services/surfaceflinger/tests/unittests/HWComposerTest.cpp - android_frameworks_native - Gitiles

 /*
  * Copyright 2020 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 // TODO(b/129481165): remove the #pragma below and fix conversion issues
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wconversion"

 #undef LOG_TAG
 #define LOG_TAG "LibSurfaceFlingerUnittests"

 #include <vector>

 // StrictMock<T> derives from T and is not marked final, so the destructor of T is expected to be
 // virtual in case StrictMock<T> is used as a polymorphic base class. That is not the case here.
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wnon-virtual-dtor"
 #include <gmock/gmock.h>
 #pragma clang diagnostic pop

 #include <gui/LayerMetadata.h>
 #include <log/log.h>

 #include "DisplayHardware/DisplayMode.h"
 #include "DisplayHardware/HWComposer.h"
 #include "mock/DisplayHardware/MockComposer.h"

 // TODO(b/129481165): remove the #pragma below and fix conversion issues
 #pragma clang diagnostic pop // ignored "-Wconversion"

 namespace android {
 namespace {

 namespace V2_1 = hardware::graphics::composer::V2_1;
 namespace V2_4 = hardware::graphics::composer::V2_4;

 using Hwc2::Config;

 using ::testing::_;
 using ::testing::DoAll;
 using ::testing::ElementsAreArray;
 using ::testing::Return;
 using ::testing::SetArgPointee;
 using ::testing::StrictMock;

 struct MockHWC2ComposerCallback final : StrictMock<HWC2::ComposerCallback> {
     MOCK_METHOD3(onHotplugReceived, void(int32_t sequenceId, hal::HWDisplayId, hal::Connection));
     MOCK_METHOD2(onRefreshReceived, void(int32_t sequenceId, hal::HWDisplayId));
     MOCK_METHOD4(onVsyncReceived,
                  void(int32_t sequenceId, hal::HWDisplayId, int64_t timestamp,
                       std::optional<hal::VsyncPeriodNanos>));
     MOCK_METHOD3(onVsyncPeriodTimingChangedReceived,
                  void(int32_t sequenceId, hal::HWDisplayId, const hal::VsyncPeriodChangeTimeline&));
     MOCK_METHOD2(onSeamlessPossible, void(int32_t sequenceId, hal::HWDisplayId));
 };

 struct HWComposerSetConfigurationTest : testing::Test {
     Hwc2::mock::Composer* mHal = new StrictMock<Hwc2::mock::Composer>();
     MockHWC2ComposerCallback mCallback;
 };

 TEST_F(HWComposerSetConfigurationTest, loadsLayerMetadataSupport) {
     const std::string kMetadata1Name = "com.example.metadata.1";
     constexpr bool kMetadata1Mandatory = false;
     const std::string kMetadata2Name = "com.example.metadata.2";
     constexpr bool kMetadata2Mandatory = true;

     EXPECT_CALL(*mHal, getMaxVirtualDisplayCount()).WillOnce(Return(0));
     EXPECT_CALL(*mHal, getCapabilities()).WillOnce(Return(std::vector<hal::Capability>{}));
     EXPECT_CALL(*mHal, getLayerGenericMetadataKeys(_))
             .WillOnce(DoAll(SetArgPointee<0>(std::vector<hal::LayerGenericMetadataKey>{
                                     {kMetadata1Name, kMetadata1Mandatory},
                                     {kMetadata2Name, kMetadata2Mandatory},
                             }),
                             Return(hardware::graphics::composer::V2_4::Error::NONE)));
     EXPECT_CALL(*mHal, registerCallback(_));
     EXPECT_CALL(*mHal, isVsyncPeriodSwitchSupported()).WillOnce(Return(false));

     impl::HWComposer hwc{std::unique_ptr<Hwc2::Composer>(mHal)};
     hwc.setConfiguration(&mCallback, 123);

     const auto& supported = hwc.getSupportedLayerGenericMetadata();
     EXPECT_EQ(2u, supported.size());
     EXPECT_EQ(1u, supported.count(kMetadata1Name));
     EXPECT_EQ(kMetadata1Mandatory, supported.find(kMetadata1Name)->second);
     EXPECT_EQ(1u, supported.count(kMetadata2Name));
     EXPECT_EQ(kMetadata2Mandatory, supported.find(kMetadata2Name)->second);
 }

