display_change_observer_chromeos_unittest.cc revision 1320f92c476a1ad9d19dba2a48c72b75566198e9 
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_configurator.h"
11#include "ui/display/chromeos/test/test_display_snapshot.h"
12#include "ui/display/types/display_mode.h"
13
14using ui::DisplayConfigurator;
15
16typedef testing::Test DisplayChangeObserverTest;
17
18namespace ash {
19
20TEST_F(DisplayChangeObserverTest, GetExternalDisplayModeList) {
21  ScopedVector<const ui::DisplayMode> modes;
22  modes.push_back(new ui::DisplayMode(gfx::Size(1920, 1200), false, 60));
23
24  // All non-interlaced (as would be seen with different refresh rates).
25  modes.push_back(new ui::DisplayMode(gfx::Size(1920, 1080), false, 80));
26  modes.push_back(new ui::DisplayMode(gfx::Size(1920, 1080), false, 70));
27  modes.push_back(new ui::DisplayMode(gfx::Size(1920, 1080), false, 60));
28
29  // Interlaced vs non-interlaced.
30  modes.push_back(new ui::DisplayMode(gfx::Size(1280, 720), true, 60));
31  modes.push_back(new ui::DisplayMode(gfx::Size(1280, 720), false, 60));
32
33  // Interlaced only.
34  modes.push_back(new ui::DisplayMode(gfx::Size(1024, 768), true, 70));
35  modes.push_back(new ui::DisplayMode(gfx::Size(1024, 768), true, 60));
36
37  // Mixed.
38  modes.push_back(new ui::DisplayMode(gfx::Size(1024, 600), true, 60));
39  modes.push_back(new ui::DisplayMode(gfx::Size(1024, 600), false, 70));
40  modes.push_back(new ui::DisplayMode(gfx::Size(1024, 600), false, 60));
41
42  // Just one interlaced mode.
43  modes.push_back(new ui::DisplayMode(gfx::Size(640, 480), true, 60));
44
45  ui::TestDisplaySnapshot display_snapshot;
46  display_snapshot.set_modes(modes.get());
47  DisplayConfigurator::DisplayState output;
48  output.display = &display_snapshot;
49
50  std::vector<DisplayMode> display_modes =
51      DisplayChangeObserver::GetExternalDisplayModeList(output);
52  ASSERT_EQ(6u, display_modes.size());
53  EXPECT_EQ("640x480", display_modes[0].size.ToString());
54  EXPECT_TRUE(display_modes[0].interlaced);
55  EXPECT_EQ(display_modes[0].refresh_rate, 60);
56
57  EXPECT_EQ("1024x600", display_modes[1].size.ToString());
58  EXPECT_FALSE(display_modes[1].interlaced);
59  EXPECT_EQ(display_modes[1].refresh_rate, 70);
60
61  EXPECT_EQ("1024x768", display_modes[2].size.ToString());
62  EXPECT_TRUE(display_modes[2].interlaced);
63  EXPECT_EQ(display_modes[2].refresh_rate, 70);
64
65  EXPECT_EQ("1280x720", display_modes[3].size.ToString());
66  EXPECT_FALSE(display_modes[3].interlaced);
67  EXPECT_EQ(display_modes[3].refresh_rate, 60);
68
69  EXPECT_EQ("1920x1080", display_modes[4].size.ToString());
70  EXPECT_FALSE(display_modes[4].interlaced);
71  EXPECT_EQ(display_modes[4].refresh_rate, 80);
72
73  EXPECT_EQ("1920x1200", display_modes[5].size.ToString());
74  EXPECT_FALSE(display_modes[5].interlaced);
75  EXPECT_EQ(display_modes[5].refresh_rate, 60);
76
77  // Outputs without any modes shouldn't cause a crash.
78  modes.clear();
79  display_snapshot.set_modes(modes.get());
80
81  display_modes = DisplayChangeObserver::GetExternalDisplayModeList(output);
82  EXPECT_EQ(0u, display_modes.size());
83}
84
85TEST_F(DisplayChangeObserverTest, GetInternalDisplayModeList) {
86  ScopedVector<const ui::DisplayMode> modes;
87  // Data picked from peppy.
