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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/display/projecting_observer.h"
#include <memory>
#include <vector>
#include "chromeos/dbus/power/fake_power_manager_client.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/display/manager/test/fake_display_snapshot.h"
namespace ash {
namespace {
std::unique_ptr<display::DisplaySnapshot> CreateInternalSnapshot() {
return display::FakeDisplaySnapshot::Builder()
.SetId(123)
.SetNativeMode(gfx::Size(1024, 768))
.SetType(display::DISPLAY_CONNECTION_TYPE_INTERNAL)
.Build();
}
std::unique_ptr<display::DisplaySnapshot> CreateVGASnapshot() {
return display::FakeDisplaySnapshot::Builder()
.SetId(456)
.SetNativeMode(gfx::Size(1024, 768))
.SetType(display::DISPLAY_CONNECTION_TYPE_VGA)
.Build();
}
display::DisplayConfigurator::DisplayStateList GetPointers(
const std::vector<std::unique_ptr<display::DisplaySnapshot>>& displays) {
display::DisplayConfigurator::DisplayStateList result;
for (const auto& display : displays)
result.push_back(display.get());
return result;
}
} // namespace
class ProjectingObserverTest : public testing::Test {
public:
ProjectingObserverTest() = default;
void SetUp() override {
chromeos::PowerManagerClient::InitializeFake();
observer_ = std::make_unique<ProjectingObserver>(nullptr);
}
void TearDown() override {
observer_.reset();
chromeos::PowerManagerClient::Shutdown();
}
ProjectingObserverTest(const ProjectingObserverTest&) = delete;
ProjectingObserverTest& operator=(const ProjectingObserverTest&) = delete;
~ProjectingObserverTest() override = default;
protected:
chromeos::FakePowerManagerClient* power_client() {
return chromeos::FakePowerManagerClient::Get();
}
std::unique_ptr<ProjectingObserver> observer_;
};
TEST_F(ProjectingObserverTest, CheckNoDisplay) {
std::vector<std::unique_ptr<display::DisplaySnapshot>> displays;
observer_->OnDisplayModeChanged(GetPointers(displays));
EXPECT_EQ(1, power_client()->num_set_is_projecting_calls());
EXPECT_FALSE(power_client()->is_projecting());
}
TEST_F(ProjectingObserverTest, CheckWithoutInternalDisplay) {
std::vector<std::unique_ptr<display::DisplaySnapshot>> displays;
displays.push_back(CreateVGASnapshot());
observer_->OnDisplayModeChanged(GetPointers(displays));
EXPECT_EQ(1, power_client()->num_set_is_projecting_calls());
EXPECT_FALSE(power_client()->is_projecting());
}
TEST_F(ProjectingObserverTest, CheckWithInternalDisplay) {
std::vector<std::unique_ptr<display::DisplaySnapshot>> displays;
displays.push_back(CreateInternalSnapshot());
observer_->OnDisplayModeChanged(GetPointers(displays));
EXPECT_EQ(1, power_client()->num_set_is_projecting_calls());
EXPECT_FALSE(power_client()->is_projecting());
}
TEST_F(ProjectingObserverTest, CheckWithTwoVGADisplays) {
std::vector<std::unique_ptr<display::DisplaySnapshot>> displays;
displays.push_back(CreateVGASnapshot());
displays.push_back(CreateVGASnapshot());
observer_->OnDisplayModeChanged(GetPointers(displays));
EXPECT_EQ(1, power_client()->num_set_is_projecting_calls());
// We need at least 1 internal display to set projecting to on.
EXPECT_FALSE(power_client()->is_projecting());
}
TEST_F(ProjectingObserverTest, CheckWithInternalAndVGADisplays) {
std::vector<std::unique_ptr<display::DisplaySnapshot>> displays;
displays.push_back(CreateInternalSnapshot());
displays.push_back(CreateVGASnapshot());
observer_->OnDisplayModeChanged(GetPointers(displays));
EXPECT_EQ(1, power_client()->num_set_is_projecting_calls());
EXPECT_TRUE(power_client()->is_projecting());
}
TEST_F(ProjectingObserverTest, CheckWithVGADisplayAndOneCastingSession) {
std::vector<std::unique_ptr<display::DisplaySnapshot>> displays;
displays.push_back(CreateVGASnapshot());
observer_->OnDisplayModeChanged(GetPointers(displays));
observer_->OnCastingSessionStartedOrStopped(true);
EXPECT_EQ(2, power_client()->num_set_is_projecting_calls());
// Need at least one internal display to set projecting state to |true|.
EXPECT_FALSE(power_client()->is_projecting());
}
TEST_F(ProjectingObserverTest, CheckWithInternalDisplayAndOneCastingSession) {
std::vector<std::unique_ptr<display::DisplaySnapshot>> displays;
displays.push_back(CreateInternalSnapshot());
observer_->OnDisplayModeChanged(GetPointers(displays));
observer_->OnCastingSessionStartedOrStopped(true);
EXPECT_EQ(2, power_client()->num_set_is_projecting_calls());
EXPECT_TRUE(power_client()->is_projecting());
}
TEST_F(ProjectingObserverTest, CheckProjectingAfterClosingACastingSession) {
std::vector<std::unique_ptr<display::DisplaySnapshot>> displays;
displays.push_back(CreateInternalSnapshot());
observer_->OnDisplayModeChanged(GetPointers(displays));
observer_->OnCastingSessionStartedOrStopped(true);
observer_->OnCastingSessionStartedOrStopped(true);
EXPECT_EQ(3, power_client()->num_set_is_projecting_calls());
EXPECT_TRUE(power_client()->is_projecting());
observer_->OnCastingSessionStartedOrStopped(false);
EXPECT_EQ(4, power_client()->num_set_is_projecting_calls());
EXPECT_TRUE(power_client()->is_projecting());
}
TEST_F(ProjectingObserverTest,
CheckStopProjectingAfterClosingAllCastingSessions) {
std::vector<std::unique_ptr<display::DisplaySnapshot>> displays;
displays.push_back(CreateInternalSnapshot());
observer_->OnDisplayModeChanged(GetPointers(displays));
observer_->OnCastingSessionStartedOrStopped(true);
observer_->OnCastingSessionStartedOrStopped(false);
EXPECT_EQ(3, power_client()->num_set_is_projecting_calls());
EXPECT_FALSE(power_client()->is_projecting());
}
TEST_F(ProjectingObserverTest,
CheckStopProjectingAfterDisconnectingSecondOutput) {
std::vector<std::unique_ptr<display::DisplaySnapshot>> displays;
displays.push_back(CreateInternalSnapshot());
displays.push_back(CreateVGASnapshot());
observer_->OnDisplayModeChanged(GetPointers(displays));
// Remove VGA output.
displays.erase(displays.begin() + 1);
observer_->OnDisplayModeChanged(GetPointers(displays));
EXPECT_EQ(2, power_client()->num_set_is_projecting_calls());
EXPECT_FALSE(power_client()->is_projecting());
}
} // namespace ash
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