| /* |
| * Copyright (c) 2018 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/mid_oracle.h" |
| |
| #include "rtc_base/logging.h" |
| #include "test/gtest.h" |
| |
| namespace { |
| |
| using ::webrtc::RTCPReportBlock; |
| using ::webrtc::MidOracle; |
| |
| RTCPReportBlock ReportBlockWithSourceSsrc(uint32_t ssrc) { |
| RTCPReportBlock report_block; |
| report_block.source_ssrc = ssrc; |
| return report_block; |
| } |
| |
| TEST(MidOracleTest, DoNotSendMidInitially) { |
| MidOracle mid_oracle("mid"); |
| EXPECT_FALSE(mid_oracle.send_mid()); |
| } |
| |
| TEST(MidOracleTest, SendMidOnceSsrcSet) { |
| MidOracle mid_oracle("mid"); |
| mid_oracle.SetSsrc(52); |
| EXPECT_TRUE(mid_oracle.send_mid()); |
| } |
| |
| TEST(MidOracleTest, IgnoreReportBlockWithUnknownSourceSsrc) { |
| MidOracle mid_oracle("mid"); |
| mid_oracle.SetSsrc(52); |
| mid_oracle.OnReceivedRtcpReportBlocks({ReportBlockWithSourceSsrc(63)}); |
| EXPECT_TRUE(mid_oracle.send_mid()); |
| } |
| |
| TEST(MidOracleTest, StopSendingMidAfterReceivingRtcpReportWithKnownSourceSsrc) { |
| constexpr uint32_t kSsrc = 52; |
| |
| MidOracle mid_oracle("mid"); |
| mid_oracle.SetSsrc(kSsrc); |
| mid_oracle.OnReceivedRtcpReportBlocks({ReportBlockWithSourceSsrc(kSsrc)}); |
| |
| EXPECT_FALSE(mid_oracle.send_mid()); |
| } |
| |
| TEST(MidOracleTest, RestartSendingMidWhenSsrcChanges) { |
| constexpr uint32_t kInitialSsrc = 52; |
| constexpr uint32_t kChangedSsrc = 63; |
| |
| MidOracle mid_oracle("mid"); |
| mid_oracle.SetSsrc(kInitialSsrc); |
| mid_oracle.OnReceivedRtcpReportBlocks( |
| {ReportBlockWithSourceSsrc(kInitialSsrc)}); |
| mid_oracle.SetSsrc(kChangedSsrc); |
| |
| EXPECT_TRUE(mid_oracle.send_mid()); |
| } |
| |
| } // namespace |