diff --git a/lib/erl/test/Thrift1151.thrift b/lib/erl/test/Thrift1151.thrift
new file mode 100644
index 0000000..6f934a7
--- /dev/null
+++ b/lib/erl/test/Thrift1151.thrift
@@ -0,0 +1,3 @@
+struct StructA { 1: i16 x; }
+struct StructB { 1: i32 x; }
+struct StructC { 1: StructA x; }
diff --git a/lib/erl/test/stress_server.erl b/lib/erl/test/stress_server.erl
new file mode 100644
index 0000000..35fff06
--- /dev/null
+++ b/lib/erl/test/stress_server.erl
@@ -0,0 +1,64 @@
+%%
+%% 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.
+%%
+
+-module(stress_server).
+
+
+-export([start_link/1,
+
+         handle_function/2,
+
+         echoVoid/0,
+         echoByte/1,
+         echoI32/1,
+         echoI64/1,
+         echoString/1,
+         echoList/1,
+         echoSet/1,
+         echoMap/1
+        ]).
+
+start_link(Port) ->
+    thrift_server:start_link(Port, service_thrift, ?MODULE).
+
+
+handle_function(Function, Args) ->
+    case apply(?MODULE, Function, tuple_to_list(Args)) of
+        ok ->
+             ok;
+        Else -> {reply, Else}
+    end.
+
+
+echoVoid() ->
+    ok.
+echoByte(X) ->
+    X.
+echoI32(X) ->
+    X.
+echoI64(X) ->
+    X.
+echoString(X) ->
+    X.
+echoList(X) ->
+    X.
+echoSet(X) ->
+    X.
+echoMap(X) ->
+    X.
diff --git a/lib/erl/test/test_client.erl b/lib/erl/test/test_client.erl
new file mode 100644
index 0000000..59f596d
--- /dev/null
+++ b/lib/erl/test/test_client.erl
@@ -0,0 +1,132 @@
+%%
+%% 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.
+%%
+
+-module(test_client).
+
+-export([start/0, start/1]).
+
+-include("thriftTest_types.hrl").
+
+-record(options, {port = 9090,
+                  client_opts = []}).
+
+parse_args(Args) -> parse_args(Args, #options{}).
+parse_args([], Opts) -> Opts;
+parse_args([Head | Rest], Opts) ->
+    NewOpts =
+        case catch list_to_integer(Head) of
+            Port when is_integer(Port) ->
+                Opts#options{port = Port};
+            _Else ->
+                case Head of
+                    "framed" ->
+                        Opts#options{client_opts = [{framed, true} | Opts#options.client_opts]};
+                    "" ->
+                        Opts;
+                    _Else ->
+                        erlang:error({bad_arg, Head})
+                end
+        end,
+    parse_args(Rest, NewOpts).
+
+
+start() -> start([]).
+start(Args) ->
+  #options{port = Port, client_opts = ClientOpts} = parse_args(Args),
+  {ok, Client0} = thrift_client_util:new(
+    "127.0.0.1", Port, thriftTest_thrift, ClientOpts),
+
+  DemoXtruct = #xtruct{
+    string_thing = <<"Zero">>,
+    byte_thing = 1,
+    i32_thing = 9128361,
+    i64_thing = 9223372036854775807},
+
+  DemoNest = #xtruct2{
+    byte_thing = 7,
+    struct_thing = DemoXtruct,
+    % Note that we don't set i32_thing, it will come back as undefined
+    % from the Python server, but 0 from the C++ server, since it is not
+    % optional
+    i32_thing = 2},
+
+  % Is it safe to match these things?
