diff --git a/compiler/cpp/test/plugin/conversion_test.cc b/compiler/cpp/test/plugin/conversion_test.cc
new file mode 100644
index 0000000..f2d1407
--- /dev/null
+++ b/compiler/cpp/test/plugin/conversion_test.cc
@@ -0,0 +1,496 @@
+/*
+ * 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 "parse/t_program.h"
+#include "plugin/type_util.h"
+#include "plugin/plugin_types.h"
+
+#include <map>
+#include <vector>
+
+#include <boost/preprocessor.hpp>
+#include <boost/test/included/unit_test.hpp>
+#include <boost/test/parameterized_test.hpp>
+
+using namespace apache::thrift;
+using namespace boost::unit_test;
+
+namespace test_data {
+#define T_TEST_TYPES                                                                               \
+  BOOST_PP_TUPLE_TO_LIST(14,                                                                       \
+                         (program,                                                                 \
+                          base_type,                                                               \
+                          enum_value,                                                              \
+                          enum,                                                                    \
+                          const_value,                                                             \
+                          const,                                                                   \
+                          list,                                                                    \
+                          set,                                                                     \
+                          map,                                                                     \
+                          field,                                                                   \
+                          struct,                                                                  \
+                          typedef,                                                                 \
+                          function,                                                                \
+                          service))
+#define T_DELETE_TESTDATA(r, d, elem)                                                              \
+  for (std::vector<t_##elem*>::reverse_iterator it = elem##s.rbegin(); it != elem##s.rend(); it++) \
+    delete *it;
+#define T_DECL_TESTDATA(r, d, elem) static std::vector< ::t_##elem*> elem##s;
+BOOST_PP_LIST_FOR_EACH(T_DECL_TESTDATA, _, T_TEST_TYPES)
+#undef T_DECL_TESTDATA
+
+bool has_data = false;
+void cleanup() {
+  if (has_data) {
+    has_data = false;
+    BOOST_PP_LIST_FOR_EACH(T_DELETE_TESTDATA, _, T_TEST_TYPES)
+  }
+}
+
+void init_programs() {
+  programs.push_back(new t_program("prog path", "prog_name"));
+}
+
+void init_base_types() {
+  base_types.push_back(new ::t_base_type("name0", ::t_base_type::TYPE_VOID));
+  base_types.push_back(new ::t_base_type("name1", ::t_base_type::TYPE_STRING));
+  base_types.push_back(new ::t_base_type("name2", ::t_base_type::TYPE_BOOL));
+  base_types.push_back(new ::t_base_type("name3", ::t_base_type::TYPE_I8));
+  base_types.push_back(new ::t_base_type("name4", ::t_base_type::TYPE_I16));
+  base_types.push_back(new ::t_base_type("name5", ::t_base_type::TYPE_I32));
+  base_types.push_back(new ::t_base_type("name6", ::t_base_type::TYPE_I64));
+  base_types.push_back(new ::t_base_type("name7", ::t_base_type::TYPE_DOUBLE));
+}
+
+void init_const_values() {
+  const_values.push_back(new t_const_value(42));
+  const_values.push_back(new t_const_value("foo"));
+  {
+    t_const_value* x = new t_const_value;
+    x->set_double(3.1415);
+    const_values.push_back(x);
+  }
+  {
+    t_const_value* x = new t_const_value;
+    x->set_identifier("bar");
+    x->set_enum(enums[0]);
+    const_values.push_back(x);
+  }
+  {
+    t_const_value* x = new t_const_value;
+    x->set_map();
+    x->add_map(const_values[0], const_values[1]);
