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
This commit is contained in:
Morgan James Delagrange 2002-02-25 23:37:48 +00:00
parent f592daad05
commit 9e1b45941d
1 changed files with 136 additions and 112 deletions

View File

@ -1,112 +1,136 @@
/*
* $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 $
* $Revision: 1.1 $
* $Date: 2001/08/22 07:43:53 $
*
* ====================================================================
*
* 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;
import junit.framework.*;
import java.util.Iterator;
import java.util.NoSuchElementException;
/**
* Tests the SingletonIterator to ensure that the next() method will actually
* perform the iteration rather than the hasNext() method.
*
* @author James Strachan
* @version $Id: TestSingletonIterator.java,v 1.1 2001/08/22 07:43:53 jstrachan Exp $
*/
public class TestSingletonIterator extends TestObject {
private static final Object testValue = "foo";
public static Test suite() {
return new TestSuite(TestSingletonIterator.class);
}
public TestSingletonIterator(String testName) {
super(testName);
}
/**
* Return a new, empty {@link Object} to used for testing.
*/
public Object makeObject() {
return new SingletonIterator( testValue );
}
public void testIterator() {
Iterator iter = (Iterator) makeObject();
assertTrue( "Iterator has a first item", iter.hasNext() );
Object iterValue = iter.next();
assertEquals( "Iteration value is correct", testValue, iterValue );
assertTrue("Iterator should now be empty", ! iter.hasNext() );
try {
Object testValue = iter.next();
}
catch (Exception e) {
assertTrue("NoSuchElementException must be thrown",
e.getClass().equals((new NoSuchElementException()).getClass()));
}
}
}
/*
* $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 $
* $Revision: 1.2 $
* $Date: 2002/02/25 23:37:48 $
*
* ====================================================================
*
* 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;
import junit.framework.*;
import java.util.Iterator;
import java.util.NoSuchElementException;
/**
* Tests the SingletonIterator to ensure that the next() method will actually
* perform the iteration rather than the hasNext() method.
*
* @author James Strachan
* @version $Id: TestSingletonIterator.java,v 1.2 2002/02/25 23:37:48 morgand Exp $
*/
public class TestSingletonIterator extends TestIterator {
private static final Object testValue = "foo";
public static Test suite() {
return new TestSuite(TestSingletonIterator.class);
}
public TestSingletonIterator(String testName) {
super(testName);
}
/**
* Returns null. SingletonIterators can never be empty;
* they always have exactly one element.
*
* @return null
*/
public Iterator makeEmptyIterator() {
return null;
}
public Iterator makeFullIterator() {
return new SingletonIterator( 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() {
Iterator iter = (Iterator) makeObject();
assertTrue( "Iterator has a first item", iter.hasNext() );
Object iterValue = iter.next();
assertEquals( "Iteration value is correct", testValue, iterValue );
assertTrue("Iterator should now be empty", ! iter.hasNext() );
try {
Object testValue = iter.next();
}
catch (Exception e) {
assertTrue("NoSuchElementException must be thrown",
e.getClass().equals((new NoSuchElementException()).getClass()));
}
}
}