diff --git a/lib/c_glib/test/CMakeLists.txt b/lib/c_glib/test/CMakeLists.txt
index cae8e51..94c87e2 100644
--- a/lib/c_glib/test/CMakeLists.txt
+++ b/lib/c_glib/test/CMakeLists.txt
@@ -130,6 +130,14 @@
 target_link_libraries(testthriftmemorybufferreadcheck testgenc)
 add_test(NAME testthriftmemorybufferreadcheck COMMAND testthriftmemorybufferreadcheck)
 
+if(WITH_ZLIB)
+  include_directories(SYSTEM "${ZLIB_INCLUDE_DIRS}")
+  add_executable(testzlibtransport testzlibtransport.c)
+  target_link_libraries(testzlibtransport testgenc ${ZLIB_LIBRARIES})
+  LINK_AGAINST_THRIFT_LIBRARY(testzlibtransport thrift_c_glib_zlib)
+  add_test(NAME testzlibtransport COMMAND testzlibtransport)
+endif(WITH_ZLIB)
+
 include_directories("${PROJECT_SOURCE_DIR}/test/c_glib/src" "${CMAKE_CURRENT_BINARY_DIR}/gen-c_glib")
 
 add_executable(testthrifttest testthrifttest.c
@@ -167,6 +175,12 @@
     target_link_libraries(testthrifttestclient testgenc testgenc_cpp ${ZLIB_LIBRARIES})
     add_test(NAME testthrifttestclient COMMAND testthrifttestclient)
 
+ if(WITH_ZLIB)
+    add_executable(testthrifttestzlibclient testthrifttestzlibclient.cpp)
+    target_link_libraries(testthrifttestzlibclient testgenc testgenc_cpp thriftz thrift_c_glib_zlib ${ZLIB_LIBRARIES})
+    add_test(NAME testthrifttestzlibclient COMMAND testthrifttestzlibclient)
+endif(WITH_ZLIB)
+
 endif(BUILD_CPP)
 
 #
diff --git a/lib/c_glib/test/Makefile.am b/lib/c_glib/test/Makefile.am
index 3ff48a3..023165a 100755
--- a/lib/c_glib/test/Makefile.am
+++ b/lib/c_glib/test/Makefile.am
@@ -40,7 +40,7 @@
 AM_CFLAGS = -g -Wall -Wextra -pedantic $(GLIB_CFLAGS) $(GOBJECT_CFLAGS) $(OPENSSL_INCLUDES) \
 	@GCOV_CFLAGS@
 AM_CXXFLAGS = $(AM_CFLAGS)
-AM_LDFLAGS = $(GLIB_LIBS) $(GOBJECT_LIBS) $(OPENSSL_LIBS) @GCOV_LDFLAGS@
+AM_LDFLAGS = $(GLIB_LIBS) $(GOBJECT_LIBS) $(OPENSSL_LIBS) $(ZLIB_LIBS) @GCOV_LDFLAGS@
 
 check_PROGRAMS = \
   testserialization \
@@ -52,6 +52,7 @@
   testcompactprotocol \
   testbufferedtransport \
   testframedtransport \
+  testzlibtransport \
   testfdtransport \
   testmemorybuffer \
   teststruct \
@@ -68,7 +69,8 @@
 
 if WITH_CPP
   BUILT_SOURCES += gen-cpp/ThriftTest_types.cpp
-  check_PROGRAMS += testthrifttestclient
+  check_PROGRAMS += testthrifttestclient \
+                    testthrifttestzlibclient
 endif
 
 testserialization_SOURCES = testserialization.c
@@ -158,6 +160,14 @@
     $(top_builddir)/lib/c_glib/src/thrift/c_glib/transport/libthrift_c_glib_la-thrift_server_socket.o \
     $(top_builddir)/lib/c_glib/src/thrift/c_glib/libthrift_c_glib_la-thrift_configuration.o 
 
+testzlibtransport_SOURCES = testzlibtransport.c
+testzlibtransport_LDADD = \
+    $(top_builddir)/lib/c_glib/src/thrift/c_glib/transport/libthrift_c_glib_la-thrift_transport.o \
+    $(top_builddir)/lib/c_glib/src/thrift/c_glib/transport/libthrift_c_glib_la-thrift_socket.o \
+    $(top_builddir)/lib/c_glib/src/thrift/c_glib/transport/libthrift_c_glib_la-thrift_server_transport.o \
+    $(top_builddir)/lib/c_glib/src/thrift/c_glib/transport/libthrift_c_glib_la-thrift_server_socket.o \
+    $(top_builddir)/lib/c_glib/src/thrift/c_glib/libthrift_c_glib_la-thrift_configuration.o 
+
 testfdtransport_SOURCES = testfdtransport.c
 testfdtransport_LDADD = \
     $(top_builddir)/lib/c_glib/src/thrift/c_glib/transport/libthrift_c_glib_la-thrift_transport.o \
@@ -258,6 +268,11 @@
 testthrifttestclient_LDADD = ../../cpp/.libs/libthrift.la ../libthrift_c_glib.la libtestgenc.la libtestgencpp.la
 testthrifttestclient_LDFLAGS = -L../.libs -L../../cpp/.libs $(GLIB_LIBS) $(GOBJECT_LIBS)
 
+testthrifttestzlibclient_SOURCES = testthrifttestzlibclient.cpp
+testthrifttestzlibclient_CPPFLAGS = -I../../cpp/src $(BOOST_CPPFLAGS) -I./gen-cpp -I../src -I./gen-c_glib $(GLIB_CFLAGS)
+testthrifttestzlibclient_LDADD = ../../cpp/.libs/libthrift.la ../../cpp/.libs/libthriftz.la ../libthrift_c_glib.la libtestgenc.la libtestgencpp.la
+testthrifttestzlibclient_LDFLAGS = -L../.libs -L../../cpp/.libs $(GLIB_LIBS) $(GOBJECT_LIBS)
+
 check_LTLIBRARIES = libtestgenc.la
 
 if WITH_CPP
diff --git a/lib/c_glib/test/testthrifttestzlibclient.cpp b/lib/c_glib/test/testthrifttestzlibclient.cpp
new file mode 100644
index 0000000..5c4b931
--- /dev/null
+++ b/lib/c_glib/test/testthrifttestzlibclient.cpp
@@ -0,0 +1,645 @@
+/*
+ * 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.