+    x->add_map(const_values[1], const_values[0]);
+    const_values.push_back(x);
+  }
+  {
+    t_const_value* x = new t_const_value;
+    x->set_list();
+    x->add_list(const_values[0]);
+    x->add_list(const_values[1]);
+    const_values.push_back(x);
+  }
+}
+
+void init_consts() {
+  // base_type/enum indexes for this and other tests are arbitrary
+  consts.push_back(new t_const(base_types[2], "aaa", const_values[0]));
+  consts.back()->set_doc("soem doc");
+  consts.push_back(new t_const(base_types[3], "bbb", const_values[1]));
+}
+
+void init_enum_values() {
+  enum_values.push_back(new t_enum_value("VAL1", 11));
+  enum_values.back()->set_doc("enum doc 1");
+  enum_values.back()->annotations_.insert(std::make_pair("anno1", "val1"));
+
+  enum_values.push_back(new t_enum_value("VAL2", 22));
+}
+
+void init_enums() {
+  enums.push_back(new t_enum(programs[0]));
+  enums.back()->set_doc("enum doc 1");
+  enums.back()->annotations_.insert(std::make_pair("anno1", "val1"));
+  enums.back()->set_name("fooo");
+  enums.back()->append(enum_values[0]);
+  enums.back()->append(enum_values[1]);
+}
+
+void init_lists() {
+  lists.push_back(new t_list(enums[0]));
+  lists.push_back(new t_list(base_types[5]));
+  lists.back()->set_cpp_name("list_cpp_name_1");
+}
+void init_sets() {
+  sets.push_back(new t_set(base_types[4]));
+  sets.push_back(new t_set(enums[0]));
+  sets.back()->set_cpp_name("set_cpp_name_1");
+}
+void init_maps() {
+  maps.push_back(new t_map(base_types[4], base_types[1]));
+  maps.push_back(new t_map(base_types[5], enums[0]));
+  maps.back()->set_cpp_name("map_cpp_name_1");
+}
+
+void init_typedefs() {
+  typedefs.push_back(new t_typedef(programs[0], base_types[3], "VAL1"));
+}
+void init_fields() {
+  fields.push_back(new t_field(base_types[1], "f1"));
+  fields.back()->set_reference(false);
+  fields.back()->set_req(t_field::T_OPTIONAL);
+  fields.push_back(new t_field(base_types[2], "f2", 9));
+  fields.back()->set_reference(true);
+  fields.push_back(new t_field(base_types[3], "f3", 11));
+  fields.back()->set_req(t_field::T_REQUIRED);
+  fields.back()->set_value(const_values[0]);
+}
+void init_structs() {
+  structs.push_back(new t_struct(programs[0], "struct1"));
+  structs.back()->append(fields[0]);
+  structs.back()->append(fields[1]);
+  structs.push_back(new t_struct(programs[0], "union1"));
+  structs.back()->append(fields[0]);
+  structs.back()->append(fields[1]);
+  structs.back()->set_union(true);
+  structs.push_back(new t_struct(programs[0], "xcept1"));
+  structs.back()->set_xception(true);
+}
+void init_functions() {
+  structs.push_back(new t_struct(programs[0], "errs1"));
+  t_struct* errors = structs.back();
+  structs.push_back(new t_struct(programs[0], "args1"));
+  t_struct* arglist = structs.back();
+  functions.push_back(new t_function(base_types[0], "func1", errors, arglist, false));
+  functions.push_back(new t_function(base_types[0], "func2", errors, arglist, true));
+}
+void init_services() {
+  services.push_back(new t_service(programs[0]));
+  services.back()->set_doc("srv1 doc");
+  services.back()->set_name("srv1");
+  services.back()->add_function(functions[0]);
+  services.back()->add_function(functions[1]);
+
+  services.push_back(new t_service(programs[0]));
+  services.back()->set_name("srv2");
+  services.back()->set_extends(services[0]);
+}
+
+std::vector<t_type*> types;
+void init_types() {
+#define T_COPY_TYPES(type) std::copy(type##s.begin(), type##s.end(), std::back_inserter(types))
+  T_COPY_TYPES(base_type);
+  T_COPY_TYPES(enum);
+  T_COPY_TYPES(typedef);
+  T_COPY_TYPES(struct);
+  T_COPY_TYPES(list);
+  T_COPY_TYPES(set);
+  T_COPY_TYPES(map);
+// T_COPY_TYPES(service);
+#undef T_COPY_TYPES
+}
+
+void init() {
+  if (!has_data) {
+    has_data = true;
+#define T_INIT_TESTDATA(r, d, elem) init_##elem##s();
+    BOOST_PP_LIST_FOR_EACH(T_INIT_TESTDATA, _, T_TEST_TYPES)
+    init_types();
+#undef T_INIT_TESTDATA
+  }
+}
+}
+struct GlobalFixture {
+  ~GlobalFixture() { test_data::cleanup(); }
+};
+#if (BOOST_VERSION >= 105900)
