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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
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36
src/test/org/apache/commons/collections/TestSingletonIterator.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/Attic/TestSingletonIterator.java,v 1.1 2001/08/22 07:43:53 jstrachan Exp $ * $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: 1.1 $ * $Revision: 1.2 $
* $Date: 2001/08/22 07:43:53 $ * $Date: 2002/02/25 23:37:48 $
* *
* ==================================================================== * ====================================================================
* *
@ -70,9 +70,9 @@ import java.util.NoSuchElementException;
* perform the iteration rather than the hasNext() method. * perform the iteration rather than the hasNext() method.
* *
* @author James Strachan * @author James Strachan
* @version $Id: TestSingletonIterator.java,v 1.1 2001/08/22 07:43:53 jstrachan Exp $ * @version $Id: TestSingletonIterator.java,v 1.2 2002/02/25 23:37:48 morgand Exp $
*/ */
public class TestSingletonIterator extends TestObject { public class TestSingletonIterator extends TestIterator {
private static final Object testValue = "foo"; private static final Object testValue = "foo";
@ -84,11 +84,35 @@ public class TestSingletonIterator extends TestObject {
super(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. * Return a new, empty {@link Object} to used for testing.
*/ */
public Object makeObject() { public Object makeObject() {
return new SingletonIterator( testValue ); 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() { public void testIterator() {