+ */
+
+/* test a C client with a C++ server  (that makes sense...) */
+
+#include <signal.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <thrift/protocol/TBinaryProtocol.h>
+#include <thrift/protocol/TDebugProtocol.h>
+#include <thrift/server/TSimpleServer.h>
+#include <memory>
+#include <thrift/transport/TServerSocket.h>
+#include <thrift/transport/TZlibTransport.h>
+#include "ThriftTest.h"
+#include "ThriftTest_types.h"
+
+#include <iostream>
+#include <map>
+#include <set>
+#include <string>
+#include <vector>
+
+using namespace apache::thrift;
+using namespace apache::thrift::concurrency;
+using namespace apache::thrift::protocol;
+using namespace apache::thrift::server;
+using namespace apache::thrift::transport;
+
+using namespace thrift::test;
+
+using std::cout;
+using std::endl;
+using std::fixed;
+using std::make_pair;
+using std::map;
+using std::set;
+using std::string;
+using std::vector;
+
+#define TEST_PORT 9980
+
+// Extra functions required for ThriftTest_types to work
+namespace thrift { namespace test {
+
+bool Insanity::operator<(thrift::test::Insanity const& other) const {
+  using apache::thrift::ThriftDebugString;
+  return ThriftDebugString(*this) < ThriftDebugString(other);
+}
+
+}}
+
+class TestHandler : public ThriftTestIf {
+  public:
+  TestHandler() = default;
+
+  void testVoid() override {
+    cout << "[C -> C++] testVoid()" << endl;
+  }
+
+  void testString(string& out, const string &thing) override {
+    cout << "[C -> C++] testString(\"" << thing << "\")" << endl;
+    out = thing;
+  }
+
+  bool testBool(const bool thing) override {
+    cout << "[C -> C++] testBool(" << (thing ? "true" : "false") << ")" << endl;
+    return thing;
+  }
+  int8_t testByte(const int8_t thing) override {
+    cout << "[C -> C++] testByte(" << (int)thing << ")" << endl;
+    return thing;
+  }
+  int32_t testI32(const int32_t thing) override {
+    cout << "[C -> C++] testI32(" << thing << ")" << endl;
+    return thing;
+  }
+
+  int64_t testI64(const int64_t thing) override {
+    cout << "[C -> C++] testI64(" << thing << ")" << endl;
+    return thing;
+  }
+
+  double testDouble(const double thing) override {
+    cout.precision(6);
+    cout << "[C -> C++] testDouble(" << fixed << thing << ")" << endl;
+    return thing;
+  }
+
+  void testBinary(string& out, const string &thing) override {
+    cout << "[C -> C++] testBinary(\"" << thing << "\")" << endl;
+    out = thing;
+  }
+
+  void testStruct(Xtruct& out, const Xtruct &thing) override {
+    cout << "[C -> C++] testStruct({\"" << thing.string_thing << "\", " << (int)thing.byte_thing << ", " << thing.i32_thing << ", " << thing.i64_thing << "})" << endl;
+    out = thing;
+  }
+
+  void testNest(Xtruct2& out, const Xtruct2& nest) override {
+    const Xtruct &thing = nest.struct_thing;
+    cout << "[C -> C++] testNest({" << (int)nest.byte_thing << ", {\"" << thing.string_thing << "\", " << (int)thing.byte_thing << ", " << thing.i32_thing << ", " << thing.i64_thing << "}, " << nest.i32_thing << "})" << endl;
+    out = nest;
+  }
+
+  void testMap(map<int32_t, int32_t> &out, const map<int32_t, int32_t> &thing) override {
+    cout << "[C -> C++] testMap({";
+    map<int32_t, int32_t>::const_iterator m_iter;
+    bool first = true;
+    for (m_iter = thing.begin(); m_iter != thing.end(); ++m_iter) {
+      if (first) {
+        first = false;
+      } else {
+        cout << ", ";
+      }
+      cout << m_iter->first << " => " << m_iter->second;
+    }
+    cout << "})" << endl;
+    out = thing;
+  }
+
+  void testStringMap(map<std::string, std::string> &out, const map<std::string, std::string> &thing) override {
+    cout << "[C -> C++] testStringMap({";
+    map<std::string, std::string>::const_iterator m_iter;
+    bool first = true;
+    for (m_iter = thing.begin(); m_iter != thing.end(); ++m_iter) {
+      if (first) {
+        first = false;
+      } else {
+        cout << ", ";
+      }
+      cout << "\"" << m_iter->first << "\" => \"" << m_iter->second << "\"";
+    }
+    cout << "})" << endl;
