diff --git a/test/v0.16/ThriftTest.thrift b/test/v0.16/ThriftTest.thrift
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@@ -0,0 +1,418 @@
+/*
+ * 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.
+ *
+ * Contains some contributions under the Thrift Software License.
+ * Please see doc/old-thrift-license.txt in the Thrift distribution for
+ * details.
+ */
+
+namespace c_glib TTest
+namespace cpp thrift.test
+namespace delphi Thrift.Test
+namespace go thrifttest
+namespace java thrift.test
+namespace js ThriftTest
+namespace lua ThriftTest
+namespace netstd ThriftTest
+namespace perl ThriftTest
+namespace php ThriftTest
+namespace py ThriftTest
+namespace py.twisted ThriftTest
+namespace rb Thrift.Test
+namespace st ThriftTest
+namespace xsd test (uri = 'http://thrift.apache.org/ns/ThriftTest')
+
+// Presence of namespaces and sub-namespaces for which there is
+// no generator should compile with warnings only
+namespace noexist ThriftTest
+namespace cpp.noexist ThriftTest
+
+namespace * thrift.test
+
+/**
+ * Docstring!
+ */
+enum Numberz
+{
+  ONE = 1,
+  TWO,
+  THREE,
+  FIVE = 5,
+  SIX,
+  EIGHT = 8
+}
+
+const Numberz myNumberz = Numberz.ONE;
+// the following is expected to fail:
+// const Numberz urNumberz = ONE;
+
+typedef i64 UserId
+
+struct Bonk
+{
+  1: string message,
+  2: i32 type
+}
+
+typedef map<string,Bonk> MapType
+
+struct Bools {
+  1: bool im_true,
+  2: bool im_false,
+}
+
+struct Xtruct
+{
+  1:  string string_thing,
+  4:  i8     byte_thing,
+  9:  i32    i32_thing,
+  11: i64    i64_thing
+}
+
+struct Xtruct2
+{
+  1: i8     byte_thing,  // used to be byte, hence the name
+  2: Xtruct struct_thing,
+  3: i32    i32_thing
+}
+
+struct Xtruct3
+{
+  1:  string string_thing,
+  4:  i32    changed,
+  9:  i32    i32_thing,
+  11: i64    i64_thing
+}
+
+
+struct Insanity
+{
+  1: map<Numberz, UserId> userMap,
+  2: list<Xtruct> xtructs
+} (python.immutable= "")
+
+struct CrazyNesting {
+  1: string string_field,
+  2: optional set<Insanity> set_field,
+  // Do not insert line break as test/go/Makefile.am is removing this line with pattern match
+  3: required list<map<set<i32> (python.immutable = ""), map<i32,set<list<map<Insanity,string>(python.immutable = "")> (python.immutable = "")>>>> list_field,
+  4: binary binary_field
+}
+
+union SomeUnion {
+  1: map<Numberz, UserId> map_thing,
+  2: string string_thing,
+  3: i32 i32_thing,
+  4: Xtruct3 xtruct_thing,
+  5: Insanity insanity_thing
+}
+
+exception Xception {
+  1: i32 errorCode,
+  2: string message
+}
+
+exception Xception2 {
+  1: i32 errorCode,
+  2: Xtruct struct_thing
+}
+
+struct EmptyStruct {}
+
+struct OneField {
+  1: EmptyStruct field
+}
+
+service ThriftTest
+{
+  /**
+   * Prints "testVoid()" and returns nothing.
+   */
+  void         testVoid(),
+
+  /**
+   * Prints 'testString("%s")' with thing as '%s'
+   * @param string thing - the string to print
+   * @return string - returns the string 'thing'
+   */
+  string       testString(1: string thing),
+
+  /**
+   * Prints 'testBool("%s")' where '%s' with thing as 'true' or 'false'
+   * @param bool  thing - the bool data to print
+   * @return bool  - returns the bool 'thing'
+   */
+  bool         testBool(1: bool thing),
+
+  /**
+   * Prints 'testByte("%d")' with thing as '%d'
+   * The types i8 and byte are synonyms, use of i8 is encouraged, byte still exists for the sake of compatibility.
