0 = 0,
+    enum2_value1 = 1,
+    enum2_value2 = 2,
+    enum2_value3 = 3
+}
+
+enum test_enum3 {
+    enum3_value1 = 0,
+    enum3_value2 = 1
+}
+
+struct test_struct1 {
+    1: i16 struct1_member1,
+    2: i32 struct1_member2,
+    3: i64 struct1_member3,
+    4: double struct1_member4 = 2.5,
+    5: string struct1_member5 = "Audit test",
+    6: bool struct1_member6,
+    7: byte struct1_member7,
+    8: binary struct1_member8,
+    9: test_enum1 struct1_member9
+}
+
+struct test_struct2 {
+    1: list<i16> struct2_member1,
+    2: list<i32> struct2_member2,
+    3: list<i64> struct2_member3 = [23, 32 ],
+    4: list<double> struct2_member4,
+    5: list<string> struct2_member5,
+    6: list<bool> struct2_member6,
+    7: list<byte> struct2_member7,
+    8: list<binary> struct2_member8,
+    9: list<test_enum1> struct2_member9
+}
+
+struct test_struct3 {
+    1: map<i16, i32> struct3_member1 = {1:2, 3:4},
+    2: map<i64, double> struct3_member2 = {10:1.1, 20:2.1},
+    3: map<string, bool> struct3_member3,
+    4: map<byte, test_enum1> struct3_member4,
+    5: map<test_enum2, test_enum3 > struct3_member5,
+    7: map<double, string> struct3_member7
+}
+
+struct test_struct4 {
+    1: i32 struct4_member1,
+    2: optional i32 struct4_member2
+}
+
+struct test_struct5{
+    1: double struct5_member1,
+    2: string struct5_member2 = "Thrift Audit Test"
+}
+struct test_struct6 {
+    1: i32 struct6_member1,
+    2: required i32 struct6_member2
+}
+
+service base {
+    oneway void base_oneway(
+        1: i32 arg1),
+
+    void base_function1(
+        1: i16 function1_arg1,
+        2: i32 function1_arg2,
+        3: i64 function1_arg3,
+        4: double function1_arg4,
+        5: string function1_arg5,
+        6: bool function1_arg6,
+        7: test_enum1 function1_arg7,
+        8: test_struct1 function1_arg8),
+
+    void base_function2(
+        1: list<i16> function2_arg1,
+        2: list<i32> function2_arg2,
+        3: list<i64> function2_arg3,
+        4: list<double> function2_arg4,
+        5: list<string> function2_arg5,
+        6: list<bool> function2_arg6,
+        7: list<byte> function2_arg7,
+        8: list<test_enum1> function2_arg8,
+        9: list<test_struct1> function2_arg9) throws (1:test_exception2 e),
+
+    void base_function3(),
+
+}
+
+service derived1 extends base {
+    
+    test_enum1 derived1_function1(
+        1: i64 function1_arg1,
+        2: double function1_arg2,
+        3: test_enum1 function1_arg3) throws (1:test_exception2 e),
+
+    i64 derived1_function2(
+        1: list<i64> function2_arg1,
+        2: list<double> function2_arg2,
+        3: list<string> function2_arg3,
+        4: list<byte> function2_arg4,
+        5: list<test_enum1> function2_arg5) throws (1:test_exception2 e),
+
+    double derived1_function3(
+        1: string function3_arg1,
+        2: bool function3_arg2) throws (1:test_exception2 e),
+
+    string derived1_function4(
+        1: string function4_arg1,
+        2: bool function4_arg2) throws (1:test_exception2 e),
+
+
+    bool derived1_function5(
+        1: map<i64, double> function5_arg1,
+        2: map<string, bool> function5_arg2,
+        3: map<test_enum1, test_enum2> function5_arg3) throws (1:test_exception2 e),
+
+    map<test_struct1,test_struct1> derived1_function6(
+        1: double function6_arg1) throws (1:test_exception2 e),
+}
+
+service derived2 extends base {
+
+    list<i32> derived2_function1(
+        1: i32 function1_arg1) throws (1:test_exception2 e),
+    
+    list<test_enum1> derived2_function2(
+        1:i64 function2_arg2) throws (1:test_exception2 e),
+
+    list<test_struct1> derived2_function3(
+        1:double function3_arg1) throws(1:test_exception2 e),
+
+    map<double, string> derived2_function4(
+        1:string function4_arg1) throws(1:test_exception2 e),
+
+    map<test_enum1, test_enum2> derived2_function5(
+        1:bool function5_arg1) throws(1:test_exception2 e),
+
+    map<test_struct1, test_struct2> derived2_function6(
+        1:bool function6_arg1) throws(1:test_exception2 e),
+    
+}
diff --git a/test/audit/break31.thrift b/test/audit/break31.thrift
new file mode 100644
index 0000000..7ca3804
--- /dev/null
+++ b/test/audit/break31.thrift
@@ -0,0 +1,191 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+//break31 - Exception removed to base_function2
+
+namespace cpp test
+
+//Constants
+const i32 const1 = 123;
+const double const2 = 23.3;
+const map<string,string> const3 = {"hello":"world", "thrift":"audit"};
+
+
+//Exception
+exception test_exception1 {
+    1: i32 code;
+    2: string json;
+}
+exception test_exception2 {
+    1: i32 code;
+    2: string json;
+}
+
+//Enums
+
+enum test_enum1 {
+    enum1_value0 = 0,
+    enum1_value1 = 1,
+    enum1_value2 = 2,
+    enum1_value5 = 5,
+    enum1_value7 = 7,
+    enum1_value8 = 8
+}
+
+enum test_enum2 {
+    enum2_value0 = 0,
+    enum2_value1 = 1,
+    enum2_value2 = 2,
+    enum2_value3 = 3
+}
+
+enum test_enum3 {
+    enum3_value1 = 0,
+    enum3_value2 = 1
+}
+
+struct test_struct1 {
+    1: i16 struct1_member1,
+    2: i32 struct1_member2,
+    3: i64 struct1_member3,
+    4: double struct1_member4 = 2.5,
+    5: string struct1_member5 = "Audit test",
+    6: bool struct1_member6,
+    7: byte struct1_member7,
+    8: binary struct1_member8,
+    9: test_enum1 struct1_member9
+}
+
+struct test_struct2 {
+    1: list<i16> struct2_member1,
+    2: list<i32> struct2_member2,
+    3: list<i64> struct2_member3 = [23, 32 ],
+    4: list<double> struct2_member4,
+    5: list<string> struct2_member5,
+    6: list<bool> struct2_member6,
+    7: list<byte> struct2_member7,
+    8: list<binary> struct2_member8,
+    9: list<test_enum1> struct2_member9
+}
+
+struct test_struct3 {
+    1: map<i16, i32> struct3_member1 = {1:2, 3:4},
+    2: map<i64, double> struct3_member2 = {10:1.1, 20:2.1},
+    3: map<string, bool> struct3_member3,
+    4: map<byte, test_enum1> struct3_member4,
+    5: map<test_enum2, test_enum3 > struct3_member5,
+    7: map<double, string> struct3_member7
+}
+
+struct test_struct4 {
+    1: i32 struct4_member1,
+    2: optional i32 struct4_member2
+}
+
+struct test_struct5{
+    1: double struct5_member1,
+    2: string struct5_member2 = "Thrift Audit Test"
+}
+struct test_struct6 {
+    1: i32 struct6_member1,
+    2: required i32 struct6_member2
+}
+
+service base {
+    oneway void base_oneway(
+        1: i32 arg1),
+
+    void base_function1(
+        1: i16 function1_arg1,
+        2: i32 function1_arg2,
+        3: i64 function1_arg3,
+        4: double function1_arg4,
+        5: string function1_arg5,
+        6: bool function1_arg6,
+        7: test_enum1 function1_arg7,
+        8: test_struct1 function1_arg8),
+
+    void base_function2(
+        1: list<i16> function2_arg1,
+        2: list<i32> function2_arg2,
+        3: list<i64> function2_arg3,
+        4: list<double> function2_arg4,
+        5: list<string> function2_arg5,
+        6: list<bool> function2_arg6,
+        7: list<byte> function2_arg7,
+        8: list<test_enum1> function2_arg8,
+        9: list<test_struct1> function2_arg9),
+
+    void base_function3(),
+
+}
+
+service derived1 extends base {
+    
+    test_enum1 derived1_function1(
+        1: i64 function1_arg1,
+        2: double function1_arg2,
+        3: test_enum1 function1_arg3) throws (1:test_exception2 e),
+
+    i64 derived1_function2(
+        1: list<i64> function2_arg1,
+        2: list<double> function2_arg2,
+        3: list<string> function2_arg3,
+        4: list<byte> function2_arg4,
+        5: list<test_enum1> function2_arg5) throws (1:test_exception2 e),
+
+    double derived1_function3(
+        1: string function3_arg1,
+        2: bool function3_arg2) throws (1:test_exception2 e),
+
+    string derived1_function4(
+        1: string function4_arg1,
+        2: bool function4_arg2) throws (1:test_exception2 e),
+
+
+    bool derived1_function5(
+        1: map<i64, double> function5_arg1,
+        2: map<string, bool> function5_arg2,
+        3: map<test_enum1, test_enum2> function5_arg3) throws (1:test_exception2 e),
+
+    test_struct1 derived1_function6(
+        1: double function6_arg1) throws (1:test_exception2 e),
+}
+
+service derived2 extends base {
+
+    list<i32> derived2_function1(
+        1: i32 function1_arg1) throws (1:test_exception2 e),
+    
+    list<test_enum1> derived2_function2(
+        1:i64 function2_arg2) throws (1:test_exception2 e),
+
+    list<test_struct1> derived2_function3(
+        1:double function3_arg1) throws(1:test_exception2 e),
+
+    map<double, string> derived2_function4(
+        1:string function4_arg1) throws(1:test_exception2 e),
+
+    map<test_enum1, test_enum2> derived2_function5(
+        1:bool function5_arg1) throws(1:test_exception2 e),
+
+    map<test_struct1, test_struct2> derived2_function6(
+        1:bool function6_arg1) throws(1:test_exception2 e),
+    
+}
