/*
* Copyright (C) 2011 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.web.controller.router;
import junit.framework.TestCase;
/**
* @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a>
*/
public class TestBitStack extends TestCase {
public void testSimple() {
BitStack bs = new BitStack();
assertEquals(0, bs.getDepth());
bs.init(2);
bs.push();
assertEquals(1, bs.getDepth());
bs.set(1);
assertFalse(bs.isEmpty());
bs.push();
assertEquals(2, bs.getDepth());
bs.set(0);
assertTrue(bs.isEmpty());
bs.pop();
assertEquals(1, bs.getDepth());
assertFalse(bs.isEmpty());
bs.pop();
assertEquals(0, bs.getDepth());
}
public void testReuse() {
BitStack bs = new BitStack();
bs.init(2);
bs.push();
bs.set(0);
bs.push();
bs.set(1);
assertTrue(bs.isEmpty());
bs.pop();
bs.push();
assertFalse(bs.isEmpty());
}
public void testState() {
BitStack bs = new BitStack();
try {
bs.set(0);
fail();
} catch (IllegalStateException e) {
}
try {
bs.pop();
fail();
} catch (IllegalStateException e) {
}
}
}