jdk-24/test/hotspot/jtreg/runtime/cds/appcds/sharedStrings/SysDictCrash.java

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/*
 * @test
 * @summary Regression test for JDK-8098821
 * @bug 8098821
 * @requires vm.cds.archived.java.heap
 * @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds
 * @run driver SysDictCrash
 */

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

public class SysDictCrash {
    public static void main(String[] args) throws Exception {
        SharedStringsUtils.run(args, SysDictCrash::test);
    }

    public static void test(String[] args) throws Exception {
        String vmOptionsPrefix[] = SharedStringsUtils.getChildVMOptionsPrefix();

        // SharedBaseAddress=0 puts the archive at a very high address, which provokes the crash.
        ProcessBuilder dumpPb = ProcessTools.createTestJvm(
          TestCommon.concat(vmOptionsPrefix,
            "-XX:+UseG1GC", "-XX:MaxRAMPercentage=12.5",
            "-cp", ".",
            "-XX:SharedBaseAddress=0", "-XX:SharedArchiveFile=./SysDictCrash.jsa",
            "-Xshare:dump",
            "-showversion", "-Xlog:cds,cds+hashtables"));

        boolean continueTest = true;
        OutputAnalyzer output = TestCommon.executeAndLog(dumpPb, "dump");
        try {
            TestCommon.checkDump(output);
        } catch (java.lang.RuntimeException re) {
            if (!output.getStdout().contains("UseCompressedOops and UseCompressedClassPointers have been disabled due to")) {
                throw re;
            } else {
                System.out.println("Shared archive was not created due to UseCompressedOops and UseCompressedClassPointers have been disabled.");
                continueTest = false;
            }
        }

        if (!continueTest) {
            return;
        }

        ProcessBuilder runPb = ProcessTools.createTestJvm(
          TestCommon.concat(vmOptionsPrefix,
            "-XX:+UseG1GC", "-XX:MaxRAMPercentage=12.5",
            "-XX:SharedArchiveFile=./SysDictCrash.jsa",
            "-Xshare:on",
            "-version"));

        TestCommon.checkExec(TestCommon.executeAndLog(runPb, "exec"));
    }
}