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// Tags: JDK1.4
// Copyright (C) 2004 David Gilbert <david.gilbert@object-refinery.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, 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA. */
package gnu.testlet.java.util.Collections;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class rotate implements Testlet
{
public void test(TestHarness harness)
{
List list1 = new ArrayList();
list1.add("t"); list1.add("a"); list1.add("n"); list1.add("k"); list1.add("s");
List list2 = new ArrayList();
list2.add("s"); list2.add("t"); list2.add("a"); list2.add("n"); list2.add("k");
Collections.rotate(list1, -4);
harness.check(list1.equals(list2)); // check 1
// try an empty list
list1 = new ArrayList();
Collections.rotate(list1, 2);
harness.check(list1.isEmpty()); // check 2
// try a null list
boolean pass = false;
try
{
Collections.rotate(null, 2);
}
catch (NullPointerException e)
{
pass = true;
}
harness.check(pass); // check 3
// try an unmodifiable list
list1 = Collections.unmodifiableList(list1);
pass = false;
try
{
Collections.rotate(null, 2);
}
catch (NullPointerException e)
{
pass = true;
}
harness.check(pass); // check 4
}
}
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