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 ui::DisplayConfigurator::DisplayStateList CreateOutputs(
  28     const ScopedVector<ui::TestDisplaySnapshot>& displays) {
  29   ui::DisplayConfigurator::DisplayStateList outputs;
  30   for (size_t i = 0; i < displays.size(); ++i) {
  31     ui::DisplayConfigurator::DisplayState state;
  32     state.display = displays[i];
  33     outputs.push_back(state);
  34   }
  35
  36   return outputs;
  37 }
  38
  39 class ProjectingObserverTest : public testing::Test {
  40  public:
  41   ProjectingObserverTest() : observer_(&fake_power_client_) {}
  42
  43   ~ProjectingObserverTest() override {}
  44
  45  protected:
  46   chromeos::FakePowerManagerClient fake_power_client_;
  47   ProjectingObserver observer_;
  48
  49  private:
  50   DISALLOW_COPY_AND_ASSIGN(ProjectingObserverTest);
  51 };
  52
  53 }  // namespace
  54
  55 TEST_F(ProjectingObserverTest, CheckNoDisplay) {
  56   ScopedVector<ui::TestDisplaySnapshot> displays;
  57   ui::DisplayConfigurator::DisplayStateList outputs = CreateOutputs(displays);
  58   observer_.OnDisplayModeChanged(outputs);
  59
  60   EXPECT_EQ(1, fake_power_client_.num_set_is_projecting_calls());
  61   EXPECT_FALSE(fake_power_client_.is_projecting());
  62 }
  63
  64 TEST_F(ProjectingObserverTest, CheckWithoutInternalDisplay) {
  65   ScopedVector<ui::TestDisplaySnapshot> displays;
  66   displays.push_back(CreateVGASnapshot());
  67   ui::DisplayConfigurator::DisplayStateList outputs = CreateOutputs(displays);
  68   observer_.OnDisplayModeChanged(outputs);
  69
  70   EXPECT_EQ(1, fake_power_client_.num_set_is_projecting_calls());
  71   EXPECT_FALSE(fake_power_client_.is_projecting());
  72 }
  73
  74 TEST_F(ProjectingObserverTest, CheckWithInternalDisplay) {
  75   ScopedVector<ui::TestDisplaySnapshot> displays;
  76   displays.push_back(CreateInternalSnapshot());
  77   ui::DisplayConfigurator::DisplayStateList outputs = CreateOutputs(displays);
  78   observer_.OnDisplayModeChanged(outputs);
  79
  80   EXPECT_EQ(1, fake_power_client_.num_set_is_projecting_calls());
  81   EXPECT_FALSE(fake_power_client_.is_projecting());
  82 }
  83
  84 TEST_F(ProjectingObserverTest, CheckWithTwoVGADisplays) {
  85   ScopedVector<ui::TestDisplaySnapshot> displays;
  86   displays.push_back(CreateVGASnapshot());
  87   displays.push_back(CreateVGASnapshot());
  88   ui::DisplayConfigurator::DisplayStateList outputs = CreateOutputs(displays);
  89   observer_.OnDisplayModeChanged(outputs);
  90
  91   EXPECT_EQ(1, fake_power_client_.num_set_is_projecting_calls());
  92   // We need at least 1 internal display to set projecting to on.
  93   EXPECT_FALSE(fake_power_client_.is_projecting());
  94 }
  95
  96 TEST_F(ProjectingObserverTest, CheckWithInternalAndVGADisplays) {
  97   ScopedVector<ui::TestDisplaySnapshot> displays;
  98   displays.push_back(CreateInternalSnapshot());
  99   displays.push_back(CreateVGASnapshot());
 100   ui::DisplayConfigurator::DisplayStateList outputs = CreateOutputs(displays);
 101   observer_.OnDisplayModeChanged(outputs);
 102
 103   EXPECT_EQ(1, fake_power_client_.num_set_is_projecting_calls());
 104   EXPECT_TRUE(fake_power_client_.is_projecting());
 105 }
 106
 107 TEST_F(ProjectingObserverTest, CheckWithVGADisplayAndOneCastingSession) {
 108   ScopedVector<ui::TestDisplaySnapshot> displays;
 109   displays.push_back(CreateVGASnapshot());
 110   ui::DisplayConfigurator::DisplayStateList outputs = CreateOutputs(displays);
 111   observer_.OnDisplayModeChanged(outputs);
 112
 113   observer_.OnCastingSessionStartedOrStopped(true);
 114
 115   EXPECT_EQ(2, fake_power_client_.num_set_is_projecting_calls());
 116   // Need at least one internal display to set projecting state to |true|.