+  DemoDict = dict:from_list([ {Key, Key-10} || Key <- lists:seq(0,10) ]),
+  DemoSet = sets:from_list([ Key || Key <- lists:seq(-3,3) ]),
+
+  %DemoInsane = #insanity{
+  %  userMap = dict:from_list([{?thriftTest_FIVE, 5000}]),
+  %  xtructs = [#xtruct{ string_thing = <<"Truck">>, byte_thing = 8, i32_thing = 8, i64_thing = 8}]},
+
+  {Client01, {ok, ok}} = thrift_client:call(Client0, testVoid, []),
+
+  {Client02, {ok, <<"Test">>}}      = thrift_client:call(Client01, testString, ["Test"]),
+  {Client03, {ok, <<"Test">>}}      = thrift_client:call(Client02, testString, [<<"Test">>]),
+  {Client04, {ok, 63}}              = thrift_client:call(Client03, testByte, [63]),
+  {Client05, {ok, -1}}              = thrift_client:call(Client04, testI32, [-1]),
+  {Client06, {ok, 0}}               = thrift_client:call(Client05, testI32, [0]),
+  {Client07, {ok, -34359738368}}    = thrift_client:call(Client06, testI64, [-34359738368]),
+  {Client08, {ok, -5.2098523}}      = thrift_client:call(Client07, testDouble, [-5.2098523]),
+  {Client09, {ok, DemoXtruct}}      = thrift_client:call(Client08, testStruct, [DemoXtruct]),
+  {Client10, {ok, DemoNest}}        = thrift_client:call(Client09, testNest, [DemoNest]),
+  {Client11, {ok, DemoDict}}        = thrift_client:call(Client10, testMap, [DemoDict]),
+  {Client12, {ok, DemoSet}}         = thrift_client:call(Client11, testSet, [DemoSet]),
+  {Client13, {ok, [-1,2,3]}}        = thrift_client:call(Client12, testList, [[-1,2,3]]),
+  {Client14, {ok, 1}}               = thrift_client:call(Client13, testEnum, [?thriftTest_Numberz_ONE]),
+  {Client15, {ok, 309858235082523}} = thrift_client:call(Client14, testTypedef, [309858235082523]),
+
+  % No python implementation, but works with C++ and Erlang.
+  %{Client16, {ok, InsaneResult}}    = thrift_client:call(Client15, testInsanity, [DemoInsane]),
+  %io:format("~p~n", [InsaneResult]),
+  Client16 = Client15,
+
+  {Client17, {ok, #xtruct{string_thing = <<"Message">>}}} =
+    thrift_client:call(Client16, testMultiException, ["Safe", "Message"]),
+
+  Client18 =
+    try
+      {ClientS1, Result1} = thrift_client:call(Client17, testMultiException, ["Xception", "Message"]),
+      io:format("Unexpected return! ~p~n", [Result1]),
+      ClientS1
+    catch
+      throw:{ClientS2, {exception, ExnS1 = #xception{}}} ->
+        #xception{errorCode = 1001, message = <<"This is an Xception">>} = ExnS1,
+        ClientS2;
+      throw:{ClientS2, {exception, _ExnS1 = #xception2{}}} ->
+        io:format("Wrong exception type!~n", []),
+        ClientS2
+    end,
+
+  Client19 =
+    try
+      {ClientS3, Result2} = thrift_client:call(Client18, testMultiException, ["Xception2", "Message"]),
+      io:format("Unexpected return! ~p~n", [Result2]),
+      ClientS3
+    catch
+      throw:{ClientS4, {exception, _ExnS2 = #xception{}}} ->
+        io:format("Wrong exception type!~n", []),
+        ClientS4;
+      throw:{ClientS4, {exception, ExnS2 = #xception2{}}} ->
+        #xception2{errorCode = 2002,
+                   struct_thing = #xtruct{
+                     string_thing = <<"This is an Xception2">>}} = ExnS2,
+        ClientS4
+    end,
+
+  thrift_client:close(Client19).
diff --git a/lib/erl/test/test_disklog.erl b/lib/erl/test/test_disklog.erl
new file mode 100644
index 0000000..17a27b0
--- /dev/null
+++ b/lib/erl/test/test_disklog.erl
@@ -0,0 +1,85 @@
+%%
+%% 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.