diff --git a/test/audit/break32.thrift b/test/audit/break32.thrift
new file mode 100644
index 0000000..ca3f8a8
--- /dev/null
+++ b/test/audit/break32.thrift
@@ -0,0 +1,191 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+//break32- Exception1 field type changed for id =1
+
+namespace cpp test
+
+//Constants
+const i32 const1 = 123;
+const double const2 = 23.3;
+const map<string,string> const3 = {"hello":"world", "thrift":"audit"};
+
+
+//Exception
+exception test_exception1 {
+    1: i64 code;
+    2: string json;
+}
+exception test_exception2 {
+    1: i32 code;
+    2: string json;
+}
+
+//Enums
+
+enum test_enum1 {
+    enum1_value0 = 0,
+    enum1_value1 = 1,
+    enum1_value2 = 2,
+    enum1_value5 = 5,
+    enum1_value7 = 7,
+    enum1_value8 = 8
+}
+
+enum test_enum2 {
+    enum2_value0 = 0,
+    enum2_value1 = 1,
+    enum2_value2 = 2,
+    enum2_value3 = 3
+}
+
+enum test_enum3 {
+    enum3_value1 = 0,
+    enum3_value2 = 1
+}
+
+struct test_struct1 {
+    1: i16 struct1_member1,
+    2: i32 struct1_member2,
+    3: i64 struct1_member3,
+    4: double struct1_member4 = 2.5,
+    5: string struct1_member5 = "Audit test",
+    6: bool struct1_member6,
+    7: byte struct1_member7,
+    8: binary struct1_member8,
+    9: test_enum1 struct1_member9
+}
+
+struct test_struct2 {
+    1: list<i16> struct2_member1,
+    2: list<i32> struct2_member2,
+    3: list<i64> struct2_member3 = [23, 32 ],
+    4: list<double> struct2_member4,
+    5: list<string> struct2_member5,
+    6: list<bool> struct2_member6,
+    7: list<byte> struct2_member7,
+    8: list<binary> struct2_member8,
+    9: list<test_enum1> struct2_member9
+}
+
+struct test_struct3 {
+    1: map<i16, i32> struct3_member1 = {1:2, 3:4},
+    2: map<i64, double> struct3_member2 = {10:1.1, 20:2.1},
+    3: map<string, bool> struct3_member3,
+    4: map<byte, test_enum1> struct3_member4,
+    5: map<test_enum2, test_enum3 > struct3_member5,
+    7: map<double, string> struct3_member7
+}
+
+struct test_struct4 {
+    1: i32 struct4_member1,
+    2: optional i32 struct4_member2
+}
+
+struct test_struct5{
+    1: double struct5_member1,
+    2: string struct5_member2 = "Thrift Audit Test"
+}
+struct test_struct6 {
+    1: i32 struct6_member1,
+    2: required i32 struct6_member2
+}
+
+service base {
+    oneway void base_oneway(
+        1: i32 arg1),
+
+    void base_function1(
+        1: i16 function1_arg1,
+        2: i32 function1_arg2,
+        3: i64 function1_arg3,
+        4: double function1_arg4,
+        5: string function1_arg5,
+        6: bool function1_arg6,
+        7: test_enum1 function1_arg7,
+        8: test_struct1 function1_arg8),
+
+    void base_function2(
+        1: list<i16> function2_arg1,
+        2: list<i32> function2_arg2,
+        3: list<i64> function2_arg3,
+        4: list<double> function2_arg4,
+        5: list<string> function2_arg5,
+        6: list<bool> function2_arg6,
+        7: list<byte> function2_arg7,
+        8: list<test_enum1> function2_arg8,
+        9: list<test_struct1> function2_arg9) throws (1:test_exception2 e),
+
+    void base_function3(),
+
+}
+
+service derived1 extends base {
+    
+    test_enum1 derived1_function1(
+        1: i64 function1_arg1,
+        2: double function1_arg2,
+        3: test_enum1 function1_arg3) throws (1:test_exception2 e),
+
+    i64 derived1_function2(
+        1: list<i64> function2_arg1,
+        2: list<double> function2_arg2,
+        3: list<string> function2_arg3,
+        4: list<byte> function2_arg4,
+        5: list<test_enum1> function2_arg5) throws (1:test_exception2 e),
+
+    double derived1_function3(
+        1: string function3_arg1,
+        2: bool function3_arg2) throws (1:test_exception2 e),
+
+    string derived1_function4(
+        1: string function4_arg1,
+        2: bool function4_arg2) throws (1:test_exception2 e),
+
+
+    bool derived1_function5(
+        1: map<i64, double> function5_arg1,
+        2: map<string, bool> function5_arg2,
+        3: map<test_enum1, test_enum2> function5_arg3) throws (1:test_exception2 e),
+
+    test_struct1 derived1_function6(
+        1: double function6_arg1) throws (1:test_exception2 e),
+}
+
+service derived2 extends base {
+
+    list<i32> derived2_function1(
+        1: i32 function1_arg1) throws (1:test_exception2 e),
+    
+    list<test_enum1> derived2_function2(
+        1:i64 function2_arg2) throws (1:test_exception2 e),
+
+    list<test_struct1> derived2_function3(
+        1:double function3_arg1) throws(1:test_exception2 e),
+
+    map<double, string> derived2_function4(
+        1:string function4_arg1) throws(1:test_exception2 e),
+
+    map<test_enum1, test_enum2> derived2_function5(
+        1:bool function5_arg1) throws(1:test_exception2 e),
+
+    map<test_struct1, test_struct2> derived2_function6(
+        1:bool function6_arg1) throws(1:test_exception2 e),
+    
+}
diff --git a/test/audit/break33.thrift b/test/audit/break33.thrift
new file mode 100644
index 0000000..42dbb82
--- /dev/null
+++ b/test/audit/break33.thrift
@@ -0,0 +1,191 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+//break33 - derived1_function1 exception type changed.
+
+namespace cpp test
+
+//Constants
+const i32 const1 = 123;
+const double const2 = 23.3;
+const map<string,string> const3 = {"hello":"world", "thrift":"audit"};
+
+
+//Exception
+exception test_exception1 {
+    1: i32 code;
+    2: string json;
+}
+exception test_exception2 {
+    1: i32 code;
+    2: string json;
+}
+
+//Enums
+
+enum test_enum1 {
+    enum1_value0 = 0,
+    enum1_value1 = 1,
+    enum1_value2 = 2,
+    enum1_value5 = 5,
+    enum1_value7 = 7,
+    enum1_value8 = 8
+}
+
+enum test_enum2 {
+    enum2_value0 = 0,
+    enum2_value1 = 1,
+    enum2_value2 = 2,
+    enum2_value3 = 3
+}
+
+enum test_enum3 {
+    enum3_value1 = 0,
+    enum3_value2 = 1
+}
+
+struct test_struct1 {
+    1: i16 struct1_member1,
+    2: i32 struct1_member2,
+    3: i64 struct1_member3,
+    4: double struct1_member4 = 2.5,
+    5: string struct1_member5 = "Audit test",
+    6: bool struct1_member6,
+    7: byte struct1_member7,
+    8: binary struct1_member8,
+    9: test_enum1 struct1_member9
+}
+
+struct test_struct2 {
+    1: list<i16> struct2_member1,
+    2: list<i32> struct2_member2,
+    3: list<i64> struct2_member3 = [23, 32 ],
+    4: list<double> struct2_member4,
+    5: list<string> struct2_member5,
+    6: list<bool> struct2_member6,
+    7: list<byte> struct2_member7,
+    8: list<binary> struct2_member8,
+    9: list<test_enum1> struct2_member9
+}
+
+struct test_struct3 {
+    1: map<i16, i32> struct3_member1 = {1:2, 3:4},
+    2: map<i64, double> struct3_member2 = {10:1.1, 20:2.1},
+    3: map<string, bool> struct3_member3,
+    4: map<byte, test_enum1> struct3_member4,
+    5: map<test_enum2, test_enum3 > struct3_member5,
+    7: map<double, string> struct3_member7
+}
+
+struct test_struct4 {
+    1: i32 struct4_member1,
+    2: optional i32 struct4_member2
+}
+
+struct test_struct5{
+    1: double struct5_member1,
+    2: string struct5_member2 = "Thrift Audit Test"
+}
+struct test_struct6 {
+    1: i32 struct6_member1,
+    2: required i32 struct6_member2
+}
+
+service base {
+    oneway void base_oneway(
+        1: i32 arg1),
+
+    void base_function1(
+        1: i16 function1_arg1,
+        2: i32 function1_arg2,
+        3: i64 function1_arg3,
+        4: double function1_arg4,
+        5: string function1_arg5,
+        6: bool function1_arg6,
+        7: test_enum1 function1_arg7,
+        8: test_struct1 function1_arg8),
+
+    void base_function2(
+        1: list<i16> function2_arg1,
+        2: list<i32> function2_arg2,
+        3: list<i64> function2_arg3,
+        4: list<double> function2_arg4,
+        5: list<string> function2_arg5,
+        6: list<bool> function2_arg6,
+        7: list<byte> function2_arg7,
+        8: list<test_enum1> function2_arg8,
+        9: list<test_struct1> function2_arg9) throws (1:test_exception2 e),
+
+    void base_function3(),
+
+}
+
+service derived1 extends base {
+    
+    test_enum1 derived1_function1(
+        1: i64 function1_arg1,
+        2: double function1_arg2,
+        3: test_enum1 function1_arg3) throws (1:test_exception1 e),
+
+    i64 derived1_function2(
+        1: list<i64> function2_arg1,
+        2: list<double> function2_arg2,
+        3: list<string> function2_arg3,
+        4: list<byte> function2_arg4,
+        5: list<test_enum1> function2_arg5) throws (1:test_exception2 e),
+
+    double derived1_function3(
+        1: string function3_arg1,
+        2: bool function3_arg2) throws (1:test_exception2 e),
+
+    string derived1_function4(
+        1: string function4_arg1,
+        2: bool function4_arg2) throws (1:test_exception2 e),
+
+
+    bool derived1_function5(
+        1: map<i64, double> function5_arg1,
+        2: map<string, bool> function5_arg2,
+        3: map<test_enum1, test_enum2> function5_arg3) throws (1:test_exception2 e),