 TEST_F(HWComposerSetConfigurationTest, handlesUnsupportedCallToGetLayerGenericMetadataKeys) {
     EXPECT_CALL(*mHal, getMaxVirtualDisplayCount()).WillOnce(Return(0));
     EXPECT_CALL(*mHal, getCapabilities()).WillOnce(Return(std::vector<hal::Capability>{}));
     EXPECT_CALL(*mHal, getLayerGenericMetadataKeys(_))
             .WillOnce(Return(hardware::graphics::composer::V2_4::Error::UNSUPPORTED));
     EXPECT_CALL(*mHal, registerCallback(_));
     EXPECT_CALL(*mHal, isVsyncPeriodSwitchSupported()).WillOnce(Return(false));

     impl::HWComposer hwc{std::unique_ptr<Hwc2::Composer>(mHal)};
     hwc.setConfiguration(&mCallback, 123);

     const auto& supported = hwc.getSupportedLayerGenericMetadata();
     EXPECT_EQ(0u, supported.size());
 }

 struct HWComposerLayerTest : public testing::Test {
     static constexpr hal::HWDisplayId kDisplayId = static_cast<hal::HWDisplayId>(1001);
     static constexpr hal::HWLayerId kLayerId = static_cast<hal::HWLayerId>(1002);

     HWComposerLayerTest(const std::unordered_set<hal::Capability>& capabilities)
           : mCapabilies(capabilities) {}

     ~HWComposerLayerTest() override { EXPECT_CALL(*mHal, destroyLayer(kDisplayId, kLayerId)); }

     std::unique_ptr<Hwc2::mock::Composer> mHal{new StrictMock<Hwc2::mock::Composer>()};
     const std::unordered_set<hal::Capability> mCapabilies;
     HWC2::impl::Layer mLayer{*mHal, mCapabilies, kDisplayId, kLayerId};
 };

 struct HWComposerLayerGenericMetadataTest : public HWComposerLayerTest {
     static const std::string kLayerGenericMetadata1Name;
     static constexpr bool kLayerGenericMetadata1Mandatory = false;
     static const std::vector<uint8_t> kLayerGenericMetadata1Value;
     static const std::string kLayerGenericMetadata2Name;
     static constexpr bool kLayerGenericMetadata2Mandatory = true;
     static const std::vector<uint8_t> kLayerGenericMetadata2Value;

     HWComposerLayerGenericMetadataTest() : HWComposerLayerTest({}) {}
 };

 const std::string HWComposerLayerGenericMetadataTest::kLayerGenericMetadata1Name =
         "com.example.metadata.1";

 const std::vector<uint8_t> HWComposerLayerGenericMetadataTest::kLayerGenericMetadata1Value = {1u,
                                                                                               2u,
                                                                                               3u};

 const std::string HWComposerLayerGenericMetadataTest::kLayerGenericMetadata2Name =
         "com.example.metadata.2";

 const std::vector<uint8_t> HWComposerLayerGenericMetadataTest::kLayerGenericMetadata2Value = {45u,
                                                                                               67u};

 TEST_F(HWComposerLayerGenericMetadataTest, forwardsSupportedMetadata) {
     EXPECT_CALL(*mHal,
                 setLayerGenericMetadata(kDisplayId, kLayerId, kLayerGenericMetadata1Name,
                                         kLayerGenericMetadata1Mandatory,
                                         kLayerGenericMetadata1Value))
             .WillOnce(Return(hardware::graphics::composer::V2_4::Error::NONE));
     auto result = mLayer.setLayerGenericMetadata(kLayerGenericMetadata1Name,
                                                  kLayerGenericMetadata1Mandatory,
                                                  kLayerGenericMetadata1Value);
     EXPECT_EQ(hal::Error::NONE, result);

     EXPECT_CALL(*mHal,
                 setLayerGenericMetadata(kDisplayId, kLayerId, kLayerGenericMetadata2Name,
                                         kLayerGenericMetadata2Mandatory,
                                         kLayerGenericMetadata2Value))
             .WillOnce(Return(hardware::graphics::composer::V2_4::Error::UNSUPPORTED));
     result = mLayer.setLayerGenericMetadata(kLayerGenericMetadata2Name,
                                             kLayerGenericMetadata2Mandatory,
                                             kLayerGenericMetadata2Value);
     EXPECT_EQ(hal::Error::UNSUPPORTED, result);
 }

 class HWComposerConfigsTest : public testing::Test {
 public:
     Hwc2::mock::Composer* mHal = new StrictMock<Hwc2::mock::Composer>();
     MockHWC2ComposerCallback mCallback;

