CheckUsage.java

/*
 * Copyright 1999 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 4259564
 *
 * @library ../../testlibrary
 * @build TestLibrary JavaVM CheckUsage
 * @run main/othervm CheckUsage
 */

import java.io.ByteArrayOutputStream;

/**
 * Make sure that rmid prints out a correct usage statement when run with an
 * incorrect command line.
 */
public class CheckUsage {
    public static void main(String[] args) {

        System.err.println("\nregression test for 4259564\n");

        JavaVM rmidVM = null;

        try {
            // make sure the registry exits with a proper usage statement
            ByteArrayOutputStream berr = new ByteArrayOutputStream();

            // run a VM to start the registry
            rmidVM = new JavaVM("sun.rmi.server.Activation", "", "foo",
                                    System.out, berr);
            System.err.println("starting rmid");
            rmidVM.start();

            // wait for registry exit
            System.err.println("rmid exited with status: " +
                               rmidVM.getVM().waitFor());
            try {
                Thread.sleep(7000);
            } catch (InterruptedException ie) {
            }

            String usage = new String(berr.toByteArray());

            System.err.println("rmid usage: " + usage);

            if (usage.indexOf("-J<runtime flag>") < 0) {
                TestLibrary.bomb("rmid has incorrect usage message");
            } else {
                System.err.println("test passed");
            }

        } catch (Exception e) {
            TestLibrary.bomb(e);
        } finally {
            rmidVM.destroy();
            rmidVM = null;
        }
    }
}