1 /*

     2  * Copyright (c) 2017, 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 Redefine shared class. GC should not cause crash with cached resolved_references.

    28  * @library /test/lib /test/hotspot/jtreg/runtime/appcds /test/hotspot/jtreg/runtime/appcds/test-classes /test/hotspot/jtreg/runtime/appcds/jvmti

    29  * @requires vm.cds.archived.java.heap

    30  * @modules java.base/jdk.internal.misc

    31  *          jdk.jartool/sun.tools.jar

    32  *          java.management

    33  * @build sun.hotspot.WhiteBox

    34  *        RedefineClassApp

    35  *        InstrumentationClassFileTransformer

    36  *        InstrumentationRegisterClassFileTransformer

    37  * @run driver RedefineClassTest

    38  */

    39 

    40 import com.sun.tools.attach.VirtualMachine;

    41 import com.sun.tools.attach.VirtualMachineDescriptor;

    42 import java.io.File;

    43 import java.util.List;

    44 import jdk.test.lib.Asserts;

    45 import jdk.test.lib.cds.CDSOptions;

    46 import jdk.test.lib.process.OutputAnalyzer;

    47 import jdk.test.lib.process.ProcessTools;

    48 

    49 public class RedefineClassTest {

    50     public static String bootClasses[] = {

    51         "RedefineClassApp$Intf",

    52         "RedefineClassApp$Bar",

    53         "sun.hotspot.WhiteBox",

    54     };

    55     public static String appClasses[] = {

    56         "RedefineClassApp",

    57         "RedefineClassApp$Foo",

    58     };

    59     public static String sharedClasses[] = TestCommon.concat(bootClasses, appClasses);

    60 

    61     public static String agentClasses[] = {

    62         "InstrumentationClassFileTransformer",

    63         "InstrumentationRegisterClassFileTransformer",

    64         "Util",

    65     };

    66 

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

    68         runTest();

    69     }

    70 

    71     public static void runTest() throws Throwable {

    72         String bootJar =

    73             ClassFileInstaller.writeJar("RedefineClassBoot.jar", bootClasses);

    74         String appJar =

    75             ClassFileInstaller.writeJar("RedefineClassApp.jar", appClasses);

    76         String agentJar =

    77             ClassFileInstaller.writeJar("InstrumentationAgent.jar",

    78                                         ClassFileInstaller.Manifest.fromSourceFile("InstrumentationAgent.mf"),

    79                                         agentClasses);

    80 

    81         String bootCP = "-Xbootclasspath/a:" + bootJar;

    82 

    83         String agentCmdArg;

    84         agentCmdArg = "-javaagent:" + agentJar;

    85 

    86         TestCommon.testDump(appJar, sharedClasses, bootCP, "-Xlog:gc+region=trace");

    87 

    88         OutputAnalyzer out = TestCommon.execAuto("-cp", appJar,

    89                 bootCP,

    90                 "-XX:+UnlockDiagnosticVMOptions",

    91                 "-XX:+WhiteBoxAPI",

    92                 "-Xlog:cds=info",

    93                 agentCmdArg,

    94                "RedefineClassApp", bootJar, appJar);

    95         out.reportDiagnosticSummary();

    96 

    97         CDSOptions opts = (new CDSOptions()).setXShareMode("auto");

    98         TestCommon.checkExec(out, opts);

    99     }

   100 }

   101