1 /*
   2  * Copyright (c) 2018, 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 import java.io.File;
  26 import java.lang.module.ModuleDescriptor;
  27 import java.util.Set;
  28 import sun.hotspot.WhiteBox;
  29 
  30 //
  31 // Test archived system module graph when open archive heap objects are mapped:
  32 //
  33 public class CheckArchivedModuleApp {
  34     static WhiteBox wb;
  35     public static void main(String args[]) throws Exception {
  36         wb = WhiteBox.getWhiteBox();
  37 
  38         if (!wb.areOpenArchiveHeapObjectsMapped()) {
  39             System.out.println("Archived open_archive_heap objects are not mapped.");
  40             System.out.println("This may happen during normal operation. Test Skipped.");
  41             return;
  42         }
  43 
  44         boolean expectArchived = "yes".equals(args[0]);
  45         checkModuleDescriptors(expectArchived);
  46     }
  47 
  48     private static void checkModuleDescriptors(boolean expectArchived) {
  49         Set<Module> modules = ModuleLayer.boot().modules();
  50         for (Module m : modules) {
  51             ModuleDescriptor md = m.getDescriptor();
  52             String name = md.name();
  53             if (expectArchived) {
  54                 if (wb.isShared(md)) {
  55                     System.out.println(name + " is archived. Expected.");
  56                 } else {
  57                     throw new RuntimeException(
  58                         "FAILED. " + name + " is not archived. Expect archived.");
  59                 }
  60             } else {
  61                 if (!wb.isShared(md)) {
  62                     System.out.println(name + " is not archived. Expected.");
  63                 } else {
  64                     throw new RuntimeException(
  65                         "FAILED. " + name + " is archived. Expect not archived.");
  66                 }
  67             }
  68         }
  69     }
  70 }