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// Copyright 2015 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/command_line.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/WebKit/public/web/WebInputEvent.h"
#include "ui/events/event_constants.h"
#include "ui/gfx/display.h"
#include "ui/gfx/switches.h"
#if defined(OS_WIN)
#include "base/win/windows_version.h"
#include "content/browser/renderer_host/input/web_input_event_builders_win.h"
#endif
using blink::WebMouseEvent;
namespace content {
#if defined(OS_WIN)
// This test validates that Pixel to DIP conversion occurs as needed in the
// WebMouseEventBuilder::Build function.
TEST(WebInputEventBuilderTest, TestMouseEventScale) {
if (base::win::GetVersion() < base::win::VERSION_WIN7)
return;
gfx::Display::ResetForceDeviceScaleFactorForTesting();
base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
command_line->AppendSwitchASCII(switches::kForceDeviceScaleFactor, "2");
// Synthesize a mouse move with x = 300 and y = 200.
WebMouseEvent mouse_move =
WebMouseEventBuilder::Build(::GetDesktopWindow(), WM_MOUSEMOVE, 0,
MAKELPARAM(300, 200), 100);
// The WebMouseEvent.x, WebMouseEvent.y, WebMouseEvent.windowX and
// WebMouseEvent.windowY fields should be in pixels on return and hence
// should be the same value as the x and y coordinates passed in to the
// WebMouseEventBuilder::Build function.
EXPECT_EQ(300, mouse_move.x);
EXPECT_EQ(200, mouse_move.y);
EXPECT_EQ(300, mouse_move.windowX);
EXPECT_EQ(200, mouse_move.windowY);
// WebMouseEvent.globalX and WebMouseEvent.globalY are calculated in DIPs.
EXPECT_EQ(150, mouse_move.globalX);
EXPECT_EQ(100, mouse_move.globalY);
command_line->AppendSwitchASCII(switches::kForceDeviceScaleFactor, "1");
gfx::Display::ResetForceDeviceScaleFactorForTesting();
}
#endif
} // namespace content
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