/* retainAll.java -- Checks functionality in retainAll()
Copyright (C) 2006 Roman Kennke (kennke@aicas.com)
This file is part of Mauve.
Mauve is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
Mauve is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with Mauve; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.
*/
// Tags: JDK1.2
package gnu.testlet.java.util.Vector;
import java.util.Vector;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
public class retainAll implements Testlet
{
public void test(TestHarness harness)
{
testNull(harness);
}
/**
* Checks if and when null arguments to removeAll() are allowed.
*
* @param h the test harness
*/
private void testNull(TestHarness h)
{
// Check empty vector.
Vector v = new Vector();
v.removeAll(null);
h.check(true); // If we got here, there was no NPE.
// Check non-empty vector.
v.add(new Object());
try
{
v.retainAll(null);
h.fail("NPE should be thrown");
}
catch (NullPointerException ex)
{
h.check(true);
}
}
}