Index: content/browser/renderer_host/input/web_input_event_unittest.cc |
diff --git a/content/browser/renderer_host/input/web_input_event_unittest.cc b/content/browser/renderer_host/input/web_input_event_unittest.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..5eba0a55e9a3dd76643e6ac22e8bf2f47a3aa7ca |
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+++ b/content/browser/renderer_host/input/web_input_event_unittest.cc |
@@ -0,0 +1,53 @@ |
+// 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/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; |
+ |
+ 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"); |
+} |
+#endif |
+ |
+} // namespace content |