+%%
+
+-module(test_disklog).
+
+-ifdef(TEST).
+-include_lib("eunit/include/eunit.hrl").
+
+disklog_test() ->
+  {ok, TransportFactory} =
+    thrift_disk_log_transport:new_transport_factory(
+      test_disklog,
+      [{file, "/tmp/test_log"},
+       {size, {1024*1024, 10}}]),
+  {ok, ProtocolFactory} =
+    thrift_binary_protocol:new_protocol_factory( TransportFactory, []),
+  {ok, Proto} = ProtocolFactory(),
+  {ok, Client0} = thrift_client:new(Proto, thriftTest_thrift),
+
+  io:format("Client started~n"),
+
+  % We have to make oneway calls into this client only since otherwise it
+  % will try to read from the disklog and go boom.
+  {Client1, {ok, ok}} = thrift_client:call(Client0, testOneway, [16#deadbeef]),
+  io:format("Call written~n"),
+
+  % Use the send_call method to write a non-oneway call into the log
+  {Client2, ok} =
+    thrift_client:send_call(Client1, testString, [<<"hello world">>]),
+  io:format("Non-oneway call sent~n"),
+
+  {_Client3, ok} = thrift_client:close(Client2),
+  io:format("Client closed~n"),
+
+  ok.
+
+disklog_base64_test() ->
+  {ok, TransportFactory} =
+    thrift_disk_log_transport:new_transport_factory(
+      test_disklog,
+      [{file, "/tmp/test_b64_log"},
+       {size, {1024*1024, 10}}]),
+  {ok, B64Factory} =
+    thrift_base64_transport:new_transport_factory(TransportFactory),
+  {ok, BufFactory} =
+    thrift_buffered_transport:new_transport_factory(B64Factory),
+  {ok, ProtocolFactory} =
+    thrift_binary_protocol:new_protocol_factory(BufFactory, []),
+  {ok, Proto} = ProtocolFactory(),
+  {ok, Client0} = thrift_client:new(Proto, thriftTest_thrift),
+
+  io:format("Client started~n"),
+
+  % We have to make oneway calls into this client only since otherwise
+  % it will try to read from the disklog and go boom.
+  {Client1, {ok, ok}} = thrift_client:call(Client0, testOneway, [16#deadbeef]),
+  io:format("Call written~n"),
+
+  % Use the send_call method to write a non-oneway call into the log
+  {Client2, ok} =
+    thrift_client:send_call(Client1, testString, [<<"hello world">>]),
+  io:format("Non-oneway call sent~n"),
+
+  {_Client3, ok} = thrift_client:close(Client2),
+  io:format("Client closed~n"),
+
+  ok.
+
+-endif.
diff --git a/lib/erl/test/test_membuffer.erl b/lib/erl/test/test_membuffer.erl
new file mode 100644
index 0000000..7a01143
--- /dev/null
+++ b/lib/erl/test/test_membuffer.erl
@@ -0,0 +1,115 @@
+%%
+%% 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.
+%%
+
+-module(test_membuffer).
+
+-ifdef(TEST).
+-include_lib("eunit/include/eunit.hrl").
+
+-include("thriftTest_types.hrl").
+
+test_data() ->
+  #xtruct {
+    string_thing = <<"foobar">>,
+    byte_thing = 123,
+    i32_thing = 1234567,
+    i64_thing = 12345678900
+  }.
+
+encode_decode_1_test() ->
+  {ok, Transport} = thrift_memory_buffer:new(),
+  {ok, Protocol0} = thrift_binary_protocol:new(Transport),
+  TestData = test_data(),
+  {Protocol1, ok} = thrift_protocol:write(Protocol0,
+    {{struct, element(2, thriftTest_types:struct_info('xtruct'))},
+      TestData}),
+  {_Protocol2, {ok, Result}} = thrift_protocol:read(Protocol1,
+    {struct, element(2, thriftTest_types:struct_info('xtruct'))},
+    'xtruct'),
+  Result = TestData.