+    out = thing;
+  }
+
+
+  void testSet(set<int32_t> &out, const set<int32_t> &thing) override {
+    cout << "[C -> C++] testSet({";
+    set<int32_t>::const_iterator s_iter;
+    bool first = true;
+    for (s_iter = thing.begin(); s_iter != thing.end(); ++s_iter) {
+      if (first) {
+        first = false;
+      } else {
+        cout << ", ";
+      }
+      cout << *s_iter;
+    }
+    cout << "})" << endl;
+    out = thing;
+  }
+
+  void testList(vector<int32_t> &out, const vector<int32_t> &thing) override {
+    cout << "[C -> C++] testList({";
+    vector<int32_t>::const_iterator l_iter;
+    bool first = true;
+    for (l_iter = thing.begin(); l_iter != thing.end(); ++l_iter) {
+      if (first) {
+        first = false;
+      } else {
+        cout << ", ";
+      }
+      cout << *l_iter;
+    }
+    cout << "})" << endl;
+    out = thing;
+  }
+
+  Numberz::type testEnum(const Numberz::type thing) override {
+    cout << "[C -> C++] testEnum(" << thing << ")" << endl;
+    return thing;
+  }
+
+  UserId testTypedef(const UserId thing) override {
+    cout << "[C -> C++] testTypedef(" << thing << ")" << endl;
+    return thing;  }
+
+  void testMapMap(map<int32_t, map<int32_t,int32_t> > &mapmap, const int32_t hello) override {
+    cout << "[C -> C++] testMapMap(" << hello << ")" << endl;
+
+    map<int32_t,int32_t> pos;
+    map<int32_t,int32_t> neg;
+    for (int i = 1; i < 5; i++) {
+      pos.insert(make_pair(i,i));
+      neg.insert(make_pair(-i,-i));
+    }
+
+    mapmap.insert(make_pair(4, pos));
+    mapmap.insert(make_pair(-4, neg));
+
+  }
+
+  void testInsanity(map<UserId, map<Numberz::type,Insanity> > &insane, const Insanity &argument) override {
+    THRIFT_UNUSED_VARIABLE (argument);
+
+    cout << "[C -> C++] testInsanity()" << endl;
+
+    Xtruct hello;
+    hello.string_thing = "Hello2";
+    hello.byte_thing = 2;
+    hello.i32_thing = 2;
+    hello.i64_thing = 2;
+
+    Xtruct goodbye;
+    goodbye.string_thing = "Goodbye4";
+    goodbye.byte_thing = 4;
+    goodbye.i32_thing = 4;
+    goodbye.i64_thing = 4;
+
+    Insanity crazy;
+    crazy.userMap.insert(make_pair(Numberz::EIGHT, 8));
+    crazy.xtructs.push_back(goodbye);
+
+    Insanity looney;
+    crazy.userMap.insert(make_pair(Numberz::FIVE, 5));
+    crazy.xtructs.push_back(hello);
+
+    map<Numberz::type, Insanity> first_map;
+    map<Numberz::type, Insanity> second_map;
+
+    first_map.insert(make_pair(Numberz::TWO, crazy));
+    first_map.insert(make_pair(Numberz::THREE, crazy));
+
+    second_map.insert(make_pair(Numberz::SIX, looney));
+
+    insane.insert(make_pair(1, first_map));
+    insane.insert(make_pair(2, second_map));
+
+    cout << "return = {";
+    map<UserId, map<Numberz::type,Insanity> >::const_iterator i_iter;
+    for (i_iter = insane.begin(); i_iter != insane.end(); ++i_iter) {
+      cout << i_iter->first << " => {";
+      map<Numberz::type,Insanity>::const_iterator i2_iter;
+      for (i2_iter = i_iter->second.begin();
+           i2_iter != i_iter->second.end();
+           ++i2_iter) {
+        cout << i2_iter->first << " => {";
+        map<Numberz::type, UserId> userMap = i2_iter->second.userMap;
+        map<Numberz::type, UserId>::const_iterator um;
+        cout << "{";
+        for (um = userMap.begin(); um != userMap.end(); ++um) {
+          cout << um->first << " => " << um->second << ", ";
+        }
+        cout << "}, ";
+
+        vector<Xtruct> xtructs = i2_iter->second.xtructs;
+        vector<Xtruct>::const_iterator x;
+        cout << "{";
+        for (x = xtructs.begin(); x != xtructs.end(); ++x) {
+          cout << "{\"" << x->string_thing << "\", " << (int)x->byte_thing << ", " << x->i32_thing << ", " << x->i64_thing << "}, ";
+        }
+        cout << "}";
+
+        cout << "}, ";
+      }
+      cout << "}, ";
+    }
+    cout << "}" << endl;
+
+
+  }
+
+  void testMulti(Xtruct &hello, const int8_t arg0, const int32_t arg1, const int64_t arg2, const std::map<int16_t, std::string>  &arg3, const Numberz::type arg4, const UserId arg5) override {