     void setActiveConfig(Config config) {
         EXPECT_CALL(*mHal, getActiveConfig(_, _))
                 .WillRepeatedly(DoAll(SetArgPointee<1>(config), Return(V2_1::Error::NONE)));
     }

     void setDisplayConfigs(std::vector<Config> configs) {
         EXPECT_CALL(*mHal, getDisplayConfigs(_, _))
                 .WillOnce(DoAll(SetArgPointee<1>(configs), Return(V2_1::Error::NONE)));
         EXPECT_CALL(*mHal, getDisplayAttribute(_, _, _, _))
                 .WillRepeatedly(DoAll(SetArgPointee<3>(1), Return(V2_1::Error::NONE)));
     }

     void testSetActiveModeWithConstraintsCommon(bool isVsyncPeriodSwitchSupported);
 };

 void HWComposerConfigsTest::testSetActiveModeWithConstraintsCommon(
         bool isVsyncPeriodSwitchSupported) {
     EXPECT_CALL(*mHal, getMaxVirtualDisplayCount()).WillOnce(Return(0));
     EXPECT_CALL(*mHal, getCapabilities()).WillOnce(Return(std::vector<hal::Capability>{}));
     EXPECT_CALL(*mHal, getLayerGenericMetadataKeys(_)).WillOnce(Return(V2_4::Error::UNSUPPORTED));
     EXPECT_CALL(*mHal, registerCallback(_));
     EXPECT_CALL(*mHal, setVsyncEnabled(_, _)).WillRepeatedly(Return(V2_1::Error::NONE));
     EXPECT_CALL(*mHal, getDisplayIdentificationData(_, _, _))
             .WillRepeatedly(Return(V2_1::Error::UNSUPPORTED));
     EXPECT_CALL(*mHal, setClientTargetSlotCount(_)).WillRepeatedly(Return(V2_1::Error::NONE));

     EXPECT_CALL(*mHal, isVsyncPeriodSwitchSupported())
             .WillRepeatedly(Return(isVsyncPeriodSwitchSupported));

     if (isVsyncPeriodSwitchSupported) {
         EXPECT_CALL(*mHal, setActiveConfigWithConstraints(_, _, _, _))
                 .WillRepeatedly(Return(V2_4::Error::NONE));
     } else {
         EXPECT_CALL(*mHal, setActiveConfig(_, _)).WillRepeatedly(Return(V2_1::Error::NONE));
     }

     impl::HWComposer hwc{std::unique_ptr<Hwc2::Composer>(mHal)};
     hwc.setConfiguration(&mCallback, 123);

     setDisplayConfigs({15});
     setActiveConfig(15);

     const auto physicalId = PhysicalDisplayId::fromPort(0);
     const hal::HWDisplayId hwcId = 0;
     hwc.allocatePhysicalDisplay(hwcId, physicalId);

     hal::VsyncPeriodChangeConstraints constraints;
     constraints.desiredTimeNanos = systemTime();
     constraints.seamlessRequired = false;

     hal::VsyncPeriodChangeTimeline timeline = {0, 0, 0};
     constexpr DisplayModeId kConfigIndex(0);
     const auto status =
             hwc.setActiveModeWithConstraints(physicalId, kConfigIndex, constraints, &timeline);
     EXPECT_EQ(NO_ERROR, status);

     const std::vector<Config> kConfigs{7, 8, 9, 10, 11};
     // Change the set of supported modes.
     setDisplayConfigs(kConfigs);
     setActiveConfig(11);
     hwc.onHotplug(hwcId, hal::Connection::CONNECTED);
     hwc.allocatePhysicalDisplay(hwcId, physicalId);

     for (size_t configIndex = 0; configIndex < kConfigs.size(); configIndex++) {
         const auto status = hwc.setActiveModeWithConstraints(physicalId, DisplayModeId(configIndex),
                                                              constraints, &timeline);
         EXPECT_EQ(NO_ERROR, status) << "Error when switching to config " << configIndex;
     }
 }

 TEST_F(HWComposerConfigsTest, setActiveModeWithConstraintsWithVsyncSwitchingSupported) {
     testSetActiveModeWithConstraintsCommon(/*supported=*/true);
 }

 TEST_F(HWComposerConfigsTest, setActiveModeWithConstraintsWithVsyncSwitchingNotSupported) {
     testSetActiveModeWithConstraintsCommon(/*supported=*/false);
 }

