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projecting_observer_chromeos_unittest.cc
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projecting_observer_chromeos_unittest.cc
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// Copyright 2014 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/projecting_observer_chromeos.h"
#include "base/memory/scoped_vector.h"
#include "chromeos/dbus/fake_power_manager_client.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/display/chromeos/test/test_display_snapshot.h"
namespace ash {
namespace {
ui::TestDisplaySnapshot* CreateInternalSnapshot() {
ui::TestDisplaySnapshot* output = new ui::TestDisplaySnapshot();
output->set_type(ui::DISPLAY_CONNECTION_TYPE_INTERNAL);
return output;
}
ui::TestDisplaySnapshot* CreateVGASnapshot() {
ui::TestDisplaySnapshot* output = new ui::TestDisplaySnapshot();
output->set_type(ui::DISPLAY_CONNECTION_TYPE_VGA);
return output;
}
class ProjectingObserverTest : public testing::Test {
public:
ProjectingObserverTest() : observer_(&fake_power_client_) {}
~ProjectingObserverTest() override {}
protected:
chromeos::FakePowerManagerClient fake_power_client_;
ProjectingObserver observer_;
private:
DISALLOW_COPY_AND_ASSIGN(ProjectingObserverTest);
};
} // namespace
TEST_F(ProjectingObserverTest, CheckNoDisplay) {
ScopedVector<ui::DisplaySnapshot> displays;
observer_.OnDisplayModeChanged(displays.get());
EXPECT_EQ(1, fake_power_client_.num_set_is_projecting_calls());
EXPECT_FALSE(fake_power_client_.is_projecting());
}
TEST_F(ProjectingObserverTest, CheckWithoutInternalDisplay) {
ScopedVector<ui::DisplaySnapshot> displays;
displays.push_back(CreateVGASnapshot());
observer_.OnDisplayModeChanged(displays.get());
EXPECT_EQ(1, fake_power_client_.num_set_is_projecting_calls());
EXPECT_FALSE(fake_power_client_.is_projecting());
}
TEST_F(ProjectingObserverTest, CheckWithInternalDisplay) {
ScopedVector<ui::DisplaySnapshot> displays;
displays.push_back(CreateInternalSnapshot());
observer_.OnDisplayModeChanged(displays.get());
EXPECT_EQ(1, fake_power_client_.num_set_is_projecting_calls());
EXPECT_FALSE(fake_power_client_.is_projecting());
}
TEST_F(ProjectingObserverTest, CheckWithTwoVGADisplays) {
ScopedVector<ui::DisplaySnapshot> displays;
displays.push_back(CreateVGASnapshot());
displays.push_back(CreateVGASnapshot());
observer_.OnDisplayModeChanged(displays.get());
EXPECT_EQ(1, fake_power_client_.num_set_is_projecting_calls());
// We need at least 1 internal display to set projecting to on.
EXPECT_FALSE(fake_power_client_.is_projecting());
}
TEST_F(ProjectingObserverTest, CheckWithInternalAndVGADisplays) {
ScopedVector<ui::DisplaySnapshot> displays;
displays.push_back(CreateInternalSnapshot());
displays.push_back(CreateVGASnapshot());
observer_.OnDisplayModeChanged(displays.get());
EXPECT_EQ(1, fake_power_client_.num_set_is_projecting_calls());
EXPECT_TRUE(fake_power_client_.is_projecting());
}
TEST_F(ProjectingObserverTest, CheckWithVGADisplayAndOneCastingSession) {
ScopedVector<ui::DisplaySnapshot> displays;
displays.push_back(CreateVGASnapshot());
observer_.OnDisplayModeChanged(displays.get());
observer_.OnCastingSessionStartedOrStopped(true);
EXPECT_EQ(2, fake_power_client_.num_set_is_projecting_calls());
// Need at least one internal display to set projecting state to |true|.
EXPECT_FALSE(fake_power_client_.is_projecting());
}
TEST_F(ProjectingObserverTest, CheckWithInternalDisplayAndOneCastingSession) {
ScopedVector<ui::DisplaySnapshot> displays;
displays.push_back(CreateInternalSnapshot());
observer_.OnDisplayModeChanged(displays.get());
observer_.OnCastingSessionStartedOrStopped(true);
EXPECT_EQ(2, fake_power_client_.num_set_is_projecting_calls());
EXPECT_TRUE(fake_power_client_.is_projecting());
}
TEST_F(ProjectingObserverTest, CheckProjectingAfterClosingACastingSession) {
ScopedVector<ui::DisplaySnapshot> displays;
displays.push_back(CreateInternalSnapshot());
observer_.OnDisplayModeChanged(displays.get());
observer_.OnCastingSessionStartedOrStopped(true);
observer_.OnCastingSessionStartedOrStopped(true);
EXPECT_EQ(3, fake_power_client_.num_set_is_projecting_calls());
EXPECT_TRUE(fake_power_client_.is_projecting());
observer_.OnCastingSessionStartedOrStopped(false);
EXPECT_EQ(4, fake_power_client_.num_set_is_projecting_calls());
EXPECT_TRUE(fake_power_client_.is_projecting());
}
TEST_F(ProjectingObserverTest,
CheckStopProjectingAfterClosingAllCastingSessions) {
ScopedVector<ui::DisplaySnapshot> displays;
displays.push_back(CreateInternalSnapshot());
observer_.OnDisplayModeChanged(displays.get());
observer_.OnCastingSessionStartedOrStopped(true);
observer_.OnCastingSessionStartedOrStopped(false);
EXPECT_EQ(3, fake_power_client_.num_set_is_projecting_calls());
EXPECT_FALSE(fake_power_client_.is_projecting());
}
TEST_F(ProjectingObserverTest,
CheckStopProjectingAfterDisconnectingSecondOutput) {
ScopedVector<ui::DisplaySnapshot> displays;
displays.push_back(CreateInternalSnapshot());
displays.push_back(CreateVGASnapshot());
observer_.OnDisplayModeChanged(displays.get());
// Remove VGA output.
displays.erase(displays.begin() + 1);
observer_.OnDisplayModeChanged(displays.get());
EXPECT_EQ(2, fake_power_client_.num_set_is_projecting_calls());
EXPECT_FALSE(fake_power_client_.is_projecting());
}
} // namespace ash