61 lines
1.5 KiB
C++
61 lines
1.5 KiB
C++
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/*
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* Copyright 2022 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 <ftl/shared_mutex.h>
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#include <gtest/gtest.h>
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#include <ftl/fake_guard.h>
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namespace android::test {
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TEST(SharedMutex, SharedLock) {
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ftl::SharedMutex mutex;
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std::shared_lock shared_lock(mutex);
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{ std::shared_lock shared_lock2(mutex); }
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}
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TEST(SharedMutex, ExclusiveLock) {
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ftl::SharedMutex mutex;
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std::unique_lock unique_lock(mutex);
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}
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TEST(SharedMutex, Annotations) {
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struct {
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void foo() FTL_ATTRIBUTE(requires_shared_capability(mutex)) { num++; }
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void bar() FTL_ATTRIBUTE(requires_capability(mutex)) { num++; }
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void baz() {
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std::shared_lock shared_lock(mutex);
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num++;
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}
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ftl::SharedMutex mutex;
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int num = 0;
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} s;
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{
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// TODO(b/257958323): Use an RAII class instead of locking manually.
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s.mutex.lock_shared();
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s.foo();
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s.baz();
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s.mutex.unlock_shared();
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}
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s.mutex.lock();
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s.bar();
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s.mutex.unlock();
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}
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} // namespace android::test
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