/*
 * Copyright (c) 2013, 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
 * @run main BadClassFiles
 * @summary The reflection API should throw the correct exceptions.
 */
import java.lang.Class;
import java.lang.reflect.Method;
import java.lang.reflect.Parameter;
import java.lang.reflect.MalformedParametersException;
import java.lang.ClassLoader;
import java.lang.ClassNotFoundException;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;

public class BadClassFiles {
    private int errors = 0;


    /* Class files were created by compiling the following source and
     * then editing it:
     *
     * public class EmptyName {
     *     public void m(int a, int b) {}
     * }
     *
     */
    private static final byte[] EmptyName_bytes = {
        -54,-2,-70,-66,0,0,0,52,
        0,18,10,0,3,0,15,7,
        0,16,7,0,17,1,0,6,
        60,105,110,105,116,62,1,0,
        3,40,41,86,1,0,4,67,
        111,100,101,1,0,15,76,105,
        110,101,78,117,109,98,101,114,
        84,97,98,108,101,1,0,1,
        109,1,0,5,40,73,73,41,
        86,1,0,16,77,101,116,104,
        111,100,80,97,114,97,109,101,
        116,101,114,115,1,0,0,1,
        0,1,98,1,0,10,83,111,
        117,114,99,101,70,105,108,101,
        1,0,14,69,109,112,116,121,
        78,97,109,101,46,106,97,118,
        97,12,0,4,0,5,1,0,
        9,69,109,112,116,121,78,97,
        109,101,1,0,16,106,97,118,
        97,47,108,97,110,103,47,79,
        98,106,101,99,116,0,33,0,
        2,0,3,0,0,0,0,0,
        2,0,1,0,4,0,5,0,
        1,0,6,0,0,0,29,0,
        1,0,1,0,0,0,5,42,
        -73,0,1,-79,0,0,0,1,
        0,7,0,0,0,6,0,1,
        0,0,0,1,0,1,0,8,
        0,9,0,2,0,6,0,0,
        0,25,0,0,0,3,0,0,
        0,1,-79,0,0,0,1,0,
        7,0,0,0,6,0,1,0,
        0,0,2,0,10,0,0,0,
        9,2,0,11,0,0,0,12,
        0,0,0,1,0,13,0,0,
        0,2,0,14
    };

    private static final byte[] BadModifiers_bytes = {
        -54,-2,-70,-66,0,0,0,52,
        0,18,10,0,3,0,15,7,
        0,16,7,0,17,1,0,6,
        60,105,110,105,116,62,1,0,
        3,40,41,86,1,0,4,67,
        111,100,101,1,0,15,76,105,
        110,101,78,117,109,98,101,114,
        84,97,98,108,101,1,0,1,
        109,1,0,5,40,73,73,41,
        86,1,0,16,77,101,116,104,
        111,100,80,97,114,97,109,101,
        116,101,114,115,1,0,1,97,
        1,0,1,98,1,0,10,83,
        111,117,114,99,101,70,105,108,
        101,1,0,17,66,97,100,77,
        111,100,105,102,105,101,114,115,
        46,106,97,118,97,12,0,4,
        0,5,1,0,12,66,97,100,
        77,111,100,105,102,105,101,114,
        115,1,0,16,106,97,118,97,
        47,108,97,110,103,47,79,98,
        106,101,99,116,0,33,0,2,
        0,3,0,0,0,0,0,2,
        0,1,0,4,0,5,0,1,
        0,6,0,0,0,29,0,1,
        0,1,0,0,0,5,42,-73,
        0,1,-79,0,0,0,1,0,
        7,0,0,0,6,0,1,0,
        0,0,1,0,1,0,8,0,
        9,0,2,0,6,0,0,0,
        25,0,0,0,3,0,0,0,
        1,-79,0,0,0,1,0,7,
        0,0,0,6,0,1,0,0,
        0,2,0,10,0,0,0,9,
        2,0,11,0,51,51,12,0,
        0,0,1,0,13,0,0,0,
        2,0,14
    };

    private static final byte[] BadNameIndex_bytes = {
        -54,-2,-70,-66,0,0,0,52,
        0,18,10,0,3,0,15,7,
        0,16,7,0,17,1,0,6,
        60,105,110,105,116,62,1,0,
        3,40,41,86,1,0,4,67,
        111,100,101,1,0,15,76,105,
        110,101,78,117,109,98,101,114,
        84,97,98,108,101,1,0,1,
        109,1,0,5,40,73,73,41,
        86,1,0,16,77,101,116,104,
        111,100,80,97,114,97,109,101,
        116,101,114,115,1,0,1,97,
        1,0,1,98,1,0,10,83,
        111,117,114,99,101,70,105,108,
        101,1,0,17,66,97,100,78,
        97,109,101,73,110,100,101,120,
        46,106,97,118,97,12,0,4,
        0,5,1,0,12,66,97,100,
        78,97,109,101,73,110,100,101,
        120,1,0,16,106,97,118,97,
        47,108,97,110,103,47,79,98,
        106,101,99,116,0,33,0,2,
        0,3,0,0,0,0,0,2,
        0,1,0,4,0,5,0,1,
        0,6,0,0,0,29,0,1,
        0,1,0,0,0,5,42,-73,
        0,1,-79,0,0,0,1,0,
        7,0,0,0,6,0,1,0,
        0,0,1,0,1,0,8,0,
        9,0,2,0,6,0,0,0,
        25,0,0,0,3,0,0,0,
        1,-79,0,0,0,1,0,7,
        0,0,0,6,0,1,0,0,
        0,2,0,10,0,0,0,9,
        2,0,1,0,0,0,12,0,
        0,0,1,0,13,0,0,0,
        2,0,14
    };

