|  | /* | 
|  | * Copyright (C) 2018 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 "-Wextra" | 
|  |  | 
|  | #undef LOG_TAG | 
|  | #define LOG_TAG "LibSurfaceFlingerUnittests" | 
|  |  | 
|  | #include <gmock/gmock.h> | 
|  | #include <gtest/gtest.h> | 
|  | #include <log/log.h> | 
|  | #include <utils/Errors.h> | 
|  |  | 
|  | #include "AsyncCallRecorder.h" | 
|  | #include "DisplayHardware/DisplayMode.h" | 
|  | #include "Scheduler/EventThread.h" | 
|  |  | 
|  | using namespace std::chrono_literals; | 
|  | using namespace std::placeholders; | 
|  |  | 
|  | using namespace android::flag_operators; | 
|  | using testing::_; | 
|  | using testing::Invoke; | 
|  |  | 
|  | namespace android { | 
|  |  | 
|  | namespace { | 
|  |  | 
|  | constexpr PhysicalDisplayId INTERNAL_DISPLAY_ID(111); | 
|  | constexpr PhysicalDisplayId EXTERNAL_DISPLAY_ID(222); | 
|  | constexpr PhysicalDisplayId DISPLAY_ID_64BIT(0xabcd12349876fedcULL); | 
|  | constexpr std::chrono::duration VSYNC_PERIOD(16ms); | 
|  | class MockVSyncSource : public VSyncSource { | 
|  | public: | 
|  | const char* getName() const override { return "test"; } | 
|  |  | 
|  | MOCK_METHOD1(setVSyncEnabled, void(bool)); | 
|  | MOCK_METHOD1(setCallback, void(VSyncSource::Callback*)); | 
|  | MOCK_METHOD2(setDuration, | 
|  | void(std::chrono::nanoseconds workDuration, | 
|  | std::chrono::nanoseconds readyDuration)); | 
|  | MOCK_METHOD1(pauseVsyncCallback, void(bool)); | 
|  | MOCK_CONST_METHOD1(dump, void(std::string&)); | 
|  | }; | 
|  |  | 
|  | } // namespace | 
|  |  | 
|  | class EventThreadTest : public testing::Test { | 
|  | protected: | 
|  | class MockEventThreadConnection : public EventThreadConnection { | 
|  | public: | 
|  | MockEventThreadConnection(impl::EventThread* eventThread, uid_t callingUid, | 
|  | ResyncCallback&& resyncCallback, | 
|  | ISurfaceComposer::EventRegistrationFlags eventRegistration) | 
|  | : EventThreadConnection(eventThread, callingUid, std::move(resyncCallback), | 
|  | eventRegistration) {} | 
|  | MOCK_METHOD1(postEvent, status_t(const DisplayEventReceiver::Event& event)); | 
|  | }; | 
|  |  | 
|  | using ConnectionEventRecorder = | 
|  | AsyncCallRecorderWithCannedReturn<status_t (*)(const DisplayEventReceiver::Event&)>; | 
|  |  | 
|  | EventThreadTest(); | 
|  | ~EventThreadTest() override; | 
|  |  | 
|  | void createThread(std::unique_ptr<VSyncSource>); | 
|  | sp<MockEventThreadConnection> createConnection( | 
|  | ConnectionEventRecorder& recorder, | 
|  | ISurfaceComposer::EventRegistrationFlags eventRegistration = {}, | 
|  | uid_t ownerUid = mConnectionUid); | 
|  |  | 
|  | void expectVSyncSetEnabledCallReceived(bool expectedState); | 
|  | void expectVSyncSetDurationCallReceived(std::chrono::nanoseconds expectedDuration, | 
|  | std::chrono::nanoseconds expectedReadyDuration); | 
|  | VSyncSource::Callback* expectVSyncSetCallbackCallReceived(); | 
|  | void expectInterceptCallReceived(nsecs_t expectedTimestamp); | 
|  | void expectVsyncEventReceivedByConnection(const char* name, | 
|  | ConnectionEventRecorder& connectionEventRecorder, | 
|  | nsecs_t expectedTimestamp, unsigned expectedCount); | 
|  | void expectVsyncEventReceivedByConnection(nsecs_t expectedTimestamp, unsigned expectedCount); | 
|  | void expectHotplugEventReceivedByConnection(PhysicalDisplayId expectedDisplayId, | 
|  | bool expectedConnected); | 
|  | void expectConfigChangedEventReceivedByConnection(PhysicalDisplayId expectedDisplayId, | 
|  | int32_t expectedConfigId, | 
|  | nsecs_t expectedVsyncPeriod); | 
|  | void expectThrottleVsyncReceived(nsecs_t expectedTimestamp, uid_t); | 
|  | void expectUidFrameRateMappingEventReceivedByConnection(PhysicalDisplayId expectedDisplayId, | 
|  | std::vector<FrameRateOverride>); | 
|  |  | 
|  | AsyncCallRecorder<void (*)(bool)> mVSyncSetEnabledCallRecorder; | 
