src/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/dbus_thread_manager.h"
   9 #include "chromeos/dbus/fake_power_manager_client.h"
  10 #include "testing/gtest/include/gtest/gtest.h"
  11 #include "ui/display/chromeos/test/test_display_snapshot.h"
  12
  13 namespace ash {
  14 namespace {
  15
  16 ui::TestDisplaySnapshot* CreateInternalSnapshot() {
  17   ui::TestDisplaySnapshot* output = new ui::TestDisplaySnapshot();
  18   output->set_type(ui::DISPLAY_CONNECTION_TYPE_INTERNAL);
  19   return output;
  20 }
  21
  22 ui::TestDisplaySnapshot* CreateVGASnapshot() {
  23   ui::TestDisplaySnapshot* output = new ui::TestDisplaySnapshot();
  24   output->set_type(ui::DISPLAY_CONNECTION_TYPE_VGA);
  25   return output;
  26 }
  27
  28 ui::DisplayConfigurator::DisplayStateList CreateOutputs(
  29     const ScopedVector<ui::TestDisplaySnapshot>& displays) {
  30   ui::DisplayConfigurator::DisplayStateList outputs;
  31   for (size_t i = 0; i < displays.size(); ++i) {
  32     ui::DisplayConfigurator::DisplayState state;
  33     state.display = displays[i];
  34     outputs.push_back(state);
  35   }
  36
  37   return outputs;
  38 }
  39
  40 class ProjectingObserverTest : public testing::Test {
  41  public:
  42   ProjectingObserverTest() : observer_(new ProjectingObserver()) {
  43     fake_power_client_ = new chromeos::FakePowerManagerClient();
  44
  45     chromeos::DBusThreadManager::GetSetterForTesting()->SetPowerManagerClient(
  46         scoped_ptr<chromeos::PowerManagerClient>(fake_power_client_));
  47   }
  48
  49   virtual ~ProjectingObserverTest() {
  50     chromeos::DBusThreadManager::Shutdown();
  51   }
  52
  53  protected:
  54   scoped_ptr<ProjectingObserver> observer_;
  55   chromeos::FakePowerManagerClient* fake_power_client_;  //  Not owned.
  56
  57   DISALLOW_COPY_AND_ASSIGN(ProjectingObserverTest);
  58 };
  59
  60 }  // namespace
  61
  62 TEST_F(ProjectingObserverTest, CheckNoDisplay) {
  63   ScopedVector<ui::TestDisplaySnapshot> displays;
  64   ui::DisplayConfigurator::DisplayStateList outputs = CreateOutputs(displays);
  65   observer_->OnDisplayModeChanged(outputs);
  66
  67   EXPECT_EQ(1, fake_power_client_->num_set_is_projecting_calls());
  68   EXPECT_FALSE(fake_power_client_->is_projecting());
  69 }
  70
  71 TEST_F(ProjectingObserverTest, CheckWithoutInternalDisplay) {
  72   ScopedVector<ui::TestDisplaySnapshot> displays;
  73   displays.push_back(CreateVGASnapshot());
  74   ui::DisplayConfigurator::DisplayStateList outputs = CreateOutputs(displays);
  75   observer_->OnDisplayModeChanged(outputs);
  76
  77   EXPECT_EQ(1, fake_power_client_->num_set_is_projecting_calls());
  78   EXPECT_FALSE(fake_power_client_->is_projecting());
  79 }
  80
  81 TEST_F(ProjectingObserverTest, CheckWithInternalDisplay) {
  82   ScopedVector<ui::TestDisplaySnapshot> displays;
  83   displays.push_back(CreateInternalSnapshot());
  84   ui::DisplayConfigurator::DisplayStateList outputs = CreateOutputs(displays);
  85   observer_->OnDisplayModeChanged(outputs);
  86
  87   EXPECT_EQ(1, fake_power_client_->num_set_is_projecting_calls());
  88   EXPECT_FALSE(fake_power_client_->is_projecting());
  89 }
  90
  91 TEST_F(ProjectingObserverTest, CheckWithTwoVGADisplays) {
  92   ScopedVector<ui::TestDisplaySnapshot> displays;
  93   displays.push_back(CreateVGASnapshot());
  94   displays.push_back(CreateVGASnapshot());
  95   ui::DisplayConfigurator::DisplayStateList outputs = CreateOutputs(displays);
  96   observer_->OnDisplayModeChanged(outputs);
  97
  98   EXPECT_EQ(1, fake_power_client_->num_set_is_projecting_calls());
  99   // We need at least 1 internal display to set projecting to on.
