1// Copyright 2013 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/shell.h"
6#include "ash/test/ash_test_base.h"
7#include "ash/test/test_shelf_delegate.h"
8#include "ash/wm/mru_window_tracker.h"
9#include "ash/wm/window_state.h"
10#include "ash/wm/window_util.h"
11#include "base/compiler_specific.h"
12#include "ui/aura/test/test_window_delegate.h"
13#include "ui/aura/window.h"
14#include "ui/views/widget/widget.h"
15
16namespace ash {
17
18class MruWindowTrackerTest : public test::AshTestBase {
19 public:
20  MruWindowTrackerTest() {}
21  virtual ~MruWindowTrackerTest() {}
22
23  aura::Window* CreateWindow() {
24    return CreateTestWindowInShellWithBounds(gfx::Rect(0, 0, 400, 400));
25  }
26
27  ash::MruWindowTracker* mru_window_tracker() {
28    return Shell::GetInstance()->mru_window_tracker();
29  }
30
31 private:
32  DISALLOW_COPY_AND_ASSIGN(MruWindowTrackerTest);
33};
34
35// Basic test that the activation order is tracked.
36TEST_F(MruWindowTrackerTest, Basic) {
37  scoped_ptr<aura::Window> w1(CreateWindow());
38  scoped_ptr<aura::Window> w2(CreateWindow());
39  scoped_ptr<aura::Window> w3(CreateWindow());
40  wm::ActivateWindow(w3.get());
41  wm::ActivateWindow(w2.get());
42  wm::ActivateWindow(w1.get());
43
44  MruWindowTracker::WindowList window_list =
45      mru_window_tracker()->BuildMruWindowList();
46  EXPECT_EQ(w1.get(), window_list[0]);
47  EXPECT_EQ(w2.get(), window_list[1]);
48  EXPECT_EQ(w3.get(), window_list[2]);
49}
50
51// Test that minimized windows are considered least recently used (but kept in
52// correct relative order).
53TEST_F(MruWindowTrackerTest, MinimizedWindowsAreLru) {
54  scoped_ptr<aura::Window> w1(CreateWindow());
55  scoped_ptr<aura::Window> w2(CreateWindow());
56  scoped_ptr<aura::Window> w3(CreateWindow());
57  scoped_ptr<aura::Window> w4(CreateWindow());
58  scoped_ptr<aura::Window> w5(CreateWindow());
59  scoped_ptr<aura::Window> w6(CreateWindow());
60  wm::ActivateWindow(w6.get());
61  wm::ActivateWindow(w5.get());
62  wm::ActivateWindow(w4.get());
63  wm::ActivateWindow(w3.get());
64  wm::ActivateWindow(w2.get());
65  wm::ActivateWindow(w1.get());
66
67  wm::GetWindowState(w1.get())->Minimize();
68  wm::GetWindowState(w4.get())->Minimize();
69  wm::GetWindowState(w5.get())->Minimize();
70
71  // Expect the relative order of minimized windows to remain the same, but all
72  // minimized windows to be at the end of the list.
73  MruWindowTracker::WindowList window_list =
74      mru_window_tracker()->BuildMruWindowList();
75  EXPECT_EQ(w2.get(), window_list[0]);
76  EXPECT_EQ(w3.get(), window_list[1]);
77  EXPECT_EQ(w6.get(), window_list[2]);
78  EXPECT_EQ(w1.get(), window_list[3]);
79  EXPECT_EQ(w4.get(), window_list[4]);
80  EXPECT_EQ(w5.get(), window_list[5]);
81}
82
83}  // namespace ash
84