|  | AsyncCallRecorder<void (*)(VSyncSource::Callback*)> mVSyncSetCallbackCallRecorder; | 
|  | AsyncCallRecorder<void (*)(std::chrono::nanoseconds, std::chrono::nanoseconds)> | 
|  | mVSyncSetDurationCallRecorder; | 
|  | AsyncCallRecorder<void (*)()> mResyncCallRecorder; | 
|  | AsyncCallRecorder<void (*)(nsecs_t)> mInterceptVSyncCallRecorder; | 
|  | AsyncCallRecorder<void (*)(nsecs_t, uid_t)> mThrottleVsyncCallRecorder; | 
|  | ConnectionEventRecorder mConnectionEventCallRecorder{0}; | 
|  | ConnectionEventRecorder mThrottledConnectionEventCallRecorder{0}; | 
|  |  | 
|  | MockVSyncSource* mVSyncSource; | 
|  | VSyncSource::Callback* mCallback = nullptr; | 
|  | std::unique_ptr<impl::EventThread> mThread; | 
|  | sp<MockEventThreadConnection> mConnection; | 
|  | sp<MockEventThreadConnection> mThrottledConnection; | 
|  |  | 
|  | static constexpr uid_t mConnectionUid = 443; | 
|  | static constexpr uid_t mThrottledConnectionUid = 177; | 
|  | }; | 
|  |  | 
|  | EventThreadTest::EventThreadTest() { | 
|  | const ::testing::TestInfo* const test_info = | 
|  | ::testing::UnitTest::GetInstance()->current_test_info(); | 
|  | ALOGD("**** Setting up for %s.%s\n", test_info->test_case_name(), test_info->name()); | 
|  |  | 
|  | auto vsyncSource = std::make_unique<MockVSyncSource>(); | 
|  | mVSyncSource = vsyncSource.get(); | 
|  |  | 
|  | EXPECT_CALL(*mVSyncSource, setVSyncEnabled(_)) | 
|  | .WillRepeatedly(Invoke(mVSyncSetEnabledCallRecorder.getInvocable())); | 
|  |  | 
|  | EXPECT_CALL(*mVSyncSource, setCallback(_)) | 
|  | .WillRepeatedly(Invoke(mVSyncSetCallbackCallRecorder.getInvocable())); | 
|  |  | 
|  | EXPECT_CALL(*mVSyncSource, setDuration(_, _)) | 
|  | .WillRepeatedly(Invoke(mVSyncSetDurationCallRecorder.getInvocable())); | 
|  |  | 
|  | createThread(std::move(vsyncSource)); | 
|  | mConnection = createConnection(mConnectionEventCallRecorder, | 
|  | ISurfaceComposer::EventRegistration::modeChanged | | 
|  | ISurfaceComposer::EventRegistration::frameRateOverride); | 
|  | mThrottledConnection = createConnection(mThrottledConnectionEventCallRecorder, | 
|  | ISurfaceComposer::EventRegistration::modeChanged, | 
|  | mThrottledConnectionUid); | 
|  |  | 
|  | // A display must be connected for VSYNC events to be delivered. | 
|  | mThread->onHotplugReceived(INTERNAL_DISPLAY_ID, true); | 
|  | expectHotplugEventReceivedByConnection(INTERNAL_DISPLAY_ID, true); | 
|  | } | 
|  |  | 
|  | EventThreadTest::~EventThreadTest() { | 
|  | const ::testing::TestInfo* const test_info = | 
|  | ::testing::UnitTest::GetInstance()->current_test_info(); | 
|  | ALOGD("**** Tearing down after %s.%s\n", test_info->test_case_name(), test_info->name()); | 
|  |  | 
|  | // EventThread should unregister itself as VSyncSource callback. | 
|  | EXPECT_TRUE(!mVSyncSetCallbackCallRecorder.waitForUnexpectedCall().has_value()); | 
|  | } | 
|  |  | 
|  | void EventThreadTest::createThread(std::unique_ptr<VSyncSource> source) { | 
|  | const auto throttleVsync = [&](nsecs_t expectedVsyncTimestamp, uid_t uid) { | 
|  | mThrottleVsyncCallRecorder.getInvocable()(expectedVsyncTimestamp, uid); | 
|  | return (uid == mThrottledConnectionUid); | 
|  | }; | 
|  | const auto getVsyncPeriod = [](uid_t uid) { | 
|  | return VSYNC_PERIOD.count(); | 
|  | }; | 
|  |  | 
|  | mThread = std::make_unique<impl::EventThread>(std::move(source), | 
|  | /*tokenManager=*/nullptr, | 
|  | mInterceptVSyncCallRecorder.getInvocable(), | 
|  | throttleVsync, getVsyncPeriod); | 
|  |  | 
|  | // EventThread should register itself as VSyncSource callback. | 
|  | mCallback = expectVSyncSetCallbackCallReceived(); | 
|  | ASSERT_TRUE(mCallback); | 
|  | } | 
|  |  | 
|  | sp<EventThreadTest::MockEventThreadConnection> EventThreadTest::createConnection( | 
