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diff --git a/src/rapidjson/test/unittest/fwdtest.cpp b/src/rapidjson/test/unittest/fwdtest.cpp
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+++ b/src/rapidjson/test/unittest/fwdtest.cpp
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+// Tencent is pleased to support the open source community by making RapidJSON available.
+// 
+// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
+//
+// Licensed under the MIT License (the "License"); you may not use this file except
+// in compliance with the License. You may obtain a copy of the License at
+//
+// http://opensource.org/licenses/MIT
+//
+// 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 "unittest.h"
+
+// Using forward declared types here.
+
+#include "rapidjson/fwd.h"
+
+#ifdef __GNUC__
+RAPIDJSON_DIAG_PUSH
+RAPIDJSON_DIAG_OFF(effc++)
+#endif
+
+using namespace rapidjson;
+
+struct Foo {
+    Foo();
+    ~Foo();
+
+    // encodings.h
+    UTF8<char>* utf8;
+    UTF16<wchar_t>* utf16;
+    UTF16BE<wchar_t>* utf16be;
+    UTF16LE<wchar_t>* utf16le;
+    UTF32<unsigned>* utf32;
+    UTF32BE<unsigned>* utf32be;
+    UTF32LE<unsigned>* utf32le;
+    ASCII<char>* ascii;
+    AutoUTF<unsigned>* autoutf;
+    Transcoder<UTF8<char>, UTF8<char> >* transcoder;
+
+    // allocators.h
+    CrtAllocator* crtallocator;
+    MemoryPoolAllocator<CrtAllocator>* memorypoolallocator;
+
+    // stream.h
+    StringStream* stringstream;
+    InsituStringStream* insitustringstream;
+
+    // stringbuffer.h
+    StringBuffer* stringbuffer;
+
+    // // filereadstream.h
+    // FileReadStream* filereadstream;
+
+    // // filewritestream.h
+    // FileWriteStream* filewritestream;
+
+    // memorybuffer.h
+    MemoryBuffer* memorybuffer;
+
+    // memorystream.h
+    MemoryStream* memorystream;
+
+    // reader.h
+    BaseReaderHandler<UTF8<char>, void>* basereaderhandler;
+    Reader* reader;
+
+    // writer.h
+    Writer<StringBuffer, UTF8<char>, UTF8<char>, CrtAllocator, 0>* writer;
+
+    // prettywriter.h
+    PrettyWriter<StringBuffer, UTF8<char>, UTF8<char>, CrtAllocator, 0>* prettywriter;
+
+    // document.h
+    Value* value;
+    Document* document;
+
+    // pointer.h
+    Pointer* pointer;
+
+    // schema.h
+    SchemaDocument* schemadocument;
+    SchemaValidator* schemavalidator;
+
+    // char buffer[16];
+};
+
+// Using type definitions here.
+
+#include "rapidjson/stringbuffer.h"
+#include "rapidjson/filereadstream.h"
+#include "rapidjson/filewritestream.h"
+#include "rapidjson/memorybuffer.h"
+#include "rapidjson/memorystream.h"
+#include "rapidjson/document.h" // -> reader.h
+#include "rapidjson/writer.h"
+#include "rapidjson/prettywriter.h"
+#include "rapidjson/schema.h"   // -> pointer.h
+
+Foo::Foo() : 
+    // encodings.h
+    utf8(RAPIDJSON_NEW(UTF8<>)),
+    utf16(RAPIDJSON_NEW(UTF16<>)),
+    utf16be(RAPIDJSON_NEW(UTF16BE<>)),
+    utf16le(RAPIDJSON_NEW(UTF16LE<>)),
+    utf32(RAPIDJSON_NEW(UTF32<>)),
