// 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"
#include "rapidjson/filereadstream.h"
#include "rapidjson/filewritestream.h"
#include "rapidjson/encodedstream.h"
#include "rapidjson/stringbuffer.h"
#include "rapidjson/memorystream.h"
#include "rapidjson/memorybuffer.h"
using namespace rapidjson;
class EncodedStreamTest : public ::testing::Test {
public:
EncodedStreamTest() : json_(), length_() {}
virtual void SetUp() {
json_ = ReadFile("utf8.json", true, &length_);
}
virtual void TearDown() {
free(json_);
json_ = 0;
}
private:
EncodedStreamTest(const EncodedStreamTest&);
EncodedStreamTest& operator=(const EncodedStreamTest&);
protected:
static FILE* Open(const char* filename) {
const char *paths[] = {
"encodings/%s",
"bin/encodings/%s",
"../bin/encodings/%s",
"../../bin/encodings/%s",
"../../../bin/encodings/%s"
};
char buffer[1024];
for (size_t i = 0; i < sizeof(paths) / sizeof(paths[0]); i++) {
sprintf(buffer, paths[i], filename);
FILE *fp = fopen(buffer, "rb");
if (fp)
return fp;
}
return 0;
}
static char *ReadFile(const char* filename, bool appendPath, size_t* outLength) {
FILE *fp = appendPath ? Open(filename) : fopen(filename, "rb");
if (!fp) {
*outLength = 0;
return 0;
}
fseek(fp, 0, SEEK_END);
*outLength = (size_t)ftell(fp);
fseek(fp, 0, SEEK_SET);
char* buffer = (char*)malloc(*outLength + 1);
size_t readLength = fread(buffer, 1, *outLength, fp);
buffer[readLength] = '\0';
fclose(fp);
return buffer;
}
template <typename FileEncoding, typename MemoryEncoding>
void TestEncodedInputStream(const char* filename) {
// Test FileReadStream
{
char buffer[16];
FILE *fp = Open(filename);
ASSERT_TRUE(fp != 0);
FileReadStream fs(fp, buffer, sizeof(buffer));
EncodedInputStream<FileEncoding, FileReadStream> eis(fs);
StringStream s(json_);
while (eis.Peek() != '\0') {
unsigned expected, actual;
EXPECT_TRUE(UTF8<>::Decode(s, &expected));
EXPECT_TRUE(MemoryEncoding::Decode(eis, &actual));
EXPECT_EQ(expected, actual);
}
EXPECT_EQ('\0', s.Peek());
fclose(fp);
}
// Test MemoryStream
{
size_t size;
char* data = ReadFile(filename, true, &size);
MemoryStream ms(data, size);
EncodedInputStream<FileEncoding, MemoryStream> eis(ms);
StringStream s(json_);
while (eis.Peek() != '\0') {
unsigned expected, actual;
EXPECT_TRUE(UTF8<>::Decode(s, &expected));
EXPECT_TRUE(MemoryEncoding::Decode(eis, &actual));
EXPECT_EQ(expected, actual);
}
EXPECT_EQ('\0', s.Peek());
free(data);
EXPECT_EQ(size, eis.Tell());
}
}
void TestAutoUTFInputStream(const char *filename, bool expectHasBOM) {
// Test FileReadStream
{
char buffer[16];
FILE *fp = Open(filename);
ASSERT_TRUE(fp != 0);
FileReadStream fs(fp, buffer, sizeof(buffer));
AutoUTFInputStream<unsigned, FileReadStream> eis(fs);
EXPECT_EQ(expectHasBOM, eis.HasBOM());
StringStream s(json_);
while (eis.Peek() != '\0') {
unsigned expected, actual;
EXPECT_TRUE(UTF8<>::Decode(s, &expected));
EXPECT_TRUE(AutoUTF<unsigned>::Decode(eis, &actual));
EXPECT_EQ(expected, actual);
}
