213 lines
8.9 KiB
C++
213 lines
8.9 KiB
C++
/*
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* Copyright (C) 2021 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <aidl/Gtest.h>
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#include <aidl/Vintf.h>
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#include <aidl/android/automotive/watchdog/BnCarWatchdogClient.h>
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#include <aidl/android/automotive/watchdog/BnResourceOveruseListener.h>
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#include <aidl/android/automotive/watchdog/ICarWatchdog.h>
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#include <aidl/android/automotive/watchdog/ResourceOveruseStats.h>
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#include <aidl/android/automotive/watchdog/ResourceType.h>
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#include <android-base/chrono_utils.h>
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#include <android-base/properties.h>
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#include <android/binder_manager.h>
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#include <android/binder_process.h>
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#include <gmock/gmock.h>
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#include <utils/Condition.h>
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#include <utils/Mutex.h>
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#include <unistd.h>
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#include <future> // NOLINT(build/c++11)
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using ::aidl::android::automotive::watchdog::BnCarWatchdogClient;
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using ::aidl::android::automotive::watchdog::BnResourceOveruseListener;
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using ::aidl::android::automotive::watchdog::ICarWatchdog;
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using ::aidl::android::automotive::watchdog::ResourceOveruseStats;
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using ::aidl::android::automotive::watchdog::ResourceType;
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using ::aidl::android::automotive::watchdog::TimeoutLength;
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using ::android::Condition;
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using ::android::Mutex;
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using ::android::OK;
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using ::ndk::ScopedAStatus;
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using ::ndk::SharedRefBase;
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using ::testing::_;
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using ::testing::InitGoogleTest;
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using ::testing::Invoke;
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using ::testing::Return;
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using ::testing::TestWithParam;
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using ::testing::ValuesIn;
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namespace {
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bool isInQemu() {
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return android::base::GetBoolProperty("ro.boot.qemu", false) ||
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android::base::GetBoolProperty("ro.kernel.qemu", false);
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}
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// Emulators run on QEMU and tend to have significant worse performance than physical devices.
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// In order for emulators to be as test compliant as possible, 15s wait time is used instead of the
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// 6s to account for the emulator's poor performance.
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const std::chrono::nanoseconds kMaxWatchdogPingWaitTimeNs = isInQemu() ? 15s : 6s;
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class MockCarWatchdogClient : public BnCarWatchdogClient {
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public:
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MockCarWatchdogClient() {}
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MOCK_METHOD(ScopedAStatus, checkIfAlive, (int32_t, TimeoutLength), (override));
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MOCK_METHOD(ScopedAStatus, prepareProcessTermination, (), (override));
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void expectCheckIfAlive() {
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EXPECT_CALL(*this, checkIfAlive(_, _))
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.WillOnce(Invoke(
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[&](int32_t sessionId, TimeoutLength timeoutLength) -> ScopedAStatus {
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Mutex::Autolock lock(mMutex);
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mSessionId = sessionId;
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mTimeoutLength = timeoutLength;
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mCond.signal();
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return ScopedAStatus::ok();
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}));
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}
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void waitCheckIfAlive(TimeoutLength expectedTimeoutLength, int32_t* actualSessionId) {
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Mutex::Autolock lock(mMutex);
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ASSERT_THAT(mCond.waitRelative(mMutex, kMaxWatchdogPingWaitTimeNs.count()), OK);
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ASSERT_THAT(mTimeoutLength, expectedTimeoutLength);
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*actualSessionId = mSessionId;
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}
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private:
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Mutex mMutex;
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Condition mCond GUARDED_BY(mMutex);
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int32_t mSessionId GUARDED_BY(mMutex);
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TimeoutLength mTimeoutLength GUARDED_BY(mMutex);
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};
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class MockResourceOveruseListener : public BnResourceOveruseListener {
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public:
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MockResourceOveruseListener() {}
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~MockResourceOveruseListener() {}
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MOCK_METHOD(ndk::ScopedAStatus, onOveruse,
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(const aidl::android::automotive::watchdog::ResourceOveruseStats&), (override));
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};
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} // namespace
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class WatchdogAidlTest : public TestWithParam<std::string> {
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public:
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void SetUp() override {
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watchdogServer = ICarWatchdog::fromBinder(
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ndk::SpAIBinder(AServiceManager_waitForService(GetParam().c_str())));
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ASSERT_NE(watchdogServer.get(), nullptr);
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}
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std::shared_ptr<ICarWatchdog> watchdogServer;
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};
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TEST_P(WatchdogAidlTest, TestWatchdogClient) {
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std::shared_ptr<MockCarWatchdogClient> mockClient =
