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

 /*
  * Copyright 2019 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.
  */

 #include <gmock/gmock.h>
 #include <gtest/gtest.h>
 #include <log/log.h>

 #include <mutex>

 #include "FakeDisplayInjector.h"
 #include "Scheduler/EventThread.h"
 #include "Scheduler/RefreshRateConfigs.h"
 #include "TestableScheduler.h"
 #include "TestableSurfaceFlinger.h"
 #include "mock/DisplayHardware/MockDisplayMode.h"
 #include "mock/MockEventThread.h"
 #include "mock/MockLayer.h"
 #include "mock/MockSchedulerCallback.h"

 namespace android::scheduler {

 using android::mock::createDisplayMode;

 using testing::_;
 using testing::Return;

 namespace {

 using MockEventThread = android::mock::EventThread;
 using MockLayer = android::mock::MockLayer;
 using FakeDisplayDeviceInjector = TestableSurfaceFlinger::FakeDisplayDeviceInjector;

 constexpr PhysicalDisplayId PHYSICAL_DISPLAY_ID = PhysicalDisplayId::fromPort(255u);

 class SchedulerTest : public testing::Test {
 protected:
     class MockEventThreadConnection : public android::EventThreadConnection {
     public:
         explicit MockEventThreadConnection(EventThread* eventThread)
               : EventThreadConnection(eventThread, /*callingUid*/ static_cast<uid_t>(0),
                                       ResyncCallback()) {}
         ~MockEventThreadConnection() = default;

         MOCK_METHOD1(stealReceiveChannel, binder::Status(gui::BitTube* outChannel));
         MOCK_METHOD1(setVsyncRate, binder::Status(int count));
         MOCK_METHOD0(requestNextVsync, binder::Status());
     };

     SchedulerTest();

     static inline const DisplayModePtr kMode60_1 = createDisplayMode(DisplayModeId(0), 60_Hz);
     static inline const DisplayModePtr kMode120_1 = createDisplayMode(DisplayModeId(1), 120_Hz);
     static inline const DisplayModePtr kMode60_2 = createDisplayMode(DisplayModeId(2), 60_Hz);
     static inline const DisplayModePtr kMode120_2 = createDisplayMode(DisplayModeId(3), 120_Hz);
     static inline const DisplayModePtr kMode60_3 = createDisplayMode(DisplayModeId(4), 60_Hz);

     std::shared_ptr<RefreshRateConfigs> mConfigs =
             std::make_shared<RefreshRateConfigs>(makeModes(kMode60_1), kMode60_1->getId());

     mock::SchedulerCallback mSchedulerCallback;
     TestableScheduler* mScheduler = new TestableScheduler{mConfigs, mSchedulerCallback};

     ConnectionHandle mConnectionHandle;
     MockEventThread* mEventThread;
     sp<MockEventThreadConnection> mEventThreadConnection;
     FakeDisplayInjector mFakeDisplayInjector;

     TestableSurfaceFlinger mFlinger;
 };

 SchedulerTest::SchedulerTest() {
     auto eventThread = std::make_unique<MockEventThread>();
     mEventThread = eventThread.get();
     EXPECT_CALL(*mEventThread, registerDisplayEventConnection(_)).WillOnce(Return(0));

     mEventThreadConnection = sp<MockEventThreadConnection>::make(mEventThread);

     // createConnection call to scheduler makes a createEventConnection call to EventThread. Make
     // sure that call gets executed and returns an EventThread::Connection object.
     EXPECT_CALL(*mEventThread, createEventConnection(_, _))
             .WillRepeatedly(Return(mEventThreadConnection));

     mConnectionHandle = mScheduler->createConnection(std::move(eventThread));
     EXPECT_TRUE(mConnectionHandle);

     mFlinger.resetScheduler(mScheduler);
 }

 } // namespace

 TEST_F(SchedulerTest, invalidConnectionHandle) {
     ConnectionHandle handle;

     const sp<IDisplayEventConnection> connection = mScheduler->createDisplayEventConnection(handle);

     EXPECT_FALSE(connection);
     EXPECT_FALSE(mScheduler->getEventConnection(handle));

     // The EXPECT_CALLS make sure we don't call the functions on the subsequent event threads.
     EXPECT_CALL(*mEventThread, onHotplugReceived(_, _)).Times(0);
     mScheduler->onHotplugReceived(handle, PHYSICAL_DISPLAY_ID, false);

     EXPECT_CALL(*mEventThread, onScreenAcquired()).Times(0);
     mScheduler->onScreenAcquired(handle);

     EXPECT_CALL(*mEventThread, onScreenReleased()).Times(0);
     mScheduler->onScreenReleased(handle);

     std::string output;
     EXPECT_CALL(*mEventThread, dump(_)).Times(0);
     mScheduler->dump(handle, output);
     EXPECT_TRUE(output.empty());