+    utf32be(RAPIDJSON_NEW(UTF32BE<>)),
+    utf32le(RAPIDJSON_NEW(UTF32LE<>)),
+    ascii(RAPIDJSON_NEW(ASCII<>)),
+    autoutf(RAPIDJSON_NEW(AutoUTF<unsigned>)),
+    transcoder(RAPIDJSON_NEW((Transcoder<UTF8<>, UTF8<> >))),
+
+    // allocators.h
+    crtallocator(RAPIDJSON_NEW(CrtAllocator)),
+    memorypoolallocator(RAPIDJSON_NEW(MemoryPoolAllocator<>)),
+
+    // stream.h
+    stringstream(RAPIDJSON_NEW(StringStream(0))),
+    insitustringstream(RAPIDJSON_NEW(InsituStringStream(0))),
+
+    // stringbuffer.h
+    stringbuffer(RAPIDJSON_NEW(StringBuffer)),
+
+    // // filereadstream.h
+    // filereadstream(RAPIDJSON_NEW(FileReadStream(stdout, buffer, sizeof(buffer)))),
+
+    // // filewritestream.h
+    // filewritestream(RAPIDJSON_NEW(FileWriteStream(stdout, buffer, sizeof(buffer)))),
+
+    // memorybuffer.h
+    memorybuffer(RAPIDJSON_NEW(MemoryBuffer)),
+
+    // memorystream.h
+    memorystream(RAPIDJSON_NEW(MemoryStream(0, 0))),
+
+    // reader.h
+    basereaderhandler(RAPIDJSON_NEW((BaseReaderHandler<UTF8<>, void>))),
+    reader(RAPIDJSON_NEW(Reader)),
+
+    // writer.h
+    writer(RAPIDJSON_NEW((Writer<StringBuffer>))),
+
+    // prettywriter.h
+    prettywriter(RAPIDJSON_NEW((PrettyWriter<StringBuffer>))),
+
+    // document.h
+    value(RAPIDJSON_NEW(Value)),
+    document(RAPIDJSON_NEW(Document)),
+
+    // pointer.h
+    pointer(RAPIDJSON_NEW(Pointer)),
+
+    // schema.h
+    schemadocument(RAPIDJSON_NEW(SchemaDocument(*document))),
+    schemavalidator(RAPIDJSON_NEW(SchemaValidator(*schemadocument)))
+{
+
+}
+
+Foo::~Foo() {
+    // encodings.h
+    RAPIDJSON_DELETE(utf8);
+    RAPIDJSON_DELETE(utf16);
+    RAPIDJSON_DELETE(utf16be);
+    RAPIDJSON_DELETE(utf16le);
+    RAPIDJSON_DELETE(utf32);
+    RAPIDJSON_DELETE(utf32be);
+    RAPIDJSON_DELETE(utf32le);
+    RAPIDJSON_DELETE(ascii);
+    RAPIDJSON_DELETE(autoutf);
+    RAPIDJSON_DELETE(transcoder);
+
+    // allocators.h
+    RAPIDJSON_DELETE(crtallocator);
+    RAPIDJSON_DELETE(memorypoolallocator);
+
+    // stream.h
+    RAPIDJSON_DELETE(stringstream);
+    RAPIDJSON_DELETE(insitustringstream);
+
+    // stringbuffer.h
+    RAPIDJSON_DELETE(stringbuffer);
+
+    // // filereadstream.h
+    // RAPIDJSON_DELETE(filereadstream);
+
+    // // filewritestream.h
+    // RAPIDJSON_DELETE(filewritestream);
+
+    // memorybuffer.h
+    RAPIDJSON_DELETE(memorybuffer);
+
+    // memorystream.h
+    RAPIDJSON_DELETE(memorystream);
+
+    // reader.h
+    RAPIDJSON_DELETE(basereaderhandler);
+    RAPIDJSON_DELETE(reader);
+
+    // writer.h
+    RAPIDJSON_DELETE(writer);
+
+    // prettywriter.h
+    RAPIDJSON_DELETE(prettywriter);
+
+    // document.h
+    RAPIDJSON_DELETE(value);
+    RAPIDJSON_DELETE(document);
+
+    // pointer.h
+    RAPIDJSON_DELETE(pointer);
+
+    // schema.h
+    RAPIDJSON_DELETE(schemadocument);
+    RAPIDJSON_DELETE(schemavalidator);
+}
+
+TEST(Fwd, Fwd) {
+    Foo f;
+}
+
+#ifdef __GNUC__
+RAPIDJSON_DIAG_POP
+#endif