+    THRIFT_UNUSED_VARIABLE (arg3);
+    THRIFT_UNUSED_VARIABLE (arg4);
+    THRIFT_UNUSED_VARIABLE (arg5);
+
+    cout << "[C -> C++] testMulti()" << endl;
+
+    hello.string_thing = "Hello2";
+    hello.byte_thing = arg0;
+    hello.i32_thing = arg1;
+    hello.i64_thing = (int64_t)arg2;
+  }
+
+  void testException(const std::string &arg)
+    throw(Xception, apache::thrift::TException) override
+  {
+    cout << "[C -> C++] testException(" << arg << ")" << endl;
+    if (arg.compare("Xception") == 0) {
+      Xception e;
+      e.errorCode = 1001;
+      e.message = arg;
+      throw e;
+    } else if (arg.compare("ApplicationException") == 0) {
+      apache::thrift::TException e;
+      throw e;
+    } else {
+      Xtruct result;
+      result.string_thing = arg;
+      return;
+    }
+  }
+
+  void testMultiException(Xtruct &result, const std::string &arg0, const std::string &arg1) throw(Xception, Xception2) override {
+
+    cout << "[C -> C++] testMultiException(" << arg0 << ", " << arg1 << ")" << endl;
+
+    if (arg0.compare("Xception") == 0) {
+      Xception e;
+      e.errorCode = 1001;
+      e.message = "This is an Xception";
+      throw e;
+    } else if (arg0.compare("Xception2") == 0) {
+      Xception2 e;
+      e.errorCode = 2002;
+      e.struct_thing.string_thing = "This is an Xception2";
+      throw e;
+    } else {
+      result.string_thing = arg1;
+      return;
+    }
+  }
+
+  void testOneway(int sleepFor) override {
+    cout << "testOneway(" << sleepFor << "): Sleeping..." << endl;
+    sleep(sleepFor);
+    cout << "testOneway(" << sleepFor << "): done sleeping!" << endl;
+  }
+};
+
+// C CLIENT
+extern "C" {
+
+#undef THRIFT_SOCKET /* from lib/cpp */
+
+#include "t_test_thrift_test.h"
+#include "t_test_thrift_test_types.h"
+#include <thrift/c_glib/transport/thrift_socket.h>
+#include <thrift/c_glib/transport/thrift_zlib_transport.h>
+#include <thrift/c_glib/protocol/thrift_protocol.h>
+#include <thrift/c_glib/protocol/thrift_binary_protocol.h>
+
+static void
+test_thrift_client (void)
+{
+  ThriftSocket *tsocket = nullptr;
+  ThriftBinaryProtocol *protocol = nullptr;
+  ThriftZlibTransport *transport = nullptr;
+  TTestThriftTestClient *client = nullptr;
+  TTestThriftTestIf *iface = nullptr;
+  GError *error = nullptr;
+  gchar *string = nullptr;
+  gint8 byte = 0;
+  gint16 i16 = 0;
+  gint32 i32 = 0, another_i32 = 56789;
+  gint64 i64 = 0;
+  double dbl = 0.0;
+  TTestXtruct *xtruct_in, *xtruct_out;
+  TTestXtruct2 *xtruct2_in, *xtruct2_out;
+  GHashTable *map_in = nullptr, *map_out = nullptr;
+  GHashTable *set_in = nullptr, *set_out = nullptr;
+  GArray *list_in = nullptr, *list_out = nullptr;
+  TTestNumberz enum_in, enum_out;
+  TTestUserId user_id_in, user_id_out;
+  GHashTable *insanity_in = nullptr;
+  TTestXtruct *xtruct1, *xtruct2;
+  TTestInsanity *insanity_out = nullptr;
+  TTestXtruct *multi_in = nullptr;
+  GHashTable *multi_map_out = nullptr;
+  TTestXception *xception = nullptr;
+  TTestXception2 *xception2 = nullptr;
+
+#if (!GLIB_CHECK_VERSION (2, 36, 0))
+  // initialize gobject
+  g_type_init ();
+#endif
+
+  // create a C client
+  tsocket = (ThriftSocket *) g_object_new (THRIFT_TYPE_SOCKET,
+                          "hostname", "localhost",
+                          "port", TEST_PORT, nullptr);
+  transport = (ThriftZlibTransport *) g_object_new (THRIFT_TYPE_ZLIB_TRANSPORT,
+                                   "transport", tsocket, nullptr);
+  protocol = (ThriftBinaryProtocol *) g_object_new (THRIFT_TYPE_BINARY_PROTOCOL,
+                           "transport",
+                           transport, nullptr);
+  client = (TTestThriftTestClient *) g_object_new (T_TEST_TYPE_THRIFT_TEST_CLIENT, "input_protocol", protocol, "output_protocol", protocol, nullptr);
+  iface = T_TEST_THRIFT_TEST_IF (client);
+
+  // open and send
+  thrift_transport_open (THRIFT_TRANSPORT(transport), nullptr);
+
+  assert (t_test_thrift_test_client_test_void (iface, &error) == TRUE);
+  assert (error == nullptr);
+
+  assert (t_test_thrift_test_client_test_string (iface, &string, "test123", &error) == TRUE);
