aosp12/external/webrtc/test/testsupport/y4m_frame_writer_unittest.cc

82 lines
2.5 KiB
C++

/*
* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <memory>
#include <string>
#include "test/gtest.h"
#include "test/testsupport/file_utils.h"
#include "test/testsupport/frame_writer.h"
namespace webrtc {
namespace test {
namespace {
const size_t kFrameWidth = 50;
const size_t kFrameHeight = 20;
const size_t kFrameLength = 3 * kFrameWidth * kFrameHeight / 2; // I420.
const size_t kFrameRate = 30;
const std::string kFileHeader = "YUV4MPEG2 W50 H20 F30:1 C420\n";
const std::string kFrameHeader = "FRAME\n";
} // namespace
class Y4mFrameWriterTest : public ::testing::Test {
protected:
Y4mFrameWriterTest() = default;
~Y4mFrameWriterTest() override = default;
void SetUp() override {
temp_filename_ = webrtc::test::TempFilename(webrtc::test::OutputPath(),
"y4m_frame_writer_unittest");
frame_writer_.reset(new Y4mFrameWriterImpl(temp_filename_, kFrameWidth,
kFrameHeight, kFrameRate));
ASSERT_TRUE(frame_writer_->Init());
}
void TearDown() override { remove(temp_filename_.c_str()); }
std::unique_ptr<FrameWriter> frame_writer_;
std::string temp_filename_;
};
TEST_F(Y4mFrameWriterTest, InitSuccess) {}
TEST_F(Y4mFrameWriterTest, FrameLength) {
EXPECT_EQ(kFrameLength, frame_writer_->FrameLength());
}
TEST_F(Y4mFrameWriterTest, WriteFrame) {
uint8_t buffer[kFrameLength];
memset(buffer, 9, kFrameLength); // Write lots of 9s to the buffer.
bool result = frame_writer_->WriteFrame(buffer);
ASSERT_TRUE(result);
result = frame_writer_->WriteFrame(buffer);
ASSERT_TRUE(result);
frame_writer_->Close();
EXPECT_EQ(kFileHeader.size() + 2 * kFrameHeader.size() + 2 * kFrameLength,
GetFileSize(temp_filename_));
}
TEST_F(Y4mFrameWriterTest, WriteFrameUninitialized) {
uint8_t buffer[kFrameLength];
Y4mFrameWriterImpl frame_writer(temp_filename_, kFrameWidth, kFrameHeight,
kFrameRate);
EXPECT_FALSE(frame_writer.WriteFrame(buffer));
}
} // namespace test
} // namespace webrtc