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Test SingletonListIterator 

git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/collections/trunk@130787 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Stephen Colebourne 2002-08-17 11:39:16 +00:00
parent 702882dd76
commit 8e2ad0efd5
2 changed files with 169 additions and 4 deletions
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9
src/test/org/apache/commons/collections/iterators/TestAll.java
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@ -1,7 +1,7 @@
/*
* $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//collections/src/test/org/apache/commons/collections/iterators/TestAll.java,v 1.1 2002/08/15 23:13:52 pjack Exp $
* $Revision: 1.1 $
* $Date: 2002/08/15 23:13:52 $
* $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//collections/src/test/org/apache/commons/collections/iterators/TestAll.java,v 1.2 2002/08/17 11:39:16 scolebourne Exp $
* $Revision: 1.2 $
* $Date: 2002/08/17 11:39:16 $
*
* ====================================================================
*
@ -68,7 +68,7 @@ import junit.framework.TestSuite;
/**
* Entry point for all Collections tests.
* @author Rodney Waldhoff
* @version $Id: TestAll.java,v 1.1 2002/08/15 23:13:52 pjack Exp $
* @version $Id: TestAll.java,v 1.2 2002/08/17 11:39:16 scolebourne Exp $
*/
public class TestAll extends TestCase {
public TestAll(String testName) {
@ -85,6 +85,7 @@ public class TestAll extends TestCase {
suite.addTest(TestIteratorChain.suite());
suite.addTest(TestListIteratorWrapper.suite());
suite.addTest(TestSingletonIterator.suite());
suite.addTest(TestSingletonListIterator.suite());
suite.addTest(TestUniqueFilterIterator.suite());
return suite;
}

164
src/test/org/apache/commons/collections/iterators/TestSingletonListIterator.java Normal file
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@ -0,0 +1,164 @@
/*
* $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//collections/src/test/org/apache/commons/collections/iterators/TestSingletonListIterator.java,v 1.1 2002/08/17 11:39:16 scolebourne Exp $
* $Revision: 1.1 $
* $Date: 2002/08/17 11:39:16 $
*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999-2001 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Commons", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.commons.collections.iterators;
import junit.framework.*;
import java.util.Iterator;
import java.util.ListIterator;
import java.util.NoSuchElementException;
/**
* Tests the SingletonListIterator.
*
* @author Stephen Colebourne
* @version $Id: TestSingletonListIterator.java,v 1.1 2002/08/17 11:39:16 scolebourne Exp $
*/
public class TestSingletonListIterator extends TestIterator {
private static final Object testValue = "foo";
public static Test suite() {
return new TestSuite(TestSingletonListIterator.class);
}
public TestSingletonListIterator(String testName) {
super(testName);
}
/**
* Returns null. SingletonListIterator can never be empty;
* they always have exactly one element.
*
* @return null
*/
public Iterator makeEmptyIterator() {
return null;
}
public Iterator makeFullIterator() {
return new SingletonListIterator( testValue );
}
/**
* Return a new, empty {@link Object} to used for testing.
*/
public Object makeObject() {
return makeFullIterator();
}
/**
* Whether or not we are testing an iterator that can be
* empty. SingletonIterators are never empty;
*
* @return false
*/
public boolean supportsEmptyIterator() {
return false;
}
public void testIterator() {
ListIterator iter = (ListIterator) makeObject();
assertTrue( "Iterator should have next item", iter.hasNext() );
assertTrue( "Iterator should have no previous item", !iter.hasPrevious() );
assertEquals( "Iteration next index", 0, iter.nextIndex() );
assertEquals( "Iteration previous index", -1, iter.previousIndex() );
Object iterValue = iter.next();
assertEquals( "Iteration value is correct", testValue, iterValue );
assertTrue( "Iterator should have no next item", !iter.hasNext() );
assertTrue( "Iterator should have previous item", iter.hasPrevious() );
assertEquals( "Iteration next index", 1, iter.nextIndex() );
assertEquals( "Iteration previous index", 0, iter.previousIndex() );
iterValue = iter.previous();
assertEquals( "Iteration value is correct", testValue, iterValue );
assertTrue( "Iterator should have next item", iter.hasNext() );
assertTrue( "Iterator should have no previous item", !iter.hasPrevious() );
assertEquals( "Iteration next index", 0, iter.nextIndex() );
assertEquals( "Iteration previous index", -1, iter.previousIndex() );
iterValue = iter.next();
assertEquals( "Iteration value is correct", testValue, iterValue );
assertTrue( "Iterator should have no next item", !iter.hasNext() );
assertTrue( "Iterator should have previous item", iter.hasPrevious() );
assertEquals( "Iteration next index", 1, iter.nextIndex() );
assertEquals( "Iteration previous index", 0, iter.previousIndex() );
try {
iter.next();
} catch (Exception e) {
assertTrue("NoSuchElementException must be thrown",
e.getClass().equals((new NoSuchElementException()).getClass()));
}
iter.previous();
try {
iter.previous();
} catch (Exception e) {
assertTrue("NoSuchElementException must be thrown",
e.getClass().equals((new NoSuchElementException()).getClass()));
}
}
}