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/*
* Copyright 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#undef LOG_TAG
#define LOG_TAG "LibSurfaceFlingerUnittests"
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include "FrameTimeline.h"
#include "Scheduler/MessageQueue.h"
#include "SurfaceFlinger.h"
namespace android {
using namespace std::chrono_literals;
using namespace testing;
using CallbackToken = scheduler::VSyncDispatch::CallbackToken;
struct NoOpCompositor final : ICompositor {
bool commit(nsecs_t, int64_t, nsecs_t) override { return false; }
void composite(nsecs_t, int64_t) override {}
void sample() override {}
} gNoOpCompositor;
class TestableMessageQueue : public impl::MessageQueue {
struct MockHandler : MessageQueue::Handler {
using MessageQueue::Handler::Handler;
MOCK_METHOD(void, dispatchFrame, (int64_t, nsecs_t), (override));
};
explicit TestableMessageQueue(sp<MockHandler> handler)
: impl::MessageQueue(gNoOpCompositor, handler), mHandler(std::move(handler)) {}
public:
TestableMessageQueue() : TestableMessageQueue(sp<MockHandler>::make(*this)) {}
using impl::MessageQueue::vsyncCallback;
const sp<MockHandler> mHandler;
};
struct MockVSyncDispatch : scheduler::VSyncDispatch {
MOCK_METHOD(CallbackToken, registerCallback, (Callback, std::string), (override));
MOCK_METHOD(void, unregisterCallback, (CallbackToken), (override));
MOCK_METHOD(scheduler::ScheduleResult, schedule, (CallbackToken, ScheduleTiming), (override));
MOCK_METHOD(scheduler::CancelResult, cancel, (CallbackToken token), (override));
MOCK_METHOD(void, dump, (std::string&), (const, override));
};
struct MockTokenManager : frametimeline::TokenManager {
MOCK_METHOD1(generateTokenForPredictions, int64_t(frametimeline::TimelineItem&& prediction));
MOCK_CONST_METHOD1(getPredictionsForToken, std::optional<frametimeline::TimelineItem>(int64_t));
};
struct MessageQueueTest : testing::Test {
void SetUp() override {
EXPECT_CALL(mVSyncDispatch, registerCallback(_, "sf")).WillOnce(Return(mCallbackToken));
EXPECT_NO_FATAL_FAILURE(mEventQueue.initVsync(mVSyncDispatch, mTokenManager, mDuration));
EXPECT_CALL(mVSyncDispatch, unregisterCallback(mCallbackToken)).Times(1);
}
MockVSyncDispatch mVSyncDispatch;
MockTokenManager mTokenManager;
TestableMessageQueue mEventQueue;
const CallbackToken mCallbackToken{5};
constexpr static auto mDuration = std::chrono::nanoseconds(100ms);
constexpr static auto mDifferentDuration = std::chrono::nanoseconds(250ms);
};
namespace {
/* ------------------------------------------------------------------------
* Test cases
*/
TEST_F(MessageQueueTest, commit) {
const auto timing = scheduler::VSyncDispatch::ScheduleTiming{.workDuration = mDuration.count(),
.readyDuration = 0,
.earliestVsync = 0};
EXPECT_FALSE(mEventQueue.getScheduledFrameTime());
EXPECT_CALL(mVSyncDispatch, schedule(mCallbackToken, timing)).WillOnce(Return(1234));
EXPECT_NO_FATAL_FAILURE(mEventQueue.scheduleFrame());
ASSERT_TRUE(mEventQueue.getScheduledFrameTime());
EXPECT_EQ(1234, mEventQueue.getScheduledFrameTime()->time_since_epoch().count());
}
TEST_F(MessageQueueTest, commitTwice) {
InSequence s;
const auto timing = scheduler::VSyncDispatch::ScheduleTiming{.workDuration = mDuration.count(),
.readyDuration = 0,
.earliestVsync = 0};
EXPECT_CALL(mVSyncDispatch, schedule(mCallbackToken, timing)).WillOnce(Return(1234));
EXPECT_NO_FATAL_FAILURE(mEventQueue.scheduleFrame());
ASSERT_TRUE(mEventQueue.getScheduledFrameTime());
EXPECT_EQ(1234, mEventQueue.getScheduledFrameTime()->time_since_epoch().count());
EXPECT_CALL(mVSyncDispatch, schedule(mCallbackToken, timing)).WillOnce(Return(4567));
EXPECT_NO_FATAL_FAILURE(mEventQueue.scheduleFrame());
ASSERT_TRUE(mEventQueue.getScheduledFrameTime());
EXPECT_EQ(4567, mEventQueue.getScheduledFrameTime()->time_since_epoch().count());
}
TEST_F(MessageQueueTest, commitTwiceWithCallback) {
InSequence s;
const auto timing = scheduler::VSyncDispatch::ScheduleTiming{.workDuration = mDuration.count(),
.readyDuration = 0,
.earliestVsync = 0};
EXPECT_CALL(mVSyncDispatch, schedule(mCallbackToken, timing)).WillOnce(Return(1234));
EXPECT_NO_FATAL_FAILURE(mEventQueue.scheduleFrame());
ASSERT_TRUE(mEventQueue.getScheduledFrameTime());
EXPECT_EQ(1234, mEventQueue.getScheduledFrameTime()->time_since_epoch().count());
const auto startTime = 100;
const auto endTime = startTime + mDuration.count();
const auto presentTime = 500;
const auto vsyncId = 42;
EXPECT_CALL(mTokenManager,
generateTokenForPredictions(
frametimeline::TimelineItem(startTime, endTime, presentTime)))
.WillOnce(Return(vsyncId));
EXPECT_CALL(*mEventQueue.mHandler, dispatchFrame(vsyncId, presentTime)).Times(1);
EXPECT_NO_FATAL_FAILURE(mEventQueue.vsyncCallback(presentTime, startTime, endTime));
EXPECT_FALSE(mEventQueue.getScheduledFrameTime());
const auto timingAfterCallback =
scheduler::VSyncDispatch::ScheduleTiming{.workDuration = mDuration.count(),
.readyDuration = 0,
.earliestVsync = presentTime};
EXPECT_CALL(mVSyncDispatch, schedule(mCallbackToken, timingAfterCallback)).WillOnce(Return(0));
EXPECT_NO_FATAL_FAILURE(mEventQueue.scheduleFrame());
}
TEST_F(MessageQueueTest, commitWithDurationChange) {
EXPECT_NO_FATAL_FAILURE(mEventQueue.setDuration(mDifferentDuration));
const auto timing =
scheduler::VSyncDispatch::ScheduleTiming{.workDuration = mDifferentDuration.count(),
.readyDuration = 0,
.earliestVsync = 0};
EXPECT_CALL(mVSyncDispatch, schedule(mCallbackToken, timing)).WillOnce(Return(0));
EXPECT_NO_FATAL_FAILURE(mEventQueue.scheduleFrame());
}
} // namespace
} // namespace android
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