     EXPECT_CALL(*mEventThread, setDuration(10ns, 20ns)).Times(0);
     mScheduler->setDuration(handle, 10ns, 20ns);
 }

 TEST_F(SchedulerTest, validConnectionHandle) {
     const sp<IDisplayEventConnection> connection =
             mScheduler->createDisplayEventConnection(mConnectionHandle);

     ASSERT_EQ(mEventThreadConnection, connection);
     EXPECT_TRUE(mScheduler->getEventConnection(mConnectionHandle));

     EXPECT_CALL(*mEventThread, onHotplugReceived(PHYSICAL_DISPLAY_ID, false)).Times(1);
     mScheduler->onHotplugReceived(mConnectionHandle, PHYSICAL_DISPLAY_ID, false);

     EXPECT_CALL(*mEventThread, onScreenAcquired()).Times(1);
     mScheduler->onScreenAcquired(mConnectionHandle);

     EXPECT_CALL(*mEventThread, onScreenReleased()).Times(1);
     mScheduler->onScreenReleased(mConnectionHandle);

     std::string output("dump");
     EXPECT_CALL(*mEventThread, dump(output)).Times(1);
     mScheduler->dump(mConnectionHandle, output);
     EXPECT_FALSE(output.empty());

     EXPECT_CALL(*mEventThread, setDuration(10ns, 20ns)).Times(1);
     mScheduler->setDuration(mConnectionHandle, 10ns, 20ns);

     static constexpr size_t kEventConnections = 5;
     EXPECT_CALL(*mEventThread, getEventThreadConnectionCount()).WillOnce(Return(kEventConnections));
     EXPECT_EQ(kEventConnections, mScheduler->getEventThreadConnectionCount(mConnectionHandle));
 }

 TEST_F(SchedulerTest, chooseRefreshRateForContentIsNoopWhenModeSwitchingIsNotSupported) {
     // The layer is registered at creation time and deregistered at destruction time.
     sp<MockLayer> layer = sp<MockLayer>::make(mFlinger.flinger());

     // recordLayerHistory should be a noop
     ASSERT_EQ(0u, mScheduler->getNumActiveLayers());
     mScheduler->recordLayerHistory(layer.get(), 0, LayerHistory::LayerUpdateType::Buffer);
     ASSERT_EQ(0u, mScheduler->getNumActiveLayers());

     constexpr hal::PowerMode kPowerModeOn = hal::PowerMode::ON;
     mScheduler->setDisplayPowerMode(kPowerModeOn);

     constexpr uint32_t kDisplayArea = 999'999;
     mScheduler->onActiveDisplayAreaChanged(kDisplayArea);

     EXPECT_CALL(mSchedulerCallback, requestDisplayModes(_)).Times(0);
     mScheduler->chooseRefreshRateForContent();
 }

 TEST_F(SchedulerTest, updateDisplayModes) {
     ASSERT_EQ(0u, mScheduler->layerHistorySize());
     sp<MockLayer> layer = sp<MockLayer>::make(mFlinger.flinger());
     ASSERT_EQ(1u, mScheduler->layerHistorySize());

     mScheduler->setRefreshRateConfigs(
             std::make_shared<RefreshRateConfigs>(makeModes(kMode60_1, kMode120_1),
                                                  kMode60_1->getId()));

     ASSERT_EQ(0u, mScheduler->getNumActiveLayers());
     mScheduler->recordLayerHistory(layer.get(), 0, LayerHistory::LayerUpdateType::Buffer);
     ASSERT_EQ(1u, mScheduler->getNumActiveLayers());
 }

 TEST_F(SchedulerTest, dispatchCachedReportedMode) {
     mScheduler->clearCachedReportedMode();

     EXPECT_CALL(*mEventThread, onModeChanged(_)).Times(0);
     EXPECT_NO_FATAL_FAILURE(mScheduler->dispatchCachedReportedMode());
 }

 TEST_F(SchedulerTest, onNonPrimaryDisplayModeChanged_invalidParameters) {
     const auto mode = DisplayMode::Builder(hal::HWConfigId(0))
                               .setId(DisplayModeId(111))
                               .setPhysicalDisplayId(PHYSICAL_DISPLAY_ID)
                               .setVsyncPeriod(111111)
                               .build();

     // If the handle is incorrect, the function should return before
     // onModeChange is called.
     ConnectionHandle invalidHandle = {.id = 123};
     EXPECT_NO_FATAL_FAILURE(mScheduler->onNonPrimaryDisplayModeChanged(invalidHandle, mode));
     EXPECT_CALL(*mEventThread, onModeChanged(_)).Times(0);
 }

 TEST_F(SchedulerTest, calculateMaxAcquiredBufferCount) {
     EXPECT_EQ(1, mFlinger.calculateMaxAcquiredBufferCount(60_Hz, 30ms));
     EXPECT_EQ(2, mFlinger.calculateMaxAcquiredBufferCount(90_Hz, 30ms));
     EXPECT_EQ(3, mFlinger.calculateMaxAcquiredBufferCount(120_Hz, 30ms));