+
+encode_decode_2_test() ->
+  {ok, Transport} = thrift_memory_buffer:new(),
+  {ok, Protocol0} = thrift_binary_protocol:new(Transport),
+  TestData = test_data(),
+  {Protocol1, ok} = thrift_protocol:write(Protocol0,
+    {{struct, element(2, thriftTest_types:struct_info('xtruct'))},
+      TestData}),
+  {_Protocol2, {ok, Result}} = thrift_protocol:read(Protocol1,
+    {struct, element(2, thriftTest_types:struct_info('xtruct3'))},
+    'xtruct3'),
+
+  Result = #xtruct3{string_thing = TestData#xtruct.string_thing,
+    changed = undefined,
+    i32_thing = TestData#xtruct.i32_thing,
+    i64_thing = TestData#xtruct.i64_thing}.
+
+
+encode_decode_3_test() ->
+  {ok, Transport} = thrift_memory_buffer:new(),
+  {ok, Protocol0} = thrift_binary_protocol:new(Transport),
+  TestData = #bools{im_true = true, im_false = false},
+  {Protocol1, ok} = thrift_protocol:write(Protocol0,
+    {{struct, element(2, thriftTest_types:struct_info('bools'))},
+      TestData}),
+  {_Protocol2, {ok, Result}} = thrift_protocol:read(Protocol1,
+    {struct, element(2, thriftTest_types:struct_info('bools'))},
+    'bools'),
+
+  true = TestData#bools.im_true  =:= Result#bools.im_true,
+  true = TestData#bools.im_false =:= Result#bools.im_false.
+
+
+encode_decode_4_test() ->
+  {ok, Transport} = thrift_memory_buffer:new(),
+  {ok, Protocol0} = thrift_binary_protocol:new(Transport),
+  TestData = #insanity{xtructs=[]},
+  {Protocol1, ok} = thrift_protocol:write(Protocol0,
+    {{struct, element(2, thriftTest_types:struct_info('insanity'))},
+      TestData}),
+  {_Protocol2, {ok, Result}} = thrift_protocol:read(Protocol1,
+    {struct, element(2, thriftTest_types:struct_info('insanity'))},
+    'insanity'),
+
+  TestData = Result.
+
+encode_decode_5_test() ->
+  % test writing to a buffer, getting the bytes out, putting them
+  % in a new buffer and reading them
+
+  % here's the writing part
+  {ok, Transport0} = thrift_memory_buffer:new(),
+  {ok, Protocol0} = thrift_binary_protocol:new(Transport0),
+  TestData = test_data(),
+  {Protocol1, ok} = thrift_protocol:write(Protocol0,
+    {{struct, element(2, thriftTest_types:struct_info('xtruct'))},
+      TestData}),
+  % flush now returns the buffer
+  {_Protocol2, Buf} = thrift_protocol:flush_transport (Protocol1),
+
+  % now the reading part
+  {ok, T2} = thrift_memory_buffer:new (Buf),
+  {ok, P2} = thrift_binary_protocol:new(T2),
+  {_, {ok, Result}} = thrift_protocol:read(P2,
+    {struct, element(2, thriftTest_types:struct_info('xtruct'))},
+    'xtruct'),
+
+  Result = TestData.
+
+-endif.
diff --git a/lib/erl/test/test_server.erl b/lib/erl/test/test_server.erl
new file mode 100644
index 0000000..63f7b08
--- /dev/null
+++ b/lib/erl/test/test_server.erl
@@ -0,0 +1,204 @@
+%%
+%% 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.
+%%
+
+-module(test_server).
+
+-export([go/0, go/1, start_link/2, handle_function/2]).
+
+-include("thriftTest_types.hrl").
+
+-record(options, {port = 9090,
+                  server_opts = []}).
+
+parse_args(Args) -> parse_args(Args, #options{}).
