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/*
* Copyright (C) 2016 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.
*/
#define LOG_TAG "VtsFwkDisplayServiceV1_0TargetTest"
#include <android/frameworks/displayservice/1.0/IDisplayEventReceiver.h>
#include <android/frameworks/displayservice/1.0/IDisplayService.h>
#include <android/frameworks/displayservice/1.0/IEventCallback.h>
#include <gtest/gtest.h>
#include <hidl/GtestPrinter.h>
#include <hidl/ServiceManagement.h>
#include <log/log.h>
#include <atomic>
#include <chrono>
#include <cmath>
#include <inttypes.h>
#include <thread>
using ::android::frameworks::displayservice::V1_0::IDisplayEventReceiver;
using ::android::frameworks::displayservice::V1_0::IDisplayService;
using ::android::frameworks::displayservice::V1_0::IEventCallback;
using ::android::frameworks::displayservice::V1_0::Status;
using ::android::hardware::Return;
using ::android::hardware::Void;
using ::android::sp;
using namespace ::std::chrono_literals;
#define ASSERT_OK(ret) ASSERT_TRUE((ret).isOk())
#define EXPECT_SUCCESS(retExpr) do { \
Return<Status> retVal = (retExpr); \
ASSERT_OK(retVal); \
EXPECT_EQ(Status::SUCCESS, static_cast<Status>(retVal)); \
} while(false)
#define EXPECT_BAD_VALUE(retExpr) do { \
Return<Status> retVal = (retExpr); \
ASSERT_OK(retVal); \
EXPECT_EQ(Status::BAD_VALUE, static_cast<Status>(retVal)); \
} while(false)
#define MAX_INACCURACY 3
class TestCallback : public IEventCallback {
public:
Return<void> onVsync(uint64_t timestamp, uint32_t count) override {
ALOGE("onVsync: timestamp=%" PRIu64 " count=%d", timestamp, count);
vsyncs++;
return Void();
}
Return<void> onHotplug(uint64_t timestamp, bool connected) override {
ALOGE("onVsync: timestamp=%" PRIu64 " connected=%s", timestamp, connected ? "true" : "false");
hotplugs++;
return Void();
}
std::atomic<int> vsyncs{0};
std::atomic<int> hotplugs{0};
};
class DisplayServiceTest : public ::testing::TestWithParam<std::string> {
public:
virtual void SetUp() override {
sp<IDisplayService> service = IDisplayService::getService(GetParam());
ASSERT_NE(service, nullptr);
Return<sp<IDisplayEventReceiver>> ret = service->getEventReceiver();
ASSERT_OK(ret);
receiver = ret;
ASSERT_NE(receiver, nullptr);
cb = new TestCallback();
EXPECT_SUCCESS(receiver->init(cb));
}
virtual void TearDown() override {
EXPECT_SUCCESS(receiver->close());
}
sp<TestCallback> cb;
sp<IDisplayEventReceiver> receiver;
};
/**
* No vsync events should happen unless you explicitly request one.
*/
TEST_P(DisplayServiceTest, TestAttachRequestVsync) {
EXPECT_EQ(0, cb->vsyncs);
EXPECT_SUCCESS(receiver->requestNextVsync());
std::this_thread::sleep_for(100ms); // framerate is not fixed on Android devices
EXPECT_EQ(1, cb->vsyncs);
}
/**
* Vsync rate respects count.
*/
TEST_P(DisplayServiceTest, TestSetVsyncRate) {
ASSERT_EQ(0, cb->vsyncs);
EXPECT_SUCCESS(receiver->setVsyncRate(1));
std::this_thread::sleep_for(250ms);
int at1 = cb->vsyncs;
cb->vsyncs = 0;
EXPECT_SUCCESS(receiver->setVsyncRate(2));
std::this_thread::sleep_for(250ms);
int at2 = cb->vsyncs;
cb->vsyncs = 0;
EXPECT_SUCCESS(receiver->setVsyncRate(4));
std::this_thread::sleep_for(250ms);
int at4 = cb->vsyncs;
EXPECT_NE(0, at1);
EXPECT_NE(0, at2);
EXPECT_NE(0, at4);
EXPECT_LE(std::abs(at1 - 2 * at2), 2 * MAX_INACCURACY);
EXPECT_LE(std::abs(at1 - 4 * at4), 4 * MAX_INACCURACY);
EXPECT_LE(std::abs(at2 - 2 * at4), 2 * MAX_INACCURACY);
ALOGE("Vsync counts: %d %d %d", at1, at2, at4);
}
/**
* Open/close should return proper error results.
*/
TEST_P(DisplayServiceTest, TestOpenClose) {
EXPECT_BAD_VALUE(receiver->init(cb)); // already opened in SetUp
EXPECT_SUCCESS(receiver->close()); // can close what was originally opened
EXPECT_BAD_VALUE(receiver->close()); // can't close again
EXPECT_SUCCESS(receiver->init(cb)); // open so can close again in SetUp
}
/**
* Vsync must be given a value that is >= 0.
*/
TEST_P(DisplayServiceTest, TestVsync) {
EXPECT_SUCCESS(receiver->setVsyncRate(0));
EXPECT_SUCCESS(receiver->setVsyncRate(5));
EXPECT_SUCCESS(receiver->setVsyncRate(0));
EXPECT_BAD_VALUE(receiver->setVsyncRate(-1));
EXPECT_BAD_VALUE(receiver->setVsyncRate(-1000));
}
INSTANTIATE_TEST_SUITE_P(
PerInstance, DisplayServiceTest,
testing::ValuesIn(android::hardware::getAllHalInstanceNames(IDisplayService::descriptor)),
android::hardware::PrintInstanceNameToString);
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