50 lines
1.2 KiB
C++
50 lines
1.2 KiB
C++
/*
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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/fake_guard.h>
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#include <gtest/gtest.h>
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#include <functional>
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#include <mutex>
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namespace android::test {
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// Keep in sync with example usage in header file.
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TEST(FakeGuard, Example) {
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struct {
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std::mutex mutex;
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int x FTL_ATTRIBUTE(guarded_by(mutex)) = -1;
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int f() {
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{
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ftl::FakeGuard guard(mutex);
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x = 0;
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}
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return FTL_FAKE_GUARD(mutex, x + 1);
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}
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std::function<int()> g() const {
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return [this]() FTL_FAKE_GUARD(mutex) { return x; };
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}
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} s;
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EXPECT_EQ(s.f(), 1);
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EXPECT_EQ(s.g()(), 0);
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}
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} // namespace android::test
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