/*

 * Copyright (c) 2016, 2017, 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

 * @summary Testing -Xbootclasspath/a support for CDS

 * @requires (vm.opt.UseCompressedOops == null) | (vm.opt.UseCompressedOops == true)

 * @library /test/lib

 * @modules java.base/jdk.internal.misc

 *          java.management

 *          jdk.internal.jvmstat/sun.jvmstat.monitor

 * @compile javax/sound/sampled/MyClass.jasm

 * @compile org/omg/CORBA/Context.jasm

 * @compile nonjdk/myPackage/MyClass.java

 * @build LoadClass

 * @run main/othervm BootAppendTests

 */

import java.io.File;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.PrintStream;

import java.nio.file.Path;

import java.nio.file.Paths;

import jdk.test.lib.cds.CDSOptions;

import jdk.test.lib.cds.CDSTestUtils;

import jdk.test.lib.process.ProcessTools;

import jdk.test.lib.process.OutputAnalyzer;

public class BootAppendTests {

    private static final String APP_CLASS = "LoadClass";

    private static final String BOOT_APPEND_MODULE_CLASS = "javax/sound/sampled/MyClass";

    private static final String BOOT_APPEND_DUPLICATE_MODULE_CLASS = "org/omg/CORBA/Context";

    private static final String BOOT_APPEND_CLASS = "nonjdk/myPackage/MyClass";

    private static final String BOOT_APPEND_MODULE_CLASS_NAME =

        BOOT_APPEND_MODULE_CLASS.replace('/', '.');

    private static final String BOOT_APPEND_DUPLICATE_MODULE_CLASS_NAME =

        BOOT_APPEND_DUPLICATE_MODULE_CLASS.replace('/', '.');

    private static final String BOOT_APPEND_CLASS_NAME =

        BOOT_APPEND_CLASS.replace('/', '.');

    private static final String[] ARCHIVE_CLASSES =

        {BOOT_APPEND_MODULE_CLASS, BOOT_APPEND_DUPLICATE_MODULE_CLASS, BOOT_APPEND_CLASS};

    private static final String modes[] = {"on", "off"};

    private static String appJar;

    private static String bootAppendJar;

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

        dumpArchive();

        logTestCase("1");

        testBootAppendModuleClass();

        logTestCase("2");

        testBootAppendDuplicateModuleClass();

        logTestCase("3");

        testBootAppendExcludedModuleClass();

        logTestCase("4");

        testBootAppendDuplicateExcludedModuleClass();

        logTestCase("5");

        testBootAppendClass();

    }

    private static void logTestCase(String msg) {

        System.out.println();

        System.out.printf("TESTCASE: %s", msg);

        System.out.println();

    }

    static void dumpArchive() throws Exception {

        // create the classlist

        File classlist = CDSTestUtils.makeClassList(ARCHIVE_CLASSES);

        // build jar files

        appJar = ClassFileInstaller.writeJar("app.jar", APP_CLASS);

        bootAppendJar = ClassFileInstaller.writeJar("bootAppend.jar",

            BOOT_APPEND_MODULE_CLASS, BOOT_APPEND_DUPLICATE_MODULE_CLASS, BOOT_APPEND_CLASS);

        OutputAnalyzer out = CDSTestUtils.createArchiveAndCheck(

                                 "-Xbootclasspath/a:" + bootAppendJar,

                                 "-XX:SharedClassListFile=" + classlist.getPath());

        // Make sure all the classes were successfully archived.

        for (String archiveClass : ARCHIVE_CLASSES) {

            out.shouldNotContain("Preload Warning: Cannot find " + archiveClass);

        }

    }

    // Test #1: If a class on -Xbootclasspath/a is from a package defined in

    //          bootmodules, the class is not loaded at runtime.

    //          Verify the behavior is the same when the class is archived

    //          with CDS enabled at runtime.

    //

    //          The javax.sound.sampled package is defined in the java.desktop module.

    //          The archived javax.sound.sampled.MyClass from the -Xbootclasspath/a

    //          should not be loaded at runtime.

    public static void testBootAppendModuleClass() throws Exception {

        for (String mode : modes) {

            CDSOptions opts = (new CDSOptions())

                .setXShareMode(mode).setUseVersion(false)

                .addPrefix("-Xbootclasspath/a:" + bootAppendJar, "-cp", appJar, "-showversion")

                .addSuffix(APP_CLASS, BOOT_APPEND_MODULE_CLASS_NAME);

            OutputAnalyzer out = CDSTestUtils.runWithArchive(opts);

            CDSTestUtils.checkExec(out, opts, "java.lang.ClassNotFoundException: javax.sound.sampled.MyClass");

        }

    }

    // Test #2: If a class on -Xbootclasspath/a has the same fully qualified

    //          name as a class defined in boot modules, the class is not loaded

    //          from -Xbootclasspath/a. Verify the behavior is the same at runtime

    //          when CDS is enabled.

    //

    //          The org.omg.CORBA.Context is a boot module class. The class on

    //          the -Xbootclasspath/a path that has the same fully-qualified name

    //          should not be loaded at runtime when CDS is enabled.