+
+    test_struct1 derived1_function6(
+        1: double function6_arg1) throws (1:test_exception2 e),
+}
+
+service derived2 extends base {
+
+    list<i32> derived2_function1(
+        1: i32 function1_arg1) throws (1:test_exception2 e),
+    
+    list<test_enum1> derived2_function2(
+        1:i64 function2_arg2) throws (1:test_exception2 e),
+
+    list<test_struct1> derived2_function3(
+        1:double function3_arg1) throws(1:test_exception2 e),
+
+    map<double, string> derived2_function4(
+        1:string function4_arg1) throws(1:test_exception2 e),
+
+    map<test_enum1, test_enum2> derived2_function5(
+        1:bool function5_arg1) throws(1:test_exception2 e),
+
+    map<test_struct1, test_struct2> derived2_function6(
+        1:bool function6_arg1) throws(1:test_exception2 e),
+    
+}
diff --git a/test/audit/break34.thrift b/test/audit/break34.thrift
new file mode 100644
index 0000000..af93e65
--- /dev/null
+++ b/test/audit/break34.thrift
@@ -0,0 +1,192 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+//break34 - Field added to struct with Field ID being in between two existing field IDs
+
+namespace cpp test
+
+//Constants
+const i32 const1 = 123;
+const double const2 = 23.3;
+const map<string,string> const3 = {"hello":"world", "thrift":"audit"};
+
+
+//Exception
+exception test_exception1 {
+    1: i32 code;
+    2: string json;
+}
+exception test_exception2 {
+    1: i32 code;
+    2: string json;
+}
+
+//Enums
+
+enum test_enum1 {
+    enum1_value0 = 0,
+    enum1_value1 = 1,
+    enum1_value2 = 2,
+    enum1_value5 = 5,
+    enum1_value7 = 7,
+    enum1_value8 = 8
+}
+
+enum test_enum2 {
+    enum2_value0 = 0,
+    enum2_value1 = 1,
+    enum2_value2 = 2,
+    enum2_value3 = 3
+}
+
+enum test_enum3 {
+    enum3_value1 = 0,
+    enum3_value2 = 1
+}
+
+struct test_struct1 {
+    1: i16 struct1_member1,
+    2: i32 struct1_member2,
+    3: i64 struct1_member3,
+    4: double struct1_member4 = 2.5,
+    5: string struct1_member5 = "Audit test",
+    6: bool struct1_member6,
+    7: byte struct1_member7,
+    8: binary struct1_member8,
+    9: test_enum1 struct1_member9
+}
+
+struct test_struct2 {
+    1: list<i16> struct2_member1,
+    2: list<i32> struct2_member2,
+    3: list<i64> struct2_member3 = [23, 32 ],
+    4: list<double> struct2_member4,
+    5: list<string> struct2_member5,
+    6: list<bool> struct2_member6,
+    7: list<byte> struct2_member7,
+    8: list<binary> struct2_member8,
+    9: list<test_enum1> struct2_member9
+}
+
+struct test_struct3 {
+    1: map<i16, i32> struct3_member1 = {1:2, 3:4},
+    2: map<i64, double> struct3_member2 = {10:1.1, 20:2.1},
+    3: map<string, bool> struct3_member3,
+    4: map<byte, test_enum1> struct3_member4,
+    5: map<test_enum2, test_enum3 > struct3_member5,
+    6: map<test_enum1, test_enum2> struct3_member6,
+    7: map<double, string> struct3_member7
+}
+
+struct test_struct4 {
+    1: i32 struct4_member1,
+    2: optional i32 struct4_member2
+}
+
+struct test_struct5{
+    1: double struct5_member1,
+    2: string struct5_member2 = "Thrift Audit Test"
+}
+struct test_struct6 {
+    1: i32 struct6_member1,
+    2: required i32 struct6_member2
+}
+
+service base {
+    oneway void base_oneway(
+        1: i32 arg1),
+
+    void base_function1(
+        1: i16 function1_arg1,
+        2: i32 function1_arg2,
+        3: i64 function1_arg3,
+        4: double function1_arg4,
+        5: string function1_arg5,
+        6: bool function1_arg6,
+        7: test_enum1 function1_arg7,
+        8: test_struct1 function1_arg8),
+
+    void base_function2(
+        1: list<i16> function2_arg1,
+        2: list<i32> function2_arg2,
+        3: list<i64> function2_arg3,
+        4: list<double> function2_arg4,
+        5: list<string> function2_arg5,
+        6: list<bool> function2_arg6,
+        7: list<byte> function2_arg7,
+        8: list<test_enum1> function2_arg8,
+        9: list<test_struct1> function2_arg9) throws (1:test_exception2 e),
+
+    void base_function3(),
+
+}
+
+service derived1 extends base {
+    
+    test_enum1 derived1_function1(
+        1: i64 function1_arg1,
+        2: double function1_arg2,
+        3: test_enum1 function1_arg3) throws (1:test_exception2 e),
+
+    i64 derived1_function2(
+        1: list<i64> function2_arg1,
+        2: list<double> function2_arg2,
+        3: list<string> function2_arg3,
+        4: list<byte> function2_arg4,
+        5: list<test_enum1> function2_arg5) throws (1:test_exception2 e),
+
+    double derived1_function3(
+        1: string function3_arg1,
+        2: bool function3_arg2) throws (1:test_exception2 e),
+
+    string derived1_function4(
+        1: string function4_arg1,
+        2: bool function4_arg2) throws (1:test_exception2 e),
+
+
+    bool derived1_function5(
+        1: map<i64, double> function5_arg1,
+        2: map<string, bool> function5_arg2,
+        3: map<test_enum1, test_enum2> function5_arg3) throws (1:test_exception2 e),
+
+    test_struct1 derived1_function6(
+        1: double function6_arg1) throws (1:test_exception2 e),
+}
+
+service derived2 extends base {
+
+    list<i32> derived2_function1(
+        1: i32 function1_arg1) throws (1:test_exception2 e),
+    
+    list<test_enum1> derived2_function2(
+        1:i64 function2_arg2) throws (1:test_exception2 e),
+
+    list<test_struct1> derived2_function3(
+        1:double function3_arg1) throws(1:test_exception2 e),
+
+    map<double, string> derived2_function4(
+        1:string function4_arg1) throws(1:test_exception2 e),
+
+    map<test_enum1, test_enum2> derived2_function5(
+        1:bool function5_arg1) throws(1:test_exception2 e),
+
+    map<test_struct1, test_struct2> derived2_function6(
+        1:bool function6_arg1) throws(1:test_exception2 e),
+    
+}
diff --git a/test/audit/break4.thrift b/test/audit/break4.thrift
new file mode 100644
index 0000000..6a28ec0
--- /dev/null
+++ b/test/audit/break4.thrift
@@ -0,0 +1,190 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+//Field type changed in test_struct1(bool to string)
+namespace cpp test
+
+//Constants
+const i32 const1 = 123;
+const double const2 = 23.3;
+const map<string,string> const3 = {"hello":"world", "thrift":"audit"};
+
+
+//Exception
+exception test_exception1 {
+    1: i32 code;
+    2: string json;
+}
+exception test_exception2 {
+    1: i32 code;
+    2: string json;
+}
+
+//Enums
+
+enum test_enum1 {
+    enum1_value0 = 0,
+    enum1_value1 = 1,
+    enum1_value2 = 2,
+    enum1_value5 = 5,
+    enum1_value7 = 7,
+    enum1_value8 = 8
+}
+
+enum test_enum2 {
+    enum2_value0 = 0,
+    enum2_value1 = 1,
+    enum2_value2 = 2,
+    enum2_value3 = 3
+}
+
+enum test_enum3 {
+    enum3_value1 = 0,
+    enum3_value2 = 1
+}
+
+struct test_struct1 {
+    1: i16 struct1_member1,
+    2: i32 struct1_member2,
+    3: i64 struct1_member3,
+    4: double struct1_member4 = 2.5,
+    5: string struct1_member5 = "Audit test",
+    6: string struct1_member6,
+    7: byte struct1_member7,
+    8: binary struct1_member8,
+    9: test_enum1 struct1_member9
+}
+
+struct test_struct2 {
+    1: list<i16> struct2_member1,
+    2: list<i32> struct2_member2,
+    3: list<i64> struct2_member3 =[23, 32],
+    4: list<double> struct2_member4,
+    5: list<string> struct2_member5,
+    6: list<bool> struct2_member6,
+    7: list<byte> struct2_member7,
+    8: list<binary> struct2_member8,
+    9: list<test_enum1> struct2_member9
+}
+
+struct test_struct3 {
+    1: map<i16, i32> struct3_member1 = {1:2, 3:4},
+    2: map<i64, double> struct3_member2 = {10:1.1, 20:2.1},
+    3: map<string, bool> struct3_member3,
+    4: map<byte, test_enum1> struct3_member4,
+    5: map<test_enum2, test_enum3 > struct3_member5,
+    7: map<double, string> struct3_member7
+}
+
+struct test_struct4 {
+    1: i32 struct4_member1,
+    2: optional i32 struct4_member2
+}
+
+struct test_struct5{
+    1: double struct5_member1,
+    2: string struct5_member2 = "Thrift Audit Test"
+}
+struct test_struct6 {
+    1: i32 struct6_member1,
+    2: required i32 struct6_member2
+}
+
+service base {
+    oneway void base_oneway(
+        1: i32 arg1),
+
+    void base_function1(
+        1: i16 function1_arg1,
+        2: i32 function1_arg2,
+        3: i64 function1_arg3,
+        4: double function1_arg4,
+        5: string function1_arg5,
+        6: bool function1_arg6,
+        7: test_enum1 function1_arg7,
+        8: test_struct1 function1_arg8),
+
+    void base_function2(
+        1: list<i16> function2_arg1,
+        2: list<i32> function2_arg2,
+        3: list<i64> function2_arg3,
+        4: list<double> function2_arg4,
+        5: list<string> function2_arg5,
+        6: list<bool> function2_arg6,
+        7: list<byte> function2_arg7,
+        8: list<test_enum1> function2_arg8,
+        9: list<test_struct1> function2_arg9) throws (1:test_exception2 e),
+
+    void base_function3(),
+
+}
+
+service derived1 extends base {
+    
