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304 lines
11 KiB
304 lines
11 KiB
/*
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* Copyright (C) 2020 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/hardware/biometrics/fingerprint/BnFingerprint.h>
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#include <aidl/android/hardware/biometrics/fingerprint/BnSessionCallback.h>
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#include <android/binder_manager.h>
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#include <android/binder_process.h>
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#include <chrono>
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#include <future>
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namespace aidl::android::hardware::biometrics::fingerprint {
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namespace {
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using namespace std::literals::chrono_literals;
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constexpr int kSensorId = 0;
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constexpr int kUserId = 0;
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class SessionCallback : public BnSessionCallback {
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public:
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ndk::ScopedAStatus onChallengeGenerated(int64_t challenge) override {
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auto lock = std::lock_guard{mMutex};
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mOnChallengeGeneratedInvoked = true;
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mGeneratedChallenge = challenge;
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mCv.notify_one();
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus onChallengeRevoked(int64_t challenge) override {
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auto lock = std::lock_guard{mMutex};
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mOnChallengeRevokedInvoked = true;
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mRevokedChallenge = challenge;
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mCv.notify_one();
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus onAcquired(AcquiredInfo /*info*/, int32_t /*vendorCode*/) override {
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus onError(Error error, int32_t /*vendorCode*/) override {
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auto lock = std::lock_guard{mMutex};
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mError = error;
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mOnErrorInvoked = true;
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mCv.notify_one();
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus onEnrollmentProgress(int32_t /*enrollmentId*/,
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int32_t /*remaining*/) override {
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus onAuthenticationSucceeded(
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int32_t /*enrollmentId*/, const keymaster::HardwareAuthToken& /*hat*/) override {
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus onAuthenticationFailed() override { return ndk::ScopedAStatus::ok(); }
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ndk::ScopedAStatus onLockoutTimed(int64_t /*durationMillis*/) override {
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus onLockoutPermanent() override { return ndk::ScopedAStatus::ok(); }
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ndk::ScopedAStatus onLockoutCleared() override { return ndk::ScopedAStatus::ok(); }
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ndk::ScopedAStatus onInteractionDetected() override { return ndk::ScopedAStatus::ok(); }
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ndk::ScopedAStatus onEnrollmentsEnumerated(
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const std::vector<int32_t>& /*enrollmentIds*/) override {
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auto lock = std::lock_guard{mMutex};
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mOnEnrollmentsEnumeratedInvoked = true;
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mCv.notify_one();
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus onEnrollmentsRemoved(
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const std::vector<int32_t>& /*enrollmentIds*/) override {
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auto lock = std::lock_guard{mMutex};
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mOnEnrollmentsRemovedInvoked = true;
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mCv.notify_one();
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus onAuthenticatorIdRetrieved(int64_t /*authenticatorId*/) override {
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auto lock = std::lock_guard{mMutex};
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mOnAuthenticatorIdRetrievedInvoked = true;
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mCv.notify_one();
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus onAuthenticatorIdInvalidated(int64_t /*newAuthenticatorId*/) override {
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auto lock = std::lock_guard{mMutex};
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mOnAuthenticatorIdInvalidatedInvoked = true;
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mCv.notify_one();
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus onSessionClosed() override {
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auto lock = std::lock_guard{mMutex};
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mOnSessionClosedInvoked = true;
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mCv.notify_one();
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return ndk::ScopedAStatus::ok();
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}
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std::mutex mMutex;
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std::condition_variable mCv;
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Error mError = Error::UNKNOWN;
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int64_t mGeneratedChallenge = 0;
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int64_t mRevokedChallenge = 0;
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bool mOnChallengeGeneratedInvoked = false;
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bool mOnChallengeRevokedInvoked = false;
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bool mOnErrorInvoked = false;
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bool mOnEnrollmentsEnumeratedInvoked = false;
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bool mOnEnrollmentsRemovedInvoked = false;
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bool mOnAuthenticatorIdRetrievedInvoked = false;
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bool mOnAuthenticatorIdInvalidatedInvoked = false;
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bool mOnSessionClosedInvoked = false;
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};
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class Fingerprint : public testing::TestWithParam<std::string> {
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protected:
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void SetUp() override {
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// Prepare the callback.
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mCb = ndk::SharedRefBase::make<SessionCallback>();
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int retries = 0;
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bool isOk = false;
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// If the first attempt to create a session fails, we try to create a session again. The
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// first attempt might fail if the framework already has an active session. The AIDL
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// contract doesn't allow to create a new session without closing the old one. However, we
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// can't close the framework's session from VTS. The expectation here is that the HAL will
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// crash after the first illegal attempt to create a session, then it will restart, and then
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// we'll be able to create a session.
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do {
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// Get an instance of the HAL.
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AIBinder* binder = AServiceManager_waitForService(GetParam().c_str());
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ASSERT_NE(binder, nullptr);
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mHal = IFingerprint::fromBinder(ndk::SpAIBinder(binder));
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// Create a session.
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isOk = mHal->createSession(kSensorId, kUserId, mCb, &mSession).isOk();
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++retries;
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} while (!isOk && retries < 2);
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ASSERT_TRUE(isOk);
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}
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void TearDown() override {
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// Close the mSession.
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ASSERT_TRUE(mSession->close().isOk());
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// Make sure the mSession is closed.
