1// Copyright 2014 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#include "ui/wm/core/window_util.h" 6 7#include "base/memory/scoped_ptr.h" 8#include "ui/aura/test/aura_test_base.h" 9#include "ui/aura/test/test_windows.h" 10#include "ui/aura/window.h" 11#include "ui/compositor/layer.h" 12#include "ui/compositor/layer_tree_owner.h" 13 14namespace wm { 15 16typedef aura::test::AuraTestBase WindowUtilTest; 17 18// Test if the recreate layers does not recreate layers that have 19// already been acquired. 20TEST_F(WindowUtilTest, RecreateLayers) { 21 scoped_ptr<aura::Window> window1( 22 aura::test::CreateTestWindowWithId(0, NULL)); 23 scoped_ptr<aura::Window> window11( 24 aura::test::CreateTestWindowWithId(1, window1.get())); 25 scoped_ptr<aura::Window> window12( 26 aura::test::CreateTestWindowWithId(2, window1.get())); 27 28 ASSERT_EQ(2u, window1->layer()->children().size()); 29 30 scoped_ptr<ui::Layer> acquired(window11->AcquireLayer()); 31 EXPECT_TRUE(acquired.get()); 32 EXPECT_EQ(acquired.get(), window11->layer()); 33 34 scoped_ptr<ui::LayerTreeOwner> tree = 35 wm::RecreateLayers(window1.get()); 36 37 // The detached layer should not have the layer that has 38 // already been detached. 39 ASSERT_EQ(1u, tree->root()->children().size()); 40 // Child layer is new instance. 41 EXPECT_NE(window11->layer(), tree->root()->children()[0]); 42 EXPECT_NE(window12->layer(), tree->root()->children()[0]); 43 44 // The original window should have both. 45 ASSERT_EQ(2u, window1->layer()->children().size()); 46 EXPECT_EQ(window11->layer(), window1->layer()->children()[0]); 47 EXPECT_EQ(window12->layer(), window1->layer()->children()[1]); 48 49 // Delete the window before the acquired layer is deleted. 50 window11.reset(); 51} 52} // namespace wm 53