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/*
* 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.
*/
#undef LOG_TAG
#define LOG_TAG "LibSurfaceFlingerUnittests"
#define LOG_NDEBUG 0
#include <inttypes.h>
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <log/log.h>
#include "AsyncCallRecorder.h"
#include "Scheduler/DispSyncSource.h"
#include "mock/MockDispSync.h"
namespace android {
namespace {
using namespace std::chrono_literals;
using testing::Return;
class DispSyncSourceTest : public testing::Test, private VSyncSource::Callback {
protected:
DispSyncSourceTest();
~DispSyncSourceTest() override;
void createDispSync();
void createDispSyncSource();
void onVSyncEvent(nsecs_t when, nsecs_t expectedVSyncTimestamp) override;
std::unique_ptr<mock::DispSync> mDispSync;
std::unique_ptr<DispSyncSource> mDispSyncSource;
AsyncCallRecorder<void (*)(nsecs_t)> mVSyncEventCallRecorder;
static constexpr std::chrono::nanoseconds mPhaseOffset = 6ms;
static constexpr int mIterations = 100;
};
DispSyncSourceTest::DispSyncSourceTest() {
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());
}
DispSyncSourceTest::~DispSyncSourceTest() {
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());
}
void DispSyncSourceTest::onVSyncEvent(nsecs_t when, nsecs_t /*expectedVSyncTimestamp*/) {
ALOGD("onVSyncEvent: %" PRId64, when);
mVSyncEventCallRecorder.recordCall(when);
}
void DispSyncSourceTest::createDispSync() {
mDispSync = std::make_unique<mock::DispSync>();
}
void DispSyncSourceTest::createDispSyncSource() {
createDispSync();
mDispSyncSource = std::make_unique<DispSyncSource>(mDispSync.get(), mPhaseOffset.count(), true,
"DispSyncSourceTest");
mDispSyncSource->setCallback(this);
}
/* ------------------------------------------------------------------------
* Test cases
*/
TEST_F(DispSyncSourceTest, createDispSync) {
createDispSync();
EXPECT_TRUE(mDispSync);
}
TEST_F(DispSyncSourceTest, createDispSyncSource) {
createDispSyncSource();
EXPECT_TRUE(mDispSyncSource);
}
TEST_F(DispSyncSourceTest, noCallbackAfterInit) {
createDispSyncSource();
EXPECT_TRUE(mDispSyncSource);
// DispSyncSource starts with Vsync disabled
mDispSync->triggerCallback();
EXPECT_FALSE(mVSyncEventCallRecorder.waitForUnexpectedCall().has_value());
}
TEST_F(DispSyncSourceTest, waitForCallbacks) {
createDispSyncSource();
EXPECT_TRUE(mDispSyncSource);
mDispSyncSource->setVSyncEnabled(true);
EXPECT_EQ(mDispSync->getCallbackPhase(), mPhaseOffset.count());
for (int i = 0; i < mIterations; i++) {
mDispSync->triggerCallback();
EXPECT_TRUE(mVSyncEventCallRecorder.waitForCall().has_value());
}
}
TEST_F(DispSyncSourceTest, waitForCallbacksWithPhaseChange) {
createDispSyncSource();
EXPECT_TRUE(mDispSyncSource);
mDispSyncSource->setVSyncEnabled(true);
EXPECT_EQ(mDispSync->getCallbackPhase(), mPhaseOffset.count());
for (int i = 0; i < mIterations; i++) {
mDispSync->triggerCallback();
EXPECT_TRUE(mVSyncEventCallRecorder.waitForCall().has_value());
}
EXPECT_CALL(*mDispSync, getPeriod()).Times(1).WillOnce(Return(16666666));
mDispSyncSource->setPhaseOffset((mPhaseOffset / 2).count());
EXPECT_EQ(mDispSync->getCallbackPhase(), (mPhaseOffset / 2).count());
for (int i = 0; i < mIterations; i++) {
mDispSync->triggerCallback();
EXPECT_TRUE(mVSyncEventCallRecorder.waitForCall().has_value());
}
}
} // namespace
} // namespace android
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