+    test_enum1 derived1_function1(
+        1: i64 function1_arg1,
+        2: double function1_arg2,
+        3: test_enum1 function1_arg3) throws (1:test_exception2 e),
+
+    i64 derived1_function2(
+        1: list<i64> function2_arg1,
+        2: list<double> function2_arg2,
+        3: list<string> function2_arg3,
+        4: list<byte> function2_arg4,
+        5: list<test_enum1> function2_arg5) throws (1:test_exception2 e),
+
+    double derived1_function3(
+        1: string function3_arg1,
+        2: bool function3_arg2) throws (1:test_exception2 e),
+
+    string derived1_function4(
+        1: string function4_arg1,
+        2: bool function4_arg2) throws (1:test_exception2 e),
+
+
+    bool derived1_function5(
+        1: map<i64, double> function5_arg1,
+        2: map<string, bool> function5_arg2,
+        3: map<test_enum1, test_enum2> function5_arg3) throws (1:test_exception2 e),
+
+    test_struct1 derived1_function6(
+        1: double function6_arg1) throws (1:test_exception2 e),
+}
+
+service derived2 extends base {
+
+    list<i32> derived2_function1(
+        1: i32 function1_arg1) throws (1:test_exception2 e),
+    
+    list<test_enum1> derived2_function2(
+        1:i64 function2_arg2) throws (1:test_exception2 e),
+
+    list<test_struct1> derived2_function3(
+        1:double function3_arg1) throws(1:test_exception2 e),
+
+    map<double, string> derived2_function4(
+        1:string function4_arg1) throws(1:test_exception2 e),
+
+    map<test_enum1, test_enum2> derived2_function5(
+        1:bool function5_arg1) throws(1:test_exception2 e),
+
+    map<test_struct1, test_struct2> derived2_function6(
+        1:bool function6_arg1) throws(1:test_exception2 e),
+    
+}
diff --git a/test/audit/break5.thrift b/test/audit/break5.thrift
new file mode 100644
index 0000000..18c22d1
--- /dev/null
+++ b/test/audit/break5.thrift
@@ -0,0 +1,190 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// member field type changed in test_struct1(bool to list<bool>)
+
+namespace cpp test
+
+//Constants
+const i32 const1 = 123;
+const double const2 = 23.3;
+const map<string,string> const3 = {"hello":"world", "thrift":"audit"};
+
+//Exception
+exception test_exception1 {
+    1: i32 code;
+    2: string json;
+}
+exception test_exception2 {
+    1: i32 code;
+    2: string json;
+}
+
+//Enums
+
+enum test_enum1 {
+    enum1_value0 = 0,
+    enum1_value1 = 1,
+    enum1_value2 = 2,
+    enum1_value5 = 5,
+    enum1_value7 = 7,
+    enum1_value8 = 8
+}
+
+enum test_enum2 {
+    enum2_value0 = 0,
+    enum2_value1 = 1,
+    enum2_value2 = 2,
+    enum2_value3 = 3
+}
+
+enum test_enum3 {
+    enum3_value1 = 0,
+    enum3_value2 = 1
+}
+
+struct test_struct1 {
+    1: i16 struct1_member1,
+    2: i32 struct1_member2,
+    3: i64 struct1_member3,
+    4: double struct1_member4 = 2.5,
+    5: string struct1_member5 = "Audit test",
+    6: list<bool> struct1_member6,
+    7: byte struct1_member7,
+    8: binary struct1_member8,
+    9: test_enum1 struct1_member9
+}
+
+struct test_struct2 {
+    1: list<i16> struct2_member1,
+    2: list<i32> struct2_member2,
+    3: list<i64> struct2_member3 = [23, 32 ],
+    4: list<double> struct2_member4,
+    5: list<string> struct2_member5,
+    6: list<bool> struct2_member6,
+    7: list<byte> struct2_member7,
+    8: list<binary> struct2_member8,
+    9: list<test_enum1> struct2_member9
+}
+
+struct test_struct3 {
+    1: map<i16, i32> struct3_member1 = {1:2, 3:4},
+    2: map<i64, double> struct3_member2 = {10:1.1, 20:2.1},
+    3: map<string, bool> struct3_member3,
+    4: map<byte, test_enum1> struct3_member4,
+    5: map<test_enum2, test_enum3 > struct3_member5,
+    7: map<double, string> struct3_member7
+}
+
+struct test_struct4 {
+    1: i32 struct4_member1,
+    2: optional i32 struct4_member2
+}
+
+struct test_struct5{
+    1: double struct5_member1,
+    2: string struct5_member2 = "Thrift Audit Test"
+}
+struct test_struct6 {
+    1: i32 struct6_member1,
+    2: required i32 struct6_member2
+}
+
+service base {
+    oneway void base_oneway(
+        1: i32 arg1),
+
+    void base_function1(
+        1: i16 function1_arg1,
+        2: i32 function1_arg2,
+        3: i64 function1_arg3,
+        4: double function1_arg4,
+        5: string function1_arg5,
+        6: bool function1_arg6,
+        7: test_enum1 function1_arg7,
+        8: test_struct1 function1_arg8),
+
+    void base_function2(
+        1: list<i16> function2_arg1,
+        2: list<i32> function2_arg2,
+        3: list<i64> function2_arg3,
+        4: list<double> function2_arg4,
+        5: list<string> function2_arg5,
+        6: list<bool> function2_arg6,
+        7: list<byte> function2_arg7,
+        8: list<test_enum1> function2_arg8,
+        9: list<test_struct1> function2_arg9) throws (1:test_exception2 e),
+
+    void base_function3(),
+
+}
+
+service derived1 extends base {
+    
+    test_enum1 derived1_function1(
+        1: i64 function1_arg1,
+        2: double function1_arg2,
+        3: test_enum1 function1_arg3) throws (1:test_exception2 e),
+
+    i64 derived1_function2(
+        1: list<i64> function2_arg1,
+        2: list<double> function2_arg2,
+        3: list<string> function2_arg3,
+        4: list<byte> function2_arg4,
+        5: list<test_enum1> function2_arg5) throws (1:test_exception2 e),
+
+    double derived1_function3(
+        1: string function3_arg1,
+        2: bool function3_arg2) throws (1:test_exception2 e),
+
+    string derived1_function4(
+        1: string function4_arg1,
+        2: bool function4_arg2) throws (1:test_exception2 e),
+
+
+    bool derived1_function5(
+        1: map<i64, double> function5_arg1,
+        2: map<string, bool> function5_arg2,
+        3: map<test_enum1, test_enum2> function5_arg3) throws (1:test_exception2 e),
+
+    test_struct1 derived1_function6(
+        1: double function6_arg1) throws (1:test_exception2 e),
+}
+
+service derived2 extends base {
+
+    list<i32> derived2_function1(
+        1: i32 function1_arg1) throws (1:test_exception2 e),
+    
+    list<test_enum1> derived2_function2(
+        1:i64 function2_arg2) throws (1:test_exception2 e),
+
+    list<test_struct1> derived2_function3(
+        1:double function3_arg1) throws(1:test_exception2 e),
+
+    map<double, string> derived2_function4(
+        1:string function4_arg1) throws(1:test_exception2 e),
+
+    map<test_enum1, test_enum2> derived2_function5(
+        1:bool function5_arg1) throws(1:test_exception2 e),
+
+    map<test_struct1, test_struct2> derived2_function6(
+        1:bool function6_arg1) throws(1:test_exception2 e),
+    
+}
diff --git a/test/audit/break6.thrift b/test/audit/break6.thrift
new file mode 100644
index 0000000..9b7a300
--- /dev/null
+++ b/test/audit/break6.thrift
@@ -0,0 +1,191 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// Field type changed in test_struct2 (list<double> to list<i16>)
+
+namespace cpp test
+
+//Constants
+const i32 const1 = 123;
+const double const2 = 23.3;
+const map<string,string> const3 = {"hello":"world", "thrift":"audit"};
+
+
+//Exception
+exception test_exception1 {
+    1: i32 code;
+    2: string json;
+}
+exception test_exception2 {
+    1: i32 code;
+    2: string json;
+}
+
+//Enums
+
+enum test_enum1 {
+    enum1_value0 = 0,
+    enum1_value1 = 1,
+    enum1_value2 = 2,
+    enum1_value5 = 5,
+    enum1_value7 = 7,
+    enum1_value8 = 8
+}
+
+enum test_enum2 {
+    enum2_value0 = 0,
+    enum2_value1 = 1,
+    enum2_value2 = 2,
+    enum2_value3 = 3
+}
+
+enum test_enum3 {
+    enum3_value1 = 0,
+    enum3_value2 = 1
+}
+
+struct test_struct1 {
+    1: i16 struct1_member1,
+    2: i32 struct1_member2,
+    3: i64 struct1_member3,
+    4: double struct1_member4 = 2.5,
+    5: string struct1_member5 = "Audit test",
+    6: bool struct1_member6,
+    7: byte struct1_member7,
+    8: binary struct1_member8,
+    9: test_enum1 struct1_member9
+}
+
+struct test_struct2 {
+    1: list<i16> struct2_member1,
+    2: list<i32> struct2_member2,
+    3: list<i64> struct2_member3 = [23, 32 ],
+    4: list<i16> struct2_member4,
+    5: list<string> struct2_member5,
+    6: list<bool> struct2_member6,
+    7: list<byte> struct2_member7,
+    8: list<binary> struct2_member8,
+    9: list<test_enum1> struct2_member9
+}
+
+struct test_struct3 {
+    1: map<i16, i32> struct3_member1 = {1:2, 3:4},
+    2: map<i64, double> struct3_member2 = {10:1.1, 20:2.1},
+    3: map<string, bool> struct3_member3,
+    4: map<byte, test_enum1> struct3_member4,
+    5: map<test_enum2, test_enum3 > struct3_member5,
+    7: map<double, string> struct3_member7
+}
+
+struct test_struct4 {
+    1: i32 struct4_member1,
+    2: optional i32 struct4_member2
+}
+
+struct test_struct5{
+    1: double struct5_member1,
+    2: string struct5_member2 = "Thrift Audit Test"
+}
+struct test_struct6 {
+    1: i32 struct6_member1,
+    2: required i32 struct6_member2
+}
+
+service base {
+    oneway void base_oneway(
