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- // Copyright 2016 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/window_user_data.h"
- #include <memory>
- #include "ash/public/cpp/autotest_private_api_utils.h"
- #include "ash/test/ash_test_base.h"
- #include "ash/window_user_data.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.
- class Data {
- public:
- explicit Data(bool* delete_setter) : delete_setter_(delete_setter) {}
- Data(const Data&) = delete;
- Data& operator=(const Data&) = delete;
- ~Data() { *delete_setter_ = true; }
- private:
- bool* delete_setter_;
- };
- } // namespace
- using WindowUserDataTest = 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
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