|  | ConnectionEventRecorder& recorder, | 
|  | ISurfaceComposer::EventRegistrationFlags eventRegistration, uid_t ownerUid) { | 
|  | sp<MockEventThreadConnection> connection = | 
|  | new MockEventThreadConnection(mThread.get(), ownerUid, | 
|  | mResyncCallRecorder.getInvocable(), eventRegistration); | 
|  | EXPECT_CALL(*connection, postEvent(_)).WillRepeatedly(Invoke(recorder.getInvocable())); | 
|  | return connection; | 
|  | } | 
|  |  | 
|  | void EventThreadTest::expectVSyncSetEnabledCallReceived(bool expectedState) { | 
|  | auto args = mVSyncSetEnabledCallRecorder.waitForCall(); | 
|  | ASSERT_TRUE(args.has_value()); | 
|  | EXPECT_EQ(expectedState, std::get<0>(args.value())); | 
|  | } | 
|  |  | 
|  | void EventThreadTest::expectVSyncSetDurationCallReceived( | 
|  | std::chrono::nanoseconds expectedDuration, std::chrono::nanoseconds expectedReadyDuration) { | 
|  | auto args = mVSyncSetDurationCallRecorder.waitForCall(); | 
|  | ASSERT_TRUE(args.has_value()); | 
|  | EXPECT_EQ(expectedDuration, std::get<0>(args.value())); | 
|  | EXPECT_EQ(expectedReadyDuration, std::get<1>(args.value())); | 
|  | } | 
|  |  | 
|  | VSyncSource::Callback* EventThreadTest::expectVSyncSetCallbackCallReceived() { | 
|  | auto callbackSet = mVSyncSetCallbackCallRecorder.waitForCall(); | 
|  | return callbackSet.has_value() ? std::get<0>(callbackSet.value()) : nullptr; | 
|  | } | 
|  |  | 
|  | void EventThreadTest::expectInterceptCallReceived(nsecs_t expectedTimestamp) { | 
|  | auto args = mInterceptVSyncCallRecorder.waitForCall(); | 
|  | ASSERT_TRUE(args.has_value()); | 
|  | EXPECT_EQ(expectedTimestamp, std::get<0>(args.value())); | 
|  | } | 
|  |  | 
|  | void EventThreadTest::expectThrottleVsyncReceived(nsecs_t expectedTimestamp, uid_t uid) { | 
|  | auto args = mThrottleVsyncCallRecorder.waitForCall(); | 
|  | ASSERT_TRUE(args.has_value()); | 
|  | EXPECT_EQ(expectedTimestamp, std::get<0>(args.value())); | 
|  | EXPECT_EQ(uid, std::get<1>(args.value())); | 
|  | } | 
|  |  | 
|  | void EventThreadTest::expectVsyncEventReceivedByConnection( | 
|  | const char* name, ConnectionEventRecorder& connectionEventRecorder, | 
|  | nsecs_t expectedTimestamp, unsigned expectedCount) { | 
|  | auto args = connectionEventRecorder.waitForCall(); | 
|  | ASSERT_TRUE(args.has_value()) << name << " did not receive an event for timestamp " | 
|  | << expectedTimestamp; | 
|  | const auto& event = std::get<0>(args.value()); | 
|  | EXPECT_EQ(DisplayEventReceiver::DISPLAY_EVENT_VSYNC, event.header.type) | 
|  | << name << " did not get the correct event for timestamp " << expectedTimestamp; | 
|  | EXPECT_EQ(expectedTimestamp, event.header.timestamp) | 
|  | << name << " did not get the expected timestamp for timestamp " << expectedTimestamp; | 
|  | EXPECT_EQ(expectedCount, event.vsync.count) | 
|  | << name << " did not get the expected count for timestamp " << expectedTimestamp; | 
|  | } | 
|  |  | 
|  | void EventThreadTest::expectVsyncEventReceivedByConnection(nsecs_t expectedTimestamp, | 
|  | unsigned expectedCount) { | 
|  | expectVsyncEventReceivedByConnection("mConnectionEventCallRecorder", | 
|  | mConnectionEventCallRecorder, expectedTimestamp, | 
|  | expectedCount); | 
|  | } | 
|  |  | 
|  | void EventThreadTest::expectHotplugEventReceivedByConnection(PhysicalDisplayId expectedDisplayId, | 
|  | bool expectedConnected) { | 
|  | auto args = mConnectionEventCallRecorder.waitForCall(); | 
|  | ASSERT_TRUE(args.has_value()); | 
|  | const auto& event = std::get<0>(args.value()); | 
|  | EXPECT_EQ(DisplayEventReceiver::DISPLAY_EVENT_HOTPLUG, event.header.type); | 
|  | EXPECT_EQ(expectedDisplayId, event.header.displayId); | 
|  | EXPECT_EQ(expectedConnected, event.hotplug.connected); | 
|  | } | 
|  |  | 
|  | void EventThreadTest::expectConfigChangedEventReceivedByConnection( | 
