display_change_observer_chromeos_unittest.cc revision 23730a6e56a168d1879203e4b3819bb36e3d8f1f 
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/display/display_change_observer_chromeos.h"
6
7#include "ash/display/display_info.h"
8#include "base/memory/scoped_vector.h"
9#include "testing/gtest/include/gtest/gtest.h"
10#include "ui/display/chromeos/display_mode.h"
11#include "ui/display/chromeos/output_configurator.h"
12#include "ui/display/chromeos/test/test_display_snapshot.h"
13
14using ui::OutputConfigurator;
15
16typedef testing::Test DisplayChangeObserverTest;
17
18namespace ash {
19namespace internal {
20
21TEST_F(DisplayChangeObserverTest, GetDisplayModeList) {
22  ScopedVector<const ui::DisplayMode> modes;
23  modes.push_back(new ui::DisplayMode(gfx::Size(1920, 1200), false, 60));
24
25  // All non-interlaced (as would be seen with different refresh rates).
26  modes.push_back(new ui::DisplayMode(gfx::Size(1920, 1080), false, 80));
27  modes.push_back(new ui::DisplayMode(gfx::Size(1920, 1080), false, 70));
28  modes.push_back(new ui::DisplayMode(gfx::Size(1920, 1080), false, 60));
29
30  // Interlaced vs non-interlaced.
31  modes.push_back(new ui::DisplayMode(gfx::Size(1280, 720), true, 60));
32  modes.push_back(new ui::DisplayMode(gfx::Size(1280, 720), false, 60));
33
34  // Interlaced only.
35  modes.push_back(new ui::DisplayMode(gfx::Size(1024, 768), true, 70));
36  modes.push_back(new ui::DisplayMode(gfx::Size(1024, 768), true, 60));
37
38  // Mixed.
39  modes.push_back(new ui::DisplayMode(gfx::Size(1024, 600), true, 60));
40  modes.push_back(new ui::DisplayMode(gfx::Size(1024, 600), false, 70));
41  modes.push_back(new ui::DisplayMode(gfx::Size(1024, 600), false, 60));
42
43  // Just one interlaced mode.
44  modes.push_back(new ui::DisplayMode(gfx::Size(640, 480), true, 60));
45
46  ui::TestDisplaySnapshot display_snapshot;
47  display_snapshot.set_modes(modes.get());
48  OutputConfigurator::DisplayState output;
49  output.display = &display_snapshot;
50
51  std::vector<DisplayMode> display_modes =
52      DisplayChangeObserver::GetDisplayModeList(output);
53  ASSERT_EQ(6u, display_modes.size());
54  EXPECT_EQ("1920x1200", display_modes[0].size.ToString());
55  EXPECT_FALSE(display_modes[0].interlaced);
56  EXPECT_EQ(display_modes[0].refresh_rate, 60);
57
58  EXPECT_EQ("1920x1080", display_modes[1].size.ToString());
59  EXPECT_FALSE(display_modes[1].interlaced);
60  EXPECT_EQ(display_modes[1].refresh_rate, 80);
61
62  EXPECT_EQ("1280x720", display_modes[2].size.ToString());
63  EXPECT_FALSE(display_modes[2].interlaced);
64  EXPECT_EQ(display_modes[2].refresh_rate, 60);
65
66  EXPECT_EQ("1024x768", display_modes[3].size.ToString());
67  EXPECT_TRUE(display_modes[3].interlaced);
68  EXPECT_EQ(display_modes[3].refresh_rate, 70);
69
70  EXPECT_EQ("1024x600", display_modes[4].size.ToString());
71  EXPECT_FALSE(display_modes[4].interlaced);
72  EXPECT_EQ(display_modes[4].refresh_rate, 70);
73
74  EXPECT_EQ("640x480", display_modes[5].size.ToString());
75  EXPECT_TRUE(display_modes[5].interlaced);
76  EXPECT_EQ(display_modes[5].refresh_rate, 60);
77
78  // Outputs without any modes shouldn't cause a crash.
79  modes.clear();
80  display_snapshot.set_modes(modes.get());
81
82  display_modes = DisplayChangeObserver::GetDisplayModeList(output);
83  EXPECT_EQ(0u, display_modes.size());
84}
85
86}  // namespace internal
87}  // namespace ash
88