     EXPECT_EQ(2, mFlinger.calculateMaxAcquiredBufferCount(60_Hz, 40ms));

     EXPECT_EQ(1, mFlinger.calculateMaxAcquiredBufferCount(60_Hz, 10ms));
 }

 MATCHER(Is120Hz, "") {
     return isApproxEqual(arg.front().displayModePtr->getFps(), 120_Hz);
 }

 TEST_F(SchedulerTest, chooseRefreshRateForContentSelectsMaxRefreshRate) {
     auto display = mFakeDisplayInjector.injectDefaultInternalDisplay(
             [&](FakeDisplayDeviceInjector& injector) {
                 injector.setDisplayModes(makeModes(kMode60_1, kMode120_1), kMode60_1->getId());
             },
             mFlinger);

     mScheduler->registerDisplay(display);
     mScheduler->setRefreshRateConfigs(display->holdRefreshRateConfigs());

     const sp<MockLayer> layer = sp<MockLayer>::make(mFlinger.flinger());
     EXPECT_CALL(*layer, isVisible()).WillOnce(Return(true));

     mScheduler->recordLayerHistory(layer.get(), 0, LayerHistory::LayerUpdateType::Buffer);

     constexpr hal::PowerMode kPowerModeOn = hal::PowerMode::ON;
     mScheduler->setDisplayPowerMode(kPowerModeOn);

     constexpr uint32_t kDisplayArea = 999'999;
     mScheduler->onActiveDisplayAreaChanged(kDisplayArea);

     EXPECT_CALL(mSchedulerCallback, requestDisplayModes(Is120Hz())).Times(1);
     mScheduler->chooseRefreshRateForContent();

     // No-op if layer requirements have not changed.
     EXPECT_CALL(mSchedulerCallback, requestDisplayModes(_)).Times(0);
     mScheduler->chooseRefreshRateForContent();
 }

 TEST_F(SchedulerTest, getBestDisplayMode_singleDisplay) {
     auto display = mFakeDisplayInjector.injectDefaultInternalDisplay(
             [&](FakeDisplayDeviceInjector& injector) {
                 injector.setDisplayModes(makeModes(kMode60_1, kMode120_1), kMode60_1->getId());
             },
             mFlinger);
     mScheduler->registerDisplay(display);

     std::vector<RefreshRateConfigs::LayerRequirement> layers =
             std::vector<RefreshRateConfigs::LayerRequirement>({{.weight = 1.f}, {.weight = 1.f}});
     mScheduler->setContentRequirements(layers);
     GlobalSignals globalSignals = {.idle = true};
     mScheduler->setTouchStateAndIdleTimerPolicy(globalSignals);

     std::vector<DisplayModeConfig> displayModeConfigs = mScheduler->getBestDisplayModeConfigs();
     ASSERT_EQ(1ul, displayModeConfigs.size());
     EXPECT_EQ(displayModeConfigs.front().displayModePtr, kMode60_1);
     EXPECT_EQ(displayModeConfigs.front().signals, globalSignals);

     globalSignals = {.idle = false};
     mScheduler->setTouchStateAndIdleTimerPolicy(globalSignals);
     displayModeConfigs = mScheduler->getBestDisplayModeConfigs();
     ASSERT_EQ(1ul, displayModeConfigs.size());
     EXPECT_EQ(displayModeConfigs.front().displayModePtr, kMode120_1);
     EXPECT_EQ(displayModeConfigs.front().signals, globalSignals);

     globalSignals = {.touch = true};
     mScheduler->replaceTouchTimer(10);
     mScheduler->setTouchStateAndIdleTimerPolicy(globalSignals);
     displayModeConfigs = mScheduler->getBestDisplayModeConfigs();
     ASSERT_EQ(1ul, displayModeConfigs.size());
     EXPECT_EQ(displayModeConfigs.front().displayModePtr, kMode120_1);
     EXPECT_EQ(displayModeConfigs.front().signals, globalSignals);

     mScheduler->unregisterDisplay(display->getPhysicalId());
     EXPECT_TRUE(mScheduler->mutableDisplays().empty());
 }

