added base class for testing iterators
git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/collections/trunk@130580 13f79535-47bb-0310-9956-ffa450edef68
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/*
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* $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//collections/src/test/org/apache/commons/collections/Attic/TestSingletonIterator.java,v 1.1 2001/08/22 07:43:53 jstrachan Exp $
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* $Revision: 1.1 $
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* $Date: 2001/08/22 07:43:53 $
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*
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* ====================================================================
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*
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* The Apache Software License, Version 1.1
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*
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* Copyright (c) 1999-2001 The Apache Software Foundation. All rights
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* reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. The end-user documentation included with the redistribution, if
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* any, must include the following acknowlegement:
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* "This product includes software developed by the
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* Apache Software Foundation (http://www.apache.org/)."
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* Alternately, this acknowlegement may appear in the software itself,
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* if and wherever such third-party acknowlegements normally appear.
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*
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* 4. The names "The Jakarta Project", "Commons", and "Apache Software
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* Foundation" must not be used to endorse or promote products derived
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* from this software without prior written permission. For written
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* permission, please contact apache@apache.org.
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*
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* 5. Products derived from this software may not be called "Apache"
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* nor may "Apache" appear in their names without prior written
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* permission of the Apache Group.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* ====================================================================
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*
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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*
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*/
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package org.apache.commons.collections;
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import junit.framework.*;
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import java.util.Iterator;
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import java.util.NoSuchElementException;
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/**
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* Tests the SingletonIterator to ensure that the next() method will actually
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* perform the iteration rather than the hasNext() method.
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*
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* @author James Strachan
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* @version $Id: TestSingletonIterator.java,v 1.1 2001/08/22 07:43:53 jstrachan Exp $
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*/
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public class TestSingletonIterator extends TestObject {
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private static final Object testValue = "foo";
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public static Test suite() {
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return new TestSuite(TestSingletonIterator.class);
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}
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public TestSingletonIterator(String testName) {
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super(testName);
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}
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/**
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* Return a new, empty {@link Object} to used for testing.
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*/
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public Object makeObject() {
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return new SingletonIterator( testValue );
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}
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public void testIterator() {
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Iterator iter = (Iterator) makeObject();
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assertTrue( "Iterator has a first item", iter.hasNext() );
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Object iterValue = iter.next();
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assertEquals( "Iteration value is correct", testValue, iterValue );
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assertTrue("Iterator should now be empty", ! iter.hasNext() );
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try {
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Object testValue = iter.next();
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}
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catch (Exception e) {
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assertTrue("NoSuchElementException must be thrown",
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e.getClass().equals((new NoSuchElementException()).getClass()));
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}
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}
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}
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/*
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* $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//collections/src/test/org/apache/commons/collections/Attic/TestSingletonIterator.java,v 1.2 2002/02/25 23:37:48 morgand Exp $
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* $Revision: 1.2 $
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* $Date: 2002/02/25 23:37:48 $
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*
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* ====================================================================
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*
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* The Apache Software License, Version 1.1
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*
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* Copyright (c) 1999-2001 The Apache Software Foundation. All rights
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* reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. The end-user documentation included with the redistribution, if
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* any, must include the following acknowlegement:
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* "This product includes software developed by the
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* Apache Software Foundation (http://www.apache.org/)."
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* Alternately, this acknowlegement may appear in the software itself,
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* if and wherever such third-party acknowlegements normally appear.
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*
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* 4. The names "The Jakarta Project", "Commons", and "Apache Software
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* Foundation" must not be used to endorse or promote products derived
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* from this software without prior written permission. For written
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* permission, please contact apache@apache.org.
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*
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* 5. Products derived from this software may not be called "Apache"
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* nor may "Apache" appear in their names without prior written
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* permission of the Apache Group.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* ====================================================================
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*
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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*
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*/
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package org.apache.commons.collections;
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import junit.framework.*;
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import java.util.Iterator;
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import java.util.NoSuchElementException;
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/**
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* Tests the SingletonIterator to ensure that the next() method will actually
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* perform the iteration rather than the hasNext() method.
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*
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* @author James Strachan
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* @version $Id: TestSingletonIterator.java,v 1.2 2002/02/25 23:37:48 morgand Exp $
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*/
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public class TestSingletonIterator extends TestIterator {
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private static final Object testValue = "foo";
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public static Test suite() {
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return new TestSuite(TestSingletonIterator.class);
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}
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public TestSingletonIterator(String testName) {
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super(testName);
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}
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/**
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* Returns null. SingletonIterators can never be empty;
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* they always have exactly one element.
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*
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* @return null
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*/
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public Iterator makeEmptyIterator() {
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return null;
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}
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public Iterator makeFullIterator() {
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return new SingletonIterator( testValue );
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}
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/**
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* Return a new, empty {@link Object} to used for testing.
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*/
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public Object makeObject() {
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return makeFullIterator();
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}
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/**
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* Whether or not we are testing an iterator that can be
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* empty. SingletonIterators are never empty;
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*
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* @return false
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*/
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public boolean supportsEmptyIterator() {
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return false;
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}
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public void testIterator() {
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Iterator iter = (Iterator) makeObject();
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assertTrue( "Iterator has a first item", iter.hasNext() );
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Object iterValue = iter.next();
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assertEquals( "Iteration value is correct", testValue, iterValue );
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assertTrue("Iterator should now be empty", ! iter.hasNext() );
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try {
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Object testValue = iter.next();
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}
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catch (Exception e) {
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assertTrue("NoSuchElementException must be thrown",
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e.getClass().equals((new NoSuchElementException()).getClass()));
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}
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}
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}
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