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

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/*
 * @test
 * @bug 8276184
 * @summary Archive an old interface in the base archive and an app class which
 *          uses the old interface via a lambda expression in the dynamic archive.
 *          The lambda proxy class of the app class should be in the dynamic archive.
 * @requires vm.cds
 * @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds /test/hotspot/jtreg/runtime/cds/appcds/test-classes
 * @build LambdaContainsOldInfApp jdk.test.whitebox.WhiteBox OldProvider
 * @run driver jdk.test.lib.helpers.ClassFileInstaller -jar old-inf-base-archive.jar LambdaContainsOldInfApp OldProvider
 * @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. LambdaForOldInfInBaseArchive
 */

import java.io.File;
import jdk.test.lib.cds.CDSOptions;
import jdk.test.lib.cds.CDSTestUtils;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.helpers.ClassFileInstaller;

public class LambdaForOldInfInBaseArchive extends DynamicArchiveTestBase {
    static final String classList = CDSTestUtils.getOutputFileName("classlist");
    static final String appClass = "LambdaContainsOldInfApp";
    static final String baseArchiveClass = "OldProvider";

    public static void main(String[] args) throws Exception {
        runTest(LambdaForOldInfInBaseArchive::testCustomBase);
    }

    static void testCustomBase() throws Exception {
        String topArchiveName = getNewArchiveName("top");
        doTestCustomBase(topArchiveName);
    }

    private static void doTestCustomBase(String topArchiveName) throws Exception {
        String appJar = ClassFileInstaller.getJarPath("old-inf-base-archive.jar");

        // create a custom base archive containing and old interface
        OutputAnalyzer output = TestCommon.dump(appJar,
            TestCommon.list("OldProvider"), "-Xlog:class+load,cds+class=debug");
        TestCommon.checkDump(output);
        // Check that the OldProvider is being dumped into the base archive.
        output.shouldMatch(".cds,class.*klass.*0x.*app.*OldProvider.*unlinked");

        String baseArchiveName = TestCommon.getCurrentArchiveName();

        // create a dynamic archive with the custom base archive.
        // The old interface is in the base archive and will be
        // accessed using a lambda expression of LambdaContainsOldInfApp.
        // The lambda proxy class and the app class will be archived in the dynamic archive.
        dump2(baseArchiveName, topArchiveName,
              "-Xlog:cds,cds+dynamic,class+load,cds+class=debug",
              "-cp", appJar,
              appClass)
            .assertNormalExit(out -> {
                    out.shouldContain("OldProvider source: shared objects file")
                       .shouldMatch("Archiving hidden LambdaContainsOldInfApp[$][$]Lambda*");
                });

        // Run with both base and dynamic archives. The OldProvider class
        // should be loaded from the base archive. The LambdaContainsOldInfApp
        // and its lambda proxy class should be loaded from the dynamic archive.
        run2(baseArchiveName, topArchiveName,
              "-Xlog:cds,cds+dynamic,class+load",
              "-cp", appJar,
              appClass)
            .assertNormalExit(out -> {
                    out.shouldContain("OldProvider source: shared objects file")
                       .shouldContain("LambdaContainsOldInfApp source: shared objects file (top)")
                       .shouldMatch(".class.load. LambdaContainsOldInfApp[$][$]Lambda.*/0x.*source:.*shared.*objects.*file.*(top)");
                });
    }
}