EXPECT_EQ('\0', s.Peek());
fclose(fp);
}
// Test MemoryStream
{
size_t size;
char* data = ReadFile(filename, true, &size);
MemoryStream ms(data, size);
AutoUTFInputStream<unsigned, MemoryStream> eis(ms);
EXPECT_EQ(expectHasBOM, eis.HasBOM());
StringStream s(json_);
while (eis.Peek() != '\0') {
unsigned expected, actual;
EXPECT_TRUE(UTF8<>::Decode(s, &expected));
EXPECT_TRUE(AutoUTF<unsigned>::Decode(eis, &actual));
EXPECT_EQ(expected, actual);
}
EXPECT_EQ('\0', s.Peek());
free(data);
EXPECT_EQ(size, eis.Tell());
}
}
template <typename FileEncoding, typename MemoryEncoding>
void TestEncodedOutputStream(const char* expectedFilename, bool putBOM) {
// Test FileWriteStream
{
char filename[L_tmpnam];
FILE* fp = TempFile(filename);
char buffer[16];
FileWriteStream os(fp, buffer, sizeof(buffer));
EncodedOutputStream<FileEncoding, FileWriteStream> eos(os, putBOM);
StringStream s(json_);
while (s.Peek() != '\0') {
bool success = Transcoder<UTF8<>, MemoryEncoding>::Transcode(s, eos);
EXPECT_TRUE(success);
}
eos.Flush();
fclose(fp);
EXPECT_TRUE(CompareFile(filename, expectedFilename));
remove(filename);
}
// Test MemoryBuffer
{
MemoryBuffer mb;
EncodedOutputStream<FileEncoding, MemoryBuffer> eos(mb, putBOM);
StringStream s(json_);
while (s.Peek() != '\0') {
bool success = Transcoder<UTF8<>, MemoryEncoding>::Transcode(s, eos);
EXPECT_TRUE(success);
}
eos.Flush();
EXPECT_TRUE(CompareBufferFile(mb.GetBuffer(), mb.GetSize(), expectedFilename));
}
}
void TestAutoUTFOutputStream(UTFType type, bool putBOM, const char *expectedFilename) {
// Test FileWriteStream
{
char filename[L_tmpnam];
FILE* fp = TempFile(filename);
char buffer[16];
FileWriteStream os(fp, buffer, sizeof(buffer));
AutoUTFOutputStream<unsigned, FileWriteStream> eos(os, type, putBOM);
StringStream s(json_);
while (s.Peek() != '\0') {
bool success = Transcoder<UTF8<>, AutoUTF<unsigned> >::Transcode(s, eos);
EXPECT_TRUE(success);
}
eos.Flush();
fclose(fp);
EXPECT_TRUE(CompareFile(filename, expectedFilename));
remove(filename);
}
// Test MemoryBuffer
{
MemoryBuffer mb;
AutoUTFOutputStream<unsigned, MemoryBuffer> eos(mb, type, putBOM);
StringStream s(json_);
while (s.Peek() != '\0') {
bool success = Transcoder<UTF8<>, AutoUTF<unsigned> >::Transcode(s, eos);
EXPECT_TRUE(success);
}
eos.Flush();
EXPECT_TRUE(CompareBufferFile(mb.GetBuffer(), mb.GetSize(), expectedFilename));
}
}
bool CompareFile(const char* filename, const char* expectedFilename) {
size_t actualLength, expectedLength;
char* actualBuffer = ReadFile(filename, false, &actualLength);
char* expectedBuffer = ReadFile(expectedFilename, true, &expectedLength);
bool ret = (expectedLength == actualLength) && memcmp(expectedBuffer, actualBuffer, actualLength) == 0;
free(actualBuffer);
free(expectedBuffer);
return ret;
}
bool CompareBufferFile(const char* actualBuffer, size_t actualLength, const char* expectedFilename) {
size_t expectedLength;
char* expectedBuffer = ReadFile(expectedFilename, true, &expectedLength);