+  assert (strcmp (string, "test123") == 0);
+  g_free (string);
+  assert (error == nullptr);
+
+  assert (t_test_thrift_test_client_test_byte (iface, &byte, (gint8) 5, &error) == TRUE);
+  assert (byte == 5);
+  assert (error == nullptr);
+
+  assert (t_test_thrift_test_client_test_i32 (iface, &i32, 123, &error) == TRUE);
+  assert (i32 == 123);
+  assert (error == nullptr);
+
+  assert (t_test_thrift_test_client_test_i64 (iface, &i64, 12345, &error) == TRUE);
+  assert (i64 == 12345);
+  assert (error == nullptr);
+
+  assert (t_test_thrift_test_client_test_double (iface, &dbl, 5.6, &error) == TRUE);
+  assert (dbl == 5.6);
+  assert (error == nullptr);
+
+  xtruct_out = (TTestXtruct *) g_object_new (T_TEST_TYPE_XTRUCT, nullptr);
+  xtruct_out->byte_thing = 1;
+  xtruct_out->__isset_byte_thing = TRUE;
+  xtruct_out->i32_thing = 15;
+  xtruct_out->__isset_i32_thing = TRUE;
+  xtruct_out->i64_thing = 151;
+  xtruct_out->__isset_i64_thing = TRUE;
+  xtruct_out->string_thing = g_strdup ("abc123");
+  xtruct_out->__isset_string_thing = TRUE;
+  xtruct_in = (TTestXtruct *) g_object_new(T_TEST_TYPE_XTRUCT, nullptr);
+  assert (t_test_thrift_test_client_test_struct (iface, &xtruct_in, xtruct_out, &error) == TRUE);
+  assert (error == nullptr);
+
+  xtruct2_out = (TTestXtruct2 *) g_object_new (T_TEST_TYPE_XTRUCT2, nullptr);
+  xtruct2_out->byte_thing = 1;
+  xtruct2_out->__isset_byte_thing = TRUE;
+  if (xtruct2_out->struct_thing != nullptr)
+    g_object_unref(xtruct2_out->struct_thing);
+  xtruct2_out->struct_thing = xtruct_out;
+  xtruct2_out->__isset_struct_thing = TRUE;
+  xtruct2_out->i32_thing = 123;
+  xtruct2_out->__isset_i32_thing = TRUE;
+  xtruct2_in = (TTestXtruct2 *) g_object_new (T_TEST_TYPE_XTRUCT2, nullptr);
+  assert (t_test_thrift_test_client_test_nest (iface, &xtruct2_in, xtruct2_out, &error) == TRUE);
+  assert (error == nullptr);
+
+  g_object_unref (xtruct2_out);
+  g_object_unref (xtruct2_in);
+  g_object_unref (xtruct_in);
+
+  map_out = g_hash_table_new (nullptr, nullptr);
+  map_in = g_hash_table_new (nullptr, nullptr);  g_hash_table_insert (map_out, &i32, &i32);
+  assert (t_test_thrift_test_client_test_map (iface, &map_in, map_out, &error) == TRUE);
+  assert (error == nullptr);
+  g_hash_table_destroy (map_out);
+  g_hash_table_destroy (map_in);
+
+  map_out = g_hash_table_new (nullptr, nullptr);
+  map_in = g_hash_table_new (nullptr, nullptr);
+  g_hash_table_insert (map_out, g_strdup ("a"), g_strdup ("123"));
+  g_hash_table_insert (map_out, g_strdup ("a b"), g_strdup ("with spaces "));
+  g_hash_table_insert (map_out, g_strdup ("same"), g_strdup ("same"));
+  g_hash_table_insert (map_out, g_strdup ("0"), g_strdup ("numeric key"));
+  assert (t_test_thrift_test_client_test_string_map (iface, &map_in, map_out, &error) == TRUE);
+  assert (error == nullptr);
+  g_hash_table_destroy (map_out);
+  g_hash_table_destroy (map_in);
+
+  set_out = g_hash_table_new (nullptr, nullptr);
+  set_in = g_hash_table_new (nullptr, nullptr);
+  g_hash_table_insert (set_out, &i32, &i32);
+  assert (t_test_thrift_test_client_test_set (iface, &set_in, set_out, &error) == TRUE);
+  assert (error == nullptr);
+  g_hash_table_destroy (set_out);
+  g_hash_table_destroy (set_in);
+
+  list_out = g_array_new(TRUE, TRUE, sizeof(gint32));
+  list_in = g_array_new(TRUE, TRUE, sizeof(gint32));
+  another_i32 = 456;
+  g_array_append_val (list_out, i32);
+  g_array_append_val (list_out, another_i32);
+  assert (t_test_thrift_test_client_test_list (iface, &list_in, list_out, &error) == TRUE);
+  assert (error == nullptr);
+  g_array_free (list_out, TRUE);
+  g_array_free (list_in, TRUE);
+
+  enum_out = T_TEST_NUMBERZ_ONE;
+  assert (t_test_thrift_test_client_test_enum (iface, &enum_in, enum_out, &error) == TRUE);
+  assert (enum_in == enum_out);
+  assert (error == nullptr);
+
+  user_id_out = 12345;
+  assert (t_test_thrift_test_client_test_typedef (iface, &user_id_in, user_id_out, &error) == TRUE);
+  assert (user_id_in == user_id_out);
+  assert (error == nullptr);
+