+BOOST_GLOBAL_FIXTURE(GlobalFixture);
+#else
+BOOST_GLOBAL_FIXTURE(GlobalFixture)
+#endif
+
+void migrate_global_cache() {
+  plugin::TypeRegistry reg;
+  plugin_output::get_global_cache(reg);
+  plugin::set_global_cache(reg);
+  plugin_output::clear_global_cache();
+}
+template <typename T>
+T* round_trip(T* t) {
+  typename plugin::ToType<T>::type p;
+  plugin_output::convert(t, p);
+  migrate_global_cache();
+  return plugin::convert(p);
+}
+
+void test_base_type(::t_base_type* sut) {
+  plugin::t_base_type p;
+  plugin_output::convert(sut, p);
+  boost::scoped_ptr< ::t_base_type> sut2(plugin::convert(p));
+
+#define THRIFT_CHECK(r, data, elem) BOOST_PP_EXPAND(BOOST_CHECK_EQUAL(data elem, sut2->elem));
+  BOOST_PP_LIST_FOR_EACH(THRIFT_CHECK,
+                         sut->,
+                         BOOST_PP_TUPLE_TO_LIST(7,
+                                                (is_void(),
+                                                 is_string(),
+                                                 is_bool(),
+                                                 is_string_list(),
+                                                 is_binary(),
+                                                 is_string_enum(),
+                                                 is_base_type())))
+}
+
+void test_const_value(t_const_value* sut) {
+  boost::scoped_ptr<t_const_value> sut2(round_trip(sut));
+
+  BOOST_CHECK_EQUAL(sut->get_type(), sut2->get_type());
+  switch (sut->get_type()) {
+#define T_CONST_VALUE_CASE(type, name)                                                             \
+  case t_const_value::type:                                                                        \
+    BOOST_CHECK_EQUAL(sut->get_##name(), sut2->get_##name());                                      \
+    break
+    T_CONST_VALUE_CASE(CV_INTEGER, integer);
+    T_CONST_VALUE_CASE(CV_DOUBLE, double);
+    T_CONST_VALUE_CASE(CV_STRING, string);
+    T_CONST_VALUE_CASE(CV_IDENTIFIER, identifier);
+#undef T_CONST_VALUE_CASE
+  case t_const_value::CV_MAP:
+    BOOST_CHECK_EQUAL(sut->get_map().size(), sut2->get_map().size());
+    {
+      std::map<t_const_value::t_const_value_type, t_const_value::t_const_value_type> sut_values;
+      for (std::map<t_const_value*, t_const_value*>::const_iterator it = sut->get_map().begin();
+           it != sut->get_map().end(); it++) {
+        sut_values[it->first->get_type()] = it->second->get_type();
+      }
+      std::map<t_const_value::t_const_value_type, t_const_value::t_const_value_type> sut2_values;
+      for (std::map<t_const_value*, t_const_value*>::const_iterator it = sut2->get_map().begin();
+           it != sut2->get_map().end(); it++) {
+        sut2_values[it->first->get_type()] = it->second->get_type();
+      }
+      BOOST_CHECK_EQUAL(sut_values.begin()->first, sut2_values.begin()->first);
+      BOOST_CHECK_EQUAL(sut_values.begin()->second, sut2_values.begin()->second);
+    }
+    break;
+  case t_const_value::CV_LIST:
+    BOOST_CHECK_EQUAL(sut->get_list().size(), sut2->get_list().size());
+    BOOST_CHECK_EQUAL(sut->get_list().front()->get_type(), sut2->get_list().front()->get_type());
+    break;
+  default:
+    BOOST_ASSERT(false);
+    break;
+  }
+}
+
+void test_const(t_const* sut) {
+  boost::scoped_ptr< ::t_const> sut2(round_trip(sut));
+
+  BOOST_PP_LIST_FOR_EACH(THRIFT_CHECK,
+                         sut->,
+                         BOOST_PP_TUPLE_TO_LIST(4,
+                                                (get_type()->get_name(),
+                                                 get_name(),
+                                                 get_value()->get_type(),
+                                                 get_doc())))
+}
+
+void test_enum_value(t_enum_value* sut) {
+  boost::scoped_ptr<t_enum_value> sut2(round_trip(sut));
+
+  BOOST_PP_LIST_FOR_EACH(THRIFT_CHECK,
+                         sut->,
+                         BOOST_PP_TUPLE_TO_LIST(3, (get_name(), get_value(), get_doc())))
+}
+
+void test_enum(t_enum* sut) {
