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v811_spc009/frameworks/native/services/surfaceflinger/tests/unittests/SetFrameRateTest.cpp

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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 <gui/LayerMetadata.h>
// TODO(b/129481165): remove the #pragma below and fix conversion issues
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wconversion"
#include "BufferQueueLayer.h"
#include "BufferStateLayer.h"
#include "EffectLayer.h"
#include "Layer.h"
// TODO(b/129481165): remove the #pragma below and fix conversion issues
#pragma clang diagnostic pop // ignored "-Wconversion"
#include "TestableSurfaceFlinger.h"
#include "mock/DisplayHardware/MockComposer.h"
#include "mock/MockEventThread.h"
#include "mock/MockMessageQueue.h"
#include "mock/MockVsyncController.h"
namespace android {
using testing::_;
using testing::DoAll;
using testing::Mock;
using testing::Return;
using testing::SetArgPointee;
using android::Hwc2::IComposer;
using android::Hwc2::IComposerClient;
using FakeHwcDisplayInjector = TestableSurfaceFlinger::FakeHwcDisplayInjector;
using FrameRate = Layer::FrameRate;
using FrameRateCompatibility = Layer::FrameRateCompatibility;
class LayerFactory {
public:
virtual ~LayerFactory() = default;
virtual std::string name() = 0;
virtual sp<Layer> createLayer(TestableSurfaceFlinger& flinger) = 0;
protected:
static constexpr uint32_t WIDTH = 100;
static constexpr uint32_t HEIGHT = 100;
static constexpr uint32_t LAYER_FLAGS = 0;
};
class BufferQueueLayerFactory : public LayerFactory {
public:
std::string name() override { return "BufferQueueLayer"; }
sp<Layer> createLayer(TestableSurfaceFlinger& flinger) override {
sp<Client> client;
LayerCreationArgs args(flinger.flinger(), client, "buffer-queue-layer", WIDTH, HEIGHT,
LAYER_FLAGS, LayerMetadata());
return new BufferQueueLayer(args);
}
};
class BufferStateLayerFactory : public LayerFactory {
public:
std::string name() override { return "BufferStateLayer"; }
sp<Layer> createLayer(TestableSurfaceFlinger& flinger) override {
sp<Client> client;
LayerCreationArgs args(flinger.flinger(), client, "buffer-state-layer", WIDTH, HEIGHT,
LAYER_FLAGS, LayerMetadata());
return new BufferStateLayer(args);
}
};
class EffectLayerFactory : public LayerFactory {
public:
std::string name() override { return "EffectLayer"; }
sp<Layer> createLayer(TestableSurfaceFlinger& flinger) override {
sp<Client> client;
LayerCreationArgs args(flinger.flinger(), client, "color-layer", WIDTH, HEIGHT, LAYER_FLAGS,
LayerMetadata());
return new EffectLayer(args);
}
};
std::string PrintToStringParamName(
const ::testing::TestParamInfo<std::shared_ptr<LayerFactory>>& info) {
return info.param->name();
}
/**
* This class tests the behaviour of Layer::SetFrameRate and Layer::GetFrameRate
*/
class SetFrameRateTest : public ::testing::TestWithParam<std::shared_ptr<LayerFactory>> {
protected:
const FrameRate FRAME_RATE_VOTE1 = FrameRate(Fps(67.f), FrameRateCompatibility::Default);
const FrameRate FRAME_RATE_VOTE2 =
FrameRate(Fps(14.f), FrameRateCompatibility::ExactOrMultiple);
const FrameRate FRAME_RATE_VOTE3 = FrameRate(Fps(99.f), FrameRateCompatibility::NoVote);
const FrameRate FRAME_RATE_TREE = FrameRate(Fps(0.f), FrameRateCompatibility::NoVote);
const FrameRate FRAME_RATE_NO_VOTE = FrameRate(Fps(0.f), FrameRateCompatibility::Default);
SetFrameRateTest();
void setupScheduler();
void addChild(sp<Layer> layer, sp<Layer> child);
void removeChild(sp<Layer> layer, sp<Layer> child);
void commitTransaction();
TestableSurfaceFlinger mFlinger;
mock::MessageQueue* mMessageQueue = new mock::MessageQueue();
std::vector<sp<Layer>> mLayers;
};
SetFrameRateTest::SetFrameRateTest() {
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());
mFlinger.mutableUseFrameRateApi() = true;
setupScheduler();
mFlinger.setupComposer(std::make_unique<Hwc2::mock::Composer>());
mFlinger.mutableEventQueue().reset(mMessageQueue);
}
void SetFrameRateTest::addChild(sp<Layer> layer, sp<Layer> child) {
layer.get()->addChild(child.get());
}
void SetFrameRateTest::removeChild(sp<Layer> layer, sp<Layer> child) {
layer.get()->removeChild(child.get());
}
void SetFrameRateTest::commitTransaction() {
for (auto layer : mLayers) {
auto c = layer->getDrawingState();
layer->commitTransaction(c);
}
}
void SetFrameRateTest::setupScheduler() {
auto eventThread = std::make_unique<mock::EventThread>();
auto sfEventThread = std::make_unique<mock::EventThread>();
