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// Copyright 2021 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/modules/mediastream/media_stream_track_processor.h"
#include <iostream>
#include "base/run_loop.h"
#include "base/test/gmock_callback_support.h"
#include "media/base/video_frame.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/platform/scheduler/test/renderer_scheduler_test_support.h"
#include "third_party/blink/public/web/modules/mediastream/media_stream_video_source.h"
#include "third_party/blink/public/web/web_heap.h"
#include "third_party/blink/renderer/bindings/core/v8/script_promise_tester.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_binding_for_testing.h"
#include "third_party/blink/renderer/core/streams/readable_stream.h"
#include "third_party/blink/renderer/core/streams/readable_stream_default_reader.h"
#include "third_party/blink/renderer/modules/mediastream/media_stream_track.h"
#include "third_party/blink/renderer/modules/mediastream/media_stream_track_generator.h"
#include "third_party/blink/renderer/modules/mediastream/media_stream_video_track.h"
#include "third_party/blink/renderer/modules/mediastream/mock_media_stream_video_sink.h"
#include "third_party/blink/renderer/modules/mediastream/mock_media_stream_video_source.h"
#include "third_party/blink/renderer/modules/mediastream/pushable_media_stream_video_source.h"
#include "third_party/blink/renderer/platform/bindings/exception_state.h"
#include "third_party/blink/renderer/platform/mediastream/media_stream_audio_source.h"
#include "third_party/blink/renderer/platform/mediastream/media_stream_audio_track.h"
#include "third_party/blink/renderer/platform/mediastream/media_stream_source.h"
#include "third_party/blink/renderer/platform/testing/io_task_runner_testing_platform_support.h"
using testing::_;
namespace blink {
namespace {
class TestObserver : public GarbageCollected<TestObserver>,
public MediaStreamTrack::Observer {
public:
void TrackChangedState() override { observation_count_++; }
int ObservationCount() const { return observation_count_; }
private:
int observation_count_ = 0;
};
} // namespace
class MediaStreamTrackTest : public testing::Test {
public:
~MediaStreamTrackTest() override { WebHeap::CollectAllGarbageForTesting(); }
};
TEST_F(MediaStreamTrackTest, StopTrackTriggersObservers) {
V8TestingScope v8_scope;
MediaStreamSource* source = MakeGarbageCollected<MediaStreamSource>(
"id", MediaStreamSource::StreamType::kTypeVideo, "name",
false /* remote */);
MediaStreamComponent* component =
MakeGarbageCollected<MediaStreamComponent>(source);
MediaStreamTrack* track = MakeGarbageCollected<MediaStreamTrack>(
v8_scope.GetExecutionContext(), component);
TestObserver* testObserver = MakeGarbageCollected<TestObserver>();
track->AddObserver(testObserver);
source->SetReadyState(MediaStreamSource::kReadyStateMuted);
EXPECT_EQ(testObserver->ObservationCount(), 1);
track->stopTrack(v8_scope.GetExecutionContext());
EXPECT_EQ(testObserver->ObservationCount(), 2);
}
} // namespace blink
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