 TEST_F(SchedulerTest, getBestDisplayModes_multipleDisplays) {
     auto display1 = mFakeDisplayInjector.injectDefaultInternalDisplay(
             [&](FakeDisplayDeviceInjector& injector) {
                 injector.setDisplayModes(makeModes(kMode60_1, kMode120_1), kMode60_1->getId());
             },
             mFlinger);
     auto display2 = mFakeDisplayInjector.injectDefaultInternalDisplay(
             [&](FakeDisplayDeviceInjector& injector) {
                 injector.setDisplayModes(makeModes(kMode60_2, kMode120_2), kMode60_2->getId());
             },
             mFlinger, /* port */ 253u);
     mScheduler->registerDisplay(display1);
     mScheduler->registerDisplay(display2);

     std::vector<sp<DisplayDevice>> expectedDisplays = {display1, display2};
     std::vector<RefreshRateConfigs::LayerRequirement> layers = {{.weight = 1.f}, {.weight = 1.f}};
     GlobalSignals globalSignals = {.idle = true};
     std::vector<DisplayModeConfig> expectedConfigs = {DisplayModeConfig{globalSignals, kMode60_1},
                                                       DisplayModeConfig{globalSignals, kMode60_2}};

     mScheduler->setContentRequirements(layers);
     mScheduler->setTouchStateAndIdleTimerPolicy(globalSignals);
     std::vector<DisplayModeConfig> displayModeConfigs = mScheduler->getBestDisplayModeConfigs();
     ASSERT_EQ(displayModeConfigs.size(), expectedConfigs.size());
     for (size_t i = 0; i < expectedConfigs.size(); ++i) {
         EXPECT_EQ(expectedConfigs.at(i).displayModePtr, displayModeConfigs.at(i).displayModePtr)
                 << "Expected fps " << expectedConfigs.at(i).displayModePtr->getFps().getIntValue()
                 << " Actual fps "
                 << displayModeConfigs.at(i).displayModePtr->getFps().getIntValue();
         EXPECT_EQ(globalSignals, displayModeConfigs.at(i).signals);
     }

     expectedConfigs = std::vector<DisplayModeConfig>{DisplayModeConfig{globalSignals, kMode120_1},
                                                      DisplayModeConfig{globalSignals, kMode120_2}};

     globalSignals = {.idle = false};
     mScheduler->setTouchStateAndIdleTimerPolicy(globalSignals);
     displayModeConfigs = mScheduler->getBestDisplayModeConfigs();
     ASSERT_EQ(expectedConfigs.size(), displayModeConfigs.size());
     for (size_t i = 0; i < expectedConfigs.size(); ++i) {
         EXPECT_EQ(expectedConfigs.at(i).displayModePtr, displayModeConfigs.at(i).displayModePtr)
                 << "Expected fps " << expectedConfigs.at(i).displayModePtr->getFps().getIntValue()
                 << " Actual fps "
                 << displayModeConfigs.at(i).displayModePtr->getFps().getIntValue();
         EXPECT_EQ(globalSignals, displayModeConfigs.at(i).signals);
     }

     globalSignals = {.touch = true};
     mScheduler->replaceTouchTimer(10);
     mScheduler->setTouchStateAndIdleTimerPolicy(globalSignals);
     displayModeConfigs = mScheduler->getBestDisplayModeConfigs();
     ASSERT_EQ(expectedConfigs.size(), displayModeConfigs.size());
     for (size_t i = 0; i < expectedConfigs.size(); ++i) {
         EXPECT_EQ(expectedConfigs.at(i).displayModePtr, displayModeConfigs.at(i).displayModePtr)
                 << "Expected fps " << expectedConfigs.at(i).displayModePtr->getFps().getIntValue()
                 << " Actual fps "
                 << displayModeConfigs.at(i).displayModePtr->getFps().getIntValue();
         EXPECT_EQ(globalSignals, displayModeConfigs.at(i).signals);
     }

     // Filters out the 120Hz as it's not present on the display3, even with touch active
     // we select 60Hz here.
     auto display3 = mFakeDisplayInjector.injectDefaultInternalDisplay(
             [&](FakeDisplayDeviceInjector& injector) {
                 injector.setDisplayModes(makeModes(kMode60_3), kMode60_3->getId());
             },
             mFlinger, /* port */ 252u);
     mScheduler->registerDisplay(display3);

     expectedDisplays = {display1, display2, display3};
     globalSignals = {.touch = true};
     mScheduler->replaceTouchTimer(10);
     expectedConfigs = std::vector<DisplayModeConfig>{DisplayModeConfig{globalSignals, kMode60_1},
                                                      DisplayModeConfig{globalSignals, kMode60_2},
                                                      DisplayModeConfig{globalSignals, kMode60_3}};
     mScheduler->setTouchStateAndIdleTimerPolicy(globalSignals);
     displayModeConfigs = mScheduler->getBestDisplayModeConfigs();
     ASSERT_EQ(expectedConfigs.size(), displayModeConfigs.size());
     for (size_t i = 0; i < expectedConfigs.size(); ++i) {
         EXPECT_EQ(expectedConfigs.at(i).displayModePtr, displayModeConfigs.at(i).displayModePtr)
                 << "Expected fps " << expectedConfigs.at(i).displayModePtr->getFps().getIntValue()
                 << " Actual fps "
                 << displayModeConfigs.at(i).displayModePtr->getFps().getIntValue();
         EXPECT_EQ(globalSignals, displayModeConfigs.at(i).signals);
     }
 }