88  modes.push_back(new ui::DisplayMode(gfx::Size(1366, 768), false, 60));
89  modes.push_back(new ui::DisplayMode(gfx::Size(1024, 768), false, 60));
90  modes.push_back(new ui::DisplayMode(gfx::Size(800, 600), false, 60));
91  modes.push_back(new ui::DisplayMode(gfx::Size(600, 600), false, 56.2));
92  modes.push_back(new ui::DisplayMode(gfx::Size(640, 480), false, 59.9));
93
94  ui::TestDisplaySnapshot display_snapshot;
95  display_snapshot.set_modes(modes.get());
96  display_snapshot.set_native_mode(modes[0]);
97  DisplayConfigurator::DisplayState output;
98  output.display = &display_snapshot;
99
100  DisplayInfo info;
101  info.SetBounds(gfx::Rect(0, 0, 1366, 768));
102
103  std::vector<DisplayMode> display_modes =
104      DisplayChangeObserver::GetInternalDisplayModeList(info, output);
105  ASSERT_EQ(5u, display_modes.size());
106  EXPECT_EQ("1366x768", display_modes[0].size.ToString());
107  EXPECT_FALSE(display_modes[0].native);
108  EXPECT_NEAR(display_modes[0].ui_scale, 0.5, 0.01);
109  EXPECT_EQ(display_modes[0].refresh_rate, 60);
110
111  EXPECT_EQ("1366x768", display_modes[1].size.ToString());
112  EXPECT_FALSE(display_modes[1].native);
113  EXPECT_NEAR(display_modes[1].ui_scale, 0.6, 0.01);
114  EXPECT_EQ(display_modes[1].refresh_rate, 60);
115
116  EXPECT_EQ("1366x768", display_modes[2].size.ToString());
117  EXPECT_FALSE(display_modes[2].native);
118  EXPECT_NEAR(display_modes[2].ui_scale, 0.75, 0.01);
119  EXPECT_EQ(display_modes[2].refresh_rate, 60);
120
121  EXPECT_EQ("1366x768", display_modes[3].size.ToString());
122  EXPECT_TRUE(display_modes[3].native);
123  EXPECT_NEAR(display_modes[3].ui_scale, 1.0, 0.01);
124  EXPECT_EQ(display_modes[3].refresh_rate, 60);
125
126  EXPECT_EQ("1366x768", display_modes[4].size.ToString());
127  EXPECT_FALSE(display_modes[4].native);
128  EXPECT_NEAR(display_modes[4].ui_scale, 1.125, 0.01);
129  EXPECT_EQ(display_modes[4].refresh_rate, 60);
130}
131
132TEST_F(DisplayChangeObserverTest, GetInternalHiDPIDisplayModeList) {
133  ScopedVector<const ui::DisplayMode> modes;
134  // Data picked from peppy.
135  modes.push_back(new ui::DisplayMode(gfx::Size(2560, 1700), false, 60));
136  modes.push_back(new ui::DisplayMode(gfx::Size(2048, 1536), false, 60));
137  modes.push_back(new ui::DisplayMode(gfx::Size(1920, 1440), false, 60));
138
139  ui::TestDisplaySnapshot display_snapshot;
140  display_snapshot.set_modes(modes.get());
141  display_snapshot.set_native_mode(modes[0]);
142  DisplayConfigurator::DisplayState output;
143  output.display = &display_snapshot;
144
145  DisplayInfo info;
146  info.SetBounds(gfx::Rect(0, 0, 2560, 1700));
147  info.set_device_scale_factor(2.0f);
148
149  std::vector<DisplayMode> display_modes =
150      DisplayChangeObserver::GetInternalDisplayModeList(info, output);
151  ASSERT_EQ(8u, display_modes.size());
152  EXPECT_EQ("2560x1700", display_modes[0].size.ToString());
153  EXPECT_FALSE(display_modes[0].native);
154  EXPECT_NEAR(display_modes[0].ui_scale, 0.5, 0.01);
155  EXPECT_EQ(display_modes[0].refresh_rate, 60);
156
157  EXPECT_EQ("2560x1700", display_modes[1].size.ToString());
158  EXPECT_FALSE(display_modes[1].native);
159  EXPECT_NEAR(display_modes[1].ui_scale, 0.625, 0.01);
160  EXPECT_EQ(display_modes[1].refresh_rate, 60);
161
162  EXPECT_EQ("2560x1700", display_modes[2].size.ToString());
163  EXPECT_FALSE(display_modes[2].native);
164  EXPECT_NEAR(display_modes[2].ui_scale, 0.8, 0.01);
165  EXPECT_EQ(display_modes[2].refresh_rate, 60);
166
167  EXPECT_EQ("2560x1700", display_modes[3].size.ToString());
168  EXPECT_FALSE(display_modes[3].native);
169  EXPECT_NEAR(display_modes[3].ui_scale, 1.0, 0.01);
170  EXPECT_EQ(display_modes[3].refresh_rate, 60);
171
172  EXPECT_EQ("2560x1700", display_modes[4].size.ToString());
173  EXPECT_FALSE(display_modes[4].native);
174  EXPECT_NEAR(display_modes[4].ui_scale, 1.125, 0.01);
175  EXPECT_EQ(display_modes[4].refresh_rate, 60);
176
177  EXPECT_EQ("2560x1700", display_modes[5].size.ToString());
178  EXPECT_FALSE(display_modes[5].native);
179  EXPECT_NEAR(display_modes[5].ui_scale, 1.25, 0.01);
180  EXPECT_EQ(display_modes[5].refresh_rate, 60);
181
182  EXPECT_EQ("2560x1700", display_modes[6].size.ToString());
183  EXPECT_FALSE(display_modes[6].native);
184  EXPECT_NEAR(display_modes[6].ui_scale, 1.5, 0.01);
185  EXPECT_EQ(display_modes[6].refresh_rate, 60);
186
187  EXPECT_EQ("2560x1700", display_modes[7].size.ToString());
188  EXPECT_TRUE(display_modes[7].native);
189  EXPECT_NEAR(display_modes[7].ui_scale, 2.0, 0.01);
190  EXPECT_EQ(display_modes[7].refresh_rate, 60);
191}
192
193TEST_F(DisplayChangeObserverTest, GetInternalDisplayModeList1_25) {
194  ScopedVector<const ui::DisplayMode> modes;
195  // Data picked from peppy.