+        1: i32 arg1),
+
+    void base_function1(
+        1: i16 function1_arg1,
+        2: i32 function1_arg2,
+        3: i64 function1_arg3,
+        4: double function1_arg4,
+        5: string function1_arg5,
+        6: bool function1_arg6,
+        7: test_enum1 function1_arg7,
+        8: test_struct1 function1_arg8),
+
+    void base_function2(
+        1: list<i16> function2_arg1,
+        2: list<i32> function2_arg2,
+        3: list<i64> function2_arg3,
+        4: list<double> function2_arg4,
+        5: list<string> function2_arg5,
+        6: list<bool> function2_arg6,
+        7: list<byte> function2_arg7,
+        8: list<test_enum1> function2_arg8,
+        9: list<test_struct1> function2_arg9) throws (1:test_exception2 e),
+
+    void base_function3(),
+
+}
+
+service derived1 extends base {
+    
+    test_enum1 derived1_function1(
+        1: i64 function1_arg1,
+        2: double function1_arg2,
+        3: test_enum1 function1_arg3) throws (1:test_exception2 e),
+
+    i64 derived1_function2(
+        1: list<i64> function2_arg1,
+        2: list<double> function2_arg2,
+        3: list<string> function2_arg3,
+        4: list<byte> function2_arg4,
+        5: list<test_enum1> function2_arg5) throws (1:test_exception2 e),
+
+    double derived1_function3(
+        1: string function3_arg1,
+        2: bool function3_arg2) throws (1:test_exception2 e),
+
+    string derived1_function4(
+        1: string function4_arg1,
+        2: bool function4_arg2) throws (1:test_exception2 e),
+
+
+    bool derived1_function5(
+        1: map<i64, double> function5_arg1,
+        2: map<string, bool> function5_arg2,
+        3: map<test_enum1, test_enum2> function5_arg3) throws (1:test_exception2 e),
+
+    test_struct1 derived1_function6(
+        1: double function6_arg1) throws (1:test_exception2 e),
+}
+
+service derived2 extends base {
+
+    list<i32> derived2_function1(
+        1: i32 function1_arg1) throws (1:test_exception2 e),
+    
+    list<test_enum1> derived2_function2(
+        1:i64 function2_arg2) throws (1:test_exception2 e),
+
+    list<test_struct1> derived2_function3(
+        1:double function3_arg1) throws(1:test_exception2 e),
+
+    map<double, string> derived2_function4(
+        1:string function4_arg1) throws(1:test_exception2 e),
+
+    map<test_enum1, test_enum2> derived2_function5(
+        1:bool function5_arg1) throws(1:test_exception2 e),
+
+    map<test_struct1, test_struct2> derived2_function6(
+        1:bool function6_arg1) throws(1:test_exception2 e),
+    
+}
diff --git a/test/audit/break7.thrift b/test/audit/break7.thrift
new file mode 100644
index 0000000..b31c2df
--- /dev/null
+++ b/test/audit/break7.thrift
@@ -0,0 +1,190 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+//break7 - requiredness removed in struct6
+
+namespace cpp test
+//Constants
+const i32 const1 = 123;
+const double const2 = 23.3;
+const map<string,string> const3 = {"hello":"world", "thrift":"audit"};
+
+
+//Exception
+exception test_exception1 {
+    1: i32 code;
+    2: string json;
+}
+exception test_exception2 {
+    1: i32 code;
+    2: string json;
+}
+
+//Enums
+
+enum test_enum1 {
+    enum1_value0 = 0,
+    enum1_value1 = 1,
+    enum1_value2 = 2,
+    enum1_value5 = 5,
+    enum1_value7 = 7,
+    enum1_value8 = 8
+}
+
+enum test_enum2 {
+    enum2_value0 = 0,
+    enum2_value1 = 1,
+    enum2_value2 = 2,
+    enum2_value3 = 3
+}
+
+enum test_enum3 {
+    enum3_value1 = 0,
+    enum3_value2 = 1
+}
+
+struct test_struct1 {
+    1: i16 struct1_member1,
+    2: i32 struct1_member2,
+    3: i64 struct1_member3,
+    4: double struct1_member4 = 2.5,
+    5: string struct1_member5 = "Audit test",
+    6: bool struct1_member6,
+    7: byte struct1_member7,
+    8: binary struct1_member8,
+    9: test_enum1 struct1_member9
+}
+
+struct test_struct2 {
+    1: list<i16> struct2_member1,
+    2: list<i32> struct2_member2,
+    3: list<i64> struct2_member3 = [23, 32 ],
+    4: list<double> struct2_member4,
+    5: list<string> struct2_member5,
+    6: list<bool> struct2_member6,
+    7: list<byte> struct2_member7,
+    8: list<binary> struct2_member8,
+    9: list<test_enum1> struct2_member9
+}
+
+struct test_struct3 {
+    1: map<i16, i32> struct3_member1 = {1:2, 3:4},
+    2: map<i64, double> struct3_member2 = {10:1.1, 20:2.1},
+    3: map<string, bool> struct3_member3,
+    4: map<byte, test_enum1> struct3_member4,
+    5: map<test_enum2, test_enum3 > struct3_member5,
+    7: map<double, string> struct3_member7
+}
+
+struct test_struct4 {
+    1: i32 struct4_member1,
+    2: optional i32 struct4_member2
+}
+
+struct test_struct5{
+    1: double struct5_member1,
+    2: string struct5_member2 = "Thrift Audit Test"
+}
+struct test_struct6 {
+    1: i32 struct6_member1,
+    2: i32 struct6_member2
+}
+
+service base {
+    oneway void base_oneway(
+        1: i32 arg1),
+
+    void base_function1(
+        1: i16 function1_arg1,
+        2: i32 function1_arg2,
+        3: i64 function1_arg3,
+        4: double function1_arg4,
+        5: string function1_arg5,
+        6: bool function1_arg6,
+        7: test_enum1 function1_arg7,
+        8: test_struct1 function1_arg8),
+
+    void base_function2(
+        1: list<i16> function2_arg1,
+        2: list<i32> function2_arg2,
+        3: list<i64> function2_arg3,
+        4: list<double> function2_arg4,
+        5: list<string> function2_arg5,
+        6: list<bool> function2_arg6,
+        7: list<byte> function2_arg7,
+        8: list<test_enum1> function2_arg8,
+        9: list<test_struct1> function2_arg9) throws (1:test_exception2 e),
+
+    void base_function3(),
+
+}
+
+service derived1 extends base {
+    
+    test_enum1 derived1_function1(
+        1: i64 function1_arg1,
+        2: double function1_arg2,
+        3: test_enum1 function1_arg3) throws (1:test_exception2 e),
+
+    i64 derived1_function2(
+        1: list<i64> function2_arg1,
+        2: list<double> function2_arg2,
+        3: list<string> function2_arg3,
+        4: list<byte> function2_arg4,
+        5: list<test_enum1> function2_arg5) throws (1:test_exception2 e),
+
+    double derived1_function3(
+        1: string function3_arg1,
+        2: bool function3_arg2) throws (1:test_exception2 e),
+
+    string derived1_function4(
+        1: string function4_arg1,
+        2: bool function4_arg2) throws (1:test_exception2 e),
+
+
+    bool derived1_function5(
+        1: map<i64, double> function5_arg1,
+        2: map<string, bool> function5_arg2,
+        3: map<test_enum1, test_enum2> function5_arg3) throws (1:test_exception2 e),
+
+    test_struct1 derived1_function6(
+        1: double function6_arg1) throws (1:test_exception2 e),
+}
+
+service derived2 extends base {
+
+    list<i32> derived2_function1(
+        1: i32 function1_arg1) throws (1:test_exception2 e),
+    
+    list<test_enum1> derived2_function2(
+        1:i64 function2_arg2) throws (1:test_exception2 e),
+
+    list<test_struct1> derived2_function3(
+        1:double function3_arg1) throws(1:test_exception2 e),
+
+    map<double, string> derived2_function4(
+        1:string function4_arg1) throws(1:test_exception2 e),
+
+    map<test_enum1, test_enum2> derived2_function5(
+        1:bool function5_arg1) throws(1:test_exception2 e),
+
+    map<test_struct1, test_struct2> derived2_function6(
+        1:bool function6_arg1) throws(1:test_exception2 e),
+    
+}
diff --git a/test/audit/break8.thrift b/test/audit/break8.thrift
new file mode 100644
index 0000000..9acac09
--- /dev/null
+++ b/test/audit/break8.thrift
@@ -0,0 +1,191 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+//break8 - requiredness addedd in struct5
+
+namespace cpp test
+
+//Constants
+const i32 const1 = 123;
+const double const2 = 23.3;
+const map<string,string> const3 = {"hello":"world", "thrift":"audit"};
+
+
+//Exception
+exception test_exception1 {
+    1: i32 code;
+    2: string json;
+}
+exception test_exception2 {
+    1: i32 code;
+    2: string json;
+}
+
+//Enums
+
+enum test_enum1 {
+    enum1_value0 = 0,
+    enum1_value1 = 1,
+    enum1_value2 = 2,
+    enum1_value5 = 5,
+    enum1_value7 = 7,
+    enum1_value8 = 8
+}
+
+enum test_enum2 {
+    enum2_value0 = 0,
+    enum2_value1 = 1,
+    enum2_value2 = 2,
+    enum2_value3 = 3
+}
+
+enum test_enum3 {
+    enum3_value1 = 0,
+    enum3_value2 = 1
+}
+
+struct test_struct1 {
+    1: i16 struct1_member1,
+    2: i32 struct1_member2,
+    3: i64 struct1_member3,
+    4: double struct1_member4 = 2.5,
+    5: string struct1_member5 = "Audit test",
+    6: bool struct1_member6,
+    7: byte struct1_member7,
+    8: binary struct1_member8,
+    9: test_enum1 struct1_member9
+}
+
+struct test_struct2 {
+    1: list<i16> struct2_member1,
+    2: list<i32> struct2_member2,
+    3: list<i64> struct2_member3 = [23, 32 ],
+    4: list<double> struct2_member4,
+    5: list<string> struct2_member5,
+    6: list<bool> struct2_member6,