|  | PhysicalDisplayId expectedDisplayId, int32_t expectedConfigId, | 
|  | nsecs_t expectedVsyncPeriod) { | 
|  | auto args = mConnectionEventCallRecorder.waitForCall(); | 
|  | ASSERT_TRUE(args.has_value()); | 
|  | const auto& event = std::get<0>(args.value()); | 
|  | EXPECT_EQ(DisplayEventReceiver::DISPLAY_EVENT_MODE_CHANGE, event.header.type); | 
|  | EXPECT_EQ(expectedDisplayId, event.header.displayId); | 
|  | EXPECT_EQ(expectedConfigId, event.modeChange.modeId); | 
|  | EXPECT_EQ(expectedVsyncPeriod, event.modeChange.vsyncPeriod); | 
|  | } | 
|  |  | 
|  | void EventThreadTest::expectUidFrameRateMappingEventReceivedByConnection( | 
|  | PhysicalDisplayId expectedDisplayId, std::vector<FrameRateOverride> expectedOverrides) { | 
|  | for (const auto [uid, frameRateHz] : expectedOverrides) { | 
|  | auto args = mConnectionEventCallRecorder.waitForCall(); | 
|  | ASSERT_TRUE(args.has_value()); | 
|  | const auto& event = std::get<0>(args.value()); | 
|  | EXPECT_EQ(DisplayEventReceiver::DISPLAY_EVENT_FRAME_RATE_OVERRIDE, event.header.type); | 
|  | EXPECT_EQ(expectedDisplayId, event.header.displayId); | 
|  | EXPECT_EQ(uid, event.frameRateOverride.uid); | 
|  | EXPECT_EQ(frameRateHz, event.frameRateOverride.frameRateHz); | 
|  | } | 
|  |  | 
|  | auto args = mConnectionEventCallRecorder.waitForCall(); | 
|  | ASSERT_TRUE(args.has_value()); | 
|  | const auto& event = std::get<0>(args.value()); | 
|  | EXPECT_EQ(DisplayEventReceiver::DISPLAY_EVENT_FRAME_RATE_OVERRIDE_FLUSH, event.header.type); | 
|  | EXPECT_EQ(expectedDisplayId, event.header.displayId); | 
|  | } | 
|  |  | 
|  | namespace { | 
|  |  | 
|  | /* ------------------------------------------------------------------------ | 
|  | * Test cases | 
|  | */ | 
|  |  | 
|  | TEST_F(EventThreadTest, canCreateAndDestroyThreadWithNoEventsSent) { | 
|  | EXPECT_FALSE(mVSyncSetEnabledCallRecorder.waitForUnexpectedCall().has_value()); | 
|  | EXPECT_FALSE(mVSyncSetCallbackCallRecorder.waitForCall(0us).has_value()); | 
|  | EXPECT_FALSE(mVSyncSetDurationCallRecorder.waitForCall(0us).has_value()); | 
|  | EXPECT_FALSE(mResyncCallRecorder.waitForCall(0us).has_value()); | 
|  | EXPECT_FALSE(mInterceptVSyncCallRecorder.waitForCall(0us).has_value()); | 
|  | EXPECT_FALSE(mConnectionEventCallRecorder.waitForCall(0us).has_value()); | 
|  | } | 
|  |  | 
|  | TEST_F(EventThreadTest, vsyncRequestIsIgnoredIfDisplayIsDisconnected) { | 
|  | mThread->onHotplugReceived(INTERNAL_DISPLAY_ID, false); | 
|  | expectHotplugEventReceivedByConnection(INTERNAL_DISPLAY_ID, false); | 
|  |  | 
|  | // Signal that we want the next vsync event to be posted to the connection. | 
|  | mThread->requestNextVsync(mConnection); | 
|  |  | 
|  | // EventThread should not enable vsync callbacks. | 
|  | EXPECT_FALSE(mVSyncSetEnabledCallRecorder.waitForUnexpectedCall().has_value()); | 
|  | } | 
|  |  | 
|  | TEST_F(EventThreadTest, requestNextVsyncPostsASingleVSyncEventToTheConnection) { | 
|  | // Signal that we want the next vsync event to be posted to the connection | 
|  | mThread->requestNextVsync(mConnection); | 
|  |  | 
|  | // EventThread should immediately request a resync. | 
|  | EXPECT_TRUE(mResyncCallRecorder.waitForCall().has_value()); | 
|  |  | 
|  | // EventThread should enable vsync callbacks. | 
|  | expectVSyncSetEnabledCallReceived(true); | 
|  |  | 
|  | // Use the received callback to signal a first vsync event. | 
|  | // The interceptor should receive the event, as well as the connection. | 
|  | mCallback->onVSyncEvent(123, 456, 789); | 
|  | expectInterceptCallReceived(123); | 
|  | expectThrottleVsyncReceived(456, mConnectionUid); | 
|  | expectVsyncEventReceivedByConnection(123, 1u); | 
|  |  | 
|  | // Use the received callback to signal a second vsync event. | 
|  | // The interceptor should receive the event, but the connection should | 
