/*

 * 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 java.io.File;

import java.net.URL;

import java.net.URLClassLoader;

import sun.hotspot.WhiteBox;

public class UnloadUnregisteredLoader {

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

        String path = args[0];

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

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

        WhiteBox wb = WhiteBox.getWhiteBox();

        String className = "CustomLoadee";

        for (int i=0; i<5; i++) {

            doit(urls, className, (i == 0));

            ClassUnloadCommon.triggerUnloading();

            ClassUnloadCommon.failIf(wb.isClassAlive(className), "should have been unloaded");

        }

    }

  public static void doit(URL urls[], String className, boolean isFirstTime) throws Exception {

        ClassLoader appLoader = UnloadUnregisteredLoader.class.getClassLoader();

        URLClassLoader custLoader = new URLClassLoader(urls, appLoader);

        Class klass = custLoader.loadClass(className);

        WhiteBox wb = WhiteBox.getWhiteBox();

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

            if (isFirstTime) {

                // First time: we should be able to load the class from the CDS archive

                if (!wb.isSharedClass(klass)) {

                    throw new RuntimeException("wb.isSharedClass(klass) should be true for first time");

                }

            } else {

                // Second time:  the class in the CDS archive is not available, because it has not been cleaned

                // up (see bug 8140287), so we must load the class dynamically.

                //

                // FIXME: after 8140287 is fixed, class should be shard regardless of isFirstTime.

                if (wb.isSharedClass(klass)) {

                    throw new RuntimeException("wb.isSharedClass(klass) should be false for second time");

                }

            }

        }

    }

}