+parse_args([], Opts) -> Opts;
+parse_args([Head | Rest], Opts) ->
+    NewOpts =
+        case catch list_to_integer(Head) of
+            Port when is_integer(Port) ->
+                Opts#options{port = Port};
+            _Else ->
+                case Head of
+                    "framed" ->
+                        Opts#options{server_opts = [{framed, true} | Opts#options.server_opts]};
+                    "" ->
+                        Opts;
+                    _Else ->
+                        erlang:error({bad_arg, Head})
+                end
+        end,
+    parse_args(Rest, NewOpts).
+
+go() -> go([]).
+go(Args) ->
+    #options{port = Port, server_opts = ServerOpts} = parse_args(Args),
+    spawn(fun() -> start_link(Port, ServerOpts), receive after infinity -> ok end end).
+
+start_link(Port, ServerOpts) ->
+    thrift_socket_server:start([{handler, ?MODULE},
+                                {service, thriftTest_thrift},
+                                {port, Port}] ++
+                               ServerOpts).
+
+
+handle_function(testVoid, {}) ->
+    io:format("testVoid~n"),
+    ok;
+
+handle_function(testString, {S}) when is_binary(S) ->
+    io:format("testString: ~p~n", [S]),
+    {reply, S};
+
+handle_function(testByte, {I8}) when is_integer(I8) ->
+    io:format("testByte: ~p~n", [I8]),
+    {reply, I8};
+
+handle_function(testI32, {I32}) when is_integer(I32) ->
+    io:format("testI32: ~p~n", [I32]),
+    {reply, I32};
+
+handle_function(testI64, {I64}) when is_integer(I64) ->
+    io:format("testI64: ~p~n", [I64]),
+    {reply, I64};
+
+handle_function(testDouble, {Double}) when is_float(Double) ->
+    io:format("testDouble: ~p~n", [Double]),
+    {reply, Double};
+
+handle_function(testStruct,
+                {Struct = #xtruct{string_thing = String,
+                                 byte_thing = Byte,
+                                 i32_thing = I32,
+                                 i64_thing = I64}})
+when is_binary(String),
+     is_integer(Byte),
+     is_integer(I32),
+     is_integer(I64) ->
+    io:format("testStruct: ~p~n", [Struct]),
+    {reply, Struct};
+
+handle_function(testNest,
+                {Nest}) when is_record(Nest, xtruct2),
+                             is_record(Nest#xtruct2.struct_thing, xtruct) ->
+    io:format("testNest: ~p~n", [Nest]),
+    {reply, Nest};
+
+handle_function(testMap, {Map}) ->
+    io:format("testMap: ~p~n", [dict:to_list(Map)]),
+    {reply, Map};
+
+handle_function(testSet, {Set}) ->
+    true = sets:is_set(Set),
+    io:format("testSet: ~p~n", [sets:to_list(Set)]),
+    {reply, Set};
+
+handle_function(testList, {List}) when is_list(List) ->
+    io:format("testList: ~p~n", [List]),
+    {reply, List};
+
+handle_function(testEnum, {Enum}) when is_integer(Enum) ->
+    io:format("testEnum: ~p~n", [Enum]),
+    {reply, Enum};
+
+handle_function(testTypedef, {UserID}) when is_integer(UserID) ->
+    io:format("testTypedef: ~p~n", [UserID]),
+    {reply, UserID};
+
+handle_function(testMapMap, {Hello}) ->
+    io:format("testMapMap: ~p~n", [Hello]),
+
+    PosList = [{I, I}   || I <- lists:seq(1, 5)],
+    NegList = [{-I, -I} || I <- lists:seq(1, 5)],
+
+    MapMap = dict:from_list([{4,  dict:from_list(PosList)},
+                             {-4, dict:from_list(NegList)}]),
+    {reply, MapMap};
+
