/**

 * Copyright (c) 2016, 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.

 *

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 */

/*

 * @test

 * @bug 8153665

 * @summary Test two URLClassLoader define Package object of the same name

 * @library /lib/testlibrary

 * @build CompilerUtils

 * @run testng SplitPackage

 */

import java.net.URL;

import java.net.URLClassLoader;

import java.nio.file.Files;

import java.nio.file.Path;

import java.nio.file.Paths;

import java.nio.file.StandardCopyOption;

import java.util.jar.Manifest;

import org.testng.annotations.BeforeTest;

import org.testng.annotations.Test;

import static org.testng.Assert.*;

public class SplitPackage {

    private static final Path SRC_DIR = Paths.get(System.getProperty("test.src", "."));

    private static final Path FOO_DIR = Paths.get("foo");

    private static final Path BAR_DIR = Paths.get("bar");

    @BeforeTest

    private void setup() throws Exception {

        Files.createDirectory(BAR_DIR);

        Path pkgDir = Paths.get("p");

        // compile classes in package p

        assertTrue(CompilerUtils.compile(SRC_DIR.resolve(pkgDir), BAR_DIR));

        // move p.Foo to a different directory

        Path foo = pkgDir.resolve("Foo.class");

        Files.createDirectories(FOO_DIR.resolve(pkgDir));

        Files.move(BAR_DIR.resolve(foo), FOO_DIR.resolve(foo),

                   StandardCopyOption.REPLACE_EXISTING);

    }

    @Test

    public void test() throws Exception {

        URLClassLoader loader1 = new URLClassLoader(new URL[] {

            FOO_DIR.toUri().toURL()

        });

        Loader loader2 = new Loader(new URL[] {

            BAR_DIR.toUri().toURL()

        }, loader1);

        Class<?> foo = Class.forName("p.Foo", true, loader2);

        Class<?> bar = Class.forName("p.Bar", true, loader2);

        Class<?> baz = Class.forName("p.Baz", true, loader2);

        Package pForFoo = loader1.getDefinedPackage("p");

        Package pForBar = loader2.getDefinedPackage("p");

        assertEquals(pForFoo.getName(), pForBar.getName());

        assertTrue(pForFoo != pForBar);

        try {

            loader2.defineSplitPackage("p");

        } catch (IllegalArgumentException e) {

        }

    }

    static class Loader extends URLClassLoader {

        Loader(URL[] urls, URLClassLoader parent) {

            super(urls, parent);

        }

        public Package defineSplitPackage(String name) {

            Manifest manifest = new Manifest();

            return super.definePackage(name, manifest, null);

        }

    }

}