| /* |
| * 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 "modules/rtp_rtcp/source/rtcp_packet/receiver_report.h" |
| |
| #include <utility> |
| |
| #include "test/gmock.h" |
| #include "test/gtest.h" |
| #include "test/rtcp_packet_parser.h" |
| |
| using testing::ElementsAreArray; |
| using testing::IsEmpty; |
| using testing::make_tuple; |
| using webrtc::rtcp::ReceiverReport; |
| using webrtc::rtcp::ReportBlock; |
| |
| namespace webrtc { |
| namespace { |
| const uint32_t kSenderSsrc = 0x12345678; |
| const uint32_t kRemoteSsrc = 0x23456789; |
| const uint8_t kFractionLost = 55; |
| const int32_t kCumulativeLost = 0x111213; |
| const uint32_t kExtHighestSeqNum = 0x22232425; |
| const uint32_t kJitter = 0x33343536; |
| const uint32_t kLastSr = 0x44454647; |
| const uint32_t kDelayLastSr = 0x55565758; |
| // Manually created ReceiverReport with one ReportBlock matching constants |
| // above. |
| // Having this block allows to test Create and Parse separately. |
| const uint8_t kPacket[] = {0x81, 201, 0x00, 0x07, 0x12, 0x34, 0x56, 0x78, |
| 0x23, 0x45, 0x67, 0x89, 55, 0x11, 0x12, 0x13, |
| 0x22, 0x23, 0x24, 0x25, 0x33, 0x34, 0x35, 0x36, |
| 0x44, 0x45, 0x46, 0x47, 0x55, 0x56, 0x57, 0x58}; |
| } // namespace |
| |
| TEST(RtcpPacketReceiverReportTest, ParseWithOneReportBlock) { |
| ReceiverReport rr; |
| EXPECT_TRUE(test::ParseSinglePacket(kPacket, &rr)); |
| const ReceiverReport& parsed = rr; |
| |
| EXPECT_EQ(kSenderSsrc, parsed.sender_ssrc()); |
| EXPECT_EQ(1u, parsed.report_blocks().size()); |
| const ReportBlock& rb = parsed.report_blocks().front(); |
| EXPECT_EQ(kRemoteSsrc, rb.source_ssrc()); |
| EXPECT_EQ(kFractionLost, rb.fraction_lost()); |
| EXPECT_EQ(kCumulativeLost, rb.cumulative_lost_signed()); |
| EXPECT_EQ(kExtHighestSeqNum, rb.extended_high_seq_num()); |
| EXPECT_EQ(kJitter, rb.jitter()); |
| EXPECT_EQ(kLastSr, rb.last_sr()); |
| EXPECT_EQ(kDelayLastSr, rb.delay_since_last_sr()); |
| } |
| |
| TEST(RtcpPacketReceiverReportTest, ParseFailsOnIncorrectSize) { |
| rtc::Buffer damaged_packet(kPacket); |
| damaged_packet[0]++; // Damage the packet: increase count field. |
| ReceiverReport rr; |
| EXPECT_FALSE(test::ParseSinglePacket(damaged_packet, &rr)); |
| } |
| |
| TEST(RtcpPacketReceiverReportTest, CreateWithOneReportBlock) { |
| ReceiverReport rr; |
| rr.SetSenderSsrc(kSenderSsrc); |
| ReportBlock rb; |
| rb.SetMediaSsrc(kRemoteSsrc); |
| rb.SetFractionLost(kFractionLost); |
| rb.SetCumulativeLost(kCumulativeLost); |
| rb.SetExtHighestSeqNum(kExtHighestSeqNum); |
| rb.SetJitter(kJitter); |
| rb.SetLastSr(kLastSr); |
| rb.SetDelayLastSr(kDelayLastSr); |
| rr.AddReportBlock(rb); |
| |
| rtc::Buffer raw = rr.Build(); |
| |
| EXPECT_THAT(make_tuple(raw.data(), raw.size()), ElementsAreArray(kPacket)); |
