Package org.apache.directory.shared.util

Source Code of org.apache.directory.shared.util.ArrayEnumerationTest

/*
*  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 )
        {
        }
    }
}
TOP

Related Classes of org.apache.directory.shared.util.ArrayEnumerationTest

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.