test/hotspot/jtreg/vmTestbase/nsk/aod/VirtualMachine/VirtualMachine04/VM04Target.java

/*
 * Copyright (c) 2008, 2018, 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
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 * questions.
 */
package nsk.aod.VirtualMachine.VirtualMachine04;

import nsk.share.TestBug;
import nsk.share.aod.DummyTargetApplication;

/*
 * This target application during initialization sets special system property,
 * main test application tries to get this property using VirtualMachine.getSystemProperties()
 */
public class VM04Target extends DummyTargetApplication {

    static String testPropertyKey = "VirtualMachine04_testPropertyKey";

    static String testPropertyValue = "VirtualMachine04_testPropertyValue";

    static String changedTestPropertyValue = "VirtualMachine04_testPropertyValue_changed";

    VM04Target(String[] args) {
        super(args);

        log.display("Setting property " + testPropertyKey + " = " + testPropertyValue);
        System.setProperty(testPropertyKey, testPropertyValue);
    }

    protected void targetApplicationActions() {
        String signal = pipe.readln();
        log.display("Received signal: "  + signal);
        if (!signal.equals(VirtualMachine04.SIGNAL_CHANGE_PROPERTY))
            throw new TestBug("Received unexpected signal: " + signal);

        log.display("Setting property " + testPropertyKey + " = " + changedTestPropertyValue);
        System.setProperty(testPropertyKey, changedTestPropertyValue);

        log.display("Sending signal " + VirtualMachine04.SIGNAL_PROPERTY_CHANGED);
        pipe.println(VirtualMachine04.SIGNAL_PROPERTY_CHANGED);
    }

    public static void main(String[] args) {
        new VM04Target(args).runTargetApplication();
    }
}