diff options
Diffstat (limited to 'chromium/ash/wm/screen_dimmer_unittest.cc')
-rw-r--r-- | chromium/ash/wm/screen_dimmer_unittest.cc | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/chromium/ash/wm/screen_dimmer_unittest.cc b/chromium/ash/wm/screen_dimmer_unittest.cc new file mode 100644 index 00000000000..a87c71bf088 --- /dev/null +++ b/chromium/ash/wm/screen_dimmer_unittest.cc @@ -0,0 +1,79 @@ +// 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/screen_dimmer.h" + +#include "ash/root_window_controller.h" +#include "ash/shell.h" +#include "ash/test/ash_test_base.h" +#include "base/basictypes.h" +#include "base/memory/scoped_ptr.h" +#include "ui/aura/root_window.h" +#include "ui/compositor/layer.h" + +namespace ash { +namespace test { + +class ScreenDimmerTest : public AshTestBase { + public: + ScreenDimmerTest() : dimmer_(NULL) {} + virtual ~ScreenDimmerTest() {} + + virtual void SetUp() OVERRIDE { + AshTestBase::SetUp(); + dimmer_ = Shell::GetPrimaryRootWindowController()->screen_dimmer(); + test_api_.reset(new internal::ScreenDimmer::TestApi(dimmer_)); + } + + protected: + internal::ScreenDimmer* dimmer_; // not owned + + scoped_ptr<internal::ScreenDimmer::TestApi> test_api_; + + private: + DISALLOW_COPY_AND_ASSIGN(ScreenDimmerTest); +}; + +TEST_F(ScreenDimmerTest, DimAndUndim) { + // Don't create a layer until we need to. + EXPECT_TRUE(test_api_->layer() == NULL); + dimmer_->SetDimming(false); + EXPECT_TRUE(test_api_->layer() == NULL); + + // When we enable dimming, the layer should be created and stacked at the top + // of the root's children. + dimmer_->SetDimming(true); + ASSERT_TRUE(test_api_->layer() != NULL); + ui::Layer* root_layer = Shell::GetPrimaryRootWindow()->layer(); + ASSERT_TRUE(!root_layer->children().empty()); + EXPECT_EQ(test_api_->layer(), root_layer->children().back()); + EXPECT_TRUE(test_api_->layer()->visible()); + EXPECT_GT(test_api_->layer()->GetTargetOpacity(), 0.0f); + + // When we disable dimming, the layer should be animated back to full + // transparency. + dimmer_->SetDimming(false); + ASSERT_TRUE(test_api_->layer() != NULL); + EXPECT_TRUE(test_api_->layer()->visible()); + EXPECT_FLOAT_EQ(0.0f, test_api_->layer()->GetTargetOpacity()); +} + +TEST_F(ScreenDimmerTest, ResizeLayer) { + // The dimming layer should be initially sized to cover the root window. + dimmer_->SetDimming(true); + ui::Layer* dimming_layer = test_api_->layer(); + ASSERT_TRUE(dimming_layer != NULL); + ui::Layer* root_layer = Shell::GetPrimaryRootWindow()->layer(); + EXPECT_EQ(gfx::Rect(root_layer->bounds().size()).ToString(), + dimming_layer->bounds().ToString()); + + // When we resize the root window, the dimming layer should be resized to + // match. + gfx::Size kNewSize(400, 300); + Shell::GetPrimaryRootWindow()->GetDispatcher()->SetHostSize(kNewSize); + EXPECT_EQ(kNewSize.ToString(), dimming_layer->bounds().size().ToString()); +} + +} // namespace test +} // namespace ash |