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| 1 /* |
| 2 * Copyright 2017 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 <string> |
| 12 |
| 13 #include "webrtc/base/gunit.h" |
| 14 #include "webrtc/p2p/base/fakepackettransport.h" |
| 15 #include "webrtc/pc/rtptransport.h" |
| 16 |
| 17 namespace webrtc { |
| 18 |
| 19 class RtpTransportTest : public testing::Test {}; |
| 20 |
| 21 constexpr bool kMuxDisabled = false; |
| 22 constexpr bool kMuxEnabled = true; |
| 23 |
| 24 TEST_F(RtpTransportTest, SetRtcpParametersCantDisableRtcpMux) { |
| 25 RtpTransport transport(kMuxDisabled); |
| 26 RtcpParameters params; |
| 27 transport.SetRtcpParameters(params); |
| 28 params.mux = false; |
| 29 EXPECT_FALSE(transport.SetRtcpParameters(params).ok()); |
| 30 } |
| 31 |
| 32 TEST_F(RtpTransportTest, SetRtcpParametersEmptyCnameUsesExisting) { |
| 33 static const char kName[] = "name"; |
| 34 RtpTransport transport(kMuxDisabled); |
| 35 RtcpParameters params_with_name; |
| 36 params_with_name.cname = kName; |
| 37 transport.SetRtcpParameters(params_with_name); |
| 38 EXPECT_EQ(transport.GetRtcpParameters().cname, kName); |
| 39 |
| 40 RtcpParameters params_without_name; |
| 41 transport.SetRtcpParameters(params_without_name); |
| 42 EXPECT_EQ(transport.GetRtcpParameters().cname, kName); |
| 43 } |
| 44 |
| 45 class SignalObserver : public sigslot::has_slots<> { |
| 46 public: |
| 47 explicit SignalObserver(RtpTransport* transport) { |
| 48 transport->SignalReadyToSend.connect(this, &SignalObserver::OnReadyToSend); |
| 49 } |
| 50 void OnReadyToSend(bool ready) { ready_ = ready; } |
| 51 bool ready_ = false; |
| 52 }; |
| 53 |
| 54 TEST_F(RtpTransportTest, SettingRtcpAndRtpSignalsReady) { |
| 55 RtpTransport transport(kMuxDisabled); |
| 56 SignalObserver observer(&transport); |
| 57 rtc::FakePacketTransport fake_rtcp("fake_rtcp"); |
| 58 fake_rtcp.SetWritable(true); |
| 59 rtc::FakePacketTransport fake_rtp("fake_rtp"); |
| 60 fake_rtp.SetWritable(true); |
| 61 |
| 62 transport.SetRtcpPacketTransport(&fake_rtcp); // rtcp ready |
| 63 EXPECT_FALSE(observer.ready_); |
| 64 transport.SetRtpPacketTransport(&fake_rtp); // rtp ready |
| 65 EXPECT_TRUE(observer.ready_); |
| 66 } |
| 67 |
| 68 TEST_F(RtpTransportTest, SettingRtpAndRtcpSignalsReady) { |
| 69 RtpTransport transport(kMuxDisabled); |
| 70 SignalObserver observer(&transport); |
| 71 rtc::FakePacketTransport fake_rtcp("fake_rtcp"); |
| 72 fake_rtcp.SetWritable(true); |
| 73 rtc::FakePacketTransport fake_rtp("fake_rtp"); |
| 74 fake_rtp.SetWritable(true); |
| 75 |
| 76 transport.SetRtpPacketTransport(&fake_rtp); // rtp ready |
| 77 EXPECT_FALSE(observer.ready_); |
| 78 transport.SetRtcpPacketTransport(&fake_rtcp); // rtcp ready |
| 79 EXPECT_TRUE(observer.ready_); |
| 80 } |
| 81 |
| 82 TEST_F(RtpTransportTest, SettingRtpWithRtcpMuxEnabledSignalsReady) { |
| 83 RtpTransport transport(kMuxEnabled); |
| 84 SignalObserver observer(&transport); |
| 85 rtc::FakePacketTransport fake_rtp("fake_rtp"); |
| 86 fake_rtp.SetWritable(true); |
| 87 |
| 88 transport.SetRtpPacketTransport(&fake_rtp); // rtp ready |
| 89 EXPECT_TRUE(observer.ready_); |
| 90 } |
| 91 |
| 92 TEST_F(RtpTransportTest, DisablingRtcpMuxSignalsNotReady) { |
| 93 RtpTransport transport(kMuxEnabled); |
| 94 SignalObserver observer(&transport); |
| 95 rtc::FakePacketTransport fake_rtp("fake_rtp"); |
| 96 fake_rtp.SetWritable(true); |
| 97 |
| 98 transport.SetRtpPacketTransport(&fake_rtp); // rtp ready |
| 99 EXPECT_TRUE(observer.ready_); |
| 100 |
| 101 transport.SetRtcpMuxEnabled(false); |
| 102 EXPECT_FALSE(observer.ready_); |
| 103 } |
| 104 |
| 105 TEST_F(RtpTransportTest, EnablingRtcpMuxSignalsReady) { |
| 106 RtpTransport transport(kMuxDisabled); |
| 107 SignalObserver observer(&transport); |
| 108 rtc::FakePacketTransport fake_rtp("fake_rtp"); |
| 109 fake_rtp.SetWritable(true); |
| 110 |
| 111 transport.SetRtpPacketTransport(&fake_rtp); // rtp ready |
| 112 EXPECT_FALSE(observer.ready_); |
| 113 |
| 114 transport.SetRtcpMuxEnabled(true); |
| 115 EXPECT_TRUE(observer.ready_); |
| 116 } |
| 117 |
| 118 class SignalCounter : public sigslot::has_slots<> { |
| 119 public: |
| 120 explicit SignalCounter(RtpTransport* transport) { |
| 121 transport->SignalReadyToSend.connect(this, &SignalCounter::OnReadyToSend); |
| 122 } |
| 123 void OnReadyToSend(bool ready) { ++count_; } |
| 124 int count_ = 0; |
| 125 }; |
| 126 |
| 127 TEST_F(RtpTransportTest, ChangingReadyToSendStateOnlySignalsWhenChanged) { |
| 128 RtpTransport transport(kMuxEnabled); |
| 129 SignalCounter observer(&transport); |
| 130 rtc::FakePacketTransport fake_rtp("fake_rtp"); |
| 131 fake_rtp.SetWritable(true); |
| 132 |
| 133 // State changes, so we should signal. |
| 134 transport.SetRtpPacketTransport(&fake_rtp); |
| 135 EXPECT_EQ(observer.count_, 1); |
| 136 |
| 137 // State does not change, so we should not signal. |
| 138 transport.SetRtpPacketTransport(&fake_rtp); |
| 139 EXPECT_EQ(observer.count_, 1); |
| 140 |
| 141 // State does not change, so we should not signal. |
| 142 transport.SetRtcpMuxEnabled(true); |
| 143 EXPECT_EQ(observer.count_, 1); |
| 144 |
| 145 // State changes, so we should signal. |
| 146 transport.SetRtcpMuxEnabled(false); |
| 147 EXPECT_EQ(observer.count_, 2); |
| 148 } |
| 149 |
| 150 } // namespace webrtc |
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