+   * @param byte thing - the i8/byte to print
+   * @return i8 - returns the i8/byte 'thing'
+   */
+  i8           testByte(1: i8 thing),
+
+  /**
+   * Prints 'testI32("%d")' with thing as '%d'
+   * @param i32 thing - the i32 to print
+   * @return i32 - returns the i32 'thing'
+   */
+  i32          testI32(1: i32 thing),
+
+  /**
+   * Prints 'testI64("%d")' with thing as '%d'
+   * @param i64 thing - the i64 to print
+   * @return i64 - returns the i64 'thing'
+   */
+  i64          testI64(1: i64 thing),
+
+  /**
+   * Prints 'testDouble("%f")' with thing as '%f'
+   * @param double thing - the double to print
+   * @return double - returns the double 'thing'
+   */
+  double       testDouble(1: double thing),
+
+  /**
+   * Prints 'testBinary("%s")' where '%s' is a hex-formatted string of thing's data
+   * @param binary  thing - the binary data to print
+   * @return binary  - returns the binary 'thing'
+   */
+  binary       testBinary(1: binary thing),
+
+  /**
+   * Prints 'testStruct("{%s}")' where thing has been formatted into a string of comma separated values
+   * @param Xtruct thing - the Xtruct to print
+   * @return Xtruct - returns the Xtruct 'thing'
+   */
+  Xtruct       testStruct(1: Xtruct thing),
+
+  /**
+   * Prints 'testNest("{%s}")' where thing has been formatted into a string of the nested struct
+   * @param Xtruct2 thing - the Xtruct2 to print
+   * @return Xtruct2 - returns the Xtruct2 'thing'
+   */
+  Xtruct2      testNest(1: Xtruct2 thing),
+
+  /**
+   * Prints 'testMap("{%s")' where thing has been formatted into a string of 'key => value' pairs
+   *  separated by commas and new lines
+   * @param map<i32,i32> thing - the map<i32,i32> to print
+   * @return map<i32,i32> - returns the map<i32,i32> 'thing'
+   */
+  map<i32,i32> testMap(1: map<i32,i32> thing),
+
+  /**
+   * Prints 'testStringMap("{%s}")' where thing has been formatted into a string of 'key => value' pairs
+   *  separated by commas and new lines
+   * @param map<string,string> thing - the map<string,string> to print
+   * @return map<string,string> - returns the map<string,string> 'thing'
+   */
+  map<string,string> testStringMap(1: map<string,string> thing),
+
+  /**
+   * Prints 'testSet("{%s}")' where thing has been formatted into a string of values
+   *  separated by commas and new lines
+   * @param set<i32> thing - the set<i32> to print
+   * @return set<i32> - returns the set<i32> 'thing'
+   */
+  set<i32>     testSet(1: set<i32> thing),
+
+  /**
+   * Prints 'testList("{%s}")' where thing has been formatted into a string of values
+   *  separated by commas and new lines
+   * @param list<i32> thing - the list<i32> to print
+   * @return list<i32> - returns the list<i32> 'thing'
+   */
+  list<i32>    testList(1: list<i32> thing),
+
+  /**
+   * Prints 'testEnum("%d")' where thing has been formatted into its numeric value
+   * @param Numberz thing - the Numberz to print
+   * @return Numberz - returns the Numberz 'thing'
+   */
+  Numberz      testEnum(1: Numberz thing),
+
+  /**
+   * Prints 'testTypedef("%d")' with thing as '%d'
+   * @param UserId thing - the UserId to print
+   * @return UserId - returns the UserId 'thing'
+   */
+  UserId       testTypedef(1: UserId thing),
+
+  /**
+   * Prints 'testMapMap("%d")' with hello as '%d'
+   * @param i32 hello - the i32 to print
+   * @return map<i32,map<i32,i32>> - returns a dictionary with these values:
+   *   {-4 => {-4 => -4, -3 => -3, -2 => -2, -1 => -1, }, 4 => {1 => 1, 2 => 2, 3 => 3, 4 => 4, }, }
+   */
+  map<i32,map<i32,i32>> testMapMap(1: i32 hello),
+
+  /**
+   * So you think you've got this all worked out, eh?