    //          The one from the boot modules should be loaded instead.

    public static void testBootAppendDuplicateModuleClass() throws Exception {

        for (String mode : modes) {

            CDSOptions opts = (new CDSOptions())

                .setXShareMode(mode).setUseVersion(false)

                .addPrefix("--add-modules", "java.corba", "-showversion",

                           "-Xbootclasspath/a:" + bootAppendJar, "-cp", appJar)

                .addSuffix("-Xlog:class+load=info",

                           APP_CLASS, BOOT_APPEND_DUPLICATE_MODULE_CLASS_NAME);

            OutputAnalyzer out = CDSTestUtils.runWithArchive(opts);

            CDSTestUtils.checkExec(out, opts, "[class,load] org.omg.CORBA.Context source: jrt:/java.corba");

        }

    }

    // Test #3: If a class on -Xbootclasspath/a is from a package defined in boot modules,

    //          the class can be loaded from -Xbootclasspath/a when the module is excluded

    //          using --limit-modules. Verify the behavior is the same at runtime when CDS

    //          is enabled.

    //

    //          The java.desktop module is excluded using --limit-modules at runtime,

    //          javax.sound.sampled.MyClass is archived from -Xbootclasspath/a. It can be

    //          loaded from the archive at runtime.

    public static void testBootAppendExcludedModuleClass() throws Exception {

        for (String mode : modes) {

            CDSOptions opts = (new CDSOptions())

                .setXShareMode(mode).setUseVersion(false)

                .addPrefix("-Xbootclasspath/a:" + bootAppendJar, "-showversion",

                           "--limit-modules=java.base", "-cp", appJar)

                .addSuffix("-Xlog:class+load=info",

                           APP_CLASS, BOOT_APPEND_MODULE_CLASS_NAME);

            OutputAnalyzer out = CDSTestUtils.runWithArchive(opts);

            CDSTestUtils.checkExec(out, opts, "[class,load] javax.sound.sampled.MyClass");

            // When CDS is enabled, the shared class should be loaded from the archive.

            if (mode.equals("on")) {

                CDSTestUtils.checkExec(out, opts, "[class,load] javax.sound.sampled.MyClass source: shared objects file");

            }

        }

    }

    // Test #4: If a class on -Xbootclasspath/a has the same fully qualified

    //          name as a class defined in boot modules, the class is loaded

    //          from -Xbootclasspath/a when the boot module is excluded using

    //          --limit-modules. Verify the behavior is the same at runtime

    //          when CDS is enabled.

    //

    //          The org.omg.CORBA.Context is a boot module class. The class

    //          on -Xbootclasspath/a that has the same fully-qualified name

    //          as org.omg.CORBA.Context can be loaded at runtime when

    //          java.corba is excluded.

    public static void testBootAppendDuplicateExcludedModuleClass() throws Exception {

        for (String mode : modes) {

            CDSOptions opts = (new CDSOptions())

                .setXShareMode(mode).setUseVersion(false)

                .addPrefix("-Xbootclasspath/a:" + bootAppendJar, "-showversion",

                           "--limit-modules=java.base", "-cp", appJar)

                .addSuffix("-Xlog:class+load=info",

                           APP_CLASS, BOOT_APPEND_DUPLICATE_MODULE_CLASS_NAME);

            OutputAnalyzer out = CDSTestUtils.runWithArchive(opts);

            CDSTestUtils.checkExec(out, opts, "[class,load] org.omg.CORBA.Context");

            if (!CDSTestUtils.isUnableToMap(out)) {

                out.shouldMatch(".*\\[class,load\\] org.omg.CORBA.Context source:.*bootAppend.jar");

            }

        }

    }

    // Test #5: If a class on -Xbootclasspath/a is not from named modules,

    //          the class can be loaded at runtime. Verify the behavior is

    //          the same at runtime when CDS is enabled.

    //

    //          The nonjdk.myPackage is not defined in named modules. The

    //          archived nonjdk.myPackage.MyClass from -Xbootclasspath/a

    //          can be loaded at runtime when CDS is enabled.

    public static void testBootAppendClass() throws Exception {

        for (String mode : modes) {

            CDSOptions opts = (new CDSOptions())

                .setXShareMode(mode).setUseVersion(false)

                .addPrefix("-Xbootclasspath/a:" + bootAppendJar, "-showversion",

                           "--limit-modules=java.base", "-cp", appJar)

                .addSuffix("-Xlog:class+load=info",

                           APP_CLASS, BOOT_APPEND_CLASS_NAME);

            OutputAnalyzer out = CDSTestUtils.runWithArchive(opts);

            CDSTestUtils.checkExec(out, opts, "[class,load] nonjdk.myPackage.MyClass");

            // If CDS is enabled, the nonjdk.myPackage.MyClass should be loaded

            // from the shared archive.

            if (mode.equals("on")) {

                CDSTestUtils.checkExec(out, opts,

                    "[class,load] nonjdk.myPackage.MyClass source: shared objects file");

            }

        }

    }

}