ash: Get output info from chromeos instead of XRandR.

ash/display/display_change_observer_chromeos_unittest.cc

 // Copyright 2013 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/display/display_util_x11.h"
+#include "ash/display/display_change_observer_chromeos.h"
 
-#include <X11/extensions/Xrandr.h>
-
-// Undefine X's macros used in gtest.
-#undef Bool
-#undef None
-
+#include "ash/display/display_info.h"
+#include "chromeos/display/output_configurator.h"
 #include "chromeos/display/output_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-typedef testing::Test DisplayUtilX11Test;
+using chromeos::OutputConfigurator;
+
+typedef testing::Test DisplayChangeObserverTest;
 
 namespace ash {
 namespace internal {
 
-TEST_F(DisplayUtilX11Test, TestBlackListedDisplay) {
-  EXPECT_TRUE(ShouldIgnoreSize(10, 10));
-  EXPECT_TRUE(ShouldIgnoreSize(40, 30));
-  EXPECT_TRUE(ShouldIgnoreSize(50, 40));
-  EXPECT_TRUE(ShouldIgnoreSize(160, 90));
-  EXPECT_TRUE(ShouldIgnoreSize(160, 100));
+TEST_F(DisplayChangeObserverTest, TestBlackListedDisplay) {
+  EXPECT_TRUE(DisplayChangeObserver::ShouldIgnoreSize(10, 10));
+  EXPECT_TRUE(DisplayChangeObserver::ShouldIgnoreSize(40, 30));
+  EXPECT_TRUE(DisplayChangeObserver::ShouldIgnoreSize(50, 40));
+  EXPECT_TRUE(DisplayChangeObserver::ShouldIgnoreSize(160, 90));
+  EXPECT_TRUE(DisplayChangeObserver::ShouldIgnoreSize(160, 100));
 
-  EXPECT_FALSE(ShouldIgnoreSize(50, 60));
-  EXPECT_FALSE(ShouldIgnoreSize(100, 70));
-  EXPECT_FALSE(ShouldIgnoreSize(272, 181));
+  EXPECT_FALSE(DisplayChangeObserver::ShouldIgnoreSize(50, 60));
+  EXPECT_FALSE(DisplayChangeObserver::ShouldIgnoreSize(100, 70));
+  EXPECT_FALSE(DisplayChangeObserver::ShouldIgnoreSize(272, 181));
 }
 
-TEST_F(DisplayUtilX11Test, GetResolutionList) {
-  XRRScreenResources resources = {0};
-  RROutput outputs[] = {1};
-  resources.noutput = arraysize(outputs);
-  resources.outputs = outputs;
-  XRRModeInfo modes[] = {
-    // id, width, height, interlaced, refresh rate
-    chromeos::test::CreateModeInfo(11, 1920, 1200, false, 60.0f),
+TEST_F(DisplayChangeObserverTest, GetResolutionList) {
+  OutputConfigurator::OutputSnapshot output;
+  output.mode_infos[11] = OutputConfigurator::ModeInfo(1920, 1200, false);
 
-    // different rates
-    chromeos::test::CreateModeInfo(12, 1920, 1080, false, 30.0f),
-    chromeos::test::CreateModeInfo(13, 1920, 1080, false, 50.0f),
-    chromeos::test::CreateModeInfo(14, 1920, 1080, false, 40.0f),
+  // All non-interlaced (as would be seen with different refresh rates).
+  output.mode_infos[12] = OutputConfigurator::ModeInfo(1920, 1080, false);
+  output.mode_infos[13] = OutputConfigurator::ModeInfo(1920, 1080, false);
+  output.mode_infos[14] = OutputConfigurator::ModeInfo(1920, 1080, false);
 
-    // interlace vs non interlace
-    chromeos::test::CreateModeInfo(15, 1280, 720, true, 60.0f),
-    chromeos::test::CreateModeInfo(16, 1280, 720, false, 40.0f),
+  // Interlaced vs non-interlaced.
+  output.mode_infos[15] = OutputConfigurator::ModeInfo(1280, 720, true);
+  output.mode_infos[16] = OutputConfigurator::ModeInfo(1280, 720, false);
 
-    // interlace only
-    chromeos::test::CreateModeInfo(17, 1024, 768, true, 40.0f),
-    chromeos::test::CreateModeInfo(18, 1024, 768, true, 60.0f),
+  // Interlaced only.
+  output.mode_infos[17] = OutputConfigurator::ModeInfo(1024, 768, true);
+  output.mode_infos[18] = OutputConfigurator::ModeInfo(1024, 768, true);
 
-    // mixed
-    chromeos::test::CreateModeInfo(19, 1024, 600, true, 60.0f),
-    chromeos::test::CreateModeInfo(20, 1024, 600, false, 40.0f),
-    chromeos::test::CreateModeInfo(21, 1024, 600, false, 50.0f),
+  // Mixed.
+  output.mode_infos[19] = OutputConfigurator::ModeInfo(1024, 600, true);
+  output.mode_infos[20] = OutputConfigurator::ModeInfo(1024, 600, false);
+  output.mode_infos[21] = OutputConfigurator::ModeInfo(1024, 600, false);
 
-    // just one interlaced mode
-    chromeos::test::CreateModeInfo(22, 640, 480, true, 60.0f),
-  };
-  resources.nmode = arraysize(modes);
-  resources.modes = modes;
-
-  XRROutputInfo output_info = {0};
-  RRMode output_modes[] = {
-    11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22
-  };
-  output_info.nmode = arraysize(output_modes);
-  output_info.modes = output_modes;
+  // Just one interlaced mode.
+  output.mode_infos[22] = OutputConfigurator::ModeInfo(640, 480, true);
 
   std::vector<Resolution> resolutions =
-      GetResolutionList(&resources, &output_info);
-  EXPECT_EQ(6u, resolutions.size());
+      DisplayChangeObserver::GetResolutionList(output);
+  ASSERT_EQ(6u, resolutions.size());
   EXPECT_EQ("1920x1200", resolutions[0].size.ToString());
   EXPECT_FALSE(resolutions[0].interlaced);
 
   EXPECT_EQ("1920x1080", resolutions[1].size.ToString());
   EXPECT_FALSE(resolutions[1].interlaced);
 
   EXPECT_EQ("1280x720", resolutions[2].size.ToString());
   EXPECT_FALSE(resolutions[2].interlaced);
 
   EXPECT_EQ("1024x768", resolutions[3].size.ToString());
   EXPECT_TRUE(resolutions[3].interlaced);
 
   EXPECT_EQ("1024x600", resolutions[4].size.ToString());
   EXPECT_FALSE(resolutions[4].interlaced);
 
   EXPECT_EQ("640x480", resolutions[5].size.ToString());
   EXPECT_TRUE(resolutions[5].interlaced);
 
-  // Empty output shouldn't crash.
-  RRMode empty_output_modes[] = {};
-  output_info.nmode = 0;
-  output_info.modes = empty_output_modes;
-
-  resolutions = GetResolutionList(&resources, &output_info);
+  // Outputs without any modes shouldn't cause a crash.
+  output.mode_infos.clear();
+  resolutions = DisplayChangeObserver::GetResolutionList(output);
   EXPECT_EQ(0u, resolutions.size());
 }
 
 }  // namespace internal
 }  // namespace ash