ash: Resize PowerButtonController background layer.

ash/wm/power_button_controller_unittest.cc

 // 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 "ash/wm/power_button_controller.h"
 
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/time.h"
 #include "ui/aura/root_window.h"
+#include "ui/gfx/rect.h"
+#include "ui/gfx/size.h"
 
 namespace ash {
 namespace test {
 
 // Fake implementation of PowerButtonControllerDelegate that just logs requests
 // to lock the screen and shut down the device.
 class TestPowerButtonControllerDelegate : public PowerButtonControllerDelegate {
  public:
   TestPowerButtonControllerDelegate()
       : num_lock_requests_(0),
@@ skipping 496 matching lines @@
           PowerButtonController::ANIMATION_FAST_CLOSE));
   EXPECT_TRUE(test_api_->BackgroundLayerIsVisible());
   EXPECT_FALSE(Shell::GetRootWindow()->cursor_shown());
 
   EXPECT_EQ(0, delegate_->num_shutdown_requests());
   EXPECT_TRUE(test_api_->real_shutdown_timer_is_running());
   test_api_->trigger_real_shutdown_timeout();
   EXPECT_EQ(1, delegate_->num_shutdown_requests());
 }
 
+// Test that the background layer is resized in response to root window resizes.
+TEST_F(PowerButtonControllerTest, ResizeBackgroundLayer) {
+  controller_->OnPowerButtonEvent(true, base::TimeTicks::Now());
+  EXPECT_EQ(Shell::GetRootWindow()->bounds().ToString(),
+            test_api_->GetBackgroundLayerBounds().ToString());
+
+  const gfx::Size kNewSize(400, 300);
+  Shell::GetRootWindow()->SetHostSize(kNewSize);
+  EXPECT_EQ(gfx::Rect(kNewSize).ToString(),
+            test_api_->GetBackgroundLayerBounds().ToString());
+}
+
 }  // namespace test
 }  // namespace ash