 } // namespace android::scheduler
	/*
	* Copyright 2019 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.
	*/

	#include <gmock/gmock.h>
	#include <gtest/gtest.h>
	#include <log/log.h>

	#include <mutex>

	#include "FakeDisplayInjector.h"
	#include "Scheduler/EventThread.h"
	#include "Scheduler/RefreshRateConfigs.h"
	#include "TestableScheduler.h"
	#include "TestableSurfaceFlinger.h"
	#include "mock/DisplayHardware/MockDisplayMode.h"
	#include "mock/MockEventThread.h"
	#include "mock/MockLayer.h"
	#include "mock/MockSchedulerCallback.h"

	namespace android::scheduler {

	using android::mock::createDisplayMode;

	using testing::_;
	using testing::Return;

	namespace {

	using MockEventThread = android::mock::EventThread;
	using MockLayer = android::mock::MockLayer;
	using FakeDisplayDeviceInjector = TestableSurfaceFlinger::FakeDisplayDeviceInjector;

	constexpr PhysicalDisplayId PHYSICAL_DISPLAY_ID = PhysicalDisplayId::fromPort(255u);

	class SchedulerTest : public testing::Test {
	protected:
	class MockEventThreadConnection : public android::EventThreadConnection {
	public:
	explicit MockEventThreadConnection(EventThread* eventThread)
	: EventThreadConnection(eventThread, /callingUid/ static_cast<uid_t>(0),
	ResyncCallback()) {}
	~MockEventThreadConnection() = default;

	MOCK_METHOD1(stealReceiveChannel, binder::Status(gui::BitTube* outChannel));
	MOCK_METHOD1(setVsyncRate, binder::Status(int count));
	MOCK_METHOD0(requestNextVsync, binder::Status());
	};

	SchedulerTest();

	static inline const DisplayModePtr kMode60_1 = createDisplayMode(DisplayModeId(0), 60_Hz);
	static inline const DisplayModePtr kMode120_1 = createDisplayMode(DisplayModeId(1), 120_Hz);
	static inline const DisplayModePtr kMode60_2 = createDisplayMode(DisplayModeId(2), 60_Hz);
	static inline const DisplayModePtr kMode120_2 = createDisplayMode(DisplayModeId(3), 120_Hz);
	static inline const DisplayModePtr kMode60_3 = createDisplayMode(DisplayModeId(4), 60_Hz);

	std::shared_ptr<RefreshRateConfigs> mConfigs =
	std::make_shared<RefreshRateConfigs>(makeModes(kMode60_1), kMode60_1->getId());

	mock::SchedulerCallback mSchedulerCallback;
	TestableScheduler* mScheduler = new TestableScheduler{mConfigs, mSchedulerCallback};

	ConnectionHandle mConnectionHandle;
	MockEventThread* mEventThread;
	sp<MockEventThreadConnection> mEventThreadConnection;
	FakeDisplayInjector mFakeDisplayInjector;

	TestableSurfaceFlinger mFlinger;
	};

	SchedulerTest::SchedulerTest() {
	auto eventThread = std::make_unique<MockEventThread>();
	mEventThread = eventThread.get();
	EXPECT_CALL(*mEventThread, registerDisplayEventConnection(_)).WillOnce(Return(0));

	mEventThreadConnection = sp<MockEventThreadConnection>::make(mEventThread);

	// createConnection call to scheduler makes a createEventConnection call to EventThread. Make
	// sure that call gets executed and returns an EventThread::Connection object.
	EXPECT_CALL(*mEventThread, createEventConnection(_, _))
	.WillRepeatedly(Return(mEventThreadConnection));

	mConnectionHandle = mScheduler->createConnection(std::move(eventThread));
	EXPECT_TRUE(mConnectionHandle);

	mFlinger.resetScheduler(mScheduler);
	}

	} // namespace

	TEST_F(SchedulerTest, invalidConnectionHandle) {
	ConnectionHandle handle;

	const sp<IDisplayEventConnection> connection = mScheduler->createDisplayEventConnection(handle);

	EXPECT_FALSE(connection);
	EXPECT_FALSE(mScheduler->getEventConnection(handle));

	// The EXPECT_CALLS make sure we don't call the functions on the subsequent event threads.
	EXPECT_CALL(*mEventThread, onHotplugReceived(_, _)).Times(0);
	mScheduler->onHotplugReceived(handle, PHYSICAL_DISPLAY_ID, false);

	EXPECT_CALL(*mEventThread, onScreenAcquired()).Times(0);
	mScheduler->onScreenAcquired(handle);

	EXPECT_CALL(*mEventThread, onScreenReleased()).Times(0);
	mScheduler->onScreenReleased(handle);

	std::string output;
	EXPECT_CALL(*mEventThread, dump(_)).Times(0);
	mScheduler->dump(handle, output);
	EXPECT_TRUE(output.empty());

