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/*
* Copyright 2023 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 "Scheduler/VSyncDispatch.h"
#include "mock/MockVSyncDispatch.h"
using namespace testing;
namespace android::scheduler {
class VSyncCallbackRegistrationTest : public Test {
protected:
VSyncDispatch::Callback mCallback = [](nsecs_t, nsecs_t, nsecs_t) {};
std::shared_ptr<mock::VSyncDispatch> mVsyncDispatch = std::make_shared<mock::VSyncDispatch>();
VSyncDispatch::CallbackToken mCallbackToken{7};
std::string mCallbackName = "callback";
std::shared_ptr<mock::VSyncDispatch> mVsyncDispatch2 = std::make_shared<mock::VSyncDispatch>();
VSyncDispatch::CallbackToken mCallbackToken2{42};
std::string mCallbackName2 = "callback2";
void assertDispatch(const VSyncCallbackRegistration& registration,
std::shared_ptr<VSyncDispatch> dispatch) {
ASSERT_EQ(registration.mDispatch, dispatch);
}
void assertToken(const VSyncCallbackRegistration& registration,
const std::optional<VSyncDispatch::CallbackToken>& token) {
ASSERT_EQ(registration.mToken, token);
}
};
TEST_F(VSyncCallbackRegistrationTest, unregistersCallbackOnDestruction) {
// TODO (b/279581095): With ftl::Function, `_` can be replaced with
// `mCallback`, here and in other calls to `registerCallback, since the
// ftl version has an operator==, unlike std::function.
EXPECT_CALL(*mVsyncDispatch, registerCallback(_, mCallbackName))
.WillOnce(Return(mCallbackToken));
EXPECT_CALL(*mVsyncDispatch, unregisterCallback(mCallbackToken)).Times(1);
VSyncCallbackRegistration registration(mVsyncDispatch, mCallback, mCallbackName);
ASSERT_NO_FATAL_FAILURE(assertDispatch(registration, mVsyncDispatch));
ASSERT_NO_FATAL_FAILURE(assertToken(registration, mCallbackToken));
}
TEST_F(VSyncCallbackRegistrationTest, unregistersCallbackOnPointerMove) {
{
InSequence seq;
EXPECT_CALL(*mVsyncDispatch, registerCallback(_, mCallbackName))
.WillOnce(Return(mCallbackToken));
EXPECT_CALL(*mVsyncDispatch2, registerCallback(_, mCallbackName2))
.WillOnce(Return(mCallbackToken2));
EXPECT_CALL(*mVsyncDispatch2, unregisterCallback(mCallbackToken2)).Times(1);
EXPECT_CALL(*mVsyncDispatch, unregisterCallback(mCallbackToken)).Times(1);
}
auto registration =
std::make_unique<VSyncCallbackRegistration>(mVsyncDispatch, mCallback, mCallbackName);
auto registration2 =
std::make_unique<VSyncCallbackRegistration>(mVsyncDispatch2, mCallback, mCallbackName2);
registration2 = std::move(registration);
ASSERT_NO_FATAL_FAILURE(assertDispatch(*registration2.get(), mVsyncDispatch));
ASSERT_NO_FATAL_FAILURE(assertToken(*registration2.get(), mCallbackToken));
}
TEST_F(VSyncCallbackRegistrationTest, unregistersCallbackOnMoveOperator) {
{
InSequence seq;
EXPECT_CALL(*mVsyncDispatch, registerCallback(_, mCallbackName))
.WillOnce(Return(mCallbackToken));
EXPECT_CALL(*mVsyncDispatch2, registerCallback(_, mCallbackName2))
.WillOnce(Return(mCallbackToken2));
EXPECT_CALL(*mVsyncDispatch2, unregisterCallback(mCallbackToken2)).Times(1);
EXPECT_CALL(*mVsyncDispatch, unregisterCallback(mCallbackToken)).Times(1);
}
VSyncCallbackRegistration registration(mVsyncDispatch, mCallback, mCallbackName);
VSyncCallbackRegistration registration2(mVsyncDispatch2, mCallback, mCallbackName2);
registration2 = std::move(registration);
ASSERT_NO_FATAL_FAILURE(assertDispatch(registration, nullptr));
ASSERT_NO_FATAL_FAILURE(assertToken(registration, std::nullopt));
ASSERT_NO_FATAL_FAILURE(assertDispatch(registration2, mVsyncDispatch));
ASSERT_NO_FATAL_FAILURE(assertToken(registration2, mCallbackToken));
}
TEST_F(VSyncCallbackRegistrationTest, moveConstructor) {
EXPECT_CALL(*mVsyncDispatch, registerCallback(_, mCallbackName))
.WillOnce(Return(mCallbackToken));
EXPECT_CALL(*mVsyncDispatch, unregisterCallback(mCallbackToken)).Times(1);
VSyncCallbackRegistration registration(mVsyncDispatch, mCallback, mCallbackName);
VSyncCallbackRegistration registration2(std::move(registration));
ASSERT_NO_FATAL_FAILURE(assertDispatch(registration, nullptr));
ASSERT_NO_FATAL_FAILURE(assertToken(registration, std::nullopt));
ASSERT_NO_FATAL_FAILURE(assertDispatch(registration2, mVsyncDispatch));
ASSERT_NO_FATAL_FAILURE(assertToken(registration2, mCallbackToken));
}
TEST_F(VSyncCallbackRegistrationTest, moveOperatorEqualsSelf) {
EXPECT_CALL(*mVsyncDispatch, registerCallback(_, mCallbackName))
.WillOnce(Return(mCallbackToken));
EXPECT_CALL(*mVsyncDispatch, unregisterCallback(mCallbackToken)).Times(1);
VSyncCallbackRegistration registration(mVsyncDispatch, mCallback, mCallbackName);
// Use a reference so the compiler doesn't realize that registration is
// being moved to itself.
VSyncCallbackRegistration& registrationRef = registration;
registration = std::move(registrationRef);
ASSERT_NO_FATAL_FAILURE(assertDispatch(registration, mVsyncDispatch));
ASSERT_NO_FATAL_FAILURE(assertToken(registration, mCallbackToken));
}
} // namespace android::scheduler
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