+    7: list<byte> struct2_member7,
+    8: list<binary> struct2_member8,
+    9: list<test_enum1> struct2_member9
+}
+
+struct test_struct3 {
+    1: map<i16, i32> struct3_member1 = {1:2, 3:4},
+    2: map<i64, double> struct3_member2 = {10:1.1, 20:2.1},
+    3: map<string, bool> struct3_member3,
+    4: map<byte, test_enum1> struct3_member4,
+    5: map<test_enum2, test_enum3 > struct3_member5,
+    7: map<double, string> struct3_member7
+}
+
+struct test_struct4 {
+    1: i32 struct4_member1,
+    2: optional i32 struct4_member2
+}
+
+struct test_struct5{
+    1: double struct5_member1,
+    2: required string struct5_member2 = "Thrift Audit Test"
+}
+struct test_struct6 {
+    1: i32 struct6_member1,
+    2: required i32 struct6_member2
+}
+
+service base {
+    oneway void base_oneway(
+        1: i32 arg1),
+
+    void base_function1(
+        1: i16 function1_arg1,
+        2: i32 function1_arg2,
+        3: i64 function1_arg3,
+        4: double function1_arg4,
+        5: string function1_arg5,
+        6: bool function1_arg6,
+        7: test_enum1 function1_arg7,
+        8: test_struct1 function1_arg8),
+
+    void base_function2(
+        1: list<i16> function2_arg1,
+        2: list<i32> function2_arg2,
+        3: list<i64> function2_arg3,
+        4: list<double> function2_arg4,
+        5: list<string> function2_arg5,
+        6: list<bool> function2_arg6,
+        7: list<byte> function2_arg7,
+        8: list<test_enum1> function2_arg8,
+        9: list<test_struct1> function2_arg9) throws (1:test_exception2 e),
+
+    void base_function3(),
+
+}
+
+service derived1 extends base {
+    
+    test_enum1 derived1_function1(
+        1: i64 function1_arg1,
+        2: double function1_arg2,
+        3: test_enum1 function1_arg3) throws (1:test_exception2 e),
+
+    i64 derived1_function2(
+        1: list<i64> function2_arg1,
+        2: list<double> function2_arg2,
+        3: list<string> function2_arg3,
+        4: list<byte> function2_arg4,
+        5: list<test_enum1> function2_arg5) throws (1:test_exception2 e),
+
+    double derived1_function3(
+        1: string function3_arg1,
+        2: bool function3_arg2) throws (1:test_exception2 e),
+
+    string derived1_function4(
+        1: string function4_arg1,
+        2: bool function4_arg2) throws (1:test_exception2 e),
+
+
+    bool derived1_function5(
+        1: map<i64, double> function5_arg1,
+        2: map<string, bool> function5_arg2,
+        3: map<test_enum1, test_enum2> function5_arg3) throws (1:test_exception2 e),
+
+    test_struct1 derived1_function6(
+        1: double function6_arg1) throws (1:test_exception2 e),
+}
+
+service derived2 extends base {
+
+    list<i32> derived2_function1(
+        1: i32 function1_arg1) throws (1:test_exception2 e),
+    
+    list<test_enum1> derived2_function2(
+        1:i64 function2_arg2) throws (1:test_exception2 e),
+
+    list<test_struct1> derived2_function3(
+        1:double function3_arg1) throws(1:test_exception2 e),
+
+    map<double, string> derived2_function4(
+        1:string function4_arg1) throws(1:test_exception2 e),
+
+    map<test_enum1, test_enum2> derived2_function5(
+        1:bool function5_arg1) throws(1:test_exception2 e),
+
+    map<test_struct1, test_struct2> derived2_function6(
+        1:bool function6_arg1) throws(1:test_exception2 e),
+    
+}
diff --git a/test/audit/break9.thrift b/test/audit/break9.thrift
new file mode 100644
index 0000000..62b319d
--- /dev/null
+++ b/test/audit/break9.thrift
@@ -0,0 +1,190 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+//break9 - Struct field removed from struct1
+
+
+namespace cpp test
+//Constants
+
+const i32 const1 = 123;
+const double const2 = 23.3;
+const map<string,string> const3 = {"hello":"world", "thrift":"audit"};
+
+//Exception
+exception test_exception1 {
+    1: i32 code;
+    2: string json;
+}
+exception test_exception2 {
+    1: i32 code;
+    2: string json;
+}
+
+//Enums
+
+enum test_enum1 {
+    enum1_value0 = 0,
+    enum1_value1 = 1,
+    enum1_value2 = 2,
+    enum1_value5 = 5,
+    enum1_value7 = 7,
+    enum1_value8 = 8
+}
+
+enum test_enum2 {
+    enum2_value0 = 0,
+    enum2_value1 = 1,
+    enum2_value2 = 2,
+    enum2_value3 = 3
+}
+
+enum test_enum3 {
+    enum3_value1 = 0,
+    enum3_value2 = 1
+}
+
+struct test_struct1 {
+    1: i16 struct1_member1,
+    2: i32 struct1_member2,
+    3: i64 struct1_member3,
+    4: double struct1_member4 = 2.5,
+    5: string struct1_member5 = "Audit test",
+    6: bool struct1_member6,
+    8: binary struct1_member8,
+    9: test_enum1 struct1_member9
+}
+
+struct test_struct2 {
+    1: list<i16> struct2_member1,
+    2: list<i32> struct2_member2,
+    3: list<i64> struct2_member3 = [23, 32 ],
+    4: list<double> struct2_member4,
+    5: list<string> struct2_member5,
+    6: list<bool> struct2_member6,
+    7: list<byte> struct2_member7,
+    8: list<binary> struct2_member8,
+    9: list<test_enum1> struct2_member9
+}
+
+struct test_struct3 {
+    1: map<i16, i32> struct3_member1 = {1:2, 3:4},
+    2: map<i64, double> struct3_member2 = {10:1.1, 20:2.1},
+    3: map<string, bool> struct3_member3,
+    4: map<byte, test_enum1> struct3_member4,
+    5: map<test_enum2, test_enum3 > struct3_member5,
+    7: map<double, string> struct3_member7
+}
+
+struct test_struct4 {
+    1: i32 struct4_member1,
+    2: optional i32 struct4_member2
+}
+
+struct test_struct5{
+    1: double struct5_member1,
+    2: string struct5_member2 = "Thrift Audit Test"
+}
+struct test_struct6 {
+    1: i32 struct6_member1,
+    2: required i32 struct6_member2
+}
+
+service base {
+    oneway void base_oneway(
+        1: i32 arg1),
+
+    void base_function1(
+        1: i16 function1_arg1,
+        2: i32 function1_arg2,
+        3: i64 function1_arg3,
+        4: double function1_arg4,
+        5: string function1_arg5,
+        6: bool function1_arg6,
+        7: test_enum1 function1_arg7,
+        8: test_struct1 function1_arg8),
+
+    void base_function2(
+        1: list<i16> function2_arg1,
+        2: list<i32> function2_arg2,
+        3: list<i64> function2_arg3,
+        4: list<double> function2_arg4,
+        5: list<string> function2_arg5,
+        6: list<bool> function2_arg6,
+        7: list<byte> function2_arg7,
+        8: list<test_enum1> function2_arg8,
+        9: list<test_struct1> function2_arg9) throws (1:test_exception2 e),
+
+    void base_function3(),
+
+}
+
+service derived1 extends base {
+    
+    test_enum1 derived1_function1(
+        1: i64 function1_arg1,
+        2: double function1_arg2,
+        3: test_enum1 function1_arg3) throws (1:test_exception2 e),
+
+    i64 derived1_function2(
+        1: list<i64> function2_arg1,
+        2: list<double> function2_arg2,
+        3: list<string> function2_arg3,
+        4: list<byte> function2_arg4,
+        5: list<test_enum1> function2_arg5) throws (1:test_exception2 e),
+
+    double derived1_function3(
+        1: string function3_arg1,
+        2: bool function3_arg2) throws (1:test_exception2 e),
+
+    string derived1_function4(
+        1: string function4_arg1,
+        2: bool function4_arg2) throws (1:test_exception2 e),
+
+
+    bool derived1_function5(
+        1: map<i64, double> function5_arg1,
+        2: map<string, bool> function5_arg2,
+        3: map<test_enum1, test_enum2> function5_arg3) throws (1:test_exception2 e),
+
+    test_struct1 derived1_function6(
+        1: double function6_arg1) throws (1:test_exception2 e),
+}
+
+service derived2 extends base {
+
+    list<i32> derived2_function1(
+        1: i32 function1_arg1) throws (1:test_exception2 e),
+    
+    list<test_enum1> derived2_function2(
+        1:i64 function2_arg2) throws (1:test_exception2 e),
+
+    list<test_struct1> derived2_function3(
+        1:double function3_arg1) throws(1:test_exception2 e),
+
+    map<double, string> derived2_function4(
+        1:string function4_arg1) throws(1:test_exception2 e),
+
+    map<test_enum1, test_enum2> derived2_function5(
+        1:bool function5_arg1) throws(1:test_exception2 e),
+
+    map<test_struct1, test_struct2> derived2_function6(
+        1:bool function6_arg1) throws(1:test_exception2 e),
+    
+}
diff --git a/test/audit/test.thrift b/test/audit/test.thrift
new file mode 100644
index 0000000..e9834b3
--- /dev/null
+++ b/test/audit/test.thrift
@@ -0,0 +1,189 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+namespace cpp test
+
+//Constants
+const i32 const1 = 123;
+const double const2 = 23.3;
+const map<string,string> const3 = {"hello":"world", "thrift":"audit"};
+
+
+//Exception
+exception test_exception1 {
+    1: i32 code;
+    2: string json;
+}
+exception test_exception2 {
+    1: i32 code;
+    2: string json;
+}
+
+//Enums
+
+enum test_enum1 {
+    enum1_value0 = 0,
+    enum1_value1 = 1,
+    enum1_value2 = 2,
+    enum1_value5 = 5,
+    enum1_value7 = 7,
+    enum1_value8 = 8
+}
+
+enum test_enum2 {