bool ret = (expectedLength == actualLength) && memcmp(expectedBuffer, actualBuffer, actualLength) == 0;
free(expectedBuffer);
return ret;
}
char *json_;
size_t length_;
};
TEST_F(EncodedStreamTest, EncodedInputStream) {
TestEncodedInputStream<UTF8<>, UTF8<> >("utf8.json");
TestEncodedInputStream<UTF8<>, UTF8<> >("utf8bom.json");
TestEncodedInputStream<UTF16LE<>, UTF16<> >("utf16le.json");
TestEncodedInputStream<UTF16LE<>, UTF16<> >("utf16lebom.json");
TestEncodedInputStream<UTF16BE<>, UTF16<> >("utf16be.json");
TestEncodedInputStream<UTF16BE<>, UTF16<> >("utf16bebom.json");
TestEncodedInputStream<UTF32LE<>, UTF32<> >("utf32le.json");
TestEncodedInputStream<UTF32LE<>, UTF32<> >("utf32lebom.json");
TestEncodedInputStream<UTF32BE<>, UTF32<> >("utf32be.json");
TestEncodedInputStream<UTF32BE<>, UTF32<> >("utf32bebom.json");
}
TEST_F(EncodedStreamTest, AutoUTFInputStream) {
TestAutoUTFInputStream("utf8.json", false);
TestAutoUTFInputStream("utf8bom.json", true);
TestAutoUTFInputStream("utf16le.json", false);
TestAutoUTFInputStream("utf16lebom.json",true);
TestAutoUTFInputStream("utf16be.json", false);
TestAutoUTFInputStream("utf16bebom.json",true);
TestAutoUTFInputStream("utf32le.json", false);
TestAutoUTFInputStream("utf32lebom.json",true);
TestAutoUTFInputStream("utf32be.json", false);
TestAutoUTFInputStream("utf32bebom.json", true);
{
// Auto detection fail, use user defined UTF type
const char json[] = "{ }";
MemoryStream ms(json, sizeof(json));
AutoUTFInputStream<unsigned, MemoryStream> eis(ms, kUTF8);
EXPECT_FALSE(eis.HasBOM());
EXPECT_EQ(kUTF8, eis.GetType());
}
}
TEST_F(EncodedStreamTest, EncodedOutputStream) {
TestEncodedOutputStream<UTF8<>, UTF8<> >("utf8.json", false);
TestEncodedOutputStream<UTF8<>, UTF8<> >("utf8bom.json", true);
TestEncodedOutputStream<UTF16LE<>, UTF16<> >("utf16le.json", false);
TestEncodedOutputStream<UTF16LE<>, UTF16<> >("utf16lebom.json",true);
TestEncodedOutputStream<UTF16BE<>, UTF16<> >("utf16be.json", false);
TestEncodedOutputStream<UTF16BE<>, UTF16<> >("utf16bebom.json",true);
TestEncodedOutputStream<UTF32LE<>, UTF32<> >("utf32le.json", false);
TestEncodedOutputStream<UTF32LE<>, UTF32<> >("utf32lebom.json",true);
TestEncodedOutputStream<UTF32BE<>, UTF32<> >("utf32be.json", false);
TestEncodedOutputStream<UTF32BE<>, UTF32<> >("utf32bebom.json",true);
}
TEST_F(EncodedStreamTest, AutoUTFOutputStream) {
TestAutoUTFOutputStream(kUTF8, false, "utf8.json");
TestAutoUTFOutputStream(kUTF8, true, "utf8bom.json");
TestAutoUTFOutputStream(kUTF16LE, false, "utf16le.json");
TestAutoUTFOutputStream(kUTF16LE, true, "utf16lebom.json");
TestAutoUTFOutputStream(kUTF16BE, false, "utf16be.json");
TestAutoUTFOutputStream(kUTF16BE, true, "utf16bebom.json");
TestAutoUTFOutputStream(kUTF32LE, false, "utf32le.json");
TestAutoUTFOutputStream(kUTF32LE, true, "utf32lebom.json");
TestAutoUTFOutputStream(kUTF32BE, false, "utf32be.json");
TestAutoUTFOutputStream(kUTF32BE, true, "utf32bebom.json");
}