| // Copyright 2016 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include"ash/window_user_data.h" |
| |
| #include<memory> |
| |
| #include"ash/public/cpp/autotest_private_api_utils.h" |
| #include"ash/test/ash_test_base.h" |
| #include"base/memory/raw_ptr.h" |
| #include"ui/aura/window.h" |
| #include"ui/compositor/layer_type.h" |
| |
| namespace ash{ |
| namespace{ |
| |
| // Class that sets a bool* to true from the destructor. Used to track |
| // destruction. |
| classData{ |
| public: |
| explicitData(bool* delete_setter): delete_setter_(delete_setter){} |
| |
| Data(constData&)=delete; |
| Data&operator=(constData&)=delete; |
| |
| ~Data(){*delete_setter_=true;} |
| |
| private: |
| raw_ptr<bool> delete_setter_; |
| }; |
| |
| }// namespace |
| |
| usingWindowUserDataTest=AshTestBase; |
| |
| // Verifies clear() deletes the data associated with a window. |
| TEST_F(WindowUserDataTest,ClearDestroys){ |
| WindowUserData<Data> user_data; |
| std::unique_ptr<aura::Window> window= |
| std::make_unique<aura::Window>(nullptr); |
| window->Init(ui::LAYER_NOT_DRAWN); |
| bool data_deleted=false; |
| user_data.Set(window.get(), std::make_unique<Data>(&data_deleted)); |
| EXPECT_FALSE(data_deleted); |
| user_data.clear(); |
| EXPECT_TRUE(data_deleted); |
| } |
| |
| // Verifies Set() called with an existing window replaces the existing data. |
| TEST_F(WindowUserDataTest,ReplaceDestroys){ |
| WindowUserData<Data> user_data; |
| std::unique_ptr<aura::Window> window= |
| std::make_unique<aura::Window>(nullptr); |
| window->Init(ui::LAYER_NOT_DRAWN); |
| bool data1_deleted=false; |
| user_data.Set(window.get(), std::make_unique<Data>(&data1_deleted)); |
| EXPECT_FALSE(data1_deleted); |
| bool data2_deleted=false; |
| user_data.Set(window.get(), std::make_unique<Data>(&data2_deleted)); |
| EXPECT_TRUE(data1_deleted); |
| EXPECT_FALSE(data2_deleted); |
| ASSERT_EQ(1u, user_data.GetWindows().size()); |
| EXPECT_EQ(window.get(),*user_data.GetWindows().begin()); |
| window.reset(); |
| EXPECT_TRUE(data2_deleted); |
| EXPECT_TRUE(user_data.GetWindows().empty()); |
| } |
| |
| // Verifies Set() with null deletes existing data. |
| TEST_F(WindowUserDataTest,NullClears){ |
| WindowUserData<Data> user_data; |
| std::unique_ptr<aura::Window> window= |
| std::make_unique<aura::Window>(nullptr); |
| window->Init(ui::LAYER_NOT_DRAWN); |
| bool data1_deleted=false; |
| user_data.Set(window.get(), std::make_unique<Data>(&data1_deleted)); |
| EXPECT_FALSE(data1_deleted); |
| user_data.Set(window.get(),nullptr); |
| EXPECT_TRUE(data1_deleted); |
| EXPECT_TRUE(user_data.GetWindows().empty()); |
| } |
| |
| }// namespace ash |
