/*

 * Copyright (c) 2018, 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.

 */

/*

 * This class is intended to be run in the single source-file launcher

 * mode defined by JEP 330. It checks the operation of the getResource*

 * methods provided by the MemoryClassLoader used to run the compiled

 * classes.

 *

 * The class uses the ClassFile library to validate the contents of

 * the URLs and streams returned by the methods being tested.

 *

 * $ java \

 *      --add-modules jdk.jdeps \

 *      --add-exports jdk.jdeps/com.sun.tools.classfile=ALL-UNNAMED

 *      /path/to/CLTest.java

 */

package p.q;

import java.io.*;

import java.net.*;

import java.util.*;

import com.sun.tools.classfile.ClassFile;

public class CLTest {

        }

        }

    void testGetResource(String name) {

        try {

            ClassLoader cl = getClass().getClassLoader();

            URL u = cl.getResource(name);

            if (u == null) {

                if (!name.contains("UNKNOWN")) {

                    error("resource not found: " + name);

                }

                return;

            }

            checkURL(u);

            checkClass(name, u);

        } catch (Throwable t) {

            t.printStackTrace(System.err);

            error("unexpected exception: " + t);

        }

    }

    void testGetResources(String name) {

        try {

            ClassLoader cl = getClass().getClassLoader();

            Enumeration<URL> e = cl.getResources(name);

            List<URL> list = new ArrayList<>();

            while (e.hasMoreElements()) {

                list.add(e.nextElement());

            }

            switch (list.size()) {

                case 0:

                    if (!name.contains("UNKNOWN")) {

                        error("resource not found: " + name);

                    }

                    break;

                case 1:

                    checkClass(name, list.get(0));

                    break;

                default:

                    error("unexpected resources found: " + list);

            }

        } catch (Throwable t) {

            t.printStackTrace(System.err);

            error("unexpected exception: " + t);

        }

    }

    void testGetResourceAsStream(String name) {

        System.err.println("testGetResourceAsStream: " + name);

        try {

            ClassLoader cl = getClass().getClassLoader();

            try (InputStream in = cl.getResourceAsStream(name)) {

                if (in == null) {

                    if (!name.contains("UNKNOWN")) {

                        error("resource not found: " + name);

                    }

                    return;

                }

                checkClass(name, in);

            }

        } catch (Throwable t) {

            t.printStackTrace(System.err);

            error("unexpected exception: " + t);

        }

    }

    void checkClass(String name, URL u) throws Exception {

        try (InputStream in = u.openConnection().getInputStream()) {

            checkClass(name, in);

        }

    }

    void checkClass(String name, InputStream in) throws Exception {

        ClassFile cf = ClassFile.read(in);

        System.err.println("    class " + cf.getName());

        if (!name.equals(cf.getName() + ".class")) {

            error("unexpected class found: " + cf.getName());

        }

    }

    void checkURL(URL url) {

        try {

            // verify the URL is formatted strictly according to RFC2396

            url.toURI();

        } catch (URISyntaxException e) {

            error("bad URL: " + url + "; " + e);

        }

    }

    void error(String message) {

        System.err.println("Error: " + message);

        errors++;

    }

    int errors = 0;

    class Inner { }

}

class CLTest2 { }