+    enum2_value0 = 0,
+    enum2_value1 = 1,
+    enum2_value2 = 2,
+    enum2_value3 = 3
+}
+
+enum test_enum3 {
+    enum3_value1 = 0,
+    enum3_value2 = 1
+}
+
+struct test_struct1 {
+    1: i16 struct1_member1,
+    2: i32 struct1_member2,
+    3: i64 struct1_member3,
+    4: double struct1_member4 = 2.5,
+    5: string struct1_member5 = "Audit test",
+    6: bool struct1_member6,
+    7: byte struct1_member7,
+    8: binary struct1_member8,
+    9: test_enum1 struct1_member9
+}
+
+struct test_struct2 {
+    1: list<i16> struct2_member1,
+    2: list<i32> struct2_member2,
+    3: list<i64> struct2_member3 = [23, 32 ],
+    4: list<double> struct2_member4,
+    5: list<string> struct2_member5,
+    6: list<bool> struct2_member6,
+    7: list<byte> struct2_member7,
+    8: list<binary> struct2_member8,
+    9: list<test_enum1> struct2_member9
+}
+
+struct test_struct3 {
+    1: map<i16, i32> struct3_member1 = {1:2, 3:4},
+    2: map<i64, double> struct3_member2 = {10:1.1, 20:2.1},
+    3: map<string, bool> struct3_member3,
+    4: map<byte, test_enum1> struct3_member4,
+    5: map<test_enum2, test_enum3 > struct3_member5,
+    7: map<double, string> struct3_member7
+}
+
+struct test_struct4 {
+    1: i32 struct4_member1,
+    2: optional i32 struct4_member2
+}
+
+struct test_struct5{
+    1: double struct5_member1,
+    2: string struct5_member2 = "Thrift Audit Test"
+}
+struct test_struct6 {
+    1: i32 struct6_member1,
+    2: required i32 struct6_member2
+}
+
+service base {
+    oneway void base_oneway(
+        1: i32 arg1),
+
+    void base_function1(
+        1: i16 function1_arg1,
+        2: i32 function1_arg2,
+        3: i64 function1_arg3,
+        4: double function1_arg4,
+        5: string function1_arg5,
+        6: bool function1_arg6,
+        7: test_enum1 function1_arg7,
+        8: test_struct1 function1_arg8),
+
+    void base_function2(
+        1: list<i16> function2_arg1,
+        2: list<i32> function2_arg2,
+        3: list<i64> function2_arg3,
+        4: list<double> function2_arg4,
+        5: list<string> function2_arg5,
+        6: list<bool> function2_arg6,
+        7: list<byte> function2_arg7,
+        8: list<test_enum1> function2_arg8,
+        9: list<test_struct1> function2_arg9) throws (1:test_exception2 e),
+
+    void base_function3(),
+
+}
+
+service derived1 extends base {
+    
+    test_enum1 derived1_function1(
+        1: i64 function1_arg1,
+        2: double function1_arg2,
+        3: test_enum1 function1_arg3) throws (1:test_exception2 e),
+
+    i64 derived1_function2(
+        1: list<i64> function2_arg1,
+        2: list<double> function2_arg2,
+        3: list<string> function2_arg3,
+        4: list<byte> function2_arg4,
+        5: list<test_enum1> function2_arg5) throws (1:test_exception2 e),
+
+    double derived1_function3(
+        1: string function3_arg1,
+        2: bool function3_arg2) throws (1:test_exception2 e),
+
+    string derived1_function4(
+        1: string function4_arg1,
+        2: bool function4_arg2) throws (1:test_exception2 e),
+
+
+    bool derived1_function5(
+        1: map<i64, double> function5_arg1,
+        2: map<string, bool> function5_arg2,
+        3: map<test_enum1, test_enum2> function5_arg3) throws (1:test_exception2 e),
+
+    test_struct1 derived1_function6(
+        1: double function6_arg1) throws (1:test_exception2 e),
+}
+
+service derived2 extends base {
+
+    list<i32> derived2_function1(
+        1: i32 function1_arg1) throws (1:test_exception2 e),
+    
+    list<test_enum1> derived2_function2(
+        1:i64 function2_arg2) throws (1:test_exception2 e),
+
+    list<test_struct1> derived2_function3(
+        1:double function3_arg1) throws(1:test_exception2 e),
+
+    map<double, string> derived2_function4(
+        1:string function4_arg1) throws(1:test_exception2 e),
+
+    map<test_enum1, test_enum2> derived2_function5(
+        1:bool function5_arg1) throws(1:test_exception2 e),
+
+    map<test_struct1, test_struct2> derived2_function6(
+        1:bool function6_arg1) throws(1:test_exception2 e),
+    
+}
diff --git a/test/audit/thrift_audit_test.pl b/test/audit/thrift_audit_test.pl
new file mode 100644
index 0000000..69ed4dc
--- /dev/null
+++ b/test/audit/thrift_audit_test.pl
@@ -0,0 +1,261 @@
+#!/usr/bin/perl -w
+
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+
+#break1 - Thrift method removed from service base
+#break2 - Struct field changed in test_struct1(i16 to i32)
+#break3 - Struct field changed in test_struct1(enum1 to enum2)
+#break4 - Field type changed in test_struct1(bool to string)
+#break5- member field type changed in test_struct1(bool to list<bool>)
+#break6-  Field type changed in test_struct2 (list<double> to list<i16>)
+#break7 - requiredness removed in struct6
+#break8 - requiredness addedd in struct5
+#break9 - Struct field removed from struct1
+#break10 - Struct field removed from struct2 id = 1
+#break11 - Struct field removed from struct3 last id
+#break12 -  derived1_function1 return type changed from enum1 to enum2
+#break13 - derived1_function6 return type changed from struct1 to struct2
+#break14 -  derived1_function4 return type changed from string to double 
+#break15 - derived2_function1 return type changed from list<i32> to list<i16>
+#break16 - derived2_function5 return type changed from map<test_enum1,test_enum2> to map<test_enum3, test_enum2>
+#break17 - derived2_function6 return type changed from map<struct1,struct2> to map<struct1, struct3>
+#break18- oneway removed from base_oneway
+#break19 - oneway added to base_function1
+#break20 - first enum value removed from enum1
+#break21- last enum value removed from enum2
+#break22 - in-between enum value removed from enum1
+#break23 - required struct field added to struct4
+#break24 - removed inheritance of derived1.
+#break25 - changed inheritance of derived2.
+#break26 - Field type changed in base_function1 argument id=3
+#break27 - argument changed base_function2 list<enum1> to list<enum3> id =8
+#break28- derived1_function5 arguement type changed map<i64, double> to list<i64>
+#break29 - base_function2 arguemnt type changed list<string> to string
+#break30- derived1_function6 argument changed struct1 to map<struct1,struct1>
+#break31 - Exception removed to base_function2
+#break32- Exception1 field type changed for id =1
+#break33 - derived1_function1 exception type changed.
+#break34 - Field added to struct with Field ID being in between two existing field IDs
+
+#warning.thrift
+#Changing defaults
+#Id=1 struct5
+#id=2 struct5 
+#id=4 struct2(list<double>)
+#id=3 struct2(list<i64>  default values removed)
+#id 4 struct1 change in double value
+#id 5 struct1 (default string value removed)
+#id=1 struct3 (change in map values)
+#id2 struct3 (change in map keys)
+
+#change in inheritance for derived1 and derived2
+
+#change in struct field names
+#id9 struct1
+#id2 struct2
+
+use strict;
+use warnings;
+use Getopt::Std;
+
+# globals
+my $gArguments = "";                # arguments that will be passed to AuditTool
+my $gAuditToolPath = "";
+my $gPreviousThriftPath;            # previous thrift path
+my $gCurrentThriftPath;             # current thrift path
+my $gThriftFileFolder;
+my $gBreakingFilesCount =34; 
+
+my $gVerbose = 0;
+#functions
+sub auditBreakingChanges;
+sub auditNonBreakingChanges;
+
+main();
+
+sub main
+{
+    parseOptions();
+    auditBreakingChanges();
+    auditNonBreakingChanges();
+}
+
+sub parseOptions
+{
+    my %options = ();
+    if ( getopts ('vf:o:t:',\%options) )
+    {
+        # current (new) thrift folder
+        if ($options{'f'})
+        {
+            $gThriftFileFolder = $options{'f'};
+            $gPreviousThriftPath = $gThriftFileFolder."/test.thrift";
+        }
+        else
+        {
+            die "Missing Folder containing thrift files\n";
+        }
+
+        if($options{'t'})
+        {
+            $gAuditToolPath = $options{'t'};
+        }
+        else
+        {
+            die "Audit Tool Path required \n";
+        }
+
+        if ($options{'v'})
+        {
+            $gVerbose = 1;
+        }
+
+    }
+}
+
+sub auditBreakingChanges
+{
+    my $breakingFileBaseName = $gThriftFileFolder."/break";
+    my $newThriftFile;
+    for(my $i=1; $i <= $gBreakingFilesCount; $i++)
+    {
+        $newThriftFile = $breakingFileBaseName."$i.thrift";
+        my $arguments =  $gPreviousThriftPath." ".$newThriftFile;
+        my ($exitCode, $output) = callThriftAuditTool($arguments);
+        print $output if $gVerbose eq 1;
+
+        if($exitCode == 1)
+        {
+            # thrift_audit returns 1 when it is not able to find files or other non-audit failures
+            print "exiting with exit code =1 i = ".$i."\n";
+            print $output;
+            exit $exitCode;
+        }
+        if($exitCode != 2)
+        {
+            # thrift-audit return 2 for audit failures. So for Breaking changes we should get 2 as return value.