+  boost::scoped_ptr< ::t_enum> sut2(round_trip(sut));
+
+  BOOST_PP_LIST_FOR_EACH(THRIFT_CHECK,
+                         sut->,
+                         BOOST_PP_TUPLE_TO_LIST(6,
+                                                (get_name(),
+                                                 get_min_value()->get_value(),
+                                                 get_max_value()->get_value(),
+                                                 get_constant_by_value(11)->get_value(),
+                                                 get_constant_by_name("VAL1")->get_value(),
+                                                 get_doc())))
+}
+
+void test_list(t_list* sut) {
+  boost::scoped_ptr<t_list> sut2(round_trip(sut));
+
+  BOOST_PP_LIST_FOR_EACH(THRIFT_CHECK,
+                         sut->,
+                         BOOST_PP_TUPLE_TO_LIST(4,
+                                                (get_elem_type()->get_name(),
+                                                 has_cpp_name(),
+                                                 get_doc(),
+                                                 get_name())))
+  if (sut->has_cpp_name())
+    BOOST_CHECK_EQUAL(sut->get_cpp_name(), sut2->get_cpp_name());
+}
+void test_set(t_set* sut) {
+  boost::scoped_ptr<t_set> sut2(round_trip(sut));
+
+  BOOST_PP_LIST_FOR_EACH(THRIFT_CHECK,
+                         sut->,
+                         BOOST_PP_TUPLE_TO_LIST(4,
+                                                (get_elem_type()->get_name(),
+                                                 has_cpp_name(),
+                                                 get_doc(),
+                                                 get_name())))
+  if (sut->has_cpp_name())
+    BOOST_CHECK_EQUAL(sut->get_cpp_name(), sut2->get_cpp_name());
+}
+void test_map(t_map* sut) {
+  boost::scoped_ptr<t_map> sut2(round_trip(sut));
+
+  BOOST_PP_LIST_FOR_EACH(THRIFT_CHECK,
+                         sut->,
+                         BOOST_PP_TUPLE_TO_LIST(5,
+                                                (get_key_type()->get_name(),
+                                                 get_val_type()->get_name(),
+                                                 has_cpp_name(),
+                                                 get_doc(),
+                                                 get_name())))
+  if (sut->has_cpp_name())
+    BOOST_CHECK_EQUAL(sut->get_cpp_name(), sut2->get_cpp_name());
+}
+
+void test_typedef(t_typedef* sut) {
+  boost::scoped_ptr<t_typedef> sut2(round_trip(sut));
+
+  BOOST_PP_LIST_FOR_EACH(THRIFT_CHECK,
+                         sut->,
+                         BOOST_PP_TUPLE_TO_LIST(4,
+                                                (get_doc(),
+                                                 get_name(),
+                                                 get_symbolic(),
+                                                 is_forward_typedef())))
+}
+
+void test_type(t_type* sut) {
+  boost::scoped_ptr<t_type> sut2(round_trip(sut));
+
+  BOOST_PP_LIST_FOR_EACH(THRIFT_CHECK,
+                         sut->,
+                         BOOST_PP_TUPLE_TO_LIST(15,
+                                                (is_void(),
+                                                 is_base_type(),
+                                                 is_string(),
+                                                 is_bool(),
+                                                 is_typedef(),
+                                                 is_enum(),
+                                                 is_struct(),
+                                                 is_xception(),
+                                                 is_container(),
+                                                 is_list(),
+                                                 is_set(),
+                                                 is_map(),
+                                                 is_service(),
+                                                 get_doc(),
