/*

 * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 *

 */

/**

 * @test

 * @requires vm.cds

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

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

 * @run driver ModulePathAndCP

 * @summary 2 sets of tests: one with only --module-path in the command line;

 *          another with both -cp and --module-path 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;

public class ModulePathAndCP {

    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 MAIN_MODULE = "com.greetings";

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

    // the module main class

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

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

    private static Path moduleDir = null;

    private static Path moduleDir2 = null;

    private static Path subJar = null;

    private static Path mainJar = null;

    private static Path destJar = null;

    public static void buildTestModule() throws Exception {

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

        JarBuilder.compileModule(SRC_DIR.resolve(APP_MODULE),

                                 MODS_DIR.resolve(APP_MODULE),

                                 null);

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

        JarBuilder.compileModule(SRC_DIR.resolve(MAIN_MODULE),

                                 MODS_DIR.resolve(MAIN_MODULE),

                                 MODS_DIR.toString());

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

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

        subJar = moduleDir.resolve(APP_MODULE + ".jar");

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

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

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

        Files.copy(subJar, destJar);

        mainJar = moduleDir.resolve(MAIN_MODULE + ".jar");

        Path mainJar2 = moduleDir2.resolve(MAIN_MODULE + ".jar");

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

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

        Files.copy(mainJar, mainJar2);

    }

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

        run();

    }

    public static void run(String... extra_runtime_args) throws Exception {

        // compile the modules and create the modular jar files

        buildTestModule();

        String appClasses[] = {MAIN_CLASS, APP_CLASS};

        // create an archive with the classes in the modules built in the

        // previous step

        OutputAnalyzer output = TestCommon.createArchive(

                                        null, appClasses,

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

                                        "-m", MAIN_MODULE);

        TestCommon.checkDump(output);

        String prefix[] = {"-Djava.class.path=", "-Xlog:class+load=trace"};

        prefix = TestCommon.concat(prefix, extra_runtime_args);

        // run with the archive with the --module-path the same as the one during

        // dump time. The classes should be loaded from the archive.

        TestCommon.runWithModules(prefix,

                                  null, // --upgrade-module-path

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

                                  MAIN_MODULE) // -m

            .assertNormalExit(out -> {

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

                   .shouldContain("[class,load] org.astro.World source: shared objects file");

            });

        // run with the archive with the --module-path different from the one during

        // dump time. The classes should be loaded from the jar files.

        TestCommon.runWithModules(prefix,

                                  null, // --upgrade-module-path

                                  moduleDir2.toString(), // --module-path

                                  MAIN_MODULE) // -m

            .assertNormalExit(out -> {

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

                   .shouldMatch(".class.load. org.astro.World source:.*org.astro.jar");

            });

        // create an archive with modular jar files in both -cp and --module-path

        String jars = subJar.toString() + System.getProperty("path.separator") +

                      mainJar.toString();

        output = TestCommon.createArchive( jars, appClasses,

                                           "-Xlog:class+load=trace",

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

                                           "-m", MAIN_MODULE);

        TestCommon.checkDump(output);

        // run with archive with the main class name specified before

        // the module name with the -m option. Since the -m option was specified

        // during dump time, the classes in the jar files after the -cp won't be

        // archived. Therefore, the classes won't be loaded from the archive but

        // will be loaded from the jar files.

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

                       "-cp", jars,

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

                       MAIN_CLASS, "-m", MAIN_MODULE)

            .assertNormalExit(out -> {

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

                   .shouldMatch(".class.load. org.astro.World source:.*org.astro.jar");

            });

        // similar to the above case but without the main class name. The classes

        // should be loaded from the archive.

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

                       "-cp", jars,

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

                       "-m", MAIN_MODULE)

            .assertNormalExit(

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

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

        // create an archive with two modular jars in the --module-path

        output = TestCommon.createArchive(

                                        null, appClasses,

                                        "--module-path", jars,

                                        "-m", MAIN_MODULE);

        TestCommon.checkDump(output);

        // run with the above archive but with the modular jar containing the

        // org.astro module in a different location.

        // The org.astro.World class should be loaded from the jar.

        // The Main class should still be loaded from the archive.

        jars = destJar.toString() + System.getProperty("path.separator") +

                      mainJar.toString();

        TestCommon.runWithModules(prefix,

                                  null, // --upgrade-module-path

                                  jars, // --module-path

                                  MAIN_MODULE) // -m

            .assertNormalExit(out -> {

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

                   .shouldMatch(".class.load. org.astro.World source:.*org.astro.jar");

            });

    }

}