+   *
+   * Creates a map with these values and prints it out:
+   *   { 1 => { 2 => argument,
+   *            3 => argument,
+   *          },
+   *     2 => { 6 => <empty Insanity struct>, },
+   *   }
+   * @return map<UserId, map<Numberz,Insanity>> - a map with the above values
+   */
+  map<UserId, map<Numberz,Insanity>> testInsanity(1: Insanity argument),
+
+  /**
+   * Prints 'testMulti()'
+   * @param i8 arg0 -
+   * @param i32 arg1 -
+   * @param i64 arg2 -
+   * @param map<i16, string> arg3 -
+   * @param Numberz arg4 -
+   * @param UserId arg5 -
+   * @return Xtruct - returns an Xtruct with string_thing = "Hello2, byte_thing = arg0, i32_thing = arg1
+   *    and i64_thing = arg2
+   */
+  Xtruct testMulti(1: i8 arg0, 2: i32 arg1, 3: i64 arg2, 4: map<i16, string> arg3, 5: Numberz arg4, 6: UserId arg5),
+
+  /**
+   * Print 'testException(%s)' with arg as '%s'
+   * @param string arg - a string indication what type of exception to throw
+   * if arg == "Xception" throw Xception with errorCode = 1001 and message = arg
+   * else if arg == "TException" throw TException
+   * else do not throw anything
+   */
+  void testException(1: string arg) throws(1: Xception err1),
+
+  /**
+   * Print 'testMultiException(%s, %s)' with arg0 as '%s' and arg1 as '%s'
+   * @param string arg - a string indicating what type of exception to throw
+   * if arg0 == "Xception" throw Xception with errorCode = 1001 and message = "This is an Xception"
+   * else if arg0 == "Xception2" throw Xception2 with errorCode = 2002 and struct_thing.string_thing = "This is an Xception2"
+   * else do not throw anything
+   * @return Xtruct - an Xtruct with string_thing = arg1
+   */
+  Xtruct testMultiException(1: string arg0, 2: string arg1) throws(1: Xception err1, 2: Xception2 err2)
+
+  /**
+   * Print 'testOneway(%d): Sleeping...' with secondsToSleep as '%d'
+   * sleep 'secondsToSleep'
+   * Print 'testOneway(%d): done sleeping!' with secondsToSleep as '%d'
+   * @param i32 secondsToSleep - the number of seconds to sleep
+   */
+  oneway void testOneway(1:i32 secondsToSleep)
+}
+
+service SecondService
+{
+  /**
+   * Prints 'testString("%s")' with thing as '%s'
+   * @param string thing - the string to print
+   * @return string - returns the string 'thing'
+   */
+  string secondtestString(1: string thing)
+}
+
+struct VersioningTestV1 {
+       1: i32 begin_in_both,
+       3: string old_string,
+       12: i32 end_in_both
+}
+
+struct VersioningTestV2 {
+       1: i32 begin_in_both,
+
+       2: i32 newint,
+       3: i8 newbyte,
+       4: i16 newshort,
+       5: i64 newlong,
+       6: double newdouble
+       7: Bonk newstruct,
+       8: list<i32> newlist,
+       9: set<i32> newset,
+       10: map<i32, i32> newmap,
+       11: string newstring,
+       12: i32 end_in_both
+}
+
+struct ListTypeVersioningV1 {
+       1: list<i32> myints;
+       2: string hello;
+}
+
+struct ListTypeVersioningV2 {
+       1: list<string> strings;
+       2: string hello;
+}
+
+struct GuessProtocolStruct {
+  7: map<string,string> map_field,
+}
+
+struct LargeDeltas {
+  1: Bools b1,
+  10: Bools b10,
+  100: Bools b100,
+  500: bool check_true,
+  1000: Bools b1000,
+  1500: bool check_false,
+  2000: VersioningTestV2 vertwo2000,
+  2500: set<string> a_set2500,
+  3000: VersioningTestV2 vertwo3000,
+  4000: list<i32> big_numbers
+}
+
+struct NestedListsI32x2 {
+  1: list<list<i32>> integerlist
+}
+struct NestedListsI32x3 {
+  1: list<list<list<i32>>> integerlist
+}
+struct NestedMixedx2 {
+  1: list<set<i32>> int_set_list
+  2: map<i32,set<string>> map_int_strset
+  3: list<map<i32,set<string>>> map_int_strset_list
+}
+struct ListBonks {
+  1: list<Bonk> bonk
+}
+struct NestedListsBonk {
+  1: list<list<list<Bonk>>> bonk
+}
+
+struct BoolTest {
+  1: optional bool b = true;
+  2: optional string s = "true";
+}
+
+struct StructA {
+  1: required string s;
+}
+
+struct StructB {
+  1: optional StructA aa;
+  2: required StructA ab;
+}
+
+struct OptionalSetDefaultTest {
+  1: optional set<string> with_default = [ "test" ]
+}
+
+struct OptionalBinary {
+  1: optional set<binary> bin_set = {}
+  2: optional map<binary,i32> bin_map = {}
+}