196  modes.push_back(new ui::DisplayMode(gfx::Size(1920, 1080), false, 60));
197
198  ui::TestDisplaySnapshot display_snapshot;
199  display_snapshot.set_modes(modes.get());
200  display_snapshot.set_native_mode(modes[0]);
201  DisplayConfigurator::DisplayState output;
202  output.display = &display_snapshot;
203
204  DisplayInfo info;
205  info.SetBounds(gfx::Rect(0, 0, 1920, 1080));
206  info.set_device_scale_factor(1.25);
207
208  std::vector<DisplayMode> display_modes =
209      DisplayChangeObserver::GetInternalDisplayModeList(info, output);
210  ASSERT_EQ(5u, display_modes.size());
211  EXPECT_EQ("1920x1080", display_modes[0].size.ToString());
212  EXPECT_FALSE(display_modes[0].native);
213  EXPECT_NEAR(display_modes[0].ui_scale, 0.5, 0.01);
214  EXPECT_EQ(display_modes[0].refresh_rate, 60);
215
216  EXPECT_EQ("1920x1080", display_modes[1].size.ToString());
217  EXPECT_FALSE(display_modes[1].native);
218  EXPECT_NEAR(display_modes[1].ui_scale, 0.625, 0.01);
219  EXPECT_EQ(display_modes[1].refresh_rate, 60);
220
221  EXPECT_EQ("1920x1080", display_modes[2].size.ToString());
222  EXPECT_FALSE(display_modes[2].native);
223  EXPECT_NEAR(display_modes[2].ui_scale, 0.8, 0.01);
224  EXPECT_EQ(display_modes[2].refresh_rate, 60);
225
226  EXPECT_EQ("1920x1080", display_modes[3].size.ToString());
227  EXPECT_FALSE(display_modes[3].native);
228  EXPECT_NEAR(display_modes[3].ui_scale, 1.0, 0.01);
229  EXPECT_EQ(display_modes[3].refresh_rate, 60);
230
231  EXPECT_EQ("1920x1080", display_modes[4].size.ToString());
232  EXPECT_TRUE(display_modes[4].native);
233  EXPECT_NEAR(display_modes[4].ui_scale, 1.25, 0.01);
234  EXPECT_EQ(display_modes[4].refresh_rate, 60);
235}
236
237TEST_F(DisplayChangeObserverTest, GetExternalDisplayModeList4K) {
238  ScopedVector<const ui::DisplayMode> modes;
239  modes.push_back(new ui::DisplayMode(gfx::Size(3840, 2160), false, 30));
240  modes.push_back(new ui::DisplayMode(gfx::Size(1920, 1200), false, 60));
241
242  // All non-interlaced (as would be seen with different refresh rates).
243  modes.push_back(new ui::DisplayMode(gfx::Size(1920, 1080), false, 80));
244  modes.push_back(new ui::DisplayMode(gfx::Size(1920, 1080), false, 70));
245  modes.push_back(new ui::DisplayMode(gfx::Size(1920, 1080), false, 60));
246
247  // Interlaced vs non-interlaced.
248  modes.push_back(new ui::DisplayMode(gfx::Size(1280, 720), true, 60));
249  modes.push_back(new ui::DisplayMode(gfx::Size(1280, 720), false, 60));
250
251  // Interlaced only.
252  modes.push_back(new ui::DisplayMode(gfx::Size(1024, 768), true, 70));
253  modes.push_back(new ui::DisplayMode(gfx::Size(1024, 768), true, 60));
254
255  // Mixed.
256  modes.push_back(new ui::DisplayMode(gfx::Size(1024, 600), true, 60));
257  modes.push_back(new ui::DisplayMode(gfx::Size(1024, 600), false, 70));
258  modes.push_back(new ui::DisplayMode(gfx::Size(1024, 600), false, 60));
259
260  // Just one interlaced mode.