EXPECT_CALL(*eventThread, registerDisplayEventConnection(_));
EXPECT_CALL(*eventThread, createEventConnection(_, _))
.WillOnce(Return(new EventThreadConnection(eventThread.get(), /*callingUid=*/0,
ResyncCallback())));
EXPECT_CALL(*sfEventThread, registerDisplayEventConnection(_));
EXPECT_CALL(*sfEventThread, createEventConnection(_, _))
.WillOnce(Return(new EventThreadConnection(sfEventThread.get(), /*callingUid=*/0,
ResyncCallback())));
auto vsyncController = std::make_unique<mock::VsyncController>();
auto vsyncTracker = std::make_unique<mock::VSyncTracker>();
EXPECT_CALL(*vsyncTracker, nextAnticipatedVSyncTimeFrom(_)).WillRepeatedly(Return(0));
EXPECT_CALL(*vsyncTracker, currentPeriod())
.WillRepeatedly(Return(FakeHwcDisplayInjector::DEFAULT_VSYNC_PERIOD));
EXPECT_CALL(*vsyncTracker, nextAnticipatedVSyncTimeFrom(_)).WillRepeatedly(Return(0));
mFlinger.setupScheduler(std::move(vsyncController), std::move(vsyncTracker),
std::move(eventThread), std::move(sfEventThread), /*callback*/ nullptr,
/*hasMultipleModes*/ true);
}
namespace {
/* ------------------------------------------------------------------------
* Test cases
*/
TEST_P(SetFrameRateTest, SetAndGet) {
EXPECT_CALL(*mMessageQueue, invalidate()).Times(1);
const auto& layerFactory = GetParam();
auto layer = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
layer->setFrameRate(FRAME_RATE_VOTE1);
commitTransaction();
EXPECT_EQ(FRAME_RATE_VOTE1, layer->getFrameRateForLayerTree());
}
TEST_P(SetFrameRateTest, SetAndGetParent) {
EXPECT_CALL(*mMessageQueue, invalidate()).Times(1);
const auto& layerFactory = GetParam();
auto parent = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
auto child1 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
auto child2 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
addChild(parent, child1);
addChild(child1, child2);
child2->setFrameRate(FRAME_RATE_VOTE1);
commitTransaction();
EXPECT_EQ(FRAME_RATE_TREE, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_TREE, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE1, child2->getFrameRateForLayerTree());
child2->setFrameRate(FRAME_RATE_NO_VOTE);
commitTransaction();
EXPECT_EQ(FRAME_RATE_NO_VOTE, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child2->getFrameRateForLayerTree());
}
TEST_P(SetFrameRateTest, SetAndGetParentAllVote) {
EXPECT_CALL(*mMessageQueue, invalidate()).Times(1);
const auto& layerFactory = GetParam();
auto parent = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
auto child1 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
auto child2 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
addChild(parent, child1);
addChild(child1, child2);
child2->setFrameRate(FRAME_RATE_VOTE1);
child1->setFrameRate(FRAME_RATE_VOTE2);
parent->setFrameRate(FRAME_RATE_VOTE3);
commitTransaction();
EXPECT_EQ(FRAME_RATE_VOTE3, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE2, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE1, child2->getFrameRateForLayerTree());
child2->setFrameRate(FRAME_RATE_NO_VOTE);
commitTransaction();
EXPECT_EQ(FRAME_RATE_VOTE3, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE2, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE2, child2->getFrameRateForLayerTree());
child1->setFrameRate(FRAME_RATE_NO_VOTE);
commitTransaction();
EXPECT_EQ(FRAME_RATE_VOTE3, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE3, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE3, child2->getFrameRateForLayerTree());
parent->setFrameRate(FRAME_RATE_NO_VOTE);
commitTransaction();
EXPECT_EQ(FRAME_RATE_NO_VOTE, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child2->getFrameRateForLayerTree());
}
TEST_P(SetFrameRateTest, SetAndGetChild) {
EXPECT_CALL(*mMessageQueue, invalidate()).Times(1);
const auto& layerFactory = GetParam();
auto parent = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
auto child1 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
auto child2 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
addChild(parent, child1);
addChild(child1, child2);
parent->setFrameRate(FRAME_RATE_VOTE1);
commitTransaction();
EXPECT_EQ(FRAME_RATE_VOTE1, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE1, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE1, child2->getFrameRateForLayerTree());
parent->setFrameRate(FRAME_RATE_NO_VOTE);
commitTransaction();
EXPECT_EQ(FRAME_RATE_NO_VOTE, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child2->getFrameRateForLayerTree());
}
TEST_P(SetFrameRateTest, SetAndGetChildAllVote) {
