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/**

 * @test

 * @requires vm.cds

 * @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds

 * @modules jdk.jartool/sun.tools.jar

 * @run driver ExportModule

 * @summary Tests involve exporting a module from the module path to a jar in the -cp.

 */

import java.io.File;

import java.nio.file.Files;

import java.nio.file.Path;

import java.nio.file.Paths;

import jdk.test.lib.compiler.CompilerUtils;

import jdk.test.lib.process.OutputAnalyzer;

import jdk.test.lib.Asserts;

public class ExportModule {

    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.greetings";

    private static final String TEST_MODULE2 = "org.astro";

    // unnamed module package name

    private static final String PKG_NAME = "com.nomodule";

    // the module main class

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

    private static final String APP_CLASS = "org.astro.World";

    // unnamed module main class

    private static final String UNNAMED_MAIN = "com.nomodule.Main";

    private static Path moduleDir = null;

    private static Path moduleDir2 = null;

    private static Path appJar = null;

    private static Path appJar2 = null;

    public static void buildTestModule() throws Exception {

        // javac -d mods/$TESTMODULE src/$TESTMODULE/**

        JarBuilder.compileModule(SRC_DIR.resolve(TEST_MODULE2),

                                 MODS_DIR.resolve(TEST_MODULE2),

                                 null);

        // 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");

        Path jar = moduleDir.resolve(TEST_MODULE2 + ".jar");

        String classes = MODS_DIR.resolve(TEST_MODULE2).toString();

        JarBuilder.createModularJar(jar.toString(), classes, null);

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

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

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

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

        // build a non-modular jar containing the main class which

        // requires the org.astro package

        boolean compiled

            = CompilerUtils.compile(SRC_DIR.resolve(PKG_NAME),

                                    MODS_DIR.resolve(PKG_NAME),

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

                                    "--add-modules", TEST_MODULE2,

                                    "--add-exports", "org.astro/org.astro=ALL-UNNAMED");

        Asserts.assertTrue(compiled, "test package did not compile");

        appJar2 = moduleDir2.resolve(PKG_NAME + ".jar");

        classes = MODS_DIR.resolve(PKG_NAME).toString();

        JarBuilder.createModularJar(appJar2.toString(), classes, null);

    }

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

        // compile the modules and create the modular jar files

        buildTestModule();

        String appClasses[] = {MAIN_CLASS, APP_CLASS};

        // create an archive with the class in the org.astro module built in the

        // previous step and the main class from the modular jar in the -cp

        // note: the main class is in the modular jar in the -cp which requires

        // the module in the --module-path

        OutputAnalyzer output = TestCommon.createArchive(

                                        appJar.toString(), appClasses,

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

                                        "--add-modules", TEST_MODULE2, MAIN_CLASS);

        TestCommon.checkDump(output);

        // run it using the archive

        // both the main class and the class from the org.astro module should

        // be loaded from the archive

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

                              "-cp", appJar.toString(),

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

                              "--add-modules", TEST_MODULE2, MAIN_CLASS)

            .assertNormalExit(

                "[class,load] org.astro.World source: shared objects file",

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

        String appClasses2[] = {UNNAMED_MAIN, APP_CLASS};

        // create an archive with the main class from a non-modular jar in the

        // -cp and the class from the org.astro module

        // note: the org.astro package needs to be exported to "ALL-UNNAMED"

        // module since the jar in the -cp is a non-modular jar and thus it is

        // unnmaed.

        output = TestCommon.createArchive(

                                        appJar2.toString(), appClasses2,

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

                                        "--add-modules", TEST_MODULE2,

                                        "--add-exports", "org.astro/org.astro=ALL-UNNAMED",

                                        UNNAMED_MAIN);

        TestCommon.checkDump(output);

        // both the main class and the class from the org.astro module should

        // be loaded from the archive

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

                       "-cp", appJar2.toString(),

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

                       "--add-modules", TEST_MODULE2,

                       "--add-exports", "org.astro/org.astro=ALL-UNNAMED",

                       UNNAMED_MAIN)

            .assertNormalExit(

                "[class,load] org.astro.World source: shared objects file",

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

    }

}