1 /*
2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
11 #include "webrtc/modules/rtp_rtcp/source/rtcp_packet/pli.h"
12
13 #include "testing/gtest/include/gtest/gtest.h"
14 #include "webrtc/modules/rtp_rtcp/source/rtcp_utility.h"
15
16 using webrtc::rtcp::Pli;
17 using webrtc::rtcp::RawPacket;
18 using webrtc::RTCPUtility::RtcpCommonHeader;
19 using webrtc::RTCPUtility::RtcpParseCommonHeader;
20
21 namespace webrtc {
22 namespace {
23
24 const uint32_t kSenderSsrc = 0x12345678;
25 const uint32_t kRemoteSsrc = 0x23456789;
26 // Manually created Pli packet matching constants above.
27 const uint8_t kPacket[] = {0x81, 206, 0x00, 0x02,
28 0x12, 0x34, 0x56, 0x78,
29 0x23, 0x45, 0x67, 0x89};
30 const size_t kPacketLength = sizeof(kPacket);
31
TEST(RtcpPacketPliTest,Parse)32 TEST(RtcpPacketPliTest, Parse) {
33 RtcpCommonHeader header;
34 EXPECT_TRUE(RtcpParseCommonHeader(kPacket, kPacketLength, &header));
35 Pli mutable_parsed;
36 EXPECT_TRUE(mutable_parsed.Parse(
37 header, kPacket + RtcpCommonHeader::kHeaderSizeBytes));
38 const Pli& parsed = mutable_parsed; // Read values from constant object.
39
40 EXPECT_EQ(kSenderSsrc, parsed.sender_ssrc());
41 EXPECT_EQ(kRemoteSsrc, parsed.media_ssrc());
42 }
43
TEST(RtcpPacketPliTest,Create)44 TEST(RtcpPacketPliTest, Create) {
45 Pli pli;
46 pli.From(kSenderSsrc);
47 pli.To(kRemoteSsrc);
48
49 rtc::scoped_ptr<RawPacket> packet(pli.Build());
50
51 ASSERT_EQ(kPacketLength, packet->Length());
52 EXPECT_EQ(0, memcmp(kPacket, packet->Buffer(), kPacketLength));
53 }
54
TEST(RtcpPacketPliTest,ParseFailsOnTooSmallPacket)55 TEST(RtcpPacketPliTest, ParseFailsOnTooSmallPacket) {
56 RtcpCommonHeader header;
57 EXPECT_TRUE(RtcpParseCommonHeader(kPacket, kPacketLength, &header));
58 header.payload_size_bytes--;
59
60 Pli parsed;
61 EXPECT_FALSE(
62 parsed.Parse(header, kPacket + RtcpCommonHeader::kHeaderSizeBytes));
63 }
64
65 } // namespace
66 } // namespace webrtc
67