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// Tags: JDK1.5
// Copyright (C) 2010 Andrew John Hughes <gnu_andrew@member.fsf.org>
// 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, 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
package gnu.testlet.java.util.Collection;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
import java.util.Collection;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.Delayed;
import java.util.concurrent.TimeUnit;
/**
* Some tests for the remove() method in the {@link List} interface.
*/
public class Test implements Testlet
{
private TestHarness harness;
/**
* Runs the test using the specified harness.
*
* @param harness the test harness (<code>null</code> not permitted).
*/
public void test(TestHarness harness)
{
this.harness = harness;
testClass(java.util.concurrent.ArrayBlockingQueue.class);
testClass(java.util.ArrayDeque.class);
testClass(java.util.ArrayList.class);
testClass(java.util.concurrent.ConcurrentLinkedQueue.class);
testClass(java.util.concurrent.ConcurrentSkipListSet.class);
testClass(java.util.concurrent.CopyOnWriteArrayList.class);
testClass(java.util.concurrent.CopyOnWriteArraySet.class);
testClass(java.util.concurrent.DelayQueue.class);
testClass(java.util.EnumSet.class);
testClass(java.util.HashSet.class);
testClass(java.util.concurrent.LinkedBlockingQueue.class);
testClass(java.util.LinkedHashSet.class);
testClass(java.util.LinkedList.class);
testClass(java.util.concurrent.PriorityBlockingQueue.class);
testClass(java.util.PriorityQueue.class);
testClass(java.util.Stack.class);
testClass(java.util.concurrent.SynchronousQueue.class);
testClass(java.util.TreeSet.class);
testClass(java.util.Vector.class);
}
/**
* Tests the given {@link java.util.Collection} class.
*
* @param cls the class to test.
*/
public void testClass(Class<? extends Collection> cls)
{
harness.checkPoint(cls.getName());
Collection result = null;
try
{
result = (Collection) cls.newInstance();
}
catch (Exception e)
{
harness.debug(e);
}
if (result != null)
{
testRemove(result);
}
}
/**
* Test the {@link Collection#remove(Object)} method of
* the given collection.
*
* @param coll the collection to test.
*/
public void testRemove(Collection coll)
{
/**
* Use Delayed Object so DelayQueue
* and sorted collections work.
*/
Delayed obj = new Delayed()
{
public long getDelay(TimeUnit unit)
{
return unit.convert(10, TimeUnit.MINUTES);
}
public int compareTo(Delayed o)
{
Long other = o.getDelay(TimeUnit.NANOSECONDS);
return other.compareTo(getDelay(TimeUnit.NANOSECONDS));
}
};
String type = coll.getClass().getName();
harness.check(coll.remove(obj) == false,
"Object is not present in empty " + type);
boolean result = false;
try
{
result = coll.remove(null);
}
catch (NullPointerException e)
{
/* Collection does not support null elements */
}
harness.check(result == false, "Null is not present in empty " + type);
/* Can't do post-addition tests if no capacity */
if (coll instanceof BlockingQueue &&
((BlockingQueue) coll).remainingCapacity() == 0)
return;
coll.add(obj);
harness.check(coll.remove(obj) == true,
"Object is present in non-empty " + type);
result = true;
try
{
coll.add(null);
result = coll.remove(null);
}
catch (NullPointerException e)
{
/* Collection does not support null elements */
}
harness.check(result == true, "Null is present in non-empty " + type);
}
}
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