261  modes.push_back(new ui::DisplayMode(gfx::Size(640, 480), true, 60));
262
263  ui::TestDisplaySnapshot display_snapshot;
264  display_snapshot.set_modes(modes.get());
265  display_snapshot.set_native_mode(modes[0]);
266  DisplayConfigurator::DisplayState output;
267  output.display = &display_snapshot;
268
269  std::vector<DisplayMode> display_modes =
270      DisplayChangeObserver::GetExternalDisplayModeList(output);
271  ASSERT_EQ(9u, display_modes.size());
272  EXPECT_EQ("640x480", display_modes[0].size.ToString());
273  EXPECT_TRUE(display_modes[0].interlaced);
274  EXPECT_EQ(display_modes[0].refresh_rate, 60);
275
276  EXPECT_EQ("1024x600", display_modes[1].size.ToString());
277  EXPECT_FALSE(display_modes[1].interlaced);
278  EXPECT_EQ(display_modes[1].refresh_rate, 70);
279
280  EXPECT_EQ("1024x768", display_modes[2].size.ToString());
281  EXPECT_TRUE(display_modes[2].interlaced);
282  EXPECT_EQ(display_modes[2].refresh_rate, 70);
283
284  EXPECT_EQ("1280x720", display_modes[3].size.ToString());
285  EXPECT_FALSE(display_modes[3].interlaced);
286  EXPECT_EQ(display_modes[3].refresh_rate, 60);
287
288  EXPECT_EQ("1920x1080", display_modes[4].size.ToString());
289  EXPECT_FALSE(display_modes[4].interlaced);
290  EXPECT_EQ(display_modes[4].refresh_rate, 80);
291
292  EXPECT_EQ("3840x2160", display_modes[5].size.ToString());
293  EXPECT_FALSE(display_modes[5].interlaced);
294  EXPECT_FALSE(display_modes[5].native);
295  EXPECT_EQ(display_modes[5].refresh_rate, 30);
296  EXPECT_EQ(display_modes[5].device_scale_factor, 2.0);
297
298  EXPECT_EQ("1920x1200", display_modes[6].size.ToString());
299  EXPECT_FALSE(display_modes[6].interlaced);
300  EXPECT_EQ(display_modes[6].refresh_rate, 60);
301
302  EXPECT_EQ("3840x2160", display_modes[7].size.ToString());
303  EXPECT_FALSE(display_modes[7].interlaced);
304  EXPECT_FALSE(display_modes[7].native);
305  EXPECT_EQ(display_modes[7].refresh_rate, 30);
306  EXPECT_EQ(display_modes[7].device_scale_factor, 1.25);
307
308  EXPECT_EQ("3840x2160", display_modes[8].size.ToString());
309  EXPECT_FALSE(display_modes[8].interlaced);
310  EXPECT_TRUE(display_modes[8].native);
311  EXPECT_EQ(display_modes[8].refresh_rate, 30);
312
313  // Outputs without any modes shouldn't cause a crash.
314  modes.clear();
315  display_snapshot.set_modes(modes.get());
316
317  display_modes = DisplayChangeObserver::GetExternalDisplayModeList(output);
318  EXPECT_EQ(0u, display_modes.size());
319}
320
321TEST_F(DisplayChangeObserverTest, FindDeviceScaleFactor) {
322  // 19.5" 1600x900
323  EXPECT_EQ(1.0f, DisplayChangeObserver::FindDeviceScaleFactor(94.14f));
324
325  // 21.5" 1920x1080
326  EXPECT_EQ(1.0f, DisplayChangeObserver::FindDeviceScaleFactor(102.46f));
327
328  // 12.1" 1280x800
329  EXPECT_EQ(1.0f, DisplayChangeObserver::FindDeviceScaleFactor(124.75f));
330
331  // 13.3" 1920x1080
332  EXPECT_EQ(1.25f, DisplayChangeObserver::FindDeviceScaleFactor(157.35f));
333
334  // 14" 1920x1080
335  EXPECT_EQ(1.25f, DisplayChangeObserver::FindDeviceScaleFactor(165.63f));
336
337  // 12.85" 2560x1700
338  EXPECT_EQ(2.0f, DisplayChangeObserver::FindDeviceScaleFactor(239.15f));
339
340  // Erroneous values should still work.
341  EXPECT_EQ(1.0f, DisplayChangeObserver::FindDeviceScaleFactor(-100.0f));
342  EXPECT_EQ(1.0f, DisplayChangeObserver::FindDeviceScaleFactor(0.0f));
343  EXPECT_EQ(2.0f, DisplayChangeObserver::FindDeviceScaleFactor(10000.0f));
344}
345
346}  // namespace ash
347