EXPECT_CALL(*mMessageQueue, invalidate()).Times(1);
const auto& layerFactory = GetParam();
auto parent = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
auto child1 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
auto child2 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
addChild(parent, child1);
addChild(child1, child2);
child2->setFrameRate(FRAME_RATE_VOTE1);
child1->setFrameRate(FRAME_RATE_VOTE2);
parent->setFrameRate(FRAME_RATE_VOTE3);
commitTransaction();
EXPECT_EQ(FRAME_RATE_VOTE3, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE2, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE1, child2->getFrameRateForLayerTree());
parent->setFrameRate(FRAME_RATE_NO_VOTE);
commitTransaction();
EXPECT_EQ(FRAME_RATE_TREE, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE2, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE1, child2->getFrameRateForLayerTree());
child1->setFrameRate(FRAME_RATE_NO_VOTE);
commitTransaction();
EXPECT_EQ(FRAME_RATE_TREE, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_TREE, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE1, child2->getFrameRateForLayerTree());
child2->setFrameRate(FRAME_RATE_NO_VOTE);
commitTransaction();
EXPECT_EQ(FRAME_RATE_NO_VOTE, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child2->getFrameRateForLayerTree());
}
TEST_P(SetFrameRateTest, SetAndGetChildAddAfterVote) {
EXPECT_CALL(*mMessageQueue, invalidate()).Times(1);
const auto& layerFactory = GetParam();
auto parent = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
auto child1 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
auto child2 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
addChild(parent, child1);
parent->setFrameRate(FRAME_RATE_VOTE1);
commitTransaction();
EXPECT_EQ(FRAME_RATE_VOTE1, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE1, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child2->getFrameRateForLayerTree());
addChild(child1, child2);
commitTransaction();
EXPECT_EQ(FRAME_RATE_VOTE1, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE1, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE1, child2->getFrameRateForLayerTree());
parent->setFrameRate(FRAME_RATE_NO_VOTE);
commitTransaction();
EXPECT_EQ(FRAME_RATE_NO_VOTE, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child2->getFrameRateForLayerTree());
}
TEST_P(SetFrameRateTest, SetAndGetChildRemoveAfterVote) {
EXPECT_CALL(*mMessageQueue, invalidate()).Times(1);
const auto& layerFactory = GetParam();
auto parent = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
auto child1 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
auto child2 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
addChild(parent, child1);
addChild(child1, child2);
parent->setFrameRate(FRAME_RATE_VOTE1);
commitTransaction();
EXPECT_EQ(FRAME_RATE_VOTE1, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE1, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE1, child2->getFrameRateForLayerTree());
removeChild(child1, child2);
commitTransaction();
EXPECT_EQ(FRAME_RATE_VOTE1, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE1, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child2->getFrameRateForLayerTree());
parent->setFrameRate(FRAME_RATE_NO_VOTE);
commitTransaction();
EXPECT_EQ(FRAME_RATE_NO_VOTE, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child2->getFrameRateForLayerTree());
}
TEST_P(SetFrameRateTest, SetAndGetParentNotInTree) {
EXPECT_CALL(*mMessageQueue, invalidate()).Times(1);
const auto& layerFactory = GetParam();
auto parent = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
auto child1 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
auto child2 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
auto child2_1 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
addChild(parent, child1);
addChild(child1, child2);
addChild(child1, child2_1);
child2->setFrameRate(FRAME_RATE_VOTE1);
commitTransaction();
EXPECT_EQ(FRAME_RATE_TREE, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_TREE, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE1, child2->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child2_1->getFrameRateForLayerTree());
child2->setFrameRate(FRAME_RATE_NO_VOTE);
commitTransaction();
EXPECT_EQ(FRAME_RATE_NO_VOTE, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child2->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child2_1->getFrameRateForLayerTree());
}
INSTANTIATE_TEST_SUITE_P(PerLayerType, SetFrameRateTest,
