64 lines
1.9 KiB
C++
64 lines
1.9 KiB
C++
// Copyright (c) 2016 The WebM project authors. All Rights Reserved.
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//
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// Use of this source code is governed by a BSD-style license
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// that can be found in the LICENSE file in the root of the source
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// tree. An additional intellectual property rights grant can be found
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// in the file PATENTS. All contributing project authors may
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// be found in the AUTHORS file in the root of the source tree.
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#include "testing/test_util.h"
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#ifdef _MSC_VER
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// Disable MSVC warnings that suggest making code non-portable.
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#pragma warning(disable : 4996)
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#endif
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#include <cstdint>
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#include <cstdio>
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#include <cstdlib>
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#include <cstring>
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#include <ios>
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#include <string>
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#include "common/libwebm_util.h"
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namespace libwebm {
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namespace test {
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std::string GetTestDataDir() {
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const char* test_data_path = std::getenv("LIBWEBM_TEST_DATA_PATH");
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return test_data_path ? std::string(test_data_path) : std::string();
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}
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std::string GetTestFilePath(const std::string& name) {
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const std::string libwebm_testdata_dir = GetTestDataDir();
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return libwebm_testdata_dir + "/" + name;
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}
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bool CompareFiles(const std::string& file1, const std::string& file2) {
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const std::size_t kBlockSize = 4096;
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std::uint8_t buf1[kBlockSize] = {0};
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std::uint8_t buf2[kBlockSize] = {0};
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FilePtr f1 = FilePtr(std::fopen(file1.c_str(), "rb"), FILEDeleter());
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FilePtr f2 = FilePtr(std::fopen(file2.c_str(), "rb"), FILEDeleter());
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if (!f1.get() || !f2.get()) {
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// Files cannot match if one or both couldn't be opened.
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return false;
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}
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do {
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const std::size_t r1 = std::fread(buf1, 1, kBlockSize, f1.get());
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const std::size_t r2 = std::fread(buf2, 1, kBlockSize, f2.get());
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if (r1 != r2 || std::memcmp(buf1, buf2, r1)) {
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return 0; // Files are not equal
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}
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} while (!std::feof(f1.get()) && !std::feof(f2.get()));
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return std::feof(f1.get()) && std::feof(f2.get());
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}
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} // namespace test
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} // namespace libwebm
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