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 /*
  26  * @test
  27  * @summary Tests how CDS works when critical library classes are replaced with JVMTI ClassFileLoadHook
  28  * @library /test/lib
  29  * @requires vm.cds.archived.java.heap
  30  * @build sun.hotspot.WhiteBox
  31  * @run driver ClassFileInstaller -jar whitebox.jar sun.hotspot.WhiteBox
  32  * @run main/othervm/native ReplaceCriticalClassesForSubgraphs
  33  */
  34 
  35 public class ReplaceCriticalClassesForSubgraphs extends ReplaceCriticalClasses {
  36     public static void main(String args[]) throws Throwable {
  37         ReplaceCriticalClassesForSubgraphs rcc = new ReplaceCriticalClassesForSubgraphs();
  38         rcc.process(args);
  39     }
  40 
  41     public String[] getTests() {
  42         String tests[] = {
  43             // Try to replace classes that are used by the archived subgraph graphs.
  44             "-early -notshared -subgraph java/lang/module/ResolvedModule jdk.internal.module.ArchivedModuleGraph",
  45             "-early -notshared -subgraph java/lang/Long java.lang.Long$LongCache",
  46             "-subgraph java/lang/Long java.lang.Long$LongCache",
  47         };
  48         return tests;
  49     }
  50 }