|  | // not as it was only interested in the first. | 
|  | mCallback->onVSyncEvent(456, 123, 0); | 
|  | expectInterceptCallReceived(456); | 
|  | EXPECT_FALSE(mThrottleVsyncCallRecorder.waitForUnexpectedCall().has_value()); | 
|  | EXPECT_FALSE(mConnectionEventCallRecorder.waitForUnexpectedCall().has_value()); | 
|  |  | 
|  | // EventThread should also detect that at this point that it does not need | 
|  | // any more vsync events, and should disable their generation. | 
|  | expectVSyncSetEnabledCallReceived(false); | 
|  | } | 
|  |  | 
|  | TEST_F(EventThreadTest, setVsyncRateZeroPostsNoVSyncEventsToThatConnection) { | 
|  | // Create a first connection, register it, and request a vsync rate of zero. | 
|  | ConnectionEventRecorder firstConnectionEventRecorder{0}; | 
|  | sp<MockEventThreadConnection> firstConnection = createConnection(firstConnectionEventRecorder); | 
|  | mThread->setVsyncRate(0, firstConnection); | 
|  |  | 
|  | // By itself, this should not enable vsync events | 
|  | EXPECT_FALSE(mVSyncSetEnabledCallRecorder.waitForUnexpectedCall().has_value()); | 
|  | EXPECT_FALSE(mVSyncSetCallbackCallRecorder.waitForCall(0us).has_value()); | 
|  |  | 
|  | // However if there is another connection which wants events at a nonzero rate..... | 
|  | ConnectionEventRecorder secondConnectionEventRecorder{0}; | 
|  | sp<MockEventThreadConnection> secondConnection = | 
|  | createConnection(secondConnectionEventRecorder); | 
|  | mThread->setVsyncRate(1, secondConnection); | 
|  |  | 
|  | // EventThread should enable vsync callbacks. | 
|  | expectVSyncSetEnabledCallReceived(true); | 
|  |  | 
|  | // Send a vsync event. EventThread should then make a call to the | 
|  | // interceptor, and the second connection. The first connection should not | 
|  | // get the event. | 
|  | mCallback->onVSyncEvent(123, 456, 0); | 
|  | expectInterceptCallReceived(123); | 
|  | EXPECT_FALSE(firstConnectionEventRecorder.waitForUnexpectedCall().has_value()); | 
|  | expectVsyncEventReceivedByConnection("secondConnection", secondConnectionEventRecorder, 123, | 
|  | 1u); | 
|  | } | 
|  |  | 
|  | TEST_F(EventThreadTest, setVsyncRateOnePostsAllEventsToThatConnection) { | 
|  | mThread->setVsyncRate(1, mConnection); | 
|  |  | 
|  | // EventThread should enable vsync callbacks. | 
|  | expectVSyncSetEnabledCallReceived(true); | 
|  |  | 
|  | // Send a vsync event. EventThread should then make a call to the | 
|  | // interceptor, and the connection. | 
|  | mCallback->onVSyncEvent(123, 456, 789); | 
|  | expectInterceptCallReceived(123); | 
|  | expectThrottleVsyncReceived(456, mConnectionUid); | 
|  | expectVsyncEventReceivedByConnection(123, 1u); | 
|  |  | 
|  | // A second event should go to the same places. | 
|  | mCallback->onVSyncEvent(456, 123, 0); | 
|  | expectInterceptCallReceived(456); | 
|  | expectThrottleVsyncReceived(123, mConnectionUid); | 
|  | expectVsyncEventReceivedByConnection(456, 2u); | 
|  |  | 
|  | // A third event should go to the same places. | 
|  | mCallback->onVSyncEvent(789, 777, 111); | 
|  | expectInterceptCallReceived(789); | 
|  | expectThrottleVsyncReceived(777, mConnectionUid); | 
|  | expectVsyncEventReceivedByConnection(789, 3u); | 
|  | } | 
|  |  | 
|  | TEST_F(EventThreadTest, setVsyncRateTwoPostsEveryOtherEventToThatConnection) { | 
|  | mThread->setVsyncRate(2, mConnection); | 
|  |  | 
|  | // EventThread should enable vsync callbacks. | 
|  | expectVSyncSetEnabledCallReceived(true); | 
|  |  | 
|  | // The first event will be seen by the interceptor, and not the connection. | 
|  | mCallback->onVSyncEvent(123, 456, 789); | 
|  | expectInterceptCallReceived(123); | 
|  | EXPECT_FALSE(mConnectionEventCallRecorder.waitForUnexpectedCall().has_value()); | 
|  | EXPECT_FALSE(mThrottleVsyncCallRecorder.waitForUnexpectedCall().has_value()); | 