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SharedRefBase::make<MockCarWatchdogClient>();
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mockClient->expectCheckIfAlive();
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ScopedAStatus status =
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watchdogServer->registerClient(mockClient, TimeoutLength::TIMEOUT_CRITICAL);
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ASSERT_TRUE(status.isOk()) << "Failed to register client: " << status.getMessage();
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int32_t sessionId;
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ASSERT_NO_FATAL_FAILURE(
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mockClient->waitCheckIfAlive(TimeoutLength::TIMEOUT_CRITICAL, &sessionId));
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status = watchdogServer->tellClientAlive(mockClient, sessionId);
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ASSERT_TRUE(status.isOk()) << "Failed to tell client alive: " << status.getMessage();
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status = watchdogServer->unregisterClient(mockClient);
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ASSERT_TRUE(status.isOk()) << "Failed to unregister client: " << status.getMessage();
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}
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TEST_P(WatchdogAidlTest, TestFailsRegisterClientWithNullptrClient) {
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ASSERT_FALSE(watchdogServer->registerClient(nullptr, TimeoutLength::TIMEOUT_CRITICAL).isOk())
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<< "Should fail to register null client";
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}
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TEST_P(WatchdogAidlTest, TestFailsToTellClientAliveForNotRegisteredClient) {
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std::shared_ptr<MockCarWatchdogClient> mockClient =
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SharedRefBase::make<MockCarWatchdogClient>();
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ASSERT_FALSE(watchdogServer->tellClientAlive(mockClient, 0).isOk())
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<< "Should fail tell client alive for not registered client";
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}
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TEST_P(WatchdogAidlTest, TestFailsToUnRegisterNotRegisteredClient) {
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std::shared_ptr<MockCarWatchdogClient> mockClient =
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SharedRefBase::make<MockCarWatchdogClient>();
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ASSERT_FALSE(watchdogServer->unregisterClient(mockClient).isOk())
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<< "Should fail to unregister not registered client";
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}
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TEST_P(WatchdogAidlTest, TestResourceOveruseListener) {
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std::shared_ptr<MockResourceOveruseListener> mockListener =
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SharedRefBase::make<MockResourceOveruseListener>();
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ScopedAStatus status =
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watchdogServer->addResourceOveruseListener({ResourceType::IO}, mockListener);
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ASSERT_TRUE(status.isOk()) << "Failed to add resource overuse listener: "
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<< status.getMessage();
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status = watchdogServer->removeResourceOveruseListener(mockListener);
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ASSERT_TRUE(status.isOk()) << "Failed to remove resource overuse listener: "
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<< status.getMessage();
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}
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TEST_P(WatchdogAidlTest, TestFailsAddResourceOveruseListenerWithNoResourceType) {
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std::shared_ptr<MockResourceOveruseListener> mockListener =
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SharedRefBase::make<MockResourceOveruseListener>();
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ASSERT_FALSE(watchdogServer->addResourceOveruseListener({}, mockListener).isOk())
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<< "Should fail to add resource overuse listener with no resource type";
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}
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TEST_P(WatchdogAidlTest, TestFailsAddResourceOveruseListenerWithNullptrListener) {
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ASSERT_FALSE(watchdogServer->addResourceOveruseListener({ResourceType::IO}, nullptr).isOk())
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<< "Should fail to add null resource overuse listener";
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}
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TEST_P(WatchdogAidlTest, TestFailsToRemoveNotAddedResourceOveruseListener) {
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std::shared_ptr<MockResourceOveruseListener> mockListener =
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SharedRefBase::make<MockResourceOveruseListener>();
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ASSERT_FALSE(watchdogServer->removeResourceOveruseListener(mockListener).isOk())
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<< "Should fail to remote listener that is not added";
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}
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/*
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* getResourceOveruseStats AIDL method is not tested as it requires writing to disk and waiting
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* until the watchdog server has read I/O stats. The waiting duration depends on the watchdog
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* server's performance data collection frequency, which varies between 20 - 60 seconds depending
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* on the build type. The core implementation is tested in ATS with the help of custom performance
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* data collection, which requires dumpsys access and this is not available to VTS. Thus skipping
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* this test in VTS.
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*/
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TEST_P(WatchdogAidlTest, TestFailsGetResourceOveruseStatsWithNoResourceTypes) {
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std::vector<ResourceOveruseStats> resourceOveruseStats;
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ASSERT_FALSE(watchdogServer->getResourceOveruseStats({}, &resourceOveruseStats).isOk())
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<< "Should fail to fetch resource overuse stats with no resource types";
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}
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GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(WatchdogAidlTest);
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INSTANTIATE_TEST_SUITE_P(CarWatchdogServer, WatchdogAidlTest,
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ValuesIn(android::getAidlHalInstanceNames(ICarWatchdog::descriptor)),
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android::PrintInstanceNameToString);
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int main(int argc, char** argv) {
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InitGoogleTest(&argc, argv);
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ABinderProcess_setThreadPoolMaxThreadCount(1);
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ABinderProcess_startThreadPool();
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return RUN_ALL_TESTS();
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}
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