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From morg...@apache.org
Subject cvs commit: jakarta-commons/collections/src/test/org/apache/commons/collections TestSingletonIterator.java
Date Mon, 25 Feb 2002 23:37:48 GMT
morgand     02/02/25 15:37:48

  Modified:    collections/src/test/org/apache/commons/collections
                        TestSingletonIterator.java
  Log:
  added base class for testing iterators
  
  Revision  Changes    Path
  1.2       +136 -112  jakarta-commons/collections/src/test/org/apache/commons/collections/TestSingletonIterator.java
  
  Index: TestSingletonIterator.java
  ===================================================================
  RCS file: /home/cvs/jakarta-commons/collections/src/test/org/apache/commons/collections/TestSingletonIterator.java,v
  retrieving revision 1.1
  retrieving revision 1.2
  diff -u -r1.1 -r1.2
  --- TestSingletonIterator.java	22 Aug 2001 07:43:53 -0000	1.1
  +++ TestSingletonIterator.java	25 Feb 2002 23:37:48 -0000	1.2
  @@ -1,112 +1,136 @@
  -/*
  - * $Header: /home/cvs/jakarta-commons/collections/src/test/org/apache/commons/collections/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/cvs/jakarta-commons/collections/src/test/org/apache/commons/collections/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()));
  +	}
  +    }
  +}
  +
  
  
  

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