+            print $output;
+            die "\nTEST FAILURE: Breaking Change not detected for thrift file $newThriftFile, code=$exitCode \n";
+        }
+        if(index($output,getMessageSubString("break$i")) == -1)
+        {
+            #Audit tool detected failure, but not the expected one. The change in breaking thrift file does not match getMessageSubString()
+            print $output;
+            die "\nTest FAILURE: Audit tool detected failure, but not the expected one!\n";
+        }
+        else
+        {
+            #Thrift audit tool has detected audit failure and has returned exited to status code 2
+            print "Test Pass: Audit Failure detected for thrift file break$i.thrift \n";
+        }
+    }
+
+}
+
+sub auditNonBreakingChanges
+{
+    my $breakingFileBaseName = $gThriftFileFolder."/warning";
+    my $newThriftFile;
+    $newThriftFile = $breakingFileBaseName.".thrift";
+    my $arguments =  $gPreviousThriftPath." ".$newThriftFile;
+    my ($exitCode, $output) = callThriftAuditTool($arguments);
+    print $output if $gVerbose eq 1;
+
+    if($exitCode == 1)
+    {
+        # thrift_audit returns 1 when it is not able to find files or other non-audit failures
+        print "exiting with exit code = 1  for file warning.thrift\n";
+        exit $exitCode;
+    }
+    elsif($exitCode != 0)
+    {
+        # thrift-audit return 0 if there are no audit failures.
+        die "\nTEST FAILURE: Non Breaking changes returned failure for thrift file $newThriftFile \n";
+    }
+    else
+    {
+        #Thrift audit tool has exited with status 0. 
+        print "Test Pass: Audit tool exits with success for warnings \n";
+    }
+
+
+}
+
+# -----------------------------------------------------------------------------------------------------
+# call thriftAuditTool script
+sub callThriftAuditTool ( $ )
+{
+    my $args = shift;
+
+    my $command = "$gAuditToolPath --audit $args";
+    my $output = `$command 2>&1`;
+    my $exitCode = $? >> 8;
+
+    return ($exitCode,$output);
+}
+
+sub getMessageSubString( $ )
+{
+    my $fileName = shift;
+    my %lookupTable = (
+        "break1"  => "base_function3",
+        "break2"  => "test_struct1",
+        "break3"  => "test_struct1",
+        "break4"  => "test_struct1",
+        "break5"  => "test_struct1",
+        "break6"  => "test_struct2",
+        "break7"  => "test_struct6",
+        "break8"  => "test_struct5",
+        "break9"  => "test_struct1",
+        "break10" => "test_struct2",
+        "break11" => "test_struct3",
+        "break12" => "derived1_function1",
+        "break13" => "derived1_function6",
+        "break14" => "derived1_function4",
+        "break15" => "derived2_function1",
+        "break16" => "derived2_function5",
+        "break17" => "derived2_function6",
+        "break18" => "base_oneway",
+        "break19" => "base_function1",
+        "break20" => "test_enum1",
+        "break21" => "test_enum2",
+        "break22" => "test_enum1",
+        "break23" => "test_struct4",
+        "break24" => "derived1",
+        "break25" => "derived2",
+        "break26" => "base_function1",
+        "break27" => "base_function2_args",
+        "break28" => "derived1_function5_args",
+        "break29" => "base_function2_args",
+        "break30" => "derived1_function6",
+        "break31" => "base_function2_exception",
+        "break32" => "test_exception1",
+        "break33" => "derived1_function1_exception",
+        "break34" => "test_struct3",
+    );
+    if (not exists $lookupTable{ $fileName })
+    {
+        print "in the null case\n";
+        return "NULL";
+    }
+    
+    my $retval = $lookupTable{ $fileName };
+    print "$fileName => $retval\n";
+    return $lookupTable{ $fileName };
+}
diff --git a/test/audit/warning.thrift b/test/audit/warning.thrift
new file mode 100644
index 0000000..5392d5c
--- /dev/null
+++ b/test/audit/warning.thrift
@@ -0,0 +1,190 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+
+namespace cpp test
+
+//Constants
+
+const i32 const1 = 123;
+const double const2 = 23.2;
+const map<string,string> const3 = {"hello":"class", "thrift":"audit"};
+
+//Exception
+exception test_exception1 {
+    1: i32 code;
+    2: string json;
+}
+exception test_exception2 {
+    1: i32 code;
+    2: string json;
+}
+
+//Enums
+
+enum test_enum1 {
+    enum1_value0 = 0,
+    enum1_value1 = 1,
+    enum1_value2 = 2,
+    enum1_value5 = 5,
+    enum1_value7 = 7,
+    enum1_value8 = 8
+}
+
+enum test_enum2 {
+    enum2_value0 = 0,
+    enum2_value1 = 1,
+    enum2_value2 = 2,
+    enum2_value3 = 3
+}
+
+enum test_enum3 {
+    enum3_value1 = 0,
+    enum3_value2 = 1
+}
+
+struct test_struct1 {
+    1: i16 struct1_member1,
+    2: i32 struct1_member2,
+    3: i64 struct1_member3,
+    4: double struct1_member4 = 2.4,
+    5: string struct1_member5,
+    6: bool struct1_member6,
+    7: byte struct1_member7,
+    8: binary struct1_member8,
+    9: test_enum1 changed19
+}
+
+struct test_struct2 {
+    1: list<i16> struct2_member1,
+    2: list<i32> changed22,
+    3: list<i64> struct2_member3,
+    4: list<double> struct2_member4 =[1.0, 2.1],
+    5: list<string> struct2_member5,
+    6: list<bool> struct2_member6,
+    7: list<byte> struct2_member7,
+    8: list<binary> struct2_member8,
+    9: list<test_enum1> struct2_member9
+}
+
+struct test_struct3 {
+    1: map<i16, i32> struct3_member1 = {1:10, 2:20},
+    2: map<i64, double> struct3_member2 = {1:1.1, 2:2.1},
+    3: map<string, bool> struct3_member3,
+    4: map<byte, test_enum1> struct3_member4,
+    5: map<test_enum2, test_enum3 > struct3_member5,
+    7: map<double, string> struct3_member7
+}
+
+struct test_struct4 {
+    1: i32 struct4_member1,
+    2: optional i32 struct4_member2
+}
+
+struct test_struct5{
+    1: double struct5_member1 = 1.1,
+    2: string struct5_member2 = "Thrift Audit Tess"
+}
+struct test_struct6 {
+    1: i32 struct6_member1,
+    2: required i32 struct6_member2
+}
+
+service base {
+    oneway void base_oneway(
+        1: i32 arg1),
+
+    void base_function1(
+        1: i16 function1_arg1,
+        2: i32 function1_arg2,
+        3: i64 function1_arg3,
+        4: double function1_arg4,
+        5: string function1_arg5,
+        6: bool function1_arg6,
+        7: test_enum1 function1_arg7,
+        8: test_struct1 function1_arg8),
+
+    void base_function2(
+        1: list<i16> function2_arg1,
+        2: list<i32> function2_arg2,
+        3: list<i64> function2_arg3,
+        4: list<double> function2_arg4,
+        5: list<string> function2_arg5,
+        6: list<bool> function2_arg6,
+        7: list<byte> function2_arg7,
+        8: list<test_enum1> function2_arg8,
+        9: list<test_struct1> function2_arg9) throws (1:test_exception2 e),
+
+    void base_function3(),
+
+}
+
+service derived1 extends base{
+    
+    test_enum1 derived1_function1(
+        1: i64 function1_arg1,
+        2: double function1_arg2,
+        3: test_enum1 function1_arg3) throws (1:test_exception2 e),
+
+    i64 derived1_function2(
+        1: list<i64> function2_arg1,
+        2: list<double> function2_arg2,
+        3: list<string> function2_arg3,
+        4: list<byte> function2_arg4,
+        5: list<test_enum1> function2_arg5) throws (1:test_exception2 e),
+
+    double derived1_function3(
+        1: string function3_arg1,
+        2: bool function3_arg2) throws (1:test_exception2 e),
+
+    string derived1_function4(
+        1: string function4_arg1,
+        2: bool function4_arg2) throws (1:test_exception2 e),
+
+
+    bool derived1_function5(
+        1: map<i64, double> function5_arg1,
+        2: map<string, bool> function5_arg2,
+        3: map<test_enum1, test_enum2> function5_arg3) throws (1:test_exception2 e),
+
+    test_struct1 derived1_function6(
+        1: double function6_arg1) throws (1:test_exception2 e),
+}
+
+service derived2 extends base {
+
+    list<i32> derived2_function1(
+        1: i32 function1_arg1) throws (1:test_exception2 e),
+    
+    list<test_enum1> derived2_function2(
+        1:i64 function2_arg2) throws (1:test_exception2 e),
+
+    list<test_struct1> derived2_function3(
+        1:double function3_arg1) throws(1:test_exception2 e),
+
+    map<double, string> derived2_function4(
+        1:string function4_arg1) throws(1:test_exception2 e),
+
+    map<test_enum1, test_enum2> derived2_function5(
+        1:bool function5_arg1) throws(1:test_exception2 e),
+
+    map<test_struct1, test_struct2> derived2_function6(
+        1:bool function6_arg1) throws(1:test_exception2 e),
+    
+}