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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 "perftest.h"
// This file is for giving the performance characteristics of the platform (compiler/OS/CPU).
#if TEST_PLATFORM
#include <cmath>
#include <fcntl.h>
// Windows
#ifdef _WIN32
#include <windows.h>
#endif
// UNIX
#if defined(unix) || defined(__unix__) || defined(__unix)
#include <unistd.h>
#ifdef _POSIX_MAPPED_FILES
#include <sys/mman.h>
#endif
#endif
class Platform : public PerfTest {
public:
virtual void SetUp() {
PerfTest::SetUp();
// temp buffer for testing
temp_ = (char *)malloc(length_ + 1);
memcpy(temp_, json_, length_);
checkSum_ = CheckSum();
}
char CheckSum() {
char c = 0;
for (size_t i = 0; i < length_; ++i)
c += temp_[i];
return c;
}
virtual void TearDown() {
PerfTest::TearDown();
free(temp_);
}
protected:
char *temp_;
char checkSum_;
};
TEST_F(Platform, CheckSum) {
for (int i = 0; i < kTrialCount; i++)
EXPECT_EQ(checkSum_, CheckSum());
}
TEST_F(Platform, strlen) {
for (int i = 0; i < kTrialCount; i++) {
size_t l = strlen(json_);
EXPECT_EQ(length_, l);
}
}
TEST_F(Platform, memcmp) {
for (int i = 0; i < kTrialCount; i++) {
EXPECT_EQ(0, memcmp(temp_, json_, length_));
}
}
TEST_F(Platform, pow) {
double sum = 0;
for (int i = 0; i < kTrialCount * kTrialCount; i++)
sum += pow(10.0, i & 255);
EXPECT_GT(sum, 0.0);
}
TEST_F(Platform, Whitespace_strlen) {
for (int i = 0; i < kTrialCount; i++) {
size_t l = strlen(whitespace_);
EXPECT_GT(l, whitespace_length_);
}
}
TEST_F(Platform, Whitespace_strspn) {
for (int i = 0; i < kTrialCount; i++) {
size_t l = strspn(whitespace_, " \n\r\t");
EXPECT_EQ(whitespace_length_, l);
}
}
TEST_F(Platform, fread) {
for (int i = 0; i < kTrialCount; i++) {
FILE *fp = fopen(filename_, "rb");
ASSERT_EQ(length_, fread(temp_, 1, length_, fp));
EXPECT_EQ(checkSum_, CheckSum());
fclose(fp);
}
}
#ifdef _MSC_VER
TEST_F(Platform, read) {
for (int i = 0; i < kTrialCount; i++) {
int fd = _open(filename_, _O_BINARY | _O_RDONLY);
ASSERT_NE(-1, fd);
ASSERT_EQ(length_, _read(fd, temp_, length_));
EXPECT_EQ(checkSum_, CheckSum());
_close(fd);
}
}
#else
TEST_F(Platform, read) {
for (int i = 0; i < kTrialCount; i++) {
int fd = open(filename_, O_RDONLY);
ASSERT_NE(-1, fd);
ASSERT_EQ(length_, read(fd, temp_, length_));
EXPECT_EQ(checkSum_, CheckSum());
close(fd);
}
}
#endif
#ifdef _WIN32
TEST_F(Platform, MapViewOfFile) {
for (int i = 0; i < kTrialCount; i++) {
HANDLE file = CreateFile(filename_, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
ASSERT_NE(INVALID_HANDLE_VALUE, file);
HANDLE mapObject = CreateFileMapping(file, NULL, PAGE_READONLY, 0, length_, NULL);
ASSERT_NE(INVALID_HANDLE_VALUE, mapObject);
void *p = MapViewOfFile(mapObject, FILE_MAP_READ, 0, 0, length_);
ASSERT_TRUE(p != NULL);
EXPECT_EQ(checkSum_, CheckSum());
ASSERT_TRUE(UnmapViewOfFile(p) == TRUE);
ASSERT_TRUE(CloseHandle(mapObject) == TRUE);
ASSERT_TRUE(CloseHandle(file) == TRUE);
}
}
#endif
#ifdef _POSIX_MAPPED_FILES
TEST_F(Platform, mmap) {
for (int i = 0; i < kTrialCount; i++) {
int fd = open(filename_, O_RDONLY);
ASSERT_NE(-1, fd);
void *p = mmap(NULL, length_, PROT_READ, MAP_PRIVATE, fd, 0);
ASSERT_TRUE(p != NULL);
EXPECT_EQ(checkSum_, CheckSum());
munmap(p, length_);
close(fd);
}
}
#endif
#endif // TEST_PLATFORM
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