	EXPECT_CALL(*mEventThread, setDuration(10ns, 20ns)).Times(0);
	mScheduler->setDuration(handle, 10ns, 20ns);
	}

	TEST_F(SchedulerTest, validConnectionHandle) {
	const sp<IDisplayEventConnection> connection =
	mScheduler->createDisplayEventConnection(mConnectionHandle);

	ASSERT_EQ(mEventThreadConnection, connection);
	EXPECT_TRUE(mScheduler->getEventConnection(mConnectionHandle));

	EXPECT_CALL(*mEventThread, onHotplugReceived(PHYSICAL_DISPLAY_ID, false)).Times(1);
	mScheduler->onHotplugReceived(mConnectionHandle, PHYSICAL_DISPLAY_ID, false);

	EXPECT_CALL(*mEventThread, onScreenAcquired()).Times(1);
	mScheduler->onScreenAcquired(mConnectionHandle);

	EXPECT_CALL(*mEventThread, onScreenReleased()).Times(1);
	mScheduler->onScreenReleased(mConnectionHandle);

	std::string output("dump");
	EXPECT_CALL(*mEventThread, dump(output)).Times(1);
	mScheduler->dump(mConnectionHandle, output);
	EXPECT_FALSE(output.empty());

	EXPECT_CALL(*mEventThread, setDuration(10ns, 20ns)).Times(1);
	mScheduler->setDuration(mConnectionHandle, 10ns, 20ns);

	static constexpr size_t kEventConnections = 5;
	EXPECT_CALL(*mEventThread, getEventThreadConnectionCount()).WillOnce(Return(kEventConnections));
	EXPECT_EQ(kEventConnections, mScheduler->getEventThreadConnectionCount(mConnectionHandle));
	}

	TEST_F(SchedulerTest, chooseRefreshRateForContentIsNoopWhenModeSwitchingIsNotSupported) {
	// The layer is registered at creation time and deregistered at destruction time.
	sp<MockLayer> layer = sp<MockLayer>::make(mFlinger.flinger());

	// recordLayerHistory should be a noop
	ASSERT_EQ(0u, mScheduler->getNumActiveLayers());
	mScheduler->recordLayerHistory(layer.get(), 0, LayerHistory::LayerUpdateType::Buffer);
	ASSERT_EQ(0u, mScheduler->getNumActiveLayers());

	constexpr hal::PowerMode kPowerModeOn = hal::PowerMode::ON;
	mScheduler->setDisplayPowerMode(kPowerModeOn);

	constexpr uint32_t kDisplayArea = 999'999;
	mScheduler->onActiveDisplayAreaChanged(kDisplayArea);

	EXPECT_CALL(mSchedulerCallback, requestDisplayModes(_)).Times(0);
	mScheduler->chooseRefreshRateForContent();
	}

	TEST_F(SchedulerTest, updateDisplayModes) {
	ASSERT_EQ(0u, mScheduler->layerHistorySize());
	sp<MockLayer> layer = sp<MockLayer>::make(mFlinger.flinger());
	ASSERT_EQ(1u, mScheduler->layerHistorySize());

	mScheduler->setRefreshRateConfigs(
	std::make_shared<RefreshRateConfigs>(makeModes(kMode60_1, kMode120_1),
	kMode60_1->getId()));

	ASSERT_EQ(0u, mScheduler->getNumActiveLayers());
	mScheduler->recordLayerHistory(layer.get(), 0, LayerHistory::LayerUpdateType::Buffer);
	ASSERT_EQ(1u, mScheduler->getNumActiveLayers());
	}

	TEST_F(SchedulerTest, dispatchCachedReportedMode) {
	mScheduler->clearCachedReportedMode();

	EXPECT_CALL(*mEventThread, onModeChanged(_)).Times(0);
	EXPECT_NO_FATAL_FAILURE(mScheduler->dispatchCachedReportedMode());
	}

	TEST_F(SchedulerTest, onNonPrimaryDisplayModeChanged_invalidParameters) {
	const auto mode = DisplayMode::Builder(hal::HWConfigId(0))
	.setId(DisplayModeId(111))
	.setPhysicalDisplayId(PHYSICAL_DISPLAY_ID)
	.setVsyncPeriod(111111)
	.build();

	// If the handle is incorrect, the function should return before
	// onModeChange is called.
	ConnectionHandle invalidHandle = {.id = 123};
	EXPECT_NO_FATAL_FAILURE(mScheduler->onNonPrimaryDisplayModeChanged(invalidHandle, mode));
	EXPECT_CALL(*mEventThread, onModeChanged(_)).Times(0);
	}

	TEST_F(SchedulerTest, calculateMaxAcquiredBufferCount) {
	EXPECT_EQ(1, mFlinger.calculateMaxAcquiredBufferCount(60_Hz, 30ms));
	EXPECT_EQ(2, mFlinger.calculateMaxAcquiredBufferCount(90_Hz, 30ms));
	EXPECT_EQ(3, mFlinger.calculateMaxAcquiredBufferCount(120_Hz, 30ms));