+  map_in = g_hash_table_new (nullptr, nullptr);
+  assert (t_test_thrift_test_client_test_map_map (iface, &map_in, i32, &error) == TRUE);
+  assert (error == nullptr);
+  g_hash_table_destroy (map_in);
+
+  // insanity
+  insanity_out = (TTestInsanity *) g_object_new (T_TEST_TYPE_INSANITY, nullptr);
+  insanity_out->userMap = g_hash_table_new (nullptr, nullptr);
+  g_hash_table_insert (insanity_out->userMap, GINT_TO_POINTER (enum_out), &user_id_out);
+
+  xtruct1 = (TTestXtruct *) g_object_new (T_TEST_TYPE_XTRUCT, nullptr);
+  xtruct1->byte_thing = 1;
+  xtruct1->__isset_byte_thing = TRUE;
+  xtruct1->i32_thing = 15;
+  xtruct1->__isset_i32_thing = TRUE;
+  xtruct1->i64_thing = 151;
+  xtruct1->__isset_i64_thing = TRUE;
+  xtruct1->string_thing = g_strdup ("abc123");
+  xtruct1->__isset_string_thing = TRUE;
+  xtruct2 = (TTestXtruct *) g_object_new (T_TEST_TYPE_XTRUCT, nullptr);
+  xtruct2->byte_thing = 1;
+  xtruct2->__isset_byte_thing = TRUE;
+  xtruct2->i32_thing = 15;
+  xtruct2->__isset_i32_thing = TRUE;
+  xtruct2->i64_thing = 151;
+  xtruct2->__isset_i64_thing = TRUE;
+  xtruct2->string_thing = g_strdup ("abc123");
+  xtruct2->__isset_string_thing = TRUE;
+
+  insanity_in = g_hash_table_new (nullptr, nullptr);
+  g_ptr_array_add (insanity_out->xtructs, xtruct1);
+  g_ptr_array_add (insanity_out->xtructs, xtruct2);
+  assert (t_test_thrift_test_client_test_insanity (iface, &insanity_in, insanity_out, &error) == TRUE);
+
+  g_hash_table_unref (insanity_in);
+  g_ptr_array_free (insanity_out->xtructs, TRUE);
+
+  multi_map_out = g_hash_table_new (nullptr, nullptr);
+  string = g_strdup ("abc123");
+  g_hash_table_insert (multi_map_out, &i16, string);
+  multi_in = (TTestXtruct *) g_object_new (T_TEST_TYPE_XTRUCT, nullptr);
+  assert (t_test_thrift_test_client_test_multi (iface, &multi_in, byte, i32, i64, multi_map_out, enum_out, user_id_out, &error) == TRUE);
+  assert (multi_in->i32_thing == i32);
+  assert (multi_in->i64_thing == i64);
+  g_object_unref (multi_in);
+  g_hash_table_unref (multi_map_out);
+  g_free (string);
+
+  assert (t_test_thrift_test_client_test_exception (iface, "Xception", &xception, &error) == FALSE);
+  assert (xception->errorCode == 1001);
+  g_error_free (error);
+  error = nullptr;
+  g_object_unref (xception);
+  xception = nullptr;
+
+  assert (t_test_thrift_test_client_test_exception (iface, "ApplicationException", &xception, &error) == FALSE);
+  g_error_free (error);
+  error = nullptr;
+  assert (xception == nullptr);
+
+  assert (t_test_thrift_test_client_test_exception (iface, "Test", &xception, &error) == TRUE);
+  assert (error == nullptr);
+
+  multi_in = (TTestXtruct*) g_object_new (T_TEST_TYPE_XTRUCT, nullptr);
+  assert (t_test_thrift_test_client_test_multi_exception (iface, &multi_in, "Xception", nullptr, &xception, &xception2, &error) == FALSE);
+  assert (xception->errorCode == 1001);
+  assert (xception2 == nullptr);
+  g_error_free (error);
+  error = nullptr;
+  g_object_unref (xception);
+  g_object_unref (multi_in);
+  xception = nullptr;
+  multi_in = nullptr;
+
+  multi_in = (TTestXtruct*) g_object_new (T_TEST_TYPE_XTRUCT, nullptr);
+  assert (t_test_thrift_test_client_test_multi_exception (iface, &multi_in, "Xception2", nullptr, &xception, &xception2, &error) == FALSE);
+  assert (xception2->errorCode == 2002);
+  assert (xception == nullptr);
+  g_error_free (error);
+  error = nullptr;
+  g_object_unref (xception2);
+  g_object_unref (multi_in);
+  xception2 = nullptr;
+  multi_in = nullptr;
+
+  multi_in = (TTestXtruct*) g_object_new (T_TEST_TYPE_XTRUCT, nullptr);
+  assert (t_test_thrift_test_client_test_multi_exception (iface, &multi_in, nullptr , nullptr, &xception, &xception2, &error) == TRUE);
+  assert (error == nullptr);
+  g_object_unref(multi_in);
+  multi_in = nullptr;
+
+  assert (t_test_thrift_test_client_test_oneway (iface, 1, &error) == TRUE);
+  assert (error == nullptr);
+
+  /* sleep to let the oneway call go through */
+  sleep (5);
+
+  thrift_transport_close (THRIFT_TRANSPORT(tsocket), nullptr);
+  g_object_unref (client);