|  |  | 
|  | // The second event will be seen by the interceptor and the connection. | 
|  | mCallback->onVSyncEvent(456, 123, 0); | 
|  | expectInterceptCallReceived(456); | 
|  | expectVsyncEventReceivedByConnection(456, 2u); | 
|  | EXPECT_FALSE(mThrottleVsyncCallRecorder.waitForUnexpectedCall().has_value()); | 
|  |  | 
|  | // The third event will be seen by the interceptor, and not the connection. | 
|  | mCallback->onVSyncEvent(789, 777, 744); | 
|  | expectInterceptCallReceived(789); | 
|  | EXPECT_FALSE(mConnectionEventCallRecorder.waitForUnexpectedCall().has_value()); | 
|  | EXPECT_FALSE(mThrottleVsyncCallRecorder.waitForUnexpectedCall().has_value()); | 
|  |  | 
|  | // The fourth event will be seen by the interceptor and the connection. | 
|  | mCallback->onVSyncEvent(101112, 7847, 86); | 
|  | expectInterceptCallReceived(101112); | 
|  | expectVsyncEventReceivedByConnection(101112, 4u); | 
|  | } | 
|  |  | 
|  | TEST_F(EventThreadTest, connectionsRemovedIfInstanceDestroyed) { | 
|  | mThread->setVsyncRate(1, mConnection); | 
|  |  | 
|  | // EventThread should enable vsync callbacks. | 
|  | expectVSyncSetEnabledCallReceived(true); | 
|  |  | 
|  | // Destroy the only (strong) reference to the connection. | 
|  | mConnection = nullptr; | 
|  |  | 
|  | // The first event will be seen by the interceptor, and not the connection. | 
|  | mCallback->onVSyncEvent(123, 456, 789); | 
|  | expectInterceptCallReceived(123); | 
|  | EXPECT_FALSE(mConnectionEventCallRecorder.waitForUnexpectedCall().has_value()); | 
|  |  | 
|  | // EventThread should disable vsync callbacks | 
|  | expectVSyncSetEnabledCallReceived(false); | 
|  | } | 
|  |  | 
|  | TEST_F(EventThreadTest, connectionsRemovedIfEventDeliveryError) { | 
|  | ConnectionEventRecorder errorConnectionEventRecorder{NO_MEMORY}; | 
|  | sp<MockEventThreadConnection> errorConnection = createConnection(errorConnectionEventRecorder); | 
|  | mThread->setVsyncRate(1, errorConnection); | 
|  |  | 
|  | // EventThread should enable vsync callbacks. | 
|  | expectVSyncSetEnabledCallReceived(true); | 
|  |  | 
|  | // The first event will be seen by the interceptor, and by the connection, | 
|  | // which then returns an error. | 
|  | mCallback->onVSyncEvent(123, 456, 789); | 
|  | expectInterceptCallReceived(123); | 
|  | expectVsyncEventReceivedByConnection("errorConnection", errorConnectionEventRecorder, 123, 1u); | 
|  |  | 
|  | // A subsequent event will be seen by the interceptor and not by the | 
|  | // connection. | 
|  | mCallback->onVSyncEvent(456, 123, 0); | 
|  | expectInterceptCallReceived(456); | 
|  | EXPECT_FALSE(errorConnectionEventRecorder.waitForUnexpectedCall().has_value()); | 
|  |  | 
|  | // EventThread should disable vsync callbacks with the second event | 
|  | expectVSyncSetEnabledCallReceived(false); | 
|  | } | 
|  |  | 
|  | TEST_F(EventThreadTest, tracksEventConnections) { | 
|  | EXPECT_EQ(2, mThread->getEventThreadConnectionCount()); | 
|  | ConnectionEventRecorder errorConnectionEventRecorder{NO_MEMORY}; | 
|  | sp<MockEventThreadConnection> errorConnection = createConnection(errorConnectionEventRecorder); | 
|  | mThread->setVsyncRate(1, errorConnection); | 
|  | EXPECT_EQ(3, mThread->getEventThreadConnectionCount()); | 
|  | ConnectionEventRecorder secondConnectionEventRecorder{0}; | 
|  | sp<MockEventThreadConnection> secondConnection = | 
|  | createConnection(secondConnectionEventRecorder); | 
|  | mThread->setVsyncRate(1, secondConnection); | 
|  | EXPECT_EQ(4, mThread->getEventThreadConnectionCount()); | 
|  |  | 
|  | // EventThread should enable vsync callbacks. | 
|  | expectVSyncSetEnabledCallReceived(true); | 
|  |  | 
|  | // The first event will be seen by the interceptor, and by the connection, | 
|  | // which then returns an error. | 