 } // namespace
 } // namespace android
	/*
	* Copyright 2020 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	// TODO(b/129481165): remove the #pragma below and fix conversion issues
	#pragma clang diagnostic push
	#pragma clang diagnostic ignored "-Wconversion"

	#undef LOG_TAG
	#define LOG_TAG "LibSurfaceFlingerUnittests"

	#include <vector>

	// StrictMock<T> derives from T and is not marked final, so the destructor of T is expected to be
	// virtual in case StrictMock<T> is used as a polymorphic base class. That is not the case here.
	#pragma clang diagnostic push
	#pragma clang diagnostic ignored "-Wnon-virtual-dtor"
	#include <gmock/gmock.h>
	#pragma clang diagnostic pop

	#include <gui/LayerMetadata.h>
	#include <log/log.h>

	#include "DisplayHardware/DisplayMode.h"
	#include "DisplayHardware/HWComposer.h"
	#include "mock/DisplayHardware/MockComposer.h"

	// TODO(b/129481165): remove the #pragma below and fix conversion issues
	#pragma clang diagnostic pop // ignored "-Wconversion"

	namespace android {
	namespace {

	namespace V2_1 = hardware::graphics::composer::V2_1;
	namespace V2_4 = hardware::graphics::composer::V2_4;

	using Hwc2::Config;

	using ::testing::_;
	using ::testing::DoAll;
	using ::testing::ElementsAreArray;
	using ::testing::Return;
	using ::testing::SetArgPointee;
	using ::testing::StrictMock;

	struct MockHWC2ComposerCallback final : StrictMock<HWC2::ComposerCallback> {
	MOCK_METHOD3(onHotplugReceived, void(int32_t sequenceId, hal::HWDisplayId, hal::Connection));
	MOCK_METHOD2(onRefreshReceived, void(int32_t sequenceId, hal::HWDisplayId));
	MOCK_METHOD4(onVsyncReceived,
	void(int32_t sequenceId, hal::HWDisplayId, int64_t timestamp,
	std::optional<hal::VsyncPeriodNanos>));
	MOCK_METHOD3(onVsyncPeriodTimingChangedReceived,
	void(int32_t sequenceId, hal::HWDisplayId, const hal::VsyncPeriodChangeTimeline&));
	MOCK_METHOD2(onSeamlessPossible, void(int32_t sequenceId, hal::HWDisplayId));
	};

	struct HWComposerSetConfigurationTest : testing::Test {
	Hwc2::mock::Composer* mHal = new StrictMock<Hwc2::mock::Composer>();
	MockHWC2ComposerCallback mCallback;
	};

	TEST_F(HWComposerSetConfigurationTest, loadsLayerMetadataSupport) {
	const std::string kMetadata1Name = "com.example.metadata.1";
	constexpr bool kMetadata1Mandatory = false;
	const std::string kMetadata2Name = "com.example.metadata.2";
	constexpr bool kMetadata2Mandatory = true;

	EXPECT_CALL(*mHal, getMaxVirtualDisplayCount()).WillOnce(Return(0));
	EXPECT_CALL(*mHal, getCapabilities()).WillOnce(Return(std::vector<hal::Capability>{}));
	EXPECT_CALL(*mHal, getLayerGenericMetadataKeys(_))
	.WillOnce(DoAll(SetArgPointee<0>(std::vector<hal::LayerGenericMetadataKey>{
	{kMetadata1Name, kMetadata1Mandatory},
	{kMetadata2Name, kMetadata2Mandatory},
	}),
	Return(hardware::graphics::composer::V2_4::Error::NONE)));
	EXPECT_CALL(*mHal, registerCallback(_));
	EXPECT_CALL(*mHal, isVsyncPeriodSwitchSupported()).WillOnce(Return(false));

	impl::HWComposer hwc{std::unique_ptr<Hwc2::Composer>(mHal)};
	hwc.setConfiguration(&mCallback, 123);

	const auto& supported = hwc.getSupportedLayerGenericMetadata();
	EXPECT_EQ(2u, supported.size());
	EXPECT_EQ(1u, supported.count(kMetadata1Name));
	EXPECT_EQ(kMetadata1Mandatory, supported.find(kMetadata1Name)->second);
	EXPECT_EQ(1u, supported.count(kMetadata2Name));
	EXPECT_EQ(kMetadata2Mandatory, supported.find(kMetadata2Name)->second);
	}

