test/hotspot/jtreg/runtime/appcds/redefineClass/RedefineRunningMethods_SharedHelper.java

/*
 * Copyright (c) 2016, 2017, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 *
 */

import sun.hotspot.WhiteBox;

/**
 * This class is executed by RedefineRunningMethods_Shared.java in
 * a sub-process.
 */
public class RedefineRunningMethods_SharedHelper {
    public static void main(String[] args) throws Exception {
        // (1) Validate that all classes used by RedefineRunningMethods are all shared.
        WhiteBox wb = WhiteBox.getWhiteBox();
        for (String name : RedefineRunningMethods_Shared.shared_classes) {
            name = name.replace('/', '.');
            Class c = Class.forName(name);
            if (!wb.isSharedClass(c)) {
                throw new RuntimeException("Test set-up problem. " +
                           "This class should be shared but isn't: " + name);
            } else {
                System.out.println("The class is shared as expected: " + name);
            }
        }

        // (2) Run the class redefinition test.
        RedefineRunningMethods.main(args);
    }
}