jdk-24/test/hotspot/jtreg/runtime/cds/appcds/dynamicArchive/TestDynamicRegenerateHolderClasses.java

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/*
 * @test
 * @bug 8255493
 * @summary LambHello World test for regenerate lambda holder classes in dynamic archive
 * @requires vm.cds
 * @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds /test/hotspot/jtreg/runtime/cds/appcds/dynamicArchive/test-classes
 * @build LambHello jdk.test.whitebox.WhiteBox
 * @run driver jdk.test.lib.helpers.ClassFileInstaller -jar lambhello.jar LambHello
 * @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. TestDynamicRegenerateHolderClasses
 */

import jdk.test.lib.helpers.ClassFileInstaller;

public class TestDynamicRegenerateHolderClasses extends DynamicArchiveTestBase {
    static String CHECK_MESSAGES[] = {"java.lang.invoke.Invokers$Holder source: shared objects file (top)",
                                      "java.lang.invoke.DirectMethodHandle$Holder source: shared objects file (top)",
                                      "java.lang.invoke.DelegatingMethodHandle$Holder source: shared objects file (top)",
                                      "java.lang.invoke.LambdaForm$Holder source: shared objects file (top)"};
    public static void main(String[] args) throws Exception {
        runTest(TestDynamicRegenerateHolderClasses::testDefaultBase);
    }

    static void testDefaultBase() throws Exception {
        String topArchiveName = getNewArchiveName("top");
        doTest(topArchiveName);
    }

    private static void doTest(String topArchiveName) throws Exception {
        String appJar = ClassFileInstaller.getJarPath("lambhello.jar");
        String mainClass = "LambHello";
        dump(topArchiveName,
              "-Xlog:cds",
              "-Xlog:cds+dynamic=debug",
              "-cp", appJar, mainClass)
            .assertNormalExit(output -> {
                    output.shouldContain("Written dynamic archive 0x");
                });
        run(topArchiveName,
             "-Xlog:class+load",
             "-Xlog:cds+dynamic=debug,cds=debug,class+load",
             "-cp", appJar, mainClass)
            .assertNormalExit(output -> {
                    output.shouldContain("LambHello source: shared objects file (top)")
                          .shouldHaveExitValue(0);
                    for (String s : CHECK_MESSAGES) {
                          output.shouldContain(s);
                    }
                });
    }
}