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/**

 * @test

 * @requires vm.cds

 * @library /test/jdk/lib/testlibrary /test/lib /test/hotspot/jtreg/runtime/appcds

 * @modules jdk.compiler

 *          jdk.jartool/sun.tools.jar

 *          jdk.jlink

 * @run main MainModuleOnly

 * @summary Test some scenarios with a main modular jar specified in the --module-path and -cp options in the command line.

 */

import java.io.File;

import java.nio.file.Files;

import java.nio.file.Path;

import java.nio.file.Paths;

import jdk.test.lib.process.OutputAnalyzer;

import jdk.testlibrary.ProcessTools;

public class MainModuleOnly {

    private static final Path USER_DIR = Paths.get(System.getProperty("user.dir"));

    private static final String TEST_SRC = System.getProperty("test.src");

    private static final Path SRC_DIR = Paths.get(TEST_SRC, "src");

    private static final Path MODS_DIR = Paths.get("mods");

    // the module name of the test module

    private static final String TEST_MODULE1 = "com.simple";

    // the module main class

    private static final String MAIN_CLASS = "com.simple.Main";

    private static Path moduleDir = null;

    private static Path moduleDir2 = null;

    private static Path destJar = null;

    public static void buildTestModule() throws Exception {

        // javac -d mods/$TESTMODULE --module-path MOD_DIR src/$TESTMODULE/**

        JarBuilder.compileModule(SRC_DIR.resolve(TEST_MODULE1),

                                 MODS_DIR.resolve(TEST_MODULE1),

                                 MODS_DIR.toString());

        moduleDir = Files.createTempDirectory(USER_DIR, "mlib");

        moduleDir2 = Files.createTempDirectory(USER_DIR, "mlib2");

        Path srcJar = moduleDir.resolve(TEST_MODULE1 + ".jar");

        destJar = moduleDir2.resolve(TEST_MODULE1 + ".jar");

        String classes = MODS_DIR.resolve(TEST_MODULE1).toString();

        JarBuilder.createModularJar(srcJar.toString(), classes, MAIN_CLASS);

        Files.copy(srcJar, destJar);

    }

    public static void main(String... args) throws Exception {

        // compile the modules and create the modular jar files

        buildTestModule();

        String appClasses[] = {MAIN_CLASS};

        // create an archive with both -cp and --module-path in the command line.

        // Only the class in the modular jar in the --module-path will be archived;

        // the class in the modular jar in the -cp won't be archived.

        OutputAnalyzer output = TestCommon.createArchive(

                                        destJar.toString(), appClasses,

                                        "--module-path", moduleDir.toString(),

                                        "-m", TEST_MODULE1);

        TestCommon.checkDump(output);

        // run with the archive using the same command line as in dump time.

        // The main class should be loaded from the archive.

        TestCommon.run("-Xlog:class+load=trace",

                       "-cp", destJar.toString(),

                       "--module-path", moduleDir.toString(),

                       "-m", TEST_MODULE1)

            .assertNormalExit("[class,load] com.simple.Main source: shared objects file");

        // run with the archive with the main class name inserted before the -m.

        // The main class name will be picked up before the module name. So the

        // main class should be loaded from the jar in the -cp.

        TestCommon.run("-Xlog:class+load=trace",

                       "-cp", destJar.toString(),

                       "--module-path", moduleDir.toString(),

                       MAIN_CLASS, "-m", TEST_MODULE1)

            .assertNormalExit(out ->

                out.shouldMatch(".class.load. com.simple.Main source:.*com.simple.jar"));

        // run with the archive with exploded module. Since during dump time, we

        // only archive classes from the modular jar in the --module-path, the

        // main class should be loaded from the exploded module directory.

        TestCommon.run("-Xlog:class+load=trace",

                       "-cp", destJar.toString(),

                       "--module-path", MODS_DIR.toString(),

                       "-m", TEST_MODULE1 + "/" + MAIN_CLASS)

            .assertNormalExit(out -> {

                out.shouldMatch(".class.load. com.simple.Main source:.*com.simple")

                   .shouldContain(MODS_DIR.toString());

            });

        // run with the archive with the --upgrade-module-path option.

        // CDS will be disabled with this options and the main class will be

        // loaded from the modular jar.

        TestCommon.run("-Xlog:class+load=trace",

                       "-cp", destJar.toString(),

                       "--upgrade-module-path", moduleDir.toString(),

                       "--module-path", moduleDir.toString(),

                       "-m", TEST_MODULE1)

            .assertSilentlyDisabledCDS(out -> {

                out.shouldHaveExitValue(0)

                   .shouldMatch("CDS is disabled when the.*option is specified")

                   .shouldMatch(".class.load. com.simple.Main source:.*com.simple.jar");

            });

        // run with the archive with the --limit-modules option.

        // CDS will be disabled with this options and the main class will be

        // loaded from the modular jar.

        TestCommon.run("-Xlog:class+load=trace",

                       "-cp", destJar.toString(),

                       "--limit-modules", "java.base," + TEST_MODULE1,

                       "--module-path", moduleDir.toString(),

                       "-m", TEST_MODULE1)

            .assertSilentlyDisabledCDS(out -> {

                out.shouldHaveExitValue(0)

                   .shouldMatch("CDS is disabled when the.*option is specified")

                   .shouldMatch(".class.load. com.simple.Main source:.*com.simple.jar");

            });

        // run with the archive with the --patch-module option.

        // CDS will be disabled with this options and the main class will be

        // loaded from the modular jar.

        TestCommon.run("-Xlog:class+load=trace",

                       "-cp", destJar.toString(),

                       "--patch-module", TEST_MODULE1 + "=" + MODS_DIR.toString(),

                       "--module-path", moduleDir.toString(),

                       "-m", TEST_MODULE1)

            .assertSilentlyDisabledCDS(out -> {

                out.shouldHaveExitValue(0)

                   .shouldMatch("CDS is disabled when the.*option is specified")

                   .shouldMatch(".class.load. com.simple.Main source:.*com.simple.jar");

            });

        // modify the timestamp of the jar file

        (new File(destJar.toString())).setLastModified(System.currentTimeMillis() + 2000);

        // run with the archive and the jar with modified timestamp.

        // It should fail due to timestamp of the jar doesn't match the one

        // used during dump time.

        TestCommon.run("-Xlog:class+load=trace",

                       "-cp", destJar.toString(),

                       "--module-path", moduleDir.toString(),

                       "-m", TEST_MODULE1)

            .assertAbnormalExit(

                "A jar/jimage file is not the one used while building the shared archive file:");

    }

}