/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.directory.shared.util;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.util.NoSuchElementException;
import com.mycila.junit.concurrent.Concurrency;
import com.mycila.junit.concurrent.ConcurrentJunitRunner;
import org.apache.directory.shared.util.ArrayEnumeration;
import org.junit.Test;
import org.junit.runner.RunWith;
/**
* Tests the ArrayEnumeration class.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
@RunWith(ConcurrentJunitRunner.class)
@Concurrency()
public class ArrayEnumerationTest
{
@Test
public void testAll()
{
// test with null array
Object[] array = null;
ArrayEnumeration list = new ArrayEnumeration( array );
assertFalse(list.hasMoreElements());
try
{
list.nextElement();
fail("should never get here due to a NoSuchElementException");
}
catch ( NoSuchElementException e )
{
}
// test with empty array
array = new Object[0];
list = new ArrayEnumeration( array );
assertFalse(list.hasMoreElements());
assertFalse(list.hasMoreElements());
try
{
list.nextElement();
fail("should never get here due to a NoSuchElementException");
}
catch ( NoSuchElementException e )
{
}
// test with one object
array = new Object[]
{ new Object() };
list = new ArrayEnumeration( array );
assertTrue(list.hasMoreElements());
assertNotNull(list.nextElement());
assertFalse(list.hasMoreElements());
try
{
list.nextElement();
fail("should never get here due to a NoSuchElementException");
}
catch ( NoSuchElementException e )
{
}
// test with two objects
array = new Object[]
{ new Object(), new Object() };
list = new ArrayEnumeration( array );
assertTrue(list.hasMoreElements());
assertNotNull(list.nextElement());
assertTrue(list.hasMoreElements());
assertNotNull(list.nextElement());
assertFalse(list.hasMoreElements());
try
{
list.nextElement();
fail("should never get here due to a NoSuchElementException");
}
catch ( NoSuchElementException e )
{
}
// test with three elements
array = new Object[]
{ new Object(), new Object(), new Object() };
list = new ArrayEnumeration( array );
assertTrue(list.hasMoreElements());
assertNotNull(list.nextElement());
assertTrue(list.hasMoreElements());
assertNotNull(list.nextElement());
assertTrue(list.hasMoreElements());
assertNotNull(list.nextElement());
assertFalse(list.hasMoreElements());
try
{
list.nextElement();
fail("should never get here due to a NoSuchElementException");
}
catch ( NoSuchElementException e )
{
}
}
}