 117   EXPECT_FALSE(fake_power_client_.is_projecting());
 118 }
 119
 120 TEST_F(ProjectingObserverTest, CheckWithInternalDisplayAndOneCastingSession) {
 121   ScopedVector<ui::TestDisplaySnapshot> displays;
 122   displays.push_back(CreateInternalSnapshot());
 123   ui::DisplayConfigurator::DisplayStateList outputs = CreateOutputs(displays);
 124   observer_.OnDisplayModeChanged(outputs);
 125
 126   observer_.OnCastingSessionStartedOrStopped(true);
 127
 128   EXPECT_EQ(2, fake_power_client_.num_set_is_projecting_calls());
 129   EXPECT_TRUE(fake_power_client_.is_projecting());
 130 }
 131
 132 TEST_F(ProjectingObserverTest, CheckProjectingAfterClosingACastingSession) {
 133   ScopedVector<ui::TestDisplaySnapshot> displays;
 134   displays.push_back(CreateInternalSnapshot());
 135   ui::DisplayConfigurator::DisplayStateList outputs = CreateOutputs(displays);
 136   observer_.OnDisplayModeChanged(outputs);
 137
 138   observer_.OnCastingSessionStartedOrStopped(true);
 139   observer_.OnCastingSessionStartedOrStopped(true);
 140
 141   EXPECT_EQ(3, fake_power_client_.num_set_is_projecting_calls());
 142   EXPECT_TRUE(fake_power_client_.is_projecting());
 143
 144   observer_.OnCastingSessionStartedOrStopped(false);
 145
 146   EXPECT_EQ(4, fake_power_client_.num_set_is_projecting_calls());
 147   EXPECT_TRUE(fake_power_client_.is_projecting());
 148 }
 149
 150 TEST_F(ProjectingObserverTest,
 151        CheckStopProjectingAfterClosingAllCastingSessions) {
 152   ScopedVector<ui::TestDisplaySnapshot> displays;
 153   displays.push_back(CreateInternalSnapshot());
 154   ui::DisplayConfigurator::DisplayStateList outputs = CreateOutputs(displays);
 155   observer_.OnDisplayModeChanged(outputs);
 156
 157   observer_.OnCastingSessionStartedOrStopped(true);
 158   observer_.OnCastingSessionStartedOrStopped(false);
 159
 160   EXPECT_EQ(3, fake_power_client_.num_set_is_projecting_calls());
 161   EXPECT_FALSE(fake_power_client_.is_projecting());
 162 }
 163
 164 TEST_F(ProjectingObserverTest,
 165        CheckStopProjectingAfterDisconnectingSecondOutput) {
 166   ScopedVector<ui::TestDisplaySnapshot> displays;
 167   displays.push_back(CreateInternalSnapshot());
 168   displays.push_back(CreateVGASnapshot());
 169   ui::DisplayConfigurator::DisplayStateList outputs = CreateOutputs(displays);
 170   observer_.OnDisplayModeChanged(outputs);
 171
 172   // Remove VGA output.
 173   outputs.erase(outputs.begin() + 1);
 174   observer_.OnDisplayModeChanged(outputs);
 175
 176   EXPECT_EQ(2, fake_power_client_.num_set_is_projecting_calls());
 177   EXPECT_FALSE(fake_power_client_.is_projecting());
 178 }
 179
 180 }  // namespace ash