/*
* Copyright (c) 2008-2017, Hazelcast, Inc. 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.
*/
package com.hazelcast.nio;
import com.hazelcast.test.HazelcastSerialClassRunner;
import com.hazelcast.test.HazelcastTestSupport;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import static com.hazelcast.nio.UnsafeHelper.findUnsafeIfAllowed;
import static com.hazelcast.nio.UnsafeHelper.isUnalignedAccessAllowed;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
@RunWith(HazelcastSerialClassRunner.class)
@Category(QuickTest.class)
public class UnsafeHelperTest extends HazelcastTestSupport {
private String unsafeMode;
private String arch;
@Before
public void setUp() throws Exception {
unsafeMode = System.getProperty("hazelcast.unsafe.mode");
arch = System.getProperty("os.arch");
}
@After
public void tearDown() throws Exception {
if (unsafeMode != null) {
System.setProperty("hazelcast.unsafe.mode", unsafeMode);
}
if (arch != null) {
System.setProperty("os.arch", arch);
}
}
@Test
public void testConstructor() {
assertUtilityConstructor(UnsafeHelper.class);
}
@Test
public void testFindUnsafeIfAllowed() {
if (isUnalignedAccessAllowed()) {
assertNotNull(findUnsafeIfAllowed());
} else {
assertNull(findUnsafeIfAllowed());
}
}
@Test
public void testFindUnsafeIfAllowed_disabled() {
System.setProperty("hazelcast.unsafe.mode", "disabled");
assertNull(findUnsafeIfAllowed());
}
@Test
public void testFindUnsafeIfAllowed_unalignedOS() {
System.setProperty("os.arch", "unaligned");
assertNull(findUnsafeIfAllowed());
}
@Test
public void testFindUnsafeIfAllowed_unalignedOS_forced() {
System.setProperty("os.arch", "unaligned");
System.setProperty("hazelcast.unsafe.mode", "enforced");
assertNotNull(findUnsafeIfAllowed());
}
}