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 }