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// Copyright (C) 2012-2015 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
#include <config.h>
#include <log/interprocess/interprocess_sync_null.h>
#include <gtest/gtest.h>
using namespace std;
using namespace isc::log::interprocess;
namespace {
TEST(InterprocessSyncNullTest, TestNull) {
InterprocessSyncNull sync("test1");
InterprocessSyncLocker locker(sync);
// Check if the is_locked_ flag is set correctly during lock().
EXPECT_FALSE(locker.isLocked());
EXPECT_TRUE(locker.lock());
EXPECT_TRUE(locker.isLocked());
// lock() must always return true (this is called 4 times, just an
// arbitrary number)
EXPECT_TRUE(locker.lock());
EXPECT_TRUE(locker.lock());
EXPECT_TRUE(locker.lock());
EXPECT_TRUE(locker.lock());
// Check if the is_locked_ flag is set correctly during unlock().
EXPECT_TRUE(locker.isLocked());
EXPECT_TRUE(locker.unlock());
EXPECT_FALSE(locker.isLocked());
// unlock() must always return true (this is called 4 times, just an
// arbitrary number)
EXPECT_TRUE(locker.unlock());
EXPECT_TRUE(locker.unlock());
EXPECT_TRUE(locker.unlock());
EXPECT_TRUE(locker.unlock());
// Check if the is_locked_ flag is set correctly during tryLock().
EXPECT_FALSE(locker.isLocked());
EXPECT_TRUE(locker.tryLock());
EXPECT_TRUE(locker.isLocked());
// tryLock() must always return true (this is called 4 times, just an
// arbitrary number)
EXPECT_TRUE(locker.tryLock());
EXPECT_TRUE(locker.tryLock());
EXPECT_TRUE(locker.tryLock());
EXPECT_TRUE(locker.tryLock());
// Random order (should all return true)
EXPECT_TRUE(locker.unlock());
EXPECT_TRUE(locker.lock());
EXPECT_TRUE(locker.tryLock());
EXPECT_TRUE(locker.lock());
EXPECT_TRUE(locker.unlock());
EXPECT_TRUE(locker.lock());
EXPECT_TRUE(locker.tryLock());
EXPECT_TRUE(locker.unlock());
EXPECT_TRUE(locker.unlock());
}
}
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