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1 // Copyright 2015 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 "ash/mus/layout_manager.h" | |
6 | |
7 #include <memory> | |
8 | |
9 #include "base/macros.h" | |
10 #include "services/ui/public/cpp/tests/test_window.h" | |
11 #include "testing/gtest/include/gtest/gtest.h" | |
12 | |
13 namespace ash { | |
14 namespace mus { | |
15 | |
16 class TestLayoutManager : public LayoutManager { | |
17 public: | |
18 explicit TestLayoutManager(ui::Window* window) | |
19 : LayoutManager(window), layout_called_(false) {} | |
20 ~TestLayoutManager() override {} | |
21 | |
22 bool GetAndResetLayoutCalled() { | |
23 bool was_layout_called = layout_called_; | |
24 layout_called_ = false; | |
25 return was_layout_called; | |
26 } | |
27 | |
28 private: | |
29 // LayoutManager: | |
30 void LayoutWindow(ui::Window* window) override { layout_called_ = true; } | |
31 | |
32 bool layout_called_; | |
33 | |
34 DISALLOW_COPY_AND_ASSIGN(TestLayoutManager); | |
35 }; | |
36 | |
37 // Tests that owning window can be destroyed before the layout manager. | |
38 TEST(LayoutManagerTest, OwningWindowDestroyedFirst) { | |
39 std::unique_ptr<ui::TestWindow> parent(new ui::TestWindow(1)); | |
40 ui::TestWindow child(2); | |
41 TestLayoutManager layout_manager(parent.get()); | |
42 parent->AddChild(&child); | |
43 EXPECT_TRUE(layout_manager.GetAndResetLayoutCalled()); | |
44 parent.reset(); | |
45 child.SetBounds(gfx::Rect(100, 200)); | |
46 } | |
47 | |
48 // Tests that the layout manager can be destroyed before the owning window. | |
49 TEST(LayoutManagerTest, LayoutManagerDestroyedFirst) { | |
50 ui::TestWindow parent(1); | |
51 ui::TestWindow child(2); | |
52 std::unique_ptr<TestLayoutManager> layout_manager( | |
53 new TestLayoutManager(&parent)); | |
54 parent.AddChild(&child); | |
55 EXPECT_TRUE(layout_manager->GetAndResetLayoutCalled()); | |
56 | |
57 parent.SetBounds(gfx::Rect(100, 200)); | |
58 EXPECT_TRUE(layout_manager->GetAndResetLayoutCalled()); | |
59 | |
60 layout_manager.reset(); | |
61 parent.SetBounds(gfx::Rect(200, 100)); | |
62 } | |
63 | |
64 } // namespace mus | |
65 } // namespace ash | |
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