1 /*

     2  * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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

    21  * questions.

    22  *

    23  */

    24 

    25 public class JimageClassPackage {

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

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

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

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

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

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

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

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

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

    35         String testcases[][] =

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

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

    38 

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

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

    41 

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

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

    44 

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

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

    47 

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

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

    50 

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

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

    53 

    54         JimageClassPackage test = new JimageClassPackage();

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

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

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

    58         }

    59     }

    60 

    61     private void testPackage (String pkg,

    62                               String shared,

    63                               String nonShared) throws Throwable {

    64         Class c1 = Class.forName(shared);

    65         ClassLoader cl = c1.getClassLoader();

    66         Package pkg_from_loader;

    67         if (cl != null) {

    68             pkg_from_loader = cl.getDefinedPackage(pkg);

    69         } else {

    70             pkg_from_loader = Package.getPackage(pkg);

    71         }

    72 

    73         Package pkg_from_shared_class = c1.getPackage();

    74 

    75         Class c2 = Class.forName(nonShared);

    76         Package pkg_from_nonshared_class = c2.getPackage();

    77 

    78         if (pkg_from_loader != null &&

    79             pkg_from_shared_class != null &&

    80             pkg_from_loader == pkg_from_shared_class &&

    81             pkg_from_shared_class == pkg_from_nonshared_class &&

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

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

    84         } else {

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

    86             System.exit(1);

    87         }

    88         if (pkg_from_shared_class.isSealed()) {

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

    90         } else {

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

    92             System.exit(1);

    93         }

    94     }

    95 }