	EXPECT_EQ(2, mFlinger.calculateMaxAcquiredBufferCount(60_Hz, 40ms));

	EXPECT_EQ(1, mFlinger.calculateMaxAcquiredBufferCount(60_Hz, 10ms));
	}

	MATCHER(Is120Hz, "") {
	return isApproxEqual(arg.front().displayModePtr->getFps(), 120_Hz);
	}

	TEST_F(SchedulerTest, chooseRefreshRateForContentSelectsMaxRefreshRate) {
	auto display = mFakeDisplayInjector.injectDefaultInternalDisplay(
	[&](FakeDisplayDeviceInjector& injector) {
	injector.setDisplayModes(makeModes(kMode60_1, kMode120_1), kMode60_1->getId());
	},
	mFlinger);

	mScheduler->registerDisplay(display);
	mScheduler->setRefreshRateConfigs(display->holdRefreshRateConfigs());

	const sp<MockLayer> layer = sp<MockLayer>::make(mFlinger.flinger());
	EXPECT_CALL(*layer, isVisible()).WillOnce(Return(true));

	mScheduler->recordLayerHistory(layer.get(), 0, LayerHistory::LayerUpdateType::Buffer);

	constexpr hal::PowerMode kPowerModeOn = hal::PowerMode::ON;
	mScheduler->setDisplayPowerMode(kPowerModeOn);

	constexpr uint32_t kDisplayArea = 999'999;
	mScheduler->onActiveDisplayAreaChanged(kDisplayArea);

	EXPECT_CALL(mSchedulerCallback, requestDisplayModes(Is120Hz())).Times(1);
	mScheduler->chooseRefreshRateForContent();

	// No-op if layer requirements have not changed.
	EXPECT_CALL(mSchedulerCallback, requestDisplayModes(_)).Times(0);
	mScheduler->chooseRefreshRateForContent();
	}

	TEST_F(SchedulerTest, getBestDisplayMode_singleDisplay) {
	auto display = mFakeDisplayInjector.injectDefaultInternalDisplay(
	[&](FakeDisplayDeviceInjector& injector) {
	injector.setDisplayModes(makeModes(kMode60_1, kMode120_1), kMode60_1->getId());
	},
	mFlinger);
	mScheduler->registerDisplay(display);

	std::vector<RefreshRateConfigs::LayerRequirement> layers =
	std::vector<RefreshRateConfigs::LayerRequirement>({{.weight = 1.f}, {.weight = 1.f}});
	mScheduler->setContentRequirements(layers);
	GlobalSignals globalSignals = {.idle = true};
	mScheduler->setTouchStateAndIdleTimerPolicy(globalSignals);

	std::vector<DisplayModeConfig> displayModeConfigs = mScheduler->getBestDisplayModeConfigs();
	ASSERT_EQ(1ul, displayModeConfigs.size());
	EXPECT_EQ(displayModeConfigs.front().displayModePtr, kMode60_1);
	EXPECT_EQ(displayModeConfigs.front().signals, globalSignals);

	globalSignals = {.idle = false};
	mScheduler->setTouchStateAndIdleTimerPolicy(globalSignals);
	displayModeConfigs = mScheduler->getBestDisplayModeConfigs();
	ASSERT_EQ(1ul, displayModeConfigs.size());
	EXPECT_EQ(displayModeConfigs.front().displayModePtr, kMode120_1);
	EXPECT_EQ(displayModeConfigs.front().signals, globalSignals);

	globalSignals = {.touch = true};
	mScheduler->replaceTouchTimer(10);
	mScheduler->setTouchStateAndIdleTimerPolicy(globalSignals);
	displayModeConfigs = mScheduler->getBestDisplayModeConfigs();
	ASSERT_EQ(1ul, displayModeConfigs.size());
	EXPECT_EQ(displayModeConfigs.front().displayModePtr, kMode120_1);
	EXPECT_EQ(displayModeConfigs.front().signals, globalSignals);

	mScheduler->unregisterDisplay(display->getPhysicalId());
	EXPECT_TRUE(mScheduler->mutableDisplays().empty());
	}

