1 files changed, 166 insertions, 0 deletions
diff --git a/src/rapidjson/test/perftest/platformtest.cpp b/src/rapidjson/test/perftest/platformtest.cpp
new file mode 100644
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+++ b/src/rapidjson/test/perftest/platformtest.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 "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