implement some TestListIterator tests, hence clearing a TODO

git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/collections/trunk@131011 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Rodney Waldhoff 2003-04-15 00:27:37 +00:00
parent cb320f7403
commit 71a2dba44e
1 changed files with 31 additions and 7 deletions

View File

@ -1,7 +1,7 @@
/* /*
* $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//collections/src/test/org/apache/commons/collections/iterators/Attic/TestListIterator.java,v 1.1 2003/04/13 23:26:09 rwaldhoff Exp $ * $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//collections/src/test/org/apache/commons/collections/iterators/Attic/TestListIterator.java,v 1.2 2003/04/15 00:27:37 rwaldhoff Exp $
* $Revision: 1.1 $ * $Revision: 1.2 $
* $Date: 2003/04/13 23:26:09 $ * $Date: 2003/04/15 00:27:37 $
* *
* ==================================================================== * ====================================================================
* *
@ -60,13 +60,13 @@
*/ */
package org.apache.commons.collections.iterators; package org.apache.commons.collections.iterators;
import java.util.ArrayList;
import java.util.Iterator; import java.util.Iterator;
import java.util.ListIterator; import java.util.ListIterator;
/** /**
* @TODO implement me * @version $Revision: 1.2 $ $Date: 2003/04/15 00:27:37 $
* (Having this type around, even without specific tests, consolidates * @author Rodney Waldhoff
* a bunch of "to dos" of the form "this should extend TestListIterator once
* it exists (see subclasses).
*/ */
public abstract class TestListIterator extends TestIterator { public abstract class TestListIterator extends TestIterator {
@ -86,4 +86,28 @@ public abstract class TestListIterator extends TestIterator {
return makeFullListIterator(); return makeFullListIterator();
} }
// tests
public void testEmptyListIteratorIsIndeedEmpty() {
ListIterator iter = makeEmptyListIterator();
assertTrue(!iter.hasNext());
assertTrue(!iter.hasPrevious());
}
public void testWalkForwardAndBack() {
ArrayList list = new ArrayList();
ListIterator iter = makeFullListIterator();
while(iter.hasNext()) {
list.add(iter.next());
}
for(int i = list.size()-1;i>=0;i--) {
Object obj = list.get(i);
if(null == obj) {
assertNull(iter.previous());
} else {
assertEquals(obj,iter.previous());
}
}
assertTrue(!iter.hasPrevious());
}
} }