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// Copyright 2014 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 "base/bind.h"
#include "base/callback.h"
#include "base/memory/ref_counted.h"
#include "base/message_loop/message_loop.h"
#include "base/run_loop.h"
#include "content/child/child_process.h"
#include "content/renderer/media/video_capture_impl.h"
#include "content/renderer/media/video_capture_impl_manager.h"
#include "content/renderer/media/video_capture_message_filter.h"
#include "media/base/bind_to_current_loop.h"
#include "media/video/capture/mock_video_capture_event_handler.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using ::testing::_;
using ::testing::DoAll;
using ::testing::SaveArg;
using media::BindToCurrentLoop;
using media::MockVideoCaptureEventHandler;
namespace content {
ACTION_P(RunClosure, closure) {
closure.Run();
}
class MockVideoCaptureImpl : public VideoCaptureImpl {
public:
MockVideoCaptureImpl(media::VideoCaptureSessionId session_id,
VideoCaptureMessageFilter* filter,
base::Closure destruct_callback)
: VideoCaptureImpl(session_id, filter),
destruct_callback_(destruct_callback) {
}
virtual ~MockVideoCaptureImpl() {
destruct_callback_.Run();
}
private:
base::Closure destruct_callback_;
DISALLOW_COPY_AND_ASSIGN(MockVideoCaptureImpl);
};
class MockVideoCaptureImplManager : public VideoCaptureImplManager {
public:
explicit MockVideoCaptureImplManager(
base::Closure destruct_video_capture_callback)
: destruct_video_capture_callback_(
destruct_video_capture_callback) {}
protected:
virtual VideoCaptureImpl* CreateVideoCaptureImpl(
media::VideoCaptureSessionId id,
VideoCaptureMessageFilter* filter) const OVERRIDE {
return new MockVideoCaptureImpl(id,
filter,
destruct_video_capture_callback_);
}
private:
base::Closure destruct_video_capture_callback_;
DISALLOW_COPY_AND_ASSIGN(MockVideoCaptureImplManager);
};
class VideoCaptureImplManagerTest : public ::testing::Test {
public:
VideoCaptureImplManagerTest()
: manager_(BindToCurrentLoop(cleanup_run_loop_.QuitClosure())) {
params_.requested_format = media::VideoCaptureFormat(
gfx::Size(176, 144), 30, media::PIXEL_FORMAT_I420);
child_process_.reset(new ChildProcess());
}
void FakeChannelSetup() {
scoped_refptr<base::MessageLoopProxy> loop =
child_process_->io_message_loop_proxy();
if (!loop->BelongsToCurrentThread()) {
loop->PostTask(
FROM_HERE,
base::Bind(
&VideoCaptureImplManagerTest::FakeChannelSetup,
base::Unretained(this)));
return;
}
manager_.video_capture_message_filter()->OnFilterAdded(NULL);
}
protected:
base::MessageLoop message_loop_;
scoped_ptr<ChildProcess> child_process_;
media::VideoCaptureParams params_;
base::RunLoop cleanup_run_loop_;
MockVideoCaptureImplManager manager_;
private:
DISALLOW_COPY_AND_ASSIGN(VideoCaptureImplManagerTest);
};
// Multiple clients with the same session id. There is only one
// media::VideoCapture object.
TEST_F(VideoCaptureImplManagerTest, MultipleClients) {
scoped_ptr<MockVideoCaptureEventHandler> client1(
new MockVideoCaptureEventHandler);
scoped_ptr<MockVideoCaptureEventHandler> client2(
new MockVideoCaptureEventHandler);
media::VideoCapture* device1 = NULL;
media::VideoCapture* device2 = NULL;
scoped_ptr<VideoCaptureHandle> handle1;
scoped_ptr<VideoCaptureHandle> handle2;
{
base::RunLoop run_loop;
base::Closure quit_closure = BindToCurrentLoop(
run_loop.QuitClosure());
EXPECT_CALL(*client1, OnStarted(_)).WillOnce(SaveArg<0>(&device1));
EXPECT_CALL(*client2, OnStarted(_)).WillOnce(
DoAll(
SaveArg<0>(&device2),
RunClosure(quit_closure)));
handle1 = manager_.UseDevice(1);
handle2 = manager_.UseDevice(1);
handle1->StartCapture(client1.get(), params_);
handle2->StartCapture(client2.get(), params_);
FakeChannelSetup();
run_loop.Run();
}
{
base::RunLoop run_loop;
base::Closure quit_closure = BindToCurrentLoop(
run_loop.QuitClosure());
EXPECT_CALL(*client1, OnStopped(_));
EXPECT_CALL(*client1, OnRemoved(_));
EXPECT_CALL(*client2, OnStopped(_));
EXPECT_CALL(*client2, OnRemoved(_)).WillOnce(
RunClosure(quit_closure));
handle1->StopCapture(client1.get());
handle2->StopCapture(client2.get());
run_loop.Run();
}
EXPECT_TRUE(device1 == device2);
handle1.reset();
handle2.reset();
cleanup_run_loop_.Run();
}
} // namespace content
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