jdk/test/javax/print/TestRaceCond.java
author jgodinez
Tue, 19 Aug 2008 16:04:06 -0700
changeset 1722 b676952a5943
child 2697 b27edaf0767e
permissions -rw-r--r--
6731826: race condition in UnixPrintServiceLookup Reviewed-by: campbell, tdv

/*
 * Copyright 2008 Sun Microsystems, Inc.  All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */

/*
 * @test
 * @bug 6731826
 * @summary  There should be no RuntimeException.
 * @run main TestRaceCond
 */

import javax.print.PrintService;
import javax.print.PrintServiceLookup;


public class TestRaceCond {

    public static void main(String argv[]) {
        trial();
    }

    static void trial() {
        PrintService pserv1 = PrintServiceLookup.lookupDefaultPrintService();
        PrintService[] pservs = PrintServiceLookup.lookupPrintServices(null, null);
        PrintService pserv2 = PrintServiceLookup.lookupDefaultPrintService();

        if (pserv1.hashCode() != pserv2.hashCode()) {
            throw new RuntimeException("Different hashCodes for equal print "
                            + "services: " + pserv1.hashCode() + " "
                            + pserv2.hashCode());
        }
    }
}