| /* | 
 |  * 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 = PhysicalDisplayId::fromPort(111u); | 
 | constexpr PhysicalDisplayId EXTERNAL_DISPLAY_ID = PhysicalDisplayId::fromPort(222u); | 
 | constexpr PhysicalDisplayId DISPLAY_ID_64BIT = | 
 |         PhysicalDisplayId::fromEdid(0xffu, 0xffffu, 0xffff'ffffu); | 
 |  | 
 | 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) { | 
 |     mThread->onModeChanged(INTERNAL_DISPLAY_ID, DisplayModeId(7), 16666666); | 
 |     expectConfigChangedEventReceivedByConnection(INTERNAL_DISPLAY_ID, 7, 16666666); | 
 | } | 
 |  | 
 | TEST_F(EventThreadTest, postConfigChangedExternal) { | 
 |     mThread->onModeChanged(EXTERNAL_DISPLAY_ID, DisplayModeId(5), 16666666); | 
 |     expectConfigChangedEventReceivedByConnection(EXTERNAL_DISPLAY_ID, 5, 16666666); | 
 | } | 
 |  | 
 | TEST_F(EventThreadTest, postConfigChangedPrimary64bit) { | 
 |     mThread->onModeChanged(DISPLAY_ID_64BIT, DisplayModeId(7), 16666666); | 
 |     expectConfigChangedEventReceivedByConnection(DISPLAY_ID_64BIT, 7, 16666666); | 
 | } | 
 |  | 
 | TEST_F(EventThreadTest, suppressConfigChanged) { | 
 |     ConnectionEventRecorder suppressConnectionEventRecorder{0}; | 
 |     sp<MockEventThreadConnection> suppressConnection = | 
 |             createConnection(suppressConnectionEventRecorder); | 
 |  | 
 |     mThread->onModeChanged(INTERNAL_DISPLAY_ID, DisplayModeId(9), 16666666); | 
 |     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" |