129 lines
3.9 KiB
C++
129 lines
3.9 KiB
C++
// Copyright 2014 Google Inc. All rights reserved.
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//
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file or at
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// https://developers.google.com/open-source/licenses/bsd
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#include <gtest/gtest.h>
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#include "packager/base/file_util.h"
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#include "packager/media/file/file.h"
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namespace {
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const int kDataSize = 1024;
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}
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namespace edash_packager {
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namespace media {
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class LocalFileTest : public testing::Test {
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protected:
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virtual void SetUp() {
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data_.resize(kDataSize);
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for (int i = 0; i < kDataSize; ++i)
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data_[i] = i % 256;
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// Test file path for file_util API.
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ASSERT_TRUE(base::CreateTemporaryFile(&test_file_path_));
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local_file_name_no_prefix_ = test_file_path_.value();
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// Local file name with prefix for File API.
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local_file_name_ = kLocalFilePrefix;
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local_file_name_ += local_file_name_no_prefix_;
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}
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virtual void TearDown() {
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// Remove test file if created.
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base::DeleteFile(base::FilePath(local_file_name_no_prefix_), false);
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}
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std::string data_;
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// Path to the temporary file for this test.
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base::FilePath test_file_path_;
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// Same as |test_file_path_| but in string form.
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std::string local_file_name_no_prefix_;
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// Same as |local_file_name_no_prefix_| but with the file prefix.
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std::string local_file_name_;
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};
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TEST_F(LocalFileTest, ReadNotExist) {
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// Remove test file if it exists.
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base::DeleteFile(base::FilePath(local_file_name_no_prefix_), false);
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ASSERT_TRUE(File::Open(local_file_name_.c_str(), "r") == NULL);
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}
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TEST_F(LocalFileTest, Size) {
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ASSERT_EQ(kDataSize,
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file_util::WriteFile(test_file_path_, data_.data(), kDataSize));
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ASSERT_EQ(kDataSize, File::GetFileSize(local_file_name_.c_str()));
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}
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TEST_F(LocalFileTest, Write) {
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// Write file using File API.
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File* file = File::Open(local_file_name_.c_str(), "w");
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ASSERT_TRUE(file != NULL);
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EXPECT_EQ(kDataSize, file->Write(&data_[0], kDataSize));
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EXPECT_EQ(kDataSize, file->Size());
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EXPECT_TRUE(file->Close());
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// Read file using file_util API.
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std::string read_data(kDataSize, 0);
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ASSERT_EQ(kDataSize,
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base::ReadFile(test_file_path_, &read_data[0], kDataSize));
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// Compare data written and read.
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EXPECT_EQ(data_, read_data);
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}
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TEST_F(LocalFileTest, Read_And_Eof) {
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// Write file using file_util API.
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ASSERT_EQ(kDataSize,
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file_util::WriteFile(test_file_path_, data_.data(), kDataSize));
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// Read file using File API.
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File* file = File::Open(local_file_name_.c_str(), "r");
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ASSERT_TRUE(file != NULL);
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// Read half of the file.
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const int kFirstReadBytes = kDataSize / 2;
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std::string read_data(kFirstReadBytes + kDataSize, 0);
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EXPECT_EQ(kFirstReadBytes, file->Read(&read_data[0], kFirstReadBytes));
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// Read the remaining half of the file and verify EOF.
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EXPECT_EQ(kDataSize - kFirstReadBytes,
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file->Read(&read_data[kFirstReadBytes], kDataSize));
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uint8_t single_byte;
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EXPECT_EQ(0, file->Read(&single_byte, sizeof(single_byte)));
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EXPECT_TRUE(file->Close());
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// Compare data written and read.
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read_data.resize(kDataSize);
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EXPECT_EQ(data_, read_data);
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}
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TEST_F(LocalFileTest, WriteRead) {
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// Write file using File API, using file name directly (without prefix).
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File* file = File::Open(local_file_name_no_prefix_.c_str(), "w");
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ASSERT_TRUE(file != NULL);
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EXPECT_EQ(kDataSize, file->Write(&data_[0], kDataSize));
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EXPECT_EQ(kDataSize, file->Size());
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EXPECT_TRUE(file->Close());
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// Read file using File API, using local file prefix + file name.
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file = File::Open(local_file_name_.c_str(), "r");
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ASSERT_TRUE(file != NULL);
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// Read half of the file and verify that Eof is not true.
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std::string read_data(kDataSize, 0);
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EXPECT_EQ(kDataSize, file->Read(&read_data[0], kDataSize));
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EXPECT_TRUE(file->Close());
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// Compare data written and read.
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EXPECT_EQ(data_, read_data);
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}
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} // namespace media
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} // namespace edash_packager
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