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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"
#include "rapidjson/filereadstream.h"
#include "rapidjson/filewritestream.h"
#include "rapidjson/encodedstream.h"
using namespace rapidjson;
class FileStreamTest : public ::testing::Test {
public:
FileStreamTest() : filename_(), json_(), length_() {}
virtual void SetUp() {
const char *paths[] = {
"data/sample.json",
"bin/data/sample.json",
"../bin/data/sample.json",
"../../bin/data/sample.json",
"../../../bin/data/sample.json"
};
FILE* fp = 0;
for (size_t i = 0; i < sizeof(paths) / sizeof(paths[0]); i++) {
fp = fopen(paths[i], "rb");
if (fp) {
filename_ = paths[i];
break;
}
}
ASSERT_TRUE(fp != 0);
fseek(fp, 0, SEEK_END);
length_ = (size_t)ftell(fp);
fseek(fp, 0, SEEK_SET);
json_ = (char*)malloc(length_ + 1);
size_t readLength = fread(json_, 1, length_, fp);
json_[readLength] = '\0';
fclose(fp);
}
virtual void TearDown() {
free(json_);
json_ = 0;
}
private:
FileStreamTest(const FileStreamTest&);
FileStreamTest& operator=(const FileStreamTest&);
protected:
const char* filename_;
char *json_;
size_t length_;
};
TEST_F(FileStreamTest, FileReadStream) {
FILE *fp = fopen(filename_, "rb");
ASSERT_TRUE(fp != 0);
char buffer[65536];
FileReadStream s(fp, buffer, sizeof(buffer));
for (size_t i = 0; i < length_; i++) {
EXPECT_EQ(json_[i], s.Peek());
EXPECT_EQ(json_[i], s.Peek()); // 2nd time should be the same
EXPECT_EQ(json_[i], s.Take());
}
EXPECT_EQ(length_, s.Tell());
EXPECT_EQ('\0', s.Peek());
fclose(fp);
}
TEST_F(FileStreamTest, FileWriteStream) {
char filename[L_tmpnam];
FILE* fp = TempFile(filename);
char buffer[65536];
FileWriteStream os(fp, buffer, sizeof(buffer));
for (size_t i = 0; i < length_; i++)
os.Put(json_[i]);
os.Flush();
fclose(fp);
// Read it back to verify
fp = fopen(filename, "rb");
FileReadStream is(fp, buffer, sizeof(buffer));
for (size_t i = 0; i < length_; i++)
EXPECT_EQ(json_[i], is.Take());
EXPECT_EQ(length_, is.Tell());
fclose(fp);
//std::cout << filename << std::endl;
remove(filename);
}
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