/*
* 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.commons.collections.iterators;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import junit.framework.Test;
import junit.framework.TestSuite;
import org.apache.commons.collections.Unmodifiable;
/**
* Tests the UnmodifiableIterator.
*
* @version $Revision: 646780 $ $Date: 2008-04-10 13:48:07 +0100 (Thu, 10 Apr 2008) $
*
* @author Stephen Colebourne
*/
public class TestUnmodifiableIterator extends AbstractTestIterator {
protected String[] testArray = { "One", "Two", "Three" };
protected List testList = new ArrayList(Arrays.asList(testArray));
public static Test suite() {
return new TestSuite(TestUnmodifiableIterator.class);
}
public TestUnmodifiableIterator(String testName) {
super(testName);
}
public Iterator makeEmptyIterator() {
return UnmodifiableIterator.decorate(Collections.EMPTY_LIST.iterator());
}
public Iterator makeFullIterator() {
return UnmodifiableIterator.decorate(testList.iterator());
}
public boolean supportsRemove() {
return false;
}
//-----------------------------------------------------------------------
public void testIterator() {
assertTrue(makeEmptyIterator() instanceof Unmodifiable);
}
public void testDecorateFactory() {
Iterator it = makeFullIterator();
assertSame(it, UnmodifiableIterator.decorate(it));
it = testList.iterator();
assertTrue(it != UnmodifiableIterator.decorate(it));
try {
UnmodifiableIterator.decorate(null);
fail();
} catch (IllegalArgumentException ex) {}
}
}