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/**
 * @test
 * @comment the test uses -XX:ArchiveRelocationMode=1 to force relocation.
 * @requires vm.cds
 * @summary Testing relocation of CDS archive (during both dump time and run time)
 * @comment JDK-8231610 Relocate the CDS archive if it cannot be mapped to the requested address
 * @bug 8231610
 * @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds/test-classes
 * @build Hello
 * @run driver ClassFileInstaller -jar hello.jar Hello
 * @run driver ArchiveRelocationTest
 */

import jdk.test.lib.process.OutputAnalyzer;
import jtreg.SkippedException;

public class ArchiveRelocationTest {
    public static void main(String... args) throws Exception {
        try {
            test(true,  false);
            test(false, true);
            test(true,  true);
        } catch (SkippedException s) {
            s.printStackTrace();
            throw new RuntimeException("Archive mapping should always succeed after JDK-8231610 (did the machine run out of memory?)");
        }
    }

    static int caseCount = 0;

    // dump_reloc - force relocation of archive during dump time?
    // run_reloc  - force relocation of archive during run time?
    static void test(boolean dump_reloc, boolean run_reloc) throws Exception {
        caseCount += 1;
        System.out.println("============================================================");
        System.out.println("case = " + caseCount + ", dump = " + dump_reloc
                           + ", run = " + run_reloc);
        System.out.println("============================================================");


        String appJar = ClassFileInstaller.getJarPath("hello.jar");
        String mainClass = "Hello";
        String forceRelocation = "-XX:ArchiveRelocationMode=1";
        String dumpRelocArg = dump_reloc ? forceRelocation : "-showversion";
        String runRelocArg  = run_reloc  ? forceRelocation : "-showversion";
        String logArg = "-Xlog:cds=debug,cds+reloc=debug";
        String unlockArg = "-XX:+UnlockDiagnosticVMOptions";

        OutputAnalyzer out = TestCommon.dump(appJar,
                                             TestCommon.list(mainClass),
                                             unlockArg, dumpRelocArg, logArg);
        if (dump_reloc) {
            out.shouldContain("ArchiveRelocationMode == 1: always allocate class space at an alternative address");
            out.shouldContain("Relocating archive from");
        }

        TestCommon.run("-cp", appJar, unlockArg, runRelocArg, logArg,  mainClass)
            .assertNormalExit(output -> {
                    if (run_reloc) {
                        output.shouldContain("runtime archive relocation start");
                        output.shouldContain("runtime archive relocation done");
                    }
                });
    }
}