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// Copyright 2015 The Cobalt Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "starboard/common/mutex.h"
#include "starboard/configuration.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace starboard {
namespace nplb {
namespace {
TEST(SbMutexAcquireTryTest, SunnyDayUncontended) {
SbMutex mutex;
EXPECT_TRUE(SbMutexCreate(&mutex));
SbMutexResult result = SbMutexAcquireTry(&mutex);
EXPECT_EQ(result, kSbMutexAcquired);
EXPECT_TRUE(SbMutexIsSuccess(result));
EXPECT_TRUE(SbMutexRelease(&mutex));
EXPECT_TRUE(SbMutexDestroy(&mutex));
}
TEST(SbMutexAcquireTest, SunnyDayAutoInit) {
SbMutex mutex = SB_MUTEX_INITIALIZER;
SbMutexResult result = SbMutexAcquireTry(&mutex);
EXPECT_TRUE(SbMutexRelease(&mutex));
EXPECT_TRUE(SbMutexDestroy(&mutex));
}
TEST(SbMutexAcquireTryTest, RainyDayReentrant) {
SbMutex mutex;
EXPECT_TRUE(SbMutexCreate(&mutex));
SbMutexResult result = SbMutexAcquireTry(&mutex);
EXPECT_EQ(result, kSbMutexAcquired);
EXPECT_TRUE(SbMutexIsSuccess(result));
result = SbMutexAcquireTry(&mutex);
EXPECT_EQ(result, kSbMutexBusy);
EXPECT_FALSE(SbMutexIsSuccess(result));
EXPECT_TRUE(SbMutexRelease(&mutex));
EXPECT_TRUE(SbMutexDestroy(&mutex));
}
} // namespace
} // namespace nplb
} // namespace starboard