ash/display/projecting_observer_chromeos_unittest.cc

   1 // Copyright 2014 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/projecting_observer_chromeos.h"
   6
   7 #include "base/memory/scoped_vector.h"
   8 #include "chromeos/dbus/fake_power_manager_client.h"
   9 #include "testing/gtest/include/gtest/gtest.h"
  10 #include "ui/display/chromeos/test/test_display_snapshot.h"
  11
  12 namespace ash {
  13 namespace {
  14
  15 ui::TestDisplaySnapshot* CreateInternalSnapshot() {
  16   ui::TestDisplaySnapshot* output = new ui::TestDisplaySnapshot();
  17   output->set_type(ui::DISPLAY_CONNECTION_TYPE_INTERNAL);
  18   return output;
  19 }
  20
  21 ui::TestDisplaySnapshot* CreateVGASnapshot() {
  22   ui::TestDisplaySnapshot* output = new ui::TestDisplaySnapshot();
  23   output->set_type(ui::DISPLAY_CONNECTION_TYPE_VGA);
  24   return output;
  25 }
  26
  27 class ProjectingObserverTest : public testing::Test {
  28  public:
  29   ProjectingObserverTest() : observer_(&fake_power_client_) {}
  30
  31   ~ProjectingObserverTest() override {}
  32
  33  protected:
  34   chromeos::FakePowerManagerClient fake_power_client_;
  35   ProjectingObserver observer_;
  36
  37  private:
  38   DISALLOW_COPY_AND_ASSIGN(ProjectingObserverTest);
  39 };
  40
  41 }  // namespace
  42
  43 TEST_F(ProjectingObserverTest, CheckNoDisplay) {
  44   ScopedVector<ui::DisplaySnapshot> displays;
  45   observer_.OnDisplayModeChanged(displays.get());
  46
  47   EXPECT_EQ(1, fake_power_client_.num_set_is_projecting_calls());
  48   EXPECT_FALSE(fake_power_client_.is_projecting());
  49 }
  50
  51 TEST_F(ProjectingObserverTest, CheckWithoutInternalDisplay) {
  52   ScopedVector<ui::DisplaySnapshot> displays;
  53   displays.push_back(CreateVGASnapshot());
  54   observer_.OnDisplayModeChanged(displays.get());
  55
  56   EXPECT_EQ(1, fake_power_client_.num_set_is_projecting_calls());
  57   EXPECT_FALSE(fake_power_client_.is_projecting());
  58 }
  59
  60 TEST_F(ProjectingObserverTest, CheckWithInternalDisplay) {
  61   ScopedVector<ui::DisplaySnapshot> displays;
  62   displays.push_back(CreateInternalSnapshot());
  63   observer_.OnDisplayModeChanged(displays.get());
  64
  65   EXPECT_EQ(1, fake_power_client_.num_set_is_projecting_calls());
  66   EXPECT_FALSE(fake_power_client_.is_projecting());
  67 }
  68
  69 TEST_F(ProjectingObserverTest, CheckWithTwoVGADisplays) {
  70   ScopedVector<ui::DisplaySnapshot> displays;
  71   displays.push_back(CreateVGASnapshot());
  72   displays.push_back(CreateVGASnapshot());
  73   observer_.OnDisplayModeChanged(displays.get());
  74
  75   EXPECT_EQ(1, fake_power_client_.num_set_is_projecting_calls());
  76   // We need at least 1 internal display to set projecting to on.
  77   EXPECT_FALSE(fake_power_client_.is_projecting());
  78 }
  79
  80 TEST_F(ProjectingObserverTest, CheckWithInternalAndVGADisplays) {
  81   ScopedVector<ui::DisplaySnapshot> displays;
  82   displays.push_back(CreateInternalSnapshot());
  83   displays.push_back(CreateVGASnapshot());
  84   observer_.OnDisplayModeChanged(displays.get());
  85
  86   EXPECT_EQ(1, fake_power_client_.num_set_is_projecting_calls());
  87   EXPECT_TRUE(fake_power_client_.is_projecting());
  88 }
  89
  90 TEST_F(ProjectingObserverTest, CheckWithVGADisplayAndOneCastingSession) {
  91   ScopedVector<ui::DisplaySnapshot> displays;
  92   displays.push_back(CreateVGASnapshot());
  93   observer_.OnDisplayModeChanged(displays.get());
  94
  95   observer_.OnCastingSessionStartedOrStopped(true);
  96
  97   EXPECT_EQ(2, fake_power_client_.num_set_is_projecting_calls());
  98   // Need at least one internal display to set projecting state to |true|.
  99   EXPECT_FALSE(fake_power_client_.is_projecting());
 100 }
 101
 102 TEST_F(ProjectingObserverTest, CheckWithInternalDisplayAndOneCastingSession) {
 103   ScopedVector<ui::DisplaySnapshot> displays;
 104   displays.push_back(CreateInternalSnapshot());
 105   observer_.OnDisplayModeChanged(displays.get());
 106
 107   observer_.OnCastingSessionStartedOrStopped(true);
 108
 109   EXPECT_EQ(2, fake_power_client_.num_set_is_projecting_calls());
 110   EXPECT_TRUE(fake_power_client_.is_projecting());
 111 }
 112
 113 TEST_F(ProjectingObserverTest, CheckProjectingAfterClosingACastingSession) {
 114   ScopedVector<ui::DisplaySnapshot> displays;
 115   displays.push_back(CreateInternalSnapshot());
 116   observer_.OnDisplayModeChanged(displays.get());
 117
 118   observer_.OnCastingSessionStartedOrStopped(true);
 119   observer_.OnCastingSessionStartedOrStopped(true);
 120
 121   EXPECT_EQ(3, fake_power_client_.num_set_is_projecting_calls());
 122   EXPECT_TRUE(fake_power_client_.is_projecting());
 123
 124   observer_.OnCastingSessionStartedOrStopped(false);
 125
 126   EXPECT_EQ(4, fake_power_client_.num_set_is_projecting_calls());
 127   EXPECT_TRUE(fake_power_client_.is_projecting());
 128 }
 129
 130 TEST_F(ProjectingObserverTest,
 131        CheckStopProjectingAfterClosingAllCastingSessions) {
 132   ScopedVector<ui::DisplaySnapshot> displays;
 133   displays.push_back(CreateInternalSnapshot());
 134   observer_.OnDisplayModeChanged(displays.get());
 135
 136   observer_.OnCastingSessionStartedOrStopped(true);
 137   observer_.OnCastingSessionStartedOrStopped(false);
 138
 139   EXPECT_EQ(3, fake_power_client_.num_set_is_projecting_calls());
 140   EXPECT_FALSE(fake_power_client_.is_projecting());
 141 }
 142
 143 TEST_F(ProjectingObserverTest,
 144        CheckStopProjectingAfterDisconnectingSecondOutput) {
 145   ScopedVector<ui::DisplaySnapshot> displays;
 146   displays.push_back(CreateInternalSnapshot());
 147   displays.push_back(CreateVGASnapshot());
 148   observer_.OnDisplayModeChanged(displays.get());
 149
 150   // Remove VGA output.
 151   displays.erase(displays.begin() + 1);
 152   observer_.OnDisplayModeChanged(displays.get());
 153
 154   EXPECT_EQ(2, fake_power_client_.num_set_is_projecting_calls());
 155   EXPECT_FALSE(fake_power_client_.is_projecting());
 156 }
 157
 158 }  // namespace ash