| } |
| |
| TEST(RtcpPacketReceiverReportTest, CreateAndParseWithoutReportBlocks) { |
| ReceiverReport rr; |
| rr.SetSenderSsrc(kSenderSsrc); |
| |
| rtc::Buffer raw = rr.Build(); |
| ReceiverReport parsed; |
| EXPECT_TRUE(test::ParseSinglePacket(raw, &parsed)); |
| |
| EXPECT_EQ(kSenderSsrc, parsed.sender_ssrc()); |
| EXPECT_THAT(parsed.report_blocks(), IsEmpty()); |
| } |
| |
| TEST(RtcpPacketReceiverReportTest, CreateAndParseWithTwoReportBlocks) { |
| ReceiverReport rr; |
| ReportBlock rb1; |
| rb1.SetMediaSsrc(kRemoteSsrc); |
| ReportBlock rb2; |
| rb2.SetMediaSsrc(kRemoteSsrc + 1); |
| |
| rr.SetSenderSsrc(kSenderSsrc); |
| EXPECT_TRUE(rr.AddReportBlock(rb1)); |
| EXPECT_TRUE(rr.AddReportBlock(rb2)); |
| |
| rtc::Buffer raw = rr.Build(); |
| ReceiverReport parsed; |
| EXPECT_TRUE(test::ParseSinglePacket(raw, &parsed)); |
| |
| EXPECT_EQ(kSenderSsrc, parsed.sender_ssrc()); |
| EXPECT_EQ(2u, parsed.report_blocks().size()); |
| EXPECT_EQ(kRemoteSsrc, parsed.report_blocks()[0].source_ssrc()); |
| EXPECT_EQ(kRemoteSsrc + 1, parsed.report_blocks()[1].source_ssrc()); |
| } |
| |
| TEST(RtcpPacketReceiverReportTest, CreateWithTooManyReportBlocks) { |
| ReceiverReport rr; |
| rr.SetSenderSsrc(kSenderSsrc); |
| ReportBlock rb; |
| for (size_t i = 0; i < ReceiverReport::kMaxNumberOfReportBlocks; ++i) { |
| rb.SetMediaSsrc(kRemoteSsrc + i); |
| EXPECT_TRUE(rr.AddReportBlock(rb)); |
| } |
| rb.SetMediaSsrc(kRemoteSsrc + ReceiverReport::kMaxNumberOfReportBlocks); |
| EXPECT_FALSE(rr.AddReportBlock(rb)); |
| } |
| |
| TEST(RtcpPacketReceiverReportTest, SetReportBlocksOverwritesOldBlocks) { |
| ReceiverReport rr; |
| ReportBlock report_block; |
| // Use jitter field of the report blocks to distinguish them. |
| report_block.SetJitter(1001u); |
| rr.AddReportBlock(report_block); |
| ASSERT_EQ(rr.report_blocks().size(), 1u); |
| ASSERT_EQ(rr.report_blocks()[0].jitter(), 1001u); |
| |
| std::vector<ReportBlock> blocks(3u); |
| blocks[0].SetJitter(2001u); |
| blocks[1].SetJitter(3001u); |
| blocks[2].SetJitter(4001u); |
| EXPECT_TRUE(rr.SetReportBlocks(blocks)); |
| ASSERT_EQ(rr.report_blocks().size(), 3u); |
| EXPECT_EQ(rr.report_blocks()[0].jitter(), 2001u); |
| EXPECT_EQ(rr.report_blocks()[1].jitter(), 3001u); |
| EXPECT_EQ(rr.report_blocks()[2].jitter(), 4001u); |
| } |
| |
| TEST(RtcpPacketReceiverReportTest, SetReportBlocksMaxLimit) { |
| ReceiverReport rr; |
| std::vector<ReportBlock> max_blocks(ReceiverReport::kMaxNumberOfReportBlocks); |
| EXPECT_TRUE(rr.SetReportBlocks(std::move(max_blocks))); |
| |
| std::vector<ReportBlock> one_too_many_blocks( |
| ReceiverReport::kMaxNumberOfReportBlocks + 1); |
| EXPECT_FALSE(rr.SetReportBlocks(std::move(one_too_many_blocks))); |
| } |
| |
| } // namespace webrtc |