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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "remoting/host/mouse_shape_pump.h"
#include <memory>
#include <utility>
#include "base/memory/ptr_util.h"
#include "base/memory/raw_ptr.h"
#include "base/run_loop.h"
#include "base/task/single_thread_task_runner.h"
#include "base/test/task_environment.h"
#include "remoting/host/host_mock_objects.h"
#include "remoting/proto/video.pb.h"
#include "remoting/protocol/protocol_mock_objects.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/webrtc/modules/desktop_capture/desktop_frame.h"
#include "third_party/webrtc/modules/desktop_capture/mouse_cursor.h"
#include "third_party/webrtc/modules/desktop_capture/mouse_cursor_monitor.h"
using ::remoting::protocol::MockClientStub;
using ::testing::_;
using ::testing::InvokeWithoutArgs;
namespace remoting {
static const int kCursorWidth = 64;
static const int kCursorHeight = 32;
static const int kHotspotX = 11;
static const int kHotspotY = 12;
class TestMouseCursorMonitor : public webrtc::MouseCursorMonitor {
public:
TestMouseCursorMonitor() : callback_(nullptr) {}
TestMouseCursorMonitor(const TestMouseCursorMonitor&) = delete;
TestMouseCursorMonitor& operator=(const TestMouseCursorMonitor&) = delete;
~TestMouseCursorMonitor() override = default;
void Init(Callback* callback, Mode mode) override {
EXPECT_FALSE(callback_);
EXPECT_TRUE(callback);
callback_ = callback;
}
void Capture() override {
ASSERT_TRUE(callback_);
capture_call_count_++;
std::unique_ptr<webrtc::MouseCursor> mouse_cursor(new webrtc::MouseCursor(
new webrtc::BasicDesktopFrame(
webrtc::DesktopSize(kCursorWidth, kCursorHeight)),
webrtc::DesktopVector(kHotspotX, kHotspotY)));
callback_->OnMouseCursor(mouse_cursor.release());
}
int get_capture_call_count() const { return capture_call_count_; }
private:
int capture_call_count_ = 0;
raw_ptr<Callback> callback_;
};
class MouseShapePumpTest : public testing::Test {
public:
void SetCursorShape(const protocol::CursorShapeInfo& cursor_shape);
protected:
base::test::SingleThreadTaskEnvironment task_environment_{
base::test::TaskEnvironment::TimeSource::MOCK_TIME};
base::RunLoop run_loop_;
std::unique_ptr<MouseShapePump> pump_;
MockClientStub client_stub_;
};
void MouseShapePumpTest::SetCursorShape(
const protocol::CursorShapeInfo& cursor_shape) {
EXPECT_TRUE(cursor_shape.has_width());
EXPECT_EQ(kCursorWidth, cursor_shape.width());
EXPECT_TRUE(cursor_shape.has_height());
EXPECT_EQ(kCursorHeight, cursor_shape.height());
EXPECT_TRUE(cursor_shape.has_hotspot_x());
EXPECT_EQ(kHotspotX, cursor_shape.hotspot_x());
EXPECT_TRUE(cursor_shape.has_hotspot_y());
EXPECT_EQ(kHotspotY, cursor_shape.hotspot_y());
EXPECT_TRUE(cursor_shape.has_data());
EXPECT_EQ(kCursorWidth * kCursorHeight * webrtc::DesktopFrame::kBytesPerPixel,
static_cast<int>(cursor_shape.data().size()));
}
// This test mocks MouseCursorMonitor and ClientStub to verify that the
// MouseShapePump sends the cursor successfully.
TEST_F(MouseShapePumpTest, FirstCursor) {
// Stop the |run_loop_| once it has captured the cursor.
EXPECT_CALL(client_stub_, SetCursorShape(_))
.WillOnce(DoAll(Invoke(this, &MouseShapePumpTest::SetCursorShape),
InvokeWithoutArgs(&run_loop_, &base::RunLoop::Quit)))
.RetiresOnSaturation();
// Start the pump.
pump_ = std::make_unique<MouseShapePump>(
base::WrapUnique(new TestMouseCursorMonitor()), &client_stub_);
run_loop_.Run();
}
TEST_F(MouseShapePumpTest, DefaultCaptureInterval) {
EXPECT_CALL(client_stub_, SetCursorShape(_)).Times(2);
std::unique_ptr<TestMouseCursorMonitor> monitor =
std::make_unique<TestMouseCursorMonitor>();
TestMouseCursorMonitor* test_monitor = monitor.get();
// Start the pump.
pump_ = std::make_unique<MouseShapePump>(std::move(monitor), &client_stub_);
// Default capture interval is 100ms.
base::TimeDelta default_capure_interval = base::Milliseconds(100);
task_environment_.FastForwardBy(default_capure_interval -
base::Milliseconds(1));
ASSERT_EQ(test_monitor->get_capture_call_count(), 0);
task_environment_.FastForwardBy(base::Milliseconds(2));
ASSERT_EQ(test_monitor->get_capture_call_count(), 1);
task_environment_.FastForwardBy(default_capure_interval);
ASSERT_EQ(test_monitor->get_capture_call_count(), 2);
}
TEST_F(MouseShapePumpTest, UpdatedCaptureInterval) {
EXPECT_CALL(client_stub_, SetCursorShape(_)).Times(2);
std::unique_ptr<TestMouseCursorMonitor> monitor =
std::make_unique<TestMouseCursorMonitor>();
TestMouseCursorMonitor* test_monitor = monitor.get();
// Start the pump.
pump_ = std::make_unique<MouseShapePump>(std::move(monitor), &client_stub_);
base::TimeDelta test_capture_interval = base::Milliseconds(15);
pump_->SetCursorCaptureInterval(test_capture_interval);
task_environment_.FastForwardBy(test_capture_interval -
base::Milliseconds(1));
ASSERT_EQ(test_monitor->get_capture_call_count(), 0);
task_environment_.FastForwardBy(base::Milliseconds(2));
ASSERT_EQ(test_monitor->get_capture_call_count(), 1);
task_environment_.FastForwardBy(test_capture_interval);
ASSERT_EQ(test_monitor->get_capture_call_count(), 2);
}
} // namespace remoting
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