	TEST_F(HWComposerSetConfigurationTest, handlesUnsupportedCallToGetLayerGenericMetadataKeys) {
	EXPECT_CALL(*mHal, getMaxVirtualDisplayCount()).WillOnce(Return(0));
	EXPECT_CALL(*mHal, getCapabilities()).WillOnce(Return(std::vector<hal::Capability>{}));
	EXPECT_CALL(*mHal, getLayerGenericMetadataKeys(_))
	.WillOnce(Return(hardware::graphics::composer::V2_4::Error::UNSUPPORTED));
	EXPECT_CALL(*mHal, registerCallback(_));
	EXPECT_CALL(*mHal, isVsyncPeriodSwitchSupported()).WillOnce(Return(false));

	impl::HWComposer hwc{std::unique_ptr<Hwc2::Composer>(mHal)};
	hwc.setConfiguration(&mCallback, 123);

	const auto& supported = hwc.getSupportedLayerGenericMetadata();
	EXPECT_EQ(0u, supported.size());
	}

	struct HWComposerLayerTest : public testing::Test {
	static constexpr hal::HWDisplayId kDisplayId = static_cast<hal::HWDisplayId>(1001);
	static constexpr hal::HWLayerId kLayerId = static_cast<hal::HWLayerId>(1002);

	HWComposerLayerTest(const std::unordered_set<hal::Capability>& capabilities)
	: mCapabilies(capabilities) {}

	~HWComposerLayerTest() override { EXPECT_CALL(*mHal, destroyLayer(kDisplayId, kLayerId)); }

	std::unique_ptr<Hwc2::mock::Composer> mHal{new StrictMock<Hwc2::mock::Composer>()};
	const std::unordered_set<hal::Capability> mCapabilies;
	HWC2::impl::Layer mLayer{*mHal, mCapabilies, kDisplayId, kLayerId};
	};

	struct HWComposerLayerGenericMetadataTest : public HWComposerLayerTest {
	static const std::string kLayerGenericMetadata1Name;
	static constexpr bool kLayerGenericMetadata1Mandatory = false;
	static const std::vector<uint8_t> kLayerGenericMetadata1Value;
	static const std::string kLayerGenericMetadata2Name;
	static constexpr bool kLayerGenericMetadata2Mandatory = true;
	static const std::vector<uint8_t> kLayerGenericMetadata2Value;

	HWComposerLayerGenericMetadataTest() : HWComposerLayerTest({}) {}
	};

	const std::string HWComposerLayerGenericMetadataTest::kLayerGenericMetadata1Name =
	"com.example.metadata.1";

	const std::vector<uint8_t> HWComposerLayerGenericMetadataTest::kLayerGenericMetadata1Value = {1u,
	2u,
	3u};

	const std::string HWComposerLayerGenericMetadataTest::kLayerGenericMetadata2Name =
	"com.example.metadata.2";

	const std::vector<uint8_t> HWComposerLayerGenericMetadataTest::kLayerGenericMetadata2Value = {45u,
	67u};

	TEST_F(HWComposerLayerGenericMetadataTest, forwardsSupportedMetadata) {
	EXPECT_CALL(*mHal,
	setLayerGenericMetadata(kDisplayId, kLayerId, kLayerGenericMetadata1Name,
	kLayerGenericMetadata1Mandatory,
	kLayerGenericMetadata1Value))
	.WillOnce(Return(hardware::graphics::composer::V2_4::Error::NONE));
	auto result = mLayer.setLayerGenericMetadata(kLayerGenericMetadata1Name,
	kLayerGenericMetadata1Mandatory,
	kLayerGenericMetadata1Value);
	EXPECT_EQ(hal::Error::NONE, result);

	EXPECT_CALL(*mHal,
	setLayerGenericMetadata(kDisplayId, kLayerId, kLayerGenericMetadata2Name,
	kLayerGenericMetadata2Mandatory,
	kLayerGenericMetadata2Value))
	.WillOnce(Return(hardware::graphics::composer::V2_4::Error::UNSUPPORTED));
	result = mLayer.setLayerGenericMetadata(kLayerGenericMetadata2Name,
	kLayerGenericMetadata2Mandatory,
	kLayerGenericMetadata2Value);
	EXPECT_EQ(hal::Error::UNSUPPORTED, result);
	}

	class HWComposerConfigsTest : public testing::Test {
	public:
	Hwc2::mock::Composer* mHal = new StrictMock<Hwc2::mock::Composer>();
	MockHWC2ComposerCallback mCallback;