|  | mCallback->onVSyncEvent(123, 456, 789); | 
|  | expectInterceptCallReceived(123); | 
|  | expectVsyncEventReceivedByConnection("errorConnection", errorConnectionEventRecorder, 123, 1u); | 
|  | expectVsyncEventReceivedByConnection("successConnection", secondConnectionEventRecorder, 123, | 
|  | 1u); | 
|  | EXPECT_EQ(3, mThread->getEventThreadConnectionCount()); | 
|  | } | 
|  |  | 
|  | TEST_F(EventThreadTest, eventsDroppedIfNonfatalEventDeliveryError) { | 
|  | ConnectionEventRecorder errorConnectionEventRecorder{WOULD_BLOCK}; | 
|  | sp<MockEventThreadConnection> errorConnection = createConnection(errorConnectionEventRecorder); | 
|  | mThread->setVsyncRate(1, errorConnection); | 
|  |  | 
|  | // EventThread should enable vsync callbacks. | 
|  | expectVSyncSetEnabledCallReceived(true); | 
|  |  | 
|  | // The first event will be seen by the interceptor, and by the connection, | 
|  | // which then returns an non-fatal error. | 
|  | mCallback->onVSyncEvent(123, 456, 789); | 
|  | expectInterceptCallReceived(123); | 
|  | expectVsyncEventReceivedByConnection("errorConnection", errorConnectionEventRecorder, 123, 1u); | 
|  |  | 
|  | // A subsequent event will be seen by the interceptor, and by the connection, | 
|  | // which still then returns an non-fatal error. | 
|  | mCallback->onVSyncEvent(456, 123, 0); | 
|  | expectInterceptCallReceived(456); | 
|  | expectVsyncEventReceivedByConnection("errorConnection", errorConnectionEventRecorder, 456, 2u); | 
|  |  | 
|  | // EventThread will not disable vsync callbacks as the errors are non-fatal. | 
|  | EXPECT_FALSE(mVSyncSetEnabledCallRecorder.waitForUnexpectedCall().has_value()); | 
|  | } | 
|  |  | 
|  | TEST_F(EventThreadTest, setPhaseOffsetForwardsToVSyncSource) { | 
|  | mThread->setDuration(321ns, 456ns); | 
|  | expectVSyncSetDurationCallReceived(321ns, 456ns); | 
|  | } | 
|  |  | 
|  | TEST_F(EventThreadTest, postHotplugInternalDisconnect) { | 
|  | mThread->onHotplugReceived(INTERNAL_DISPLAY_ID, false); | 
|  | expectHotplugEventReceivedByConnection(INTERNAL_DISPLAY_ID, false); | 
|  | } | 
|  |  | 
|  | TEST_F(EventThreadTest, postHotplugInternalConnect) { | 
|  | mThread->onHotplugReceived(INTERNAL_DISPLAY_ID, true); | 
|  | expectHotplugEventReceivedByConnection(INTERNAL_DISPLAY_ID, true); | 
|  | } | 
|  |  | 
|  | TEST_F(EventThreadTest, postHotplugExternalDisconnect) { | 
|  | mThread->onHotplugReceived(EXTERNAL_DISPLAY_ID, false); | 
|  | expectHotplugEventReceivedByConnection(EXTERNAL_DISPLAY_ID, false); | 
|  | } | 
|  |  | 
|  | TEST_F(EventThreadTest, postHotplugExternalConnect) { | 
|  | mThread->onHotplugReceived(EXTERNAL_DISPLAY_ID, true); | 
|  | expectHotplugEventReceivedByConnection(EXTERNAL_DISPLAY_ID, true); | 
|  | } | 
|  |  | 
|  | TEST_F(EventThreadTest, postConfigChangedPrimary) { | 
|  | const auto mode = DisplayMode::Builder(hal::HWConfigId(0)) | 
|  | .setPhysicalDisplayId(INTERNAL_DISPLAY_ID) | 
|  | .setId(DisplayModeId(7)) | 
|  | .setVsyncPeriod(16666666) | 
|  | .build(); | 
|  |  | 
|  | mThread->onModeChanged(mode); | 
|  | expectConfigChangedEventReceivedByConnection(INTERNAL_DISPLAY_ID, 7, 16666666); | 
|  | } | 
|  |  | 
|  | TEST_F(EventThreadTest, postConfigChangedExternal) { | 
|  | const auto mode = DisplayMode::Builder(hal::HWConfigId(0)) | 
|  | .setPhysicalDisplayId(EXTERNAL_DISPLAY_ID) | 
|  | .setId(DisplayModeId(5)) | 
|  | .setVsyncPeriod(16666666) | 
|  | .build(); | 
|  |  | 
|  | mThread->onModeChanged(mode); | 
|  | expectConfigChangedEventReceivedByConnection(EXTERNAL_DISPLAY_ID, 5, 16666666); | 
|  | } | 
|  |  | 
|  | TEST_F(EventThreadTest, postConfigChangedPrimary64bit) { | 
|  | const auto mode = DisplayMode::Builder(hal::HWConfigId(0)) | 
|  | .setPhysicalDisplayId(DISPLAY_ID_64BIT) | 
|  | .setId(DisplayModeId(7)) | 
|  | .setVsyncPeriod(16666666) | 