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auto lock = std::unique_lock<std::mutex>(mCb->mMutex);
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mCb->mCv.wait(lock, [this] { return mCb->mOnSessionClosedInvoked; });
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}
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std::shared_ptr<IFingerprint> mHal;
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std::shared_ptr<SessionCallback> mCb;
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std::shared_ptr<ISession> mSession;
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};
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TEST_P(Fingerprint, GetSensorPropsWorksTest) {
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std::vector<SensorProps> sensorProps;
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// Call the method.
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ASSERT_TRUE(mHal->getSensorProps(&sensorProps).isOk());
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// Make sure the sensorProps aren't empty.
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ASSERT_FALSE(sensorProps.empty());
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ASSERT_FALSE(sensorProps[0].commonProps.componentInfo.empty());
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}
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TEST_P(Fingerprint, EnrollWithBadHatResultsInErrorTest) {
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// Call the method.
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auto hat = keymaster::HardwareAuthToken{};
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std::shared_ptr<common::ICancellationSignal> cancellationSignal;
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ASSERT_TRUE(mSession->enroll(hat, &cancellationSignal).isOk());
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// Make sure an error is returned.
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auto lock = std::unique_lock{mCb->mMutex};
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mCb->mCv.wait(lock, [this] { return mCb->mOnErrorInvoked; });
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}
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TEST_P(Fingerprint, GenerateChallengeProducesUniqueChallengesTest) {
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static constexpr int kIterations = 100;
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auto challenges = std::set<int>{};
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for (unsigned int i = 0; i < kIterations; ++i) {
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// Call the method.
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ASSERT_TRUE(mSession->generateChallenge().isOk());
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// Check that the generated challenge is unique and not 0.
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auto lock = std::unique_lock{mCb->mMutex};
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mCb->mCv.wait(lock, [this] { return mCb->mOnChallengeGeneratedInvoked; });
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ASSERT_NE(mCb->mGeneratedChallenge, 0);
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ASSERT_EQ(challenges.find(mCb->mGeneratedChallenge), challenges.end());
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challenges.insert(mCb->mGeneratedChallenge);
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mCb->mOnChallengeGeneratedInvoked = false;
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}
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}
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TEST_P(Fingerprint, RevokeChallengeWorksForNonexistentChallengeTest) {
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const int64_t nonexistentChallenge = 123;
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// Call the method.
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ASSERT_TRUE(mSession->revokeChallenge(nonexistentChallenge).isOk());
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// Check that the challenge is revoked and matches the requested challenge.
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auto lock = std::unique_lock{mCb->mMutex};
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mCb->mCv.wait(lock, [this] { return mCb->mOnChallengeRevokedInvoked; });
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ASSERT_EQ(mCb->mRevokedChallenge, nonexistentChallenge);
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}
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TEST_P(Fingerprint, RevokeChallengeWorksForExistentChallengeTest) {
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// Generate a challenge.
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ASSERT_TRUE(mSession->generateChallenge().isOk());
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// Wait for the result.
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auto lock = std::unique_lock{mCb->mMutex};
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mCb->mCv.wait(lock, [this] { return mCb->mOnChallengeGeneratedInvoked; });
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lock.unlock();
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// Revoke the challenge.
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ASSERT_TRUE(mSession->revokeChallenge(mCb->mGeneratedChallenge).isOk());
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// Check that the challenge is revoked and matches the requested challenge.
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lock.lock();
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mCb->mCv.wait(lock, [this] { return mCb->mOnChallengeRevokedInvoked; });
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ASSERT_EQ(mCb->mRevokedChallenge, mCb->mGeneratedChallenge);
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}
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TEST_P(Fingerprint, EnumerateEnrollmentsWorksTest) {
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// Call the method.
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ASSERT_TRUE(mSession->enumerateEnrollments().isOk());
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// Wait for the result.
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auto lock = std::unique_lock{mCb->mMutex};
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mCb->mCv.wait(lock, [this] { return mCb->mOnEnrollmentsEnumeratedInvoked; });
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}
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TEST_P(Fingerprint, RemoveEnrollmentsWorksTest) {
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// Call the method.
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ASSERT_TRUE(mSession->removeEnrollments({}).isOk());
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// Wait for the result.
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auto lock = std::unique_lock{mCb->mMutex};
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mCb->mCv.wait(lock, [this] { return mCb->mOnEnrollmentsRemovedInvoked; });
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}
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TEST_P(Fingerprint, GetAuthenticatorIdWorksTest) {
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// Call the method.
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ASSERT_TRUE(mSession->getAuthenticatorId().isOk());
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// Wait for the result.
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auto lock = std::unique_lock{mCb->mMutex};
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mCb->mCv.wait(lock, [this] { return mCb->mOnAuthenticatorIdRetrievedInvoked; });
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}
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TEST_P(Fingerprint, InvalidateAuthenticatorIdWorksTest) {
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// Call the method.
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ASSERT_TRUE(mSession->invalidateAuthenticatorId().isOk());
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// Wait for the result.
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auto lock = std::unique_lock{mCb->mMutex};
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mCb->mCv.wait(lock, [this] { return mCb->mOnAuthenticatorIdInvalidatedInvoked; });
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}
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GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(Fingerprint);
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INSTANTIATE_TEST_SUITE_P(
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IFingerprint, Fingerprint,
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testing::ValuesIn(::android::getAidlHalInstanceNames(IFingerprint::descriptor)),
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::android::PrintInstanceNameToString);
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} // namespace
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} // namespace aidl::android::hardware::biometrics::fingerprint
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int main(int argc, char** argv) {
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::testing::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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