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/*
* Copyright (c) 2015 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 "webrtc/modules/rtp_rtcp/source/rtcp_packet/pli.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "webrtc/modules/rtp_rtcp/source/rtcp_utility.h"
using webrtc::rtcp::Pli;
using webrtc::rtcp::RawPacket;
using webrtc::RTCPUtility::RtcpCommonHeader;
using webrtc::RTCPUtility::RtcpParseCommonHeader;
namespace webrtc {
namespace {
const uint32_t kSenderSsrc = 0x12345678;
const uint32_t kRemoteSsrc = 0x23456789;
// Manually created Pli packet matching constants above.
const uint8_t kPacket[] = {0x81, 206, 0x00, 0x02,
0x12, 0x34, 0x56, 0x78,
0x23, 0x45, 0x67, 0x89};
const size_t kPacketLength = sizeof(kPacket);
TEST(RtcpPacketPliTest, Parse) {
RtcpCommonHeader header;
EXPECT_TRUE(RtcpParseCommonHeader(kPacket, kPacketLength, &header));
Pli mutable_parsed;
EXPECT_TRUE(mutable_parsed.Parse(
header, kPacket + RtcpCommonHeader::kHeaderSizeBytes));
const Pli& parsed = mutable_parsed; // Read values from constant object.
EXPECT_EQ(kSenderSsrc, parsed.sender_ssrc());
EXPECT_EQ(kRemoteSsrc, parsed.media_ssrc());
}
TEST(RtcpPacketPliTest, Create) {
Pli pli;
pli.From(kSenderSsrc);
pli.To(kRemoteSsrc);
rtc::scoped_ptr<RawPacket> packet(pli.Build());
ASSERT_EQ(kPacketLength, packet->Length());
EXPECT_EQ(0, memcmp(kPacket, packet->Buffer(), kPacketLength));
}
TEST(RtcpPacketPliTest, ParseFailsOnTooSmallPacket) {
RtcpCommonHeader header;
EXPECT_TRUE(RtcpParseCommonHeader(kPacket, kPacketLength, &header));
header.payload_size_bytes--;
Pli parsed;
EXPECT_FALSE(
parsed.Parse(header, kPacket + RtcpCommonHeader::kHeaderSizeBytes));
}
} // namespace
} // namespace webrtc
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