jdk/test/hotspot/jtreg/runtime/cds/appcds/jigsaw/module/ModuleOption.java

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/**
 * @test
 * @bug 8316969
 * @summary Test handling of module option (-m).
 * @requires vm.cds.write.archived.java.heap
 * @requires vm.flagless
 * @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds
 * @run driver ModuleOption
 */

import jdk.test.lib.process.OutputAnalyzer;

public class ModuleOption {
    public static void main(String[] args) throws Exception {
        final String moduleOption = "jdk.httpserver/sun.net.httpserver.simpleserver.Main";
        final String incubatorModule = "jdk.incubator.vector";
        final String loggingOption = "-Xlog:aot=debug,cds+module=debug,aot+heap=info,cds=debug,module=trace";
        // Pattern of a module version string.
        // e.g. JDK 22:     "java 22"
        //      JDK 22.0.1: "java 22.0.1"
        final String versionPattern = "java.[0-9][0-9].*";
        final String subgraphCannotBeUsed = "subgraph jdk.internal.module.ArchivedBootLayer cannot be used because full module graph is disabled";
        String archiveName = TestCommon.getNewArchiveName("module-option");
        TestCommon.setCurrentArchiveName(archiveName);

        // dump a base archive with -m jdk.httpserver
        OutputAnalyzer oa = TestCommon.dumpBaseArchive(
            archiveName,
            loggingOption,
            "-m", moduleOption,
            "-version");
        oa.shouldHaveExitValue(0);

        // same module specified during runtime
        oa = TestCommon.execCommon(
            loggingOption,
            "-m", moduleOption,
            "-version");
        oa.shouldHaveExitValue(0)
          // version of the jdk.httpserver module, e.g. java 22-ea
          .shouldMatch(versionPattern)
          .shouldMatch("cds,module.*Restored from archive: entry.0x.*name jdk.httpserver");

        // different module specified during runtime
        oa = TestCommon.execCommon(
            loggingOption,
            "-m", "jdk.compiler/com.sun.tools.javac.Main",
            "-version");
        oa.shouldHaveExitValue(0)
          .shouldContain("Mismatched values for property jdk.module.main: runtime jdk.compiler dump time jdk.httpserver")
          .shouldContain(subgraphCannotBeUsed);

        // no module specified during runtime
        oa = TestCommon.execCommon(
            loggingOption,
            "-version");
        oa.shouldHaveExitValue(0)
          .shouldContain("Mismatched values for property jdk.module.main: jdk.httpserver specified during dump time but not during runtime")
          .shouldContain(subgraphCannotBeUsed);

        // dump an archive without the module option
        archiveName = TestCommon.getNewArchiveName("no-module-option");
        TestCommon.setCurrentArchiveName(archiveName);
        oa = TestCommon.dumpBaseArchive(
            archiveName,
            loggingOption,
            "-version");
        oa.shouldHaveExitValue(0);

        // run with module option
        oa = TestCommon.execCommon(
            loggingOption,
            "-m", moduleOption,
            "-version");
        oa.shouldHaveExitValue(0)
          .shouldContain("Mismatched values for property jdk.module.main: jdk.httpserver specified during runtime but not during dump time")
          // version of the jdk.httpserver module, e.g. java 22-ea
          .shouldMatch(versionPattern)
          .shouldContain(subgraphCannotBeUsed);

        // dump an archive with an incubator module, -m jdk.incubator.vector
        archiveName = TestCommon.getNewArchiveName("incubator-module");
        TestCommon.setCurrentArchiveName(archiveName);
        oa = TestCommon.dumpBaseArchive(
            archiveName,
            loggingOption,
            "-m", incubatorModule,
            "-version");
        oa.shouldHaveExitValue(0)
          // module graph won't be archived with an incubator module
          .shouldContain("archivedBootLayer not available, disabling full module graph");

        // run with the same incubator module
        oa = TestCommon.execCommon(
            loggingOption,
            "-m", incubatorModule,
            "-version");
        oa.shouldContain("full module graph: disabled")
          // module is not restored from archive
          .shouldContain("define_module(): creation of module: jdk.incubator.vector")
          .shouldContain("WARNING: Using incubator modules: jdk.incubator.vector")
          .shouldContain("subgraph jdk.internal.module.ArchivedBootLayer is not recorde")
          .shouldContain("module jdk.incubator.vector does not have a ModuleMainClass attribute, use -m <module>/<main-class>")
          .shouldHaveExitValue(1);
    }
}