queuetest.java

适合初学者使用的cms和jxta方面的代码

/*
 * Copyright (c) 2001 Sun Microsystems, Inc.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *       Sun Microsystems, Inc. for Project JXTA."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact Project JXTA at http://www.jxta.org.
 *
 * 5. Products derived from this software may not be called "JXTA",
 *    nor may "JXTA" appear in their name, without prior written
 *    permission of Sun.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of Project JXTA.  For more
 * information on Project JXTA, please see
 * <http://www.jxta.org/>.
 *
 * This license is based on the BSD license adopted by the Apache Foundation.
 *
 * $Id: QueueTest.java,v 1.2 2001/04/14 02:56:52 dac Exp $
 *
 */

package net.jxta.cms.test;

import net.jxta.cms.util.Queue;
import java.util.NoSuchElementException;

public class QueueTest extends Test {
    private int count;

    public static void main(String[] args) throws Throwable {
	new QueueTest().run(args);
    }

    public String getName() {
	return "Queue";
    }

    public void run(String[] args) throws Throwable {
	if (args != null) {
	    if (args[0] != null) {
		count = Integer.parseInt(args[0]);
	    } else {
		count = 1000;
	    }
	}
	p("+ Create queue of " + count + " elements");
	Queue q = new Queue(10, 2);
	for (int i = 0; i < count; i++) {
	    q.add(new Integer(i));
	}
	int total = count;
	count /= 2;
	p("+ Remove and verify the first " + count + " queue elements");
	for (int i = 0; i < count; i++) {
	    Integer n = (Integer)q.remove();
	    if (i != n.intValue()) {
		p("! Remove and verify elements failed: i = " + i);
		break;
	    }
	}
	p("+ Trim queue");
	q.trimToSize();
	p("+ Verify remaining elements");
	for (int i = count; i < total; i++) {
	    Integer n = (Integer)q.remove();
	    if (i != n.intValue()) {
		p("! Verify remaining elements failed: i = " + i);
	    }
	}
    }
}