1 /*
2 * Copyright (c) 2016 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 "modules/rtp_rtcp/source/rtcp_packet/sender_report.h"
12
13 #include <utility>
14
15 #include "test/gmock.h"
16 #include "test/gtest.h"
17 #include "test/rtcp_packet_parser.h"
18
19 using ::testing::ElementsAreArray;
20 using ::testing::make_tuple;
21 using webrtc::rtcp::ReportBlock;
22 using webrtc::rtcp::SenderReport;
23
24 namespace webrtc {
25 namespace {
26 const uint32_t kSenderSsrc = 0x12345678;
27 const uint32_t kRemoteSsrc = 0x23456789;
28 const NtpTime kNtp(0x11121418, 0x22242628);
29 const uint32_t kRtpTimestamp = 0x33343536;
30 const uint32_t kPacketCount = 0x44454647;
31 const uint32_t kOctetCount = 0x55565758;
32 const uint8_t kPacket[] = {0x80, 200, 0x00, 0x06, 0x12, 0x34, 0x56,
33 0x78, 0x11, 0x12, 0x14, 0x18, 0x22, 0x24,
34 0x26, 0x28, 0x33, 0x34, 0x35, 0x36, 0x44,
35 0x45, 0x46, 0x47, 0x55, 0x56, 0x57, 0x58};
36 } // namespace
37
TEST(RtcpPacketSenderReportTest,CreateWithoutReportBlocks)38 TEST(RtcpPacketSenderReportTest, CreateWithoutReportBlocks) {
39 SenderReport sr;
40 sr.SetSenderSsrc(kSenderSsrc);
41 sr.SetNtp(kNtp);
42 sr.SetRtpTimestamp(kRtpTimestamp);
43 sr.SetPacketCount(kPacketCount);
44 sr.SetOctetCount(kOctetCount);
45
46 rtc::Buffer raw = sr.Build();
47 EXPECT_THAT(make_tuple(raw.data(), raw.size()), ElementsAreArray(kPacket));
48 }
49
TEST(RtcpPacketSenderReportTest,ParseWithoutReportBlocks)50 TEST(RtcpPacketSenderReportTest, ParseWithoutReportBlocks) {
51 SenderReport parsed;
52 EXPECT_TRUE(test::ParseSinglePacket(kPacket, &parsed));
53
54 EXPECT_EQ(kSenderSsrc, parsed.sender_ssrc());
55 EXPECT_EQ(kNtp, parsed.ntp());
56 EXPECT_EQ(kRtpTimestamp, parsed.rtp_timestamp());
57 EXPECT_EQ(kPacketCount, parsed.sender_packet_count());
58 EXPECT_EQ(kOctetCount, parsed.sender_octet_count());
59 EXPECT_TRUE(parsed.report_blocks().empty());
60 }
61
TEST(RtcpPacketSenderReportTest,CreateAndParseWithOneReportBlock)62 TEST(RtcpPacketSenderReportTest, CreateAndParseWithOneReportBlock) {
63 ReportBlock rb;
64 rb.SetMediaSsrc(kRemoteSsrc);
65
66 SenderReport sr;
67 sr.SetSenderSsrc(kSenderSsrc);
68 EXPECT_TRUE(sr.AddReportBlock(rb));
69
70 rtc::Buffer raw = sr.Build();
71 SenderReport parsed;
72 EXPECT_TRUE(test::ParseSinglePacket(raw, &parsed));
73
74 EXPECT_EQ(kSenderSsrc, parsed.sender_ssrc());
75 EXPECT_EQ(1u, parsed.report_blocks().size());
76 EXPECT_EQ(kRemoteSsrc, parsed.report_blocks()[0].source_ssrc());
77 }
78
TEST(RtcpPacketSenderReportTest,CreateAndParseWithTwoReportBlocks)79 TEST(RtcpPacketSenderReportTest, CreateAndParseWithTwoReportBlocks) {
80 ReportBlock rb1;
81 rb1.SetMediaSsrc(kRemoteSsrc);
82 ReportBlock rb2;
83 rb2.SetMediaSsrc(kRemoteSsrc + 1);
84
85 SenderReport sr;
86 sr.SetSenderSsrc(kSenderSsrc);
87 EXPECT_TRUE(sr.AddReportBlock(rb1));
88 EXPECT_TRUE(sr.AddReportBlock(rb2));
89
90 rtc::Buffer raw = sr.Build();
91 SenderReport parsed;
92 EXPECT_TRUE(test::ParseSinglePacket(raw, &parsed));
93
94 EXPECT_EQ(kSenderSsrc, parsed.sender_ssrc());
95 EXPECT_EQ(2u, parsed.report_blocks().size());
96 EXPECT_EQ(kRemoteSsrc, parsed.report_blocks()[0].source_ssrc());
97 EXPECT_EQ(kRemoteSsrc + 1, parsed.report_blocks()[1].source_ssrc());
98 }
99
TEST(RtcpPacketSenderReportTest,CreateWithTooManyReportBlocks)100 TEST(RtcpPacketSenderReportTest, CreateWithTooManyReportBlocks) {
101 SenderReport sr;
102 sr.SetSenderSsrc(kSenderSsrc);
103 ReportBlock rb;
104 for (size_t i = 0; i < SenderReport::kMaxNumberOfReportBlocks; ++i) {
105 rb.SetMediaSsrc(kRemoteSsrc + i);
106 EXPECT_TRUE(sr.AddReportBlock(rb));
107 }
108 rb.SetMediaSsrc(kRemoteSsrc + SenderReport::kMaxNumberOfReportBlocks);
109 EXPECT_FALSE(sr.AddReportBlock(rb));
110 }
111
TEST(RtcpPacketSenderReportTest,SetReportBlocksOverwritesOldBlocks)112 TEST(RtcpPacketSenderReportTest, SetReportBlocksOverwritesOldBlocks) {
113 SenderReport sr;
114 ReportBlock report_block;
115 // Use jitter field of the report blocks to distinguish them.
116 report_block.SetJitter(1001u);
117 sr.AddReportBlock(report_block);
118 ASSERT_EQ(sr.report_blocks().size(), 1u);
119 ASSERT_EQ(sr.report_blocks()[0].jitter(), 1001u);
120
121 std::vector<ReportBlock> blocks(3u);
122 blocks[0].SetJitter(2001u);
123 blocks[1].SetJitter(3001u);
124 blocks[2].SetJitter(4001u);
125 EXPECT_TRUE(sr.SetReportBlocks(blocks));
126 ASSERT_EQ(sr.report_blocks().size(), 3u);
127 EXPECT_EQ(sr.report_blocks()[0].jitter(), 2001u);
128 EXPECT_EQ(sr.report_blocks()[1].jitter(), 3001u);
129 EXPECT_EQ(sr.report_blocks()[2].jitter(), 4001u);
130 }
131
TEST(RtcpPacketSenderReportTest,SetReportBlocksMaxLimit)132 TEST(RtcpPacketSenderReportTest, SetReportBlocksMaxLimit) {
133 SenderReport sr;
134 std::vector<ReportBlock> max_blocks(SenderReport::kMaxNumberOfReportBlocks);
135 EXPECT_TRUE(sr.SetReportBlocks(std::move(max_blocks)));
136
137 std::vector<ReportBlock> one_too_many_blocks(
138 SenderReport::kMaxNumberOfReportBlocks + 1);
139 EXPECT_FALSE(sr.SetReportBlocks(std::move(one_too_many_blocks)));
140 }
141
142 } // namespace webrtc
143