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/*
* Copyright 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.
*/
// This file contains tests for |RtpTransceiver|.
#include "pc/rtp_transceiver.h"
#include "pc/test/mock_channel_interface.h"
#include "test/gmock.h"
#include "test/gtest.h"
using ::testing::Return;
using ::testing::ReturnRef;
namespace webrtc {
// Checks that a channel cannot be set on a stopped |RtpTransceiver|.
TEST(RtpTransceiverTest, CannotSetChannelOnStoppedTransceiver) {
RtpTransceiver transceiver(cricket::MediaType::MEDIA_TYPE_AUDIO);
cricket::MockChannelInterface channel1;
sigslot::signal1<cricket::ChannelInterface*> signal;
EXPECT_CALL(channel1, media_type())
.WillRepeatedly(Return(cricket::MediaType::MEDIA_TYPE_AUDIO));
EXPECT_CALL(channel1, SignalFirstPacketReceived())
.WillRepeatedly(ReturnRef(signal));
transceiver.SetChannel(&channel1);
EXPECT_EQ(&channel1, transceiver.channel());
// Stop the transceiver.
transceiver.Stop();
EXPECT_EQ(&channel1, transceiver.channel());
cricket::MockChannelInterface channel2;
EXPECT_CALL(channel2, media_type())
.WillRepeatedly(Return(cricket::MediaType::MEDIA_TYPE_AUDIO));
// Channel can no longer be set, so this call should be a no-op.
transceiver.SetChannel(&channel2);
EXPECT_EQ(&channel1, transceiver.channel());
}
// Checks that a channel can be unset on a stopped |RtpTransceiver|
TEST(RtpTransceiverTest, CanUnsetChannelOnStoppedTransceiver) {
RtpTransceiver transceiver(cricket::MediaType::MEDIA_TYPE_VIDEO);
cricket::MockChannelInterface channel;
sigslot::signal1<cricket::ChannelInterface*> signal;
EXPECT_CALL(channel, media_type())
.WillRepeatedly(Return(cricket::MediaType::MEDIA_TYPE_VIDEO));
EXPECT_CALL(channel, SignalFirstPacketReceived())
.WillRepeatedly(ReturnRef(signal));
transceiver.SetChannel(&channel);
EXPECT_EQ(&channel, transceiver.channel());
// Stop the transceiver.
transceiver.Stop();
EXPECT_EQ(&channel, transceiver.channel());
// Set the channel to |nullptr|.
transceiver.SetChannel(nullptr);
EXPECT_EQ(nullptr, transceiver.channel());
}
} // namespace webrtc
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