|  | .build(); | 
|  | mThread->onModeChanged(mode); | 
|  | expectConfigChangedEventReceivedByConnection(DISPLAY_ID_64BIT, 7, 16666666); | 
|  | } | 
|  |  | 
|  | TEST_F(EventThreadTest, suppressConfigChanged) { | 
|  | ConnectionEventRecorder suppressConnectionEventRecorder{0}; | 
|  | sp<MockEventThreadConnection> suppressConnection = | 
|  | createConnection(suppressConnectionEventRecorder); | 
|  |  | 
|  | const auto mode = DisplayMode::Builder(hal::HWConfigId(0)) | 
|  | .setPhysicalDisplayId(INTERNAL_DISPLAY_ID) | 
|  | .setId(DisplayModeId(9)) | 
|  | .setVsyncPeriod(16666666) | 
|  | .build(); | 
|  |  | 
|  | mThread->onModeChanged(mode); | 
|  | expectConfigChangedEventReceivedByConnection(INTERNAL_DISPLAY_ID, 9, 16666666); | 
|  |  | 
|  | auto args = suppressConnectionEventRecorder.waitForCall(); | 
|  | ASSERT_FALSE(args.has_value()); | 
|  | } | 
|  |  | 
|  | TEST_F(EventThreadTest, postUidFrameRateMapping) { | 
|  | const std::vector<FrameRateOverride> overrides = { | 
|  | {.uid = 1, .frameRateHz = 20}, | 
|  | {.uid = 3, .frameRateHz = 40}, | 
|  | {.uid = 5, .frameRateHz = 60}, | 
|  | }; | 
|  |  | 
|  | mThread->onFrameRateOverridesChanged(INTERNAL_DISPLAY_ID, overrides); | 
|  | expectUidFrameRateMappingEventReceivedByConnection(INTERNAL_DISPLAY_ID, overrides); | 
|  | } | 
|  |  | 
|  | TEST_F(EventThreadTest, suppressUidFrameRateMapping) { | 
|  | const std::vector<FrameRateOverride> overrides = { | 
|  | {.uid = 1, .frameRateHz = 20}, | 
|  | {.uid = 3, .frameRateHz = 40}, | 
|  | {.uid = 5, .frameRateHz = 60}, | 
|  | }; | 
|  |  | 
|  | ConnectionEventRecorder suppressConnectionEventRecorder{0}; | 
|  | sp<MockEventThreadConnection> suppressConnection = | 
|  | createConnection(suppressConnectionEventRecorder); | 
|  |  | 
|  | mThread->onFrameRateOverridesChanged(INTERNAL_DISPLAY_ID, overrides); | 
|  | expectUidFrameRateMappingEventReceivedByConnection(INTERNAL_DISPLAY_ID, overrides); | 
|  |  | 
|  | auto args = suppressConnectionEventRecorder.waitForCall(); | 
|  | ASSERT_FALSE(args.has_value()); | 
|  | } | 
|  |  | 
|  | TEST_F(EventThreadTest, requestNextVsyncWithThrottleVsyncDoesntPostVSync) { | 
|  | // Signal that we want the next vsync event to be posted to the throttled connection | 
|  | mThread->requestNextVsync(mThrottledConnection); | 
|  |  | 
|  | // EventThread should immediately request a resync. | 
|  | EXPECT_TRUE(mResyncCallRecorder.waitForCall().has_value()); | 
|  |  | 
|  | // EventThread should enable vsync callbacks. | 
|  | expectVSyncSetEnabledCallReceived(true); | 
|  |  | 
|  | // Use the received callback to signal a first vsync event. | 
|  | // The interceptor should receive the event, but not the connection. | 
|  | mCallback->onVSyncEvent(123, 456, 789); | 
|  | expectInterceptCallReceived(123); | 
|  | expectThrottleVsyncReceived(456, mThrottledConnectionUid); | 
|  | mThrottledConnectionEventCallRecorder.waitForUnexpectedCall(); | 
|  |  | 
|  | // Use the received callback to signal a second vsync event. | 
|  | // The interceptor should receive the event, but the connection should | 
|  | // not as it was only interested in the first. | 
|  | mCallback->onVSyncEvent(456, 123, 0); | 
|  | expectInterceptCallReceived(456); | 
|  | expectThrottleVsyncReceived(123, mThrottledConnectionUid); | 
|  | EXPECT_FALSE(mConnectionEventCallRecorder.waitForUnexpectedCall().has_value()); | 
|  |  | 
|  | // EventThread should not change the vsync state as it didn't send the event | 
|  | // yet | 
|  | EXPECT_FALSE(mVSyncSetEnabledCallRecorder.waitForUnexpectedCall().has_value()); | 
|  | } | 
|  |  | 
|  | } // namespace | 
|  | } // namespace android | 
|  |  | 
|  | // TODO(b/129481165): remove the #pragma below and fix conversion issues | 
|  | #pragma clang diagnostic pop // ignored "-Wextra" |