	void setActiveConfig(Config config) {
	EXPECT_CALL(*mHal, getActiveConfig(_, _))
	.WillRepeatedly(DoAll(SetArgPointee<1>(config), Return(V2_1::Error::NONE)));
	}

	void setDisplayConfigs(std::vector<Config> configs) {
	EXPECT_CALL(*mHal, getDisplayConfigs(_, _))
	.WillOnce(DoAll(SetArgPointee<1>(configs), Return(V2_1::Error::NONE)));
	EXPECT_CALL(*mHal, getDisplayAttribute(_, _, _, _))
	.WillRepeatedly(DoAll(SetArgPointee<3>(1), Return(V2_1::Error::NONE)));
	}

	void testSetActiveModeWithConstraintsCommon(bool isVsyncPeriodSwitchSupported);
	};

	void HWComposerConfigsTest::testSetActiveModeWithConstraintsCommon(
	bool isVsyncPeriodSwitchSupported) {
	EXPECT_CALL(*mHal, getMaxVirtualDisplayCount()).WillOnce(Return(0));
	EXPECT_CALL(*mHal, getCapabilities()).WillOnce(Return(std::vector<hal::Capability>{}));
	EXPECT_CALL(*mHal, getLayerGenericMetadataKeys(_)).WillOnce(Return(V2_4::Error::UNSUPPORTED));
	EXPECT_CALL(*mHal, registerCallback(_));
	EXPECT_CALL(*mHal, setVsyncEnabled(_, _)).WillRepeatedly(Return(V2_1::Error::NONE));
	EXPECT_CALL(*mHal, getDisplayIdentificationData(_, _, _))
	.WillRepeatedly(Return(V2_1::Error::UNSUPPORTED));
	EXPECT_CALL(*mHal, setClientTargetSlotCount(_)).WillRepeatedly(Return(V2_1::Error::NONE));

	EXPECT_CALL(*mHal, isVsyncPeriodSwitchSupported())
	.WillRepeatedly(Return(isVsyncPeriodSwitchSupported));

	if (isVsyncPeriodSwitchSupported) {
	EXPECT_CALL(*mHal, setActiveConfigWithConstraints(_, _, _, _))
	.WillRepeatedly(Return(V2_4::Error::NONE));
	} else {
	EXPECT_CALL(*mHal, setActiveConfig(_, _)).WillRepeatedly(Return(V2_1::Error::NONE));
	}

	impl::HWComposer hwc{std::unique_ptr<Hwc2::Composer>(mHal)};
	hwc.setConfiguration(&mCallback, 123);

	setDisplayConfigs({15});
	setActiveConfig(15);

	const auto physicalId = PhysicalDisplayId::fromPort(0);
	const hal::HWDisplayId hwcId = 0;
	hwc.allocatePhysicalDisplay(hwcId, physicalId);

	hal::VsyncPeriodChangeConstraints constraints;
	constraints.desiredTimeNanos = systemTime();
	constraints.seamlessRequired = false;

	hal::VsyncPeriodChangeTimeline timeline = {0, 0, 0};
	constexpr DisplayModeId kConfigIndex(0);
	const auto status =
	hwc.setActiveModeWithConstraints(physicalId, kConfigIndex, constraints, &timeline);
	EXPECT_EQ(NO_ERROR, status);

	const std::vector<Config> kConfigs{7, 8, 9, 10, 11};
	// Change the set of supported modes.
	setDisplayConfigs(kConfigs);
	setActiveConfig(11);
	hwc.onHotplug(hwcId, hal::Connection::CONNECTED);
	hwc.allocatePhysicalDisplay(hwcId, physicalId);

	for (size_t configIndex = 0; configIndex < kConfigs.size(); configIndex++) {
	const auto status = hwc.setActiveModeWithConstraints(physicalId, DisplayModeId(configIndex),
	constraints, &timeline);
	EXPECT_EQ(NO_ERROR, status) << "Error when switching to config " << configIndex;
	}
	}

	TEST_F(HWComposerConfigsTest, setActiveModeWithConstraintsWithVsyncSwitchingSupported) {
	testSetActiveModeWithConstraintsCommon(/supported=/true);
	}

	TEST_F(HWComposerConfigsTest, setActiveModeWithConstraintsWithVsyncSwitchingNotSupported) {
	testSetActiveModeWithConstraintsCommon(/supported=/false);
	}

	} // namespace
	} // namespace android