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/*
* Copyright (c) 2014 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 "test/rtp_file_writer.h"
#include <stdint.h>
#include <string.h>
#include <memory>
#include "test/gtest.h"
#include "test/rtp_file_reader.h"
#include "test/testsupport/file_utils.h"
namespace webrtc {
class RtpFileWriterTest : public ::testing::Test {
public:
void Init(const std::string& filename) {
filename_ = test::OutputPath() + filename;
rtp_writer_.reset(
test::RtpFileWriter::Create(test::RtpFileWriter::kRtpDump, filename_));
}
void WriteRtpPackets(int num_packets, int time_ms_offset = 0) {
ASSERT_TRUE(rtp_writer_.get() != NULL);
test::RtpPacket packet;
for (int i = 1; i <= num_packets; ++i) {
packet.length = i;
packet.original_length = i;
packet.time_ms = i + time_ms_offset;
memset(packet.data, i, packet.length);
EXPECT_TRUE(rtp_writer_->WritePacket(&packet));
}
}
void CloseOutputFile() { rtp_writer_.reset(); }
void VerifyFileContents(int expected_packets) {
ASSERT_TRUE(rtp_writer_.get() == NULL)
<< "Must call CloseOutputFile before VerifyFileContents";
std::unique_ptr<test::RtpFileReader> rtp_reader(
test::RtpFileReader::Create(test::RtpFileReader::kRtpDump, filename_));
ASSERT_TRUE(rtp_reader.get() != NULL);
test::RtpPacket packet;
int i = 0;
while (rtp_reader->NextPacket(&packet)) {
++i;
EXPECT_EQ(static_cast<size_t>(i), packet.length);
EXPECT_EQ(static_cast<size_t>(i), packet.original_length);
EXPECT_EQ(static_cast<uint32_t>(i - 1), packet.time_ms);
for (int j = 0; j < i; ++j) {
EXPECT_EQ(i, packet.data[j]);
}
}
EXPECT_EQ(expected_packets, i);
}
private:
std::unique_ptr<test::RtpFileWriter> rtp_writer_;
std::string filename_;
};
TEST_F(RtpFileWriterTest, WriteToRtpDump) {
Init("test_rtp_file_writer.rtp");
WriteRtpPackets(10);
CloseOutputFile();
VerifyFileContents(10);
}
TEST_F(RtpFileWriterTest, WriteToRtpDumpWithOffset) {
Init("test_rtp_file_writer.rtp");
WriteRtpPackets(10, 100);
CloseOutputFile();
VerifyFileContents(10);
}
} // namespace webrtc
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