/*

 * Copyright (c) 2015, 2019, 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.

 *

 */

public class JimageClassPackage {

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

        // Test Package for boot/app/ext module classes from the "modules" jimage.

        // The following classes are archived. See runtime/AppCDS/Package.java.

        //     java.util.Dictionary (testcase 0),

        //     sun.tools.javac.Main (testcase 1),

        //     jdk.nio.zipfs.ZipInfo (testcase 2),

        //     java.net.URL (testcase 3),

        //     sun.rmi.rmic.Main (testcase 4),

        //     com.sun.jndi.dns.DnsName (testcase 5)

        String testcases[][] =

            {{"Loading shared boot module class first", "java.util",

              "java.util.Dictionary", "java.util.ServiceConfigurationError"},

             {"Loading shared app module class first", "sun.tools.javac",

              "sun.tools.javac.Main", "sun.tools.javac.BatchParser"},

             {"Loading shared ext module class first", "jdk.nio.zipfs",

              "jdk.nio.zipfs.ZipInfo", "jdk.nio.zipfs.ZipPath"},

             {"Loading non-shared boot module class first", "java.net",

              "java.net.HttpCookie", "java.net.URL"},

             {"Loading non-shared app module class first", "sun.rmi.rmic",

              "sun.rmi.rmic.RMIGenerator", "sun.rmi.rmic.Main"},

             {"Loading non-shared ext module class first", "com.sun.jndi.dns",

              "com.sun.jndi.dns.Resolver", "com.sun.jndi.dns.DnsName"}};

        JimageClassPackage test = new JimageClassPackage();

        for (int i = 0; i < testcases.length; i++) {

            System.out.println("Testcase " + i + ": " + testcases[i][0]);

            test.testPackage(testcases[i][1], testcases[i][2], testcases[i][3]);

        }

    }

    private void testPackage (String pkg,

                              String shared,

                              String nonShared) throws Throwable {

        Class c1 = Class.forName(shared);

        ClassLoader cl = c1.getClassLoader();

        Package pkg_from_loader;

        if (cl != null) {

            pkg_from_loader = cl.getDefinedPackage(pkg);

        } else {

            pkg_from_loader = Package.getPackage(pkg);

        }

        Package pkg_from_shared_class = c1.getPackage();

        Class c2 = Class.forName(nonShared);

        Package pkg_from_nonshared_class = c2.getPackage();

        if (pkg_from_loader != null &&

            pkg_from_shared_class != null &&

            pkg_from_loader == pkg_from_shared_class &&

            pkg_from_shared_class == pkg_from_nonshared_class &&

            pkg_from_shared_class.getName().equals(pkg)) {

            System.out.println("Expected package: " + pkg_from_shared_class.toString());

        } else {

            System.out.println("Unexpected package" + pkg_from_shared_class);

            System.exit(1);

        }

        if (pkg_from_shared_class.isSealed()) {

            System.out.println("Package is sealed");

        } else {

            System.out.println("Package is not sealed");

            System.exit(1);

        }

    }

}