	TEST_F(SchedulerTest, getBestDisplayModes_multipleDisplays) {
	auto display1 = mFakeDisplayInjector.injectDefaultInternalDisplay(
	[&](FakeDisplayDeviceInjector& injector) {
	injector.setDisplayModes(makeModes(kMode60_1, kMode120_1), kMode60_1->getId());
	},
	mFlinger);
	auto display2 = mFakeDisplayInjector.injectDefaultInternalDisplay(
	[&](FakeDisplayDeviceInjector& injector) {
	injector.setDisplayModes(makeModes(kMode60_2, kMode120_2), kMode60_2->getId());
	},
	mFlinger, /* port */ 253u);
	mScheduler->registerDisplay(display1);
	mScheduler->registerDisplay(display2);

	std::vector<sp<DisplayDevice>> expectedDisplays = {display1, display2};
	std::vector<RefreshRateConfigs::LayerRequirement> layers = {{.weight = 1.f}, {.weight = 1.f}};
	GlobalSignals globalSignals = {.idle = true};
	std::vector<DisplayModeConfig> expectedConfigs = {DisplayModeConfig{globalSignals, kMode60_1},
	DisplayModeConfig{globalSignals, kMode60_2}};

	mScheduler->setContentRequirements(layers);
	mScheduler->setTouchStateAndIdleTimerPolicy(globalSignals);
	std::vector<DisplayModeConfig> displayModeConfigs = mScheduler->getBestDisplayModeConfigs();
	ASSERT_EQ(displayModeConfigs.size(), expectedConfigs.size());
	for (size_t i = 0; i < expectedConfigs.size(); ++i) {
	EXPECT_EQ(expectedConfigs.at(i).displayModePtr, displayModeConfigs.at(i).displayModePtr)
	<< "Expected fps " << expectedConfigs.at(i).displayModePtr->getFps().getIntValue()
	<< " Actual fps "
	<< displayModeConfigs.at(i).displayModePtr->getFps().getIntValue();
	EXPECT_EQ(globalSignals, displayModeConfigs.at(i).signals);
	}

	expectedConfigs = std::vector<DisplayModeConfig>{DisplayModeConfig{globalSignals, kMode120_1},
	DisplayModeConfig{globalSignals, kMode120_2}};

	globalSignals = {.idle = false};
	mScheduler->setTouchStateAndIdleTimerPolicy(globalSignals);
	displayModeConfigs = mScheduler->getBestDisplayModeConfigs();
	ASSERT_EQ(expectedConfigs.size(), displayModeConfigs.size());
	for (size_t i = 0; i < expectedConfigs.size(); ++i) {
	EXPECT_EQ(expectedConfigs.at(i).displayModePtr, displayModeConfigs.at(i).displayModePtr)
	<< "Expected fps " << expectedConfigs.at(i).displayModePtr->getFps().getIntValue()
	<< " Actual fps "
	<< displayModeConfigs.at(i).displayModePtr->getFps().getIntValue();
	EXPECT_EQ(globalSignals, displayModeConfigs.at(i).signals);
	}

	globalSignals = {.touch = true};
	mScheduler->replaceTouchTimer(10);
	mScheduler->setTouchStateAndIdleTimerPolicy(globalSignals);
	displayModeConfigs = mScheduler->getBestDisplayModeConfigs();
	ASSERT_EQ(expectedConfigs.size(), displayModeConfigs.size());
	for (size_t i = 0; i < expectedConfigs.size(); ++i) {
	EXPECT_EQ(expectedConfigs.at(i).displayModePtr, displayModeConfigs.at(i).displayModePtr)
	<< "Expected fps " << expectedConfigs.at(i).displayModePtr->getFps().getIntValue()
	<< " Actual fps "
	<< displayModeConfigs.at(i).displayModePtr->getFps().getIntValue();
	EXPECT_EQ(globalSignals, displayModeConfigs.at(i).signals);
	}

	// Filters out the 120Hz as it's not present on the display3, even with touch active
	// we select 60Hz here.
	auto display3 = mFakeDisplayInjector.injectDefaultInternalDisplay(
	[&](FakeDisplayDeviceInjector& injector) {
	injector.setDisplayModes(makeModes(kMode60_3), kMode60_3->getId());
	},
	mFlinger, /* port */ 252u);
	mScheduler->registerDisplay(display3);

	expectedDisplays = {display1, display2, display3};
	globalSignals = {.touch = true};
	mScheduler->replaceTouchTimer(10);
	expectedConfigs = std::vector<DisplayModeConfig>{DisplayModeConfig{globalSignals, kMode60_1},
	DisplayModeConfig{globalSignals, kMode60_2},
	DisplayModeConfig{globalSignals, kMode60_3}};
	mScheduler->setTouchStateAndIdleTimerPolicy(globalSignals);
	displayModeConfigs = mScheduler->getBestDisplayModeConfigs();
	ASSERT_EQ(expectedConfigs.size(), displayModeConfigs.size());
	for (size_t i = 0; i < expectedConfigs.size(); ++i) {
	EXPECT_EQ(expectedConfigs.at(i).displayModePtr, displayModeConfigs.at(i).displayModePtr)
	<< "Expected fps " << expectedConfigs.at(i).displayModePtr->getFps().getIntValue()
	<< " Actual fps "
	<< displayModeConfigs.at(i).displayModePtr->getFps().getIntValue();
	EXPECT_EQ(globalSignals, displayModeConfigs.at(i).signals);
	}
	}

	} // namespace android::scheduler