 100   EXPECT_FALSE(fake_power_client_->is_projecting());
 101 }
 102
 103 TEST_F(ProjectingObserverTest, CheckWithInternalAndVGADisplays) {
 104   ScopedVector<ui::TestDisplaySnapshot> displays;
 105   displays.push_back(CreateInternalSnapshot());
 106   displays.push_back(CreateVGASnapshot());
 107   ui::DisplayConfigurator::DisplayStateList outputs = CreateOutputs(displays);
 108   observer_->OnDisplayModeChanged(outputs);
 109
 110   EXPECT_EQ(1, fake_power_client_->num_set_is_projecting_calls());
 111   EXPECT_TRUE(fake_power_client_->is_projecting());
 112 }
 113
 114 TEST_F(ProjectingObserverTest, CheckWithVGADisplayAndOneCastingSession) {
 115   ScopedVector<ui::TestDisplaySnapshot> displays;
 116   displays.push_back(CreateVGASnapshot());
 117   ui::DisplayConfigurator::DisplayStateList outputs = CreateOutputs(displays);
 118   observer_->OnDisplayModeChanged(outputs);
 119
 120   observer_->OnCastingSessionStartedOrStopped(true);
 121
 122   EXPECT_EQ(2, fake_power_client_->num_set_is_projecting_calls());
 123   // Need at least one internal display to set projecting state to |true|.
 124   EXPECT_FALSE(fake_power_client_->is_projecting());
 125 }
 126
 127 TEST_F(ProjectingObserverTest, CheckWithInternalDisplayAndOneCastingSession) {
 128   ScopedVector<ui::TestDisplaySnapshot> displays;
 129   displays.push_back(CreateInternalSnapshot());
 130   ui::DisplayConfigurator::DisplayStateList outputs = CreateOutputs(displays);
 131   observer_->OnDisplayModeChanged(outputs);
 132
 133   observer_->OnCastingSessionStartedOrStopped(true);
 134
 135   EXPECT_EQ(2, fake_power_client_->num_set_is_projecting_calls());
 136   EXPECT_TRUE(fake_power_client_->is_projecting());
 137 }
 138
 139 TEST_F(ProjectingObserverTest, CheckProjectingAfterClosingACastingSession) {
 140   ScopedVector<ui::TestDisplaySnapshot> displays;
 141   displays.push_back(CreateInternalSnapshot());
 142   ui::DisplayConfigurator::DisplayStateList outputs = CreateOutputs(displays);
 143   observer_->OnDisplayModeChanged(outputs);
 144
 145   observer_->OnCastingSessionStartedOrStopped(true);
 146   observer_->OnCastingSessionStartedOrStopped(true);
 147
 148   EXPECT_EQ(3, fake_power_client_->num_set_is_projecting_calls());
 149   EXPECT_TRUE(fake_power_client_->is_projecting());
 150
 151   observer_->OnCastingSessionStartedOrStopped(false);
 152
 153   EXPECT_EQ(4, fake_power_client_->num_set_is_projecting_calls());
 154   EXPECT_TRUE(fake_power_client_->is_projecting());
 155 }
 156
 157 TEST_F(ProjectingObserverTest,
 158        CheckStopProjectingAfterClosingAllCastingSessions) {
 159   ScopedVector<ui::TestDisplaySnapshot> displays;
 160   displays.push_back(CreateInternalSnapshot());
 161   ui::DisplayConfigurator::DisplayStateList outputs = CreateOutputs(displays);
 162   observer_->OnDisplayModeChanged(outputs);
 163
 164   observer_->OnCastingSessionStartedOrStopped(true);
 165   observer_->OnCastingSessionStartedOrStopped(false);
 166
 167   EXPECT_EQ(3, fake_power_client_->num_set_is_projecting_calls());
 168   EXPECT_FALSE(fake_power_client_->is_projecting());
 169 }
 170
 171 TEST_F(ProjectingObserverTest,
 172        CheckStopProjectingAfterDisconnectingSecondOutput) {
 173   ScopedVector<ui::TestDisplaySnapshot> displays;
 174   displays.push_back(CreateInternalSnapshot());
 175   displays.push_back(CreateVGASnapshot());
 176   ui::DisplayConfigurator::DisplayStateList outputs = CreateOutputs(displays);
 177   observer_->OnDisplayModeChanged(outputs);
 178
 179   // Remove VGA output.
 180   outputs.erase(outputs.begin() + 1);
 181   observer_->OnDisplayModeChanged(outputs);
 182
 183   EXPECT_EQ(2, fake_power_client_->num_set_is_projecting_calls());
 184   EXPECT_FALSE(fake_power_client_->is_projecting());
 185 }
 186
 187 }  // namespace ash