/*

 * 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.PopFrame;

import nsk.share.Wicket;

import java.io.PrintStream;

/**

 * This test checks that after popping a method's frame by the JVMTI

 * function <code>PopFrame()</code>:

 * <li>the method arguments will be added back and any changes to

 * the arguments, which occurred in the called method, will remain

 * <li>changes to global state, which occurred in the called method,

 * will remain

 * <li>no JVMTI events are generated by the function <code>PopFrame()</code>

 * <br><br>The test was changed due to the bug 4448675.

 */

public class popframe003 {

    public static final int PASSED = 0;

    public static final int FAILED = 2;

    static final int JCK_STATUS_BASE = 95;

    private popframe003p popFrameClsThr;

    static {

        try {

            System.loadLibrary("popframe003");

        } catch (UnsatisfiedLinkError e) {

            System.err.println("Could not load popframe003 library");

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

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

            throw e;

        }

    }

    public static void main(String[] argv) {

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

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

    }

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

        return new popframe003().runIt(argv, out);

    }

    private int runIt(String argv[], PrintStream out) {

        int retValue = 0;

        // start the child thread

        popFrameClsThr.start();

        popFrameClsThr.startingBarrier.waitFor();

        // pause until the child thread exits notification-block

        synchronized (popFrameClsThr.barrier) {

        }

        if (retValue != PASSED) {

            out.println("TEST: failed to suspend thread");

            return FAILED;

        }

        // pop the frame

        popFrameClsThr.popFrameHasBeenDone();

        if (retValue != PASSED) {

            out.println("TEST: failed to pop frame");

            return FAILED;

        }

        if (retValue != PASSED) {

            out.println("TEST: failed to resume thread");

            return FAILED;

        }

        try {

            popFrameClsThr.join();

        } catch (InterruptedException e) {

            out.println("TEST INCOMPLETE: caught " + e);

            return FAILED;

        }

        /* check that any changes for the static global fields,

         *  which occurred in the called method, remain

         */

        if (popframe003p.bytePubStatGlFld != 2 || popframe003p.shortPubStatGlFld != 3 ||

            popframe003p.intPubStatGlFld != 4 || popframe003p.longPubStatGlFld != 5L ||

            popframe003p.floatPubStatGlFld != 6.2F || popframe003p.doublePubStatGlFld != 7.35D ||

            popframe003p.charPubStatGlFld != 'b' || popframe003p.booleanPubStatGlFld != true ||

            !popframe003p.strPubStatGlFld.equals("sttc glbl fld")) {

            out.println("TEST FAILED: changes for the static fields of a class,\n" +

                "\twhich have been made in the popped frame's method, did not remain:\n" +

                "\tstatic fields values:\n\t\tbytePubStatGlFld=" + popframe003p.bytePubStatGlFld + "\texpected: 2\n" +

                "\t\tshortPubStatGlFld=" + popframe003p.shortPubStatGlFld + "\texpected: 3\n" +

                "\t\tintPubStatGlFld=" + popframe003p.intPubStatGlFld + "\texpected: 4\n" +

                "\t\tlongPubStatGlFld=" + popframe003p.longPubStatGlFld + "\texpected: 5\n" +

                "\t\tfloatPubStatGlFld=" + popframe003p.floatPubStatGlFld + "\texpected: 6.2\n" +

                "\t\tdoublePubStatGlFld=" + popframe003p.doublePubStatGlFld + "\texpected: 7.35\n" +

                "\t\tcharPubStatGlFld='" + popframe003p.charPubStatGlFld + "'\texpected: 'b'\n" +

                "\t\tbooleanPubStatGlFld=" + popframe003p.booleanPubStatGlFld + "\texpected: true\n" +

                "\t\tstrPubStatGlFld=\"" + popframe003p.strPubStatGlFld + "\"\texpected: \"sttc glbl fld\"");

            return FAILED;

        }

        return popframe003p.totRes;

    }

}