+                                                 get_name())))
+}
+
+void test_field(t_field* sut) {
+  boost::scoped_ptr<t_field> sut2(round_trip(sut));
+
+  BOOST_PP_LIST_FOR_EACH(THRIFT_CHECK,
+                         sut->,
+                         BOOST_PP_TUPLE_TO_LIST(5,
+                                                (get_req(),
+                                                 get_reference(),
+                                                 get_key(),
+                                                 get_doc(),
+                                                 get_name())))
+  if (sut->get_value()) {
+    THRIFT_CHECK(, sut->, get_value()->get_type());
+  } else {
+    BOOST_CHECK(!sut2->get_value());
+  }
+  if (sut->get_type()) {
+    THRIFT_CHECK(, sut->, get_type()->get_name());
+  } else {
+    BOOST_CHECK(!sut2->get_type());
+  }
+}
+void test_struct(t_struct* sut) {
+  boost::scoped_ptr<t_struct> sut2(round_trip(sut));
+
+  BOOST_PP_LIST_FOR_EACH(THRIFT_CHECK,
+                         sut->,
+                         BOOST_PP_TUPLE_TO_LIST(5,
+                                                (is_union(),
+                                                 is_xception(),
+                                                 is_struct(),
+                                                 get_doc(),
+                                                 get_name())))
+}
+
+void test_function(t_function* sut) {
+  boost::scoped_ptr<t_function> sut2(round_trip(sut));
+
+  BOOST_PP_LIST_FOR_EACH(
+      THRIFT_CHECK,
+      sut->,
+      BOOST_PP_TUPLE_TO_LIST(4, (get_doc(), get_name(), get_returntype()->get_name(), is_oneway())))
+}
+void test_service(t_service* sut) {
+  boost::scoped_ptr<t_service> sut2(round_trip(sut));
+
+  BOOST_PP_LIST_FOR_EACH(THRIFT_CHECK,
+                         sut->,
+                         BOOST_PP_TUPLE_TO_LIST(3, (get_doc(), get_name(), get_functions().size())))
+  if (sut->get_extends()) {
+    THRIFT_CHECK(, sut->, get_extends()->get_name());
+  } else {
+    BOOST_CHECK(!sut2->get_extends());
+  }
+}
+
+void test_program(t_program* sut) {
+  boost::scoped_ptr<t_program> sut2(round_trip(sut));
+
+  BOOST_PP_LIST_FOR_EACH(THRIFT_CHECK, sut->, BOOST_PP_TUPLE_TO_LIST(2, (get_doc(), get_name())))
+}
+boost::unit_test::test_suite* do_init_unit_test_suite() {
+  test_data::init();
+  test_suite* ts = BOOST_TEST_SUITE("PluginConversionTest");
+
+#define T_TEST_CASE(r, d, type)                                                                    \
+  ts->add(BOOST_PARAM_TEST_CASE(test_##type, test_data::type##s.begin(), test_data::type##s.end()));
+  BOOST_PP_LIST_FOR_EACH(T_TEST_CASE, _, T_TEST_TYPES)
+  T_TEST_CASE(_, _, type)
+#undef T_TEST_CASE
+  return ts;
+}
+
+#ifdef BOOST_TEST_DYN_LINK
+bool init_unit_test_suite() {
+  framework::master_test_suite().add(do_init_unit_test_suite());
+  return true;
+}
+int main(int argc, char* argv[]) {
+  return ::boost::unit_test::unit_test_main(&init_unit_test_suite, argc, argv);
+}
+#else
+boost::unit_test::test_suite* init_unit_test_suite(int argc, char* argv[]) {
+  return do_init_unit_test_suite();
+}
+#endif
diff --git a/compiler/cpp/test/plugin/cpp_plugin.cc b/compiler/cpp/test/plugin/cpp_plugin.cc
new file mode 100644
index 0000000..43a62d4
--- /dev/null
+++ b/compiler/cpp/test/plugin/cpp_plugin.cc
@@ -0,0 +1,43 @@
+/*
+ * 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 "plugin/plugin.h"
+#include "generate/t_generator.h"
+
+namespace apache {
+namespace thrift {
+namespace plugin {
+
+class MyCppGenerator : public GeneratorPlugin {
+  virtual int generate(::t_program* program,
+                       const std::map<std::string, std::string>& parsed_options) {
+    t_generator* gen = t_generator_registry::get_generator(program, "cpp", parsed_options, "");
+    gen->generate_program();
+    delete gen;
+    return 0;
+  }
+};
+}
+}
+}
+
+int main(int argc, char* argv[]) {
+  apache::thrift::plugin::MyCppGenerator p;
+  return p.exec(argc, argv);
+}