/*

 * 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

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 */

import java.io.File;

import java.net.URL;

import java.net.URLClassLoader;

import sun.hotspot.WhiteBox;

public class CheckCachedResolvedReferencesApp {

    public static void main(String args[]) throws Exception {

        String path = args[0];

        URL url = new File(path).toURI().toURL();

        URL[] urls = new URL[] {url};

        URLClassLoader loader = new URLClassLoader(urls);

        Class hello = loader.loadClass("Hello");

        System.out.println("Loaded " + hello + " from " + url + " using loader " + loader);

        WhiteBox wb = WhiteBox.getWhiteBox();

        if (!wb.areOpenArchiveHeapObjectsMapped()) {

            System.out.println("Archived open_archive_heap objects are not mapped.");

            System.out.println("This may happen during normal operation. Test Skipped.");

            return;

        }

        // CheckCachedResolvedReferencesApp is shared class and loaded by the

        // AppClassLoader. It should have cached resolved_references.

        if (wb.isSharedClass(CheckCachedResolvedReferencesApp.class)) {

            Object refs1 = wb.getResolvedReferences(CheckCachedResolvedReferencesApp.class);

            if (refs1 != null && wb.isShared(refs1)) {

                System.out.println(

                    "resolved references from CheckCachedResolvedReferencesApp is cached");

            } else {

                throw new RuntimeException(

                    "FAILED. CheckCachedResolvedReferencesApp has no cached resolved references");

            }

        }

        // Hello is shared class and loaded by the 'loader' defined in current app.

        // It should not have cached resolved_references.

        if (wb.isSharedClass(hello)) {

            Object refs2 = wb.getResolvedReferences(hello);

            if (refs2 != null) {

                if (!wb.isShared(refs2)) {

                    System.out.println("resolved references from hello is not cached");

                } else {

                    throw new RuntimeException(

                        "FAILED. Hello has unexpected cached resolved references");

                }

            } else {

                throw new RuntimeException("FAILED. Hello has no resolved references");

            }

        }

    }

}