+  g_object_unref (protocol);
+  g_object_unref (tsocket);
+}
+
+
+} /* extern "C" */
+
+
+static void
+bailout (int signum)
+{
+  THRIFT_UNUSED_VARIABLE (signum);
+
+  exit (1);
+}
+
+int
+main (void)
+{
+  int status;
+  int pid = fork ();
+  assert (pid >= 0);
+
+  if (pid == 0) /* child */
+  {
+    std::shared_ptr<TProtocolFactory> protocolFactory(new TBinaryProtocolFactory());
+    std::shared_ptr<TestHandler> testHandler(new TestHandler());
+    std::shared_ptr<ThriftTestProcessor> testProcessor(new ThriftTestProcessor(testHandler));
+    std::shared_ptr<TServerSocket> serverSocket(new TServerSocket(TEST_PORT));
+    std::shared_ptr<TZlibTransportFactory> transportFactory(new TZlibTransportFactory());
+    //std::shared_ptr<TTransportFactory> transportFactory(new TBufferedTransportFactory());
+    TSimpleServer simpleServer(testProcessor, serverSocket, transportFactory, protocolFactory);
+    signal (SIGALRM, bailout);
+    alarm (60);
+    simpleServer.serve();
+  } else {
+    sleep (1);
+    test_thrift_client ();
+    kill (pid, SIGINT);
+    assert (wait (&status) == pid);
+  }
+
+  return 0;
+}
+
diff --git a/lib/c_glib/test/testzlibtransport.c b/lib/c_glib/test/testzlibtransport.c
new file mode 100644
index 0000000..04e368f
--- /dev/null
+++ b/lib/c_glib/test/testzlibtransport.c
@@ -0,0 +1,231 @@
+/*
+ * 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.
+ */
+
+#include <netdb.h>
+#include <signal.h>
+#include <sys/wait.h>
+
+#include <thrift/c_glib/transport/thrift_transport.h>
+#include <thrift/c_glib/transport/thrift_socket.h>
+#include <thrift/c_glib/transport/thrift_server_transport.h>
+#include <thrift/c_glib/transport/thrift_server_socket.h>
+
+#define TEST_DATA  \
+                    { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',  \
+                      'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't',  \
+                      'u', 'v', 'w', 'x', 'y', 'z', '1', '2', '3', '4',  \
+                      '5', '6', '7', '8', '9', '0' }
+
+#include "../src/thrift/c_glib/transport/thrift_zlib_transport.c"
+
+static void thrift_server (const int port);
+static void thrift_socket_server_open (const int port, int times);
+
+/* test object creation and destruction */
+static void
+test_create_and_destroy(void)
+{
+  ThriftTransport *transport = NULL;
+  gint urbuf_size = 0;
+  gint crbuf_size = 0;
+  gint uwbuf_size = 0;
+  gint cwbuf_size = 0;
+  gint comp_level = 0;
+
+  GObject *object = NULL;
+  object = g_object_new (THRIFT_TYPE_ZLIB_TRANSPORT, NULL);
+  g_assert (object != NULL);
+  g_object_get (G_OBJECT (object), "transport", &transport,
+                "urbuf_size", &urbuf_size,
+                "crbuf_size", &crbuf_size, 
+                "uwbuf_size", &uwbuf_size,
+                "cwbuf_size", &cwbuf_size,
+                "comp_level", &comp_level, NULL);
+  g_object_unref (object);
+}
+
+static void 
+test_open_and_close(void)
+{
+  ThriftSocket *tsocket = NULL;
+  ThriftTransport *transport = NULL;
+  GError *err = NULL;
+  pid_t pid;
+  int port = 51199;
+  int status;
+  
+  pid = fork ();
+  g_assert ( pid >= 0 );
+
+  if ( pid == 0 )
+    {
+      /* child listens */
+      thrift_socket_server_open (port,1);
+      exit (0);
+    } else {
+        /* parent connects, wait a bit for the socket to be created */
+        sleep (1);
+        /* create a ThriftSocket */
+        tsocket = g_object_new (THRIFT_TYPE_SOCKET, "hostname", "localhost",
+                                "port", port, NULL);
+        
+        /* create a ZlibTransport wrapper of the Socket */
+        transport = g_object_new (THRIFT_TYPE_ZLIB_TRANSPORT,
+                                  "transport", THRIFT_TRANSPORT (tsocket), NULL);
+
+        /* this shouldn't work */
+        g_assert (thrift_zlib_transport_open (transport, NULL) == TRUE);
+        g_assert (thrift_zlib_transport_is_open (transport) == TRUE);
+        g_assert (thrift_zlib_transport_close (transport, NULL) == TRUE);
+        g_object_unref (transport);
+        g_object_unref (tsocket);
+