+handle_function(testInsanity, {Insanity}) when is_record(Insanity, insanity) ->
+    Hello = #xtruct{string_thing = <<"Hello2">>,
+                    byte_thing = 2,
+                    i32_thing = 2,
+                    i64_thing = 2},
+
+    Goodbye = #xtruct{string_thing = <<"Goodbye4">>,
+                      byte_thing = 4,
+                      i32_thing = 4,
+                      i64_thing = 4},
+    Crazy = #insanity{
+      userMap = dict:from_list([{?thriftTest_Numberz_EIGHT, 8}]),
+      xtructs = [Goodbye]
+      },
+
+    Looney = #insanity{
+      userMap = dict:from_list([{?thriftTest_Numberz_FIVE, 5}]),
+      xtructs = [Hello]
+      },
+
+    FirstMap = dict:from_list([{?thriftTest_Numberz_TWO, Crazy},
+                               {?thriftTest_Numberz_THREE, Crazy}]),
+
+    SecondMap = dict:from_list([{?thriftTest_Numberz_SIX, Looney}]),
+
+    Insane = dict:from_list([{1, FirstMap},
+                             {2, SecondMap}]),
+
+    io:format("Return = ~p~n", [Insane]),
+
+    {reply, Insane};
+
+handle_function(testMulti, Args = {Arg0, Arg1, Arg2, _Arg3, Arg4, Arg5})
+  when is_integer(Arg0),
+       is_integer(Arg1),
+       is_integer(Arg2),
+       is_integer(Arg4),
+       is_integer(Arg5) ->
+
+    io:format("testMulti(~p)~n", [Args]),
+    {reply, #xtruct{string_thing = <<"Hello2">>,
+                    byte_thing = Arg0,
+                    i32_thing = Arg1,
+                    i64_thing = Arg2}};
+
+handle_function(testException, {String}) when is_binary(String) ->
+    io:format("testException(~p)~n", [String]),
+    case String of
+        <<"Xception">> ->
+            throw(#xception{errorCode = 1001,
+                            message = String});
+        _ ->
+            ok
+    end;
+
+handle_function(testMultiException, {Arg0, Arg1}) ->
+    io:format("testMultiException(~p, ~p)~n", [Arg0, Arg1]),
+    case Arg0 of
+        <<"Xception">> ->
+            throw(#xception{errorCode = 1001,
+                                   message = <<"This is an Xception">>});
+        <<"Xception2">> ->
+            throw(#xception2{errorCode = 2002,
+                                    struct_thing =
+                                    #xtruct{string_thing = <<"This is an Xception2">>}});
+        _ ->
+            {reply, #xtruct{string_thing = Arg1}}
+    end;
+
+handle_function(testOneway, {Seconds}) ->
+    timer:sleep(1000 * Seconds),
+    ok.
diff --git a/lib/erl/test/test_thrift_1151.erl b/lib/erl/test/test_thrift_1151.erl
new file mode 100644
index 0000000..9cee486
--- /dev/null
+++ b/lib/erl/test/test_thrift_1151.erl
@@ -0,0 +1,24 @@
+-module(test_thrift_1151).
+
+-include("thrift1151_types.hrl").
+
+-ifdef(TEST).
+-include_lib("eunit/include/eunit.hrl").
+
+unmatched_struct_test() ->
+  S1 = #structC{x=#structB{x=1}},
+  {ok, Transport} = thrift_memory_buffer:new(),
+  {ok, Protocol} = thrift_binary_protocol:new(Transport),
+  ?assertException (error, struct_unmatched,
+    thrift_protocol:write(Protocol,
+      {{struct, element(2, thrift1151_types:struct_info('structC'))}, S1})).
+
+badarg_test() ->
+  S2 = #structC{x=#structA{x="1"}},
+  {ok, Transport} = thrift_memory_buffer:new(),
+  {ok, Protocol} = thrift_binary_protocol:new(Transport),
+  ?assertException (error, badarg,
+    thrift_protocol:write(Protocol,
+      {{struct, element(2, thrift1151_types:struct_info('structC'))}, S2})).
+
+-endif.