55 lines
1.6 KiB
C++
55 lines
1.6 KiB
C++
// Copyright 2020 The Pigweed Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not
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// use this file except in compliance with the License. You may obtain a copy of
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// the License at
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//
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// https://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, WITHOUT
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// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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// License for the specific language governing permissions and limitations under
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// the License.
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#include <chrono>
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#include "gtest/gtest.h"
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#include "pw_sync/thread_notification.h"
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namespace pw::sync {
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namespace {
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TEST(ThreadNotification, EmptyInitialState) {
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ThreadNotification notification;
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EXPECT_FALSE(notification.try_acquire());
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}
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// TODO(pwbug/291): Add real concurrency tests.
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TEST(ThreadNotification, Release) {
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ThreadNotification notification;
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notification.release();
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notification.release();
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notification.acquire();
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// Ensure it fails when empty.
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EXPECT_FALSE(notification.try_acquire());
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}
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ThreadNotification empty_initial_notification;
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TEST(ThreadNotification, EmptyInitialStateStatic) {
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EXPECT_FALSE(empty_initial_notification.try_acquire());
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}
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ThreadNotification raise_notification;
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TEST(ThreadNotification, ReleaseStatic) {
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raise_notification.release();
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raise_notification.release();
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raise_notification.acquire();
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// Ensure it fails when empty.
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EXPECT_FALSE(raise_notification.try_acquire());
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}
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} // namespace
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} // namespace pw::sync
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