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// Copyright (c) 2012 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 "remoting/protocol/mouse_input_filter.h"
#include "base/macros.h"
#include "remoting/proto/event.pb.h"
#include "remoting/protocol/protocol_mock_objects.h"
#include "remoting/protocol/test_event_matchers.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h"
using ::testing::_;
using ::testing::InSequence;
namespace remoting {
namespace protocol {
using test::EqualsMouseMoveEvent;
static MouseEvent MouseMoveEvent(int x, int y) {
MouseEvent event;
event.set_x(x);
event.set_y(y);
return event;
}
static void InjectTestSequence(InputStub* input_stub) {
struct Point {
int x;
int y;
};
static const Point input_sequence[] = {
{-5, 10}, {0, 10}, {-1, 10}, {15, 40}, {15, 45}, {15, 39}, {15, 25}
};
for (unsigned int i = 0; i < arraysize(input_sequence); ++i) {
const Point& point = input_sequence[i];
input_stub->InjectMouseEvent(MouseMoveEvent(point.x, point.y));
}
for (unsigned int i = 0; i < arraysize(input_sequence); ++i) {
const Point& point = input_sequence[i];
input_stub->InjectMouseEvent(MouseMoveEvent(point.y, point.x));
}
}
// Verify that no events get through if we don't set either dimensions.
TEST(MouseInputFilterTest, BothDimensionsZero) {
MockInputStub mock_stub;
MouseInputFilter mouse_filter(&mock_stub);
EXPECT_CALL(mock_stub, InjectMouseEvent(_))
.Times(0);
InjectTestSequence(&mouse_filter);
}
// Verify that no events get through if there's no input size.
TEST(MouseInputFilterTest, InputDimensionsZero) {
MockInputStub mock_stub;
MouseInputFilter mouse_filter(&mock_stub);
mouse_filter.set_output_size(webrtc::DesktopSize(50, 50));
EXPECT_CALL(mock_stub, InjectMouseEvent(_))
.Times(0);
InjectTestSequence(&mouse_filter);
}
// Verify that no events get through if there's no output size.
TEST(MouseInputFilterTest, OutputDimensionsZero) {
MockInputStub mock_stub;
MouseInputFilter mouse_filter(&mock_stub);
mouse_filter.set_input_size(webrtc::DesktopSize(50, 50));
EXPECT_CALL(mock_stub, InjectMouseEvent(_))
.Times(0);
InjectTestSequence(&mouse_filter);
}
// Verify that all events get through, clamped to the output.
TEST(MouseInputFilterTest, NoScalingOrClipping) {
MockInputStub mock_stub;
MouseInputFilter mouse_filter(&mock_stub);
mouse_filter.set_output_size(webrtc::DesktopSize(40,40));
mouse_filter.set_input_size(webrtc::DesktopSize(40,40));
{
InSequence s;
EXPECT_CALL(mock_stub, InjectMouseEvent(EqualsMouseMoveEvent(0, 10))).
Times(3);
EXPECT_CALL(mock_stub, InjectMouseEvent(EqualsMouseMoveEvent(15, 39))).
Times(3);
EXPECT_CALL(mock_stub, InjectMouseEvent(EqualsMouseMoveEvent(15, 25))).
Times(1);
EXPECT_CALL(mock_stub, InjectMouseEvent(EqualsMouseMoveEvent(10, 0))).
Times(3);
EXPECT_CALL(mock_stub, InjectMouseEvent(EqualsMouseMoveEvent(39, 15))).
Times(3);
EXPECT_CALL(mock_stub, InjectMouseEvent(EqualsMouseMoveEvent(25, 15))).
Times(1);
}
InjectTestSequence(&mouse_filter);
}
// Verify that we can up-scale with clamping.
TEST(MouseInputFilterTest, UpScalingAndClamping) {
MockInputStub mock_stub;
MouseInputFilter mouse_filter(&mock_stub);
mouse_filter.set_output_size(webrtc::DesktopSize(80, 80));
mouse_filter.set_input_size(webrtc::DesktopSize(40, 40));
{
InSequence s;
EXPECT_CALL(mock_stub, InjectMouseEvent(EqualsMouseMoveEvent(0, 20))).
Times(3);
EXPECT_CALL(mock_stub, InjectMouseEvent(EqualsMouseMoveEvent(30, 79))).
Times(3);
EXPECT_CALL(mock_stub, InjectMouseEvent(EqualsMouseMoveEvent(30, 51))).
Times(1);
EXPECT_CALL(mock_stub, InjectMouseEvent(EqualsMouseMoveEvent(20, 0))).
Times(3);
EXPECT_CALL(mock_stub, InjectMouseEvent(EqualsMouseMoveEvent(79, 30))).
Times(3);
EXPECT_CALL(mock_stub, InjectMouseEvent(EqualsMouseMoveEvent(51, 30))).
Times(1);
}
InjectTestSequence(&mouse_filter);
}
// Verify that we can down-scale with clamping.
TEST(MouseInputFilterTest, DownScalingAndClamping) {
MockInputStub mock_stub;
MouseInputFilter mouse_filter(&mock_stub);
mouse_filter.set_output_size(webrtc::DesktopSize(30, 30));
mouse_filter.set_input_size(webrtc::DesktopSize(40, 40));
{
InSequence s;
EXPECT_CALL(mock_stub, InjectMouseEvent(EqualsMouseMoveEvent(0, 7))).
Times(3);
EXPECT_CALL(mock_stub, InjectMouseEvent(EqualsMouseMoveEvent(11, 29))).
Times(3);
EXPECT_CALL(mock_stub, InjectMouseEvent(EqualsMouseMoveEvent(11, 19))).
Times(1);
EXPECT_CALL(mock_stub, InjectMouseEvent(EqualsMouseMoveEvent(7, 0))).
Times(3);
EXPECT_CALL(mock_stub, InjectMouseEvent(EqualsMouseMoveEvent(29, 11))).
Times(3);
EXPECT_CALL(mock_stub, InjectMouseEvent(EqualsMouseMoveEvent(19, 11))).
Times(1);
}
InjectTestSequence(&mouse_filter);
}
} // namespace protocol
} // namespace remoting
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