/*

 * Copyright (c) 2003, 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

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package nsk.jvmti.SetFieldModificationWatch;

import java.io.PrintStream;

public class setfmodw004 {

    final static int JCK_STATUS_BASE = 95;

    static {

        try {

            System.loadLibrary("setfmodw004");

        } catch (UnsatisfiedLinkError ule) {

            System.err.println("Could not load setfmodw004 library");

            System.err.println("java.library.path:"

                + System.getProperty("java.library.path"));

            throw ule;

        }

    }

    native static void getReady();

    native static void check(int ind);

    native static int getRes();

    static PrintStream out;

    static int result = 0;

    static boolean flag = false;

    static int fld0 = 17;

    static int fld1;

    int fld2 = 18;

    int fld3;

    public static void main(String[] args) {

        args = nsk.share.jvmti.JVMTITest.commonInit(args);

        // produce JCK-like exit status.

        System.exit(run(args, System.out) + JCK_STATUS_BASE);

    }

    public static int run(String argv[], PrintStream ref) {

        out = ref;

        setfmodw004 t = new setfmodw004();

        // access fields first to force cache load

        t.meth(42, 43, 44, 45);

        getReady();

        flag = true;

        t.meth(96, 97, 98, 99);

        return (getRes() | result);

    }

    public void meth(int val0, int val1, int val2, int val3) {

        // test getstatic bytecode for initialized field

        fld0 = val0;

        checkEvent(0);

        if (fld0 != val0) {

            out.println("fld0 value is corrupted: expected=" + val0

                + ", actual=" + fld0);

            result = 2;

        }

        // test getstatic bytecode for uninitialized field

        fld1 = val1;

        checkEvent(1);

        if (fld1 != val1) {

            out.println("fld1 value is corrupted: expected=" + val1

                + ", actual=" + fld1);

            result = 2;

        }

        // test getfield bytecode for initialized field

        fld2 = val2;

        checkEvent(2);

        if (fld2 != val2) {

            out.println("fld2 value is corrupted: expected=" + val2

                + ", actual=" + fld2);

            result = 2;

        }

        // test getfield bytecode for uninitialized field

        fld3 = val3;

        checkEvent(3);

        if (fld3 != val3) {

            out.println("fld3 value is corrupted: expected=" + val3

                + ", actual=" + fld3);

            result = 2;

        }

    }

    static void checkEvent(int ind) {

        if (flag) {

            check(ind);

        }

    }

}