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

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

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/*

 * @test

 * @summary Redefine shared class. GC should not cause crash with cached resolved_references.

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

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

 * @build sun.hotspot.WhiteBox

 *        RedefineClassApp

 *        InstrumentationClassFileTransformer

 *        InstrumentationRegisterClassFileTransformer

 * @run driver RedefineClassTest

 */

import com.sun.tools.attach.VirtualMachine;

import com.sun.tools.attach.VirtualMachineDescriptor;

import java.io.File;

import java.util.List;

import jdk.test.lib.Asserts;

import jdk.test.lib.cds.CDSOptions;

import jdk.test.lib.process.OutputAnalyzer;

import jdk.test.lib.process.ProcessTools;

public class RedefineClassTest {

    public static String bootClasses[] = {

        "RedefineClassApp$Intf",

        "RedefineClassApp$Bar",

        "sun.hotspot.WhiteBox",

    };

    public static String appClasses[] = {

        "RedefineClassApp",

        "RedefineClassApp$Foo",

    };

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

    public static String agentClasses[] = {

        "InstrumentationClassFileTransformer",

        "InstrumentationRegisterClassFileTransformer",

        "Util",

    };

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

        runTest();

    }

    public static void runTest() throws Throwable {

        String bootJar =

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

        String appJar =

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

        String agentJar =

            ClassFileInstaller.writeJar("InstrumentationAgent.jar",

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

                                        agentClasses);

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

        String agentCmdArg;

        agentCmdArg = "-javaagent:" + agentJar;

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

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

                bootCP,

                "-XX:+UnlockDiagnosticVMOptions",

                "-XX:+WhiteBoxAPI",

                "-Xlog:cds=info",

                agentCmdArg,

               "RedefineClassApp", bootJar, appJar);

        out.reportDiagnosticSummary();

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

        TestCommon.checkExec(out, opts);

    }

}