+        /* try and underlying socket failure */
+        tsocket = g_object_new (THRIFT_TYPE_SOCKET, "hostname", "localhost_broken",
+                                NULL);
+       
+        /* create a ZlibTransport wrapper of the Socket */
+        transport = g_object_new (THRIFT_TYPE_ZLIB_TRANSPORT,
+                                  "transport", THRIFT_TRANSPORT (tsocket), NULL);
+
+        g_assert (thrift_zlib_transport_open (transport, &err) == FALSE);
+        g_object_unref (transport);
+        g_object_unref (tsocket);
+        g_error_free (err);
+        err = NULL;
+       
+        g_assert ( wait (&status) == pid );
+        g_assert ( status == 0 );
+    }
+}
+
+static void
+test_read_and_write(void)
+{
+  int status;
+  pid_t pid;
+  ThriftSocket *tsocket = NULL;
+  ThriftTransport *transport = NULL;
+  int port = 51199;
+  gchar buf[36] = TEST_DATA;
+
+  pid = fork ();
+  g_assert ( pid >= 0 );
+
+  if ( pid == 0 )
+    {
+      /* child listens */
+      thrift_server (port);
+      exit (0);
+    } else {
+       /* parent connects, wait a bit for the socket to be created */
+       sleep (1);
+
+       tsocket = g_object_new (THRIFT_TYPE_SOCKET, "hostname", "localhost",
+                               "port", port, NULL);
+       transport = g_object_new (THRIFT_TYPE_ZLIB_TRANSPORT,
+                                 "transport", THRIFT_TRANSPORT (tsocket), NULL);
+
+       g_assert (thrift_zlib_transport_open (transport, NULL) == TRUE);
+       g_assert (thrift_zlib_transport_is_open (transport));
+
+       thrift_zlib_transport_write (transport, buf, 36, NULL);
+       thrift_zlib_transport_flush (transport, NULL);
+       thrift_zlib_transport_write_end (transport, NULL);
+
+       g_object_unref (transport);
+       g_object_unref (tsocket);
+
+       g_assert ( wait (&status) == pid );
+       g_assert ( status == 0 );
+    }
+}
+
+static void 
+thrift_socket_server_open (const int port, int times)
+{
+  ThriftServerTransport *transport = NULL;
+  ThriftTransport *client = NULL;
+  int i;
+
+  ThriftServerSocket *tsocket = g_object_new (THRIFT_TYPE_SERVER_SOCKET,
+                                              "port", port, NULL);
+
+  transport = THRIFT_SERVER_TRANSPORT (tsocket);
+  thrift_server_transport_listen (transport, NULL);
+  for(i=0;i<times;i++){
+      client = thrift_server_transport_accept (transport, NULL);
+      g_assert (client != NULL);
+      thrift_socket_close (client, NULL);
+      g_object_unref (client);
+  }
+  g_object_unref (tsocket);
+}
+
+static void
+thrift_server (const int port)
+{
+  int bytes = 0;
+  gboolean check_sum = FALSE;
+  ThriftServerTransport *transport = NULL;
+  ThriftTransport *client = NULL;
+  gchar buf[36];  /* a buffer */
+  gchar match[36] = TEST_DATA;
+  
+  ThriftServerSocket *tsocket = g_object_new (THRIFT_TYPE_SERVER_SOCKET,
+                                              "port", port, NULL);
+
+  transport = THRIFT_SERVER_TRANSPORT (tsocket);
+  thrift_server_transport_listen (transport, NULL);
+
+  /* wrap the client in a ZlibTransport */
+  client = g_object_new (THRIFT_TYPE_ZLIB_TRANSPORT, "transport",
+                         thrift_server_transport_accept (transport, NULL),
+                         NULL);
+  g_assert (client != NULL);
+
+  /* read 36 bytes */
+  thrift_zlib_transport_read (client, buf, 36, NULL);
+  g_assert (memcmp(buf, match, 36) == 0 );
+
+  thrift_zlib_transport_read_end (client, NULL);
+
+  check_sum = thrift_zlib_transport_verify_checksum (client, NULL);
+  g_assert (!check_sum);
+
+  thrift_zlib_transport_close (client, NULL);
+  g_object_unref (client);
+  g_object_unref (tsocket);
+}
+
+int
+main(int argc, char *argv[])
+{
+#if (!GLIB_CHECK_VERSION (2, 36, 0))
+  g_type_init();
+#endif
+
+  g_test_init (&argc, &argv, NULL);
+
+  g_test_add_func ("/testzlibtransport/CreateAndDestroy", test_create_and_destroy);
+  g_test_add_func ("/testzlibtransport/OpenAndClose", test_open_and_close);
+  g_test_add_func ("/testzlibtransport/ReadAndWrite", test_read_and_write);
+
+  return g_test_run ();
+}