testing::Values(std::make_shared<BufferQueueLayerFactory>(),
std::make_shared<BufferStateLayerFactory>(),
std::make_shared<EffectLayerFactory>()),
PrintToStringParamName);
TEST_F(SetFrameRateTest, ValidateFrameRate) {
EXPECT_TRUE(ValidateFrameRate(60.0f, ANATIVEWINDOW_FRAME_RATE_COMPATIBILITY_DEFAULT,
ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS, ""));
EXPECT_TRUE(ValidateFrameRate(60.0f, ANATIVEWINDOW_FRAME_RATE_COMPATIBILITY_DEFAULT,
ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS, ""));
EXPECT_TRUE(ValidateFrameRate(60.0f, ANATIVEWINDOW_FRAME_RATE_COMPATIBILITY_DEFAULT,
ANATIVEWINDOW_CHANGE_FRAME_RATE_ALWAYS, ""));
EXPECT_TRUE(ValidateFrameRate(60.0f, ANATIVEWINDOW_FRAME_RATE_COMPATIBILITY_FIXED_SOURCE,
ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS, ""));
EXPECT_TRUE(ValidateFrameRate(60.0f, ANATIVEWINDOW_FRAME_RATE_EXACT,
ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS, "",
/*privileged=*/true));
EXPECT_FALSE(ValidateFrameRate(-1, ANATIVEWINDOW_FRAME_RATE_COMPATIBILITY_DEFAULT,
ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS, ""));
EXPECT_FALSE(ValidateFrameRate(1.0f / 0.0f, ANATIVEWINDOW_FRAME_RATE_COMPATIBILITY_DEFAULT,
ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS, ""));
EXPECT_FALSE(ValidateFrameRate(0.0f / 0.0f, ANATIVEWINDOW_FRAME_RATE_COMPATIBILITY_DEFAULT,
ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS, ""));
EXPECT_FALSE(ValidateFrameRate(60.0f, ANATIVEWINDOW_FRAME_RATE_EXACT,
ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS, ""));
// Invalid compatibility
EXPECT_FALSE(
ValidateFrameRate(60.0f, -1, ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS, ""));
EXPECT_FALSE(ValidateFrameRate(60.0f, 2, ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS, ""));
// Invalid change frame rate strategy
EXPECT_FALSE(ValidateFrameRate(60.0f, ANATIVEWINDOW_FRAME_RATE_EXACT, -1, ""));
EXPECT_FALSE(ValidateFrameRate(60.0f, ANATIVEWINDOW_FRAME_RATE_EXACT, 2, ""));
}
TEST_P(SetFrameRateTest, SetOnParentActivatesTree) {
const auto& layerFactory = GetParam();
auto parent = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
if (!parent->isVisible()) {
// This is a hack as all the test layers except EffectLayer are not visible,
// but since the logic is unified in Layer, it should be fine.
return;
}
auto child = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
addChild(parent, child);
parent->setFrameRate(FRAME_RATE_VOTE1);
commitTransaction();
mFlinger.mutableScheduler()
.mutableLayerHistory()
->record(parent.get(), 0, 0, LayerHistory::LayerUpdateType::Buffer);
mFlinger.mutableScheduler()
.mutableLayerHistory()
->record(child.get(), 0, 0, LayerHistory::LayerUpdateType::Buffer);
const auto layerHistorySummary =
mFlinger.mutableScheduler().mutableLayerHistory()->summarize(0);
ASSERT_EQ(2u, layerHistorySummary.size());
EXPECT_TRUE(FRAME_RATE_VOTE1.rate.equalsWithMargin(layerHistorySummary[0].desiredRefreshRate));
EXPECT_TRUE(FRAME_RATE_VOTE1.rate.equalsWithMargin(layerHistorySummary[1].desiredRefreshRate));
}
TEST_P(SetFrameRateTest, addChildForParentWithTreeVote) {
EXPECT_CALL(*mMessageQueue, invalidate()).Times(1);
const auto& layerFactory = GetParam();
const auto parent = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
const auto child1 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
const auto child2 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
const auto childOfChild1 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
addChild(parent, child1);
addChild(child1, childOfChild1);
childOfChild1->setFrameRate(FRAME_RATE_VOTE1);
commitTransaction();
EXPECT_EQ(FRAME_RATE_TREE, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_TREE, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE1, childOfChild1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child2->getFrameRateForLayerTree());
addChild(parent, child2);
commitTransaction();
EXPECT_EQ(FRAME_RATE_TREE, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_TREE, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE1, childOfChild1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child2->getFrameRateForLayerTree());
childOfChild1->setFrameRate(FRAME_RATE_NO_VOTE);
commitTransaction();
EXPECT_EQ(FRAME_RATE_NO_VOTE, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, childOfChild1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child2->getFrameRateForLayerTree());
}
} // namespace
} // namespace android
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