    private static final byte[] NameIndexOutOfBounds_bytes = {
        -54,-2,-70,-66,0,0,0,52,
        0,18,10,0,3,0,15,7,
        0,16,7,0,17,1,0,6,
        60,105,110,105,116,62,1,0,
        3,40,41,86,1,0,4,67,
        111,100,101,1,0,15,76,105,
        110,101,78,117,109,98,101,114,
        84,97,98,108,101,1,0,1,
        109,1,0,5,40,73,73,41,
        86,1,0,16,77,101,116,104,
        111,100,80,97,114,97,109,101,
        116,101,114,115,1,0,1,97,
        1,0,1,98,1,0,10,83,
        111,117,114,99,101,70,105,108,
        101,1,0,25,78,97,109,101,
        73,110,100,101,120,79,117,116,
        79,102,66,111,117,110,100,115,
        46,106,97,118,97,12,0,4,
        0,5,1,0,20,78,97,109,
        101,73,110,100,101,120,79,117,
        116,79,102,66,111,117,110,100,
        115,1,0,16,106,97,118,97,
        47,108,97,110,103,47,79,98,
        106,101,99,116,0,33,0,2,
        0,3,0,0,0,0,0,2,
        0,1,0,4,0,5,0,1,
        0,6,0,0,0,29,0,1,
        0,1,0,0,0,5,42,-73,
        0,1,-79,0,0,0,1,0,
        7,0,0,0,6,0,1,0,
        0,0,1,0,1,0,8,0,
        9,0,2,0,6,0,0,0,
        25,0,0,0,3,0,0,0,
        1,-79,0,0,0,1,0,7,
        0,0,0,6,0,1,0,0,
        0,2,0,10,0,0,0,9,
        2,0,-1,0,0,0,12,0,
        0,0,1,0,13,0,0,0,
        2,0,14

    };

    private static final byte[] ExtraParams_bytes = {
        -54,-2,-70,-66,0,0,0,52,
        0,18,10,0,3,0,15,7,
        0,16,7,0,17,1,0,6,
        60,105,110,105,116,62,1,0,
        3,40,41,86,1,0,4,67,
        111,100,101,1,0,15,76,105,
        110,101,78,117,109,98,101,114,
        84,97,98,108,101,1,0,1,
        109,1,0,5,40,73,73,41,
        86,1,0,16,77,101,116,104,
        111,100,80,97,114,97,109,101,
        116,101,114,115,1,0,1,97,
        1,0,1,98,1,0,10,83,
        111,117,114,99,101,70,105,108,
        101,1,0,16,69,120,116,114,
        97,80,97,114,97,109,115,46,
        106,97,118,97,12,0,4,0,
        5,1,0,11,69,120,116,114,
        97,80,97,114,97,109,115,1,
        0,16,106,97,118,97,47,108,
        97,110,103,47,79,98,106,101,
        99,116,0,33,0,2,0,3,
        0,0,0,0,0,2,0,1,
        0,4,0,5,0,1,0,6,
        0,0,0,29,0,1,0,1,
        0,0,0,5,42,-73,0,1,
        -79,0,0,0,1,0,7,0,
        0,0,6,0,1,0,0,0,
        1,0,1,0,8,0,9,0,
        2,0,6,0,0,0,25,0,
        0,0,3,0,0,0,1,-79,
        0,0,0,1,0,7,0,0,
        0,6,0,1,0,0,0,2,
        0,10,0,0,0,13,3,0,
        11,0,0,0,12,0,0,0,
        11,0,0,0,1,0,13,0,
        0,0,2,0,14
    };

    private static final byte[] BadName1_bytes = {
        -54,-2,-70,-66,0,0,0,52,
        0,18,10,0,3,0,15,7,
        0,16,7,0,17,1,0,6,
        60,105,110,105,116,62,1,0,
        3,40,41,86,1,0,4,67,
        111,100,101,1,0,15,76,105,
        110,101,78,117,109,98,101,114,
        84,97,98,108,101,1,0,1,
        109,1,0,5,40,73,73,41,
        86,1,0,16,77,101,116,104,
        111,100,80,97,114,97,109,101,
        116,101,114,115,1,0,1,46,
        1,0,1,98,1,0,10,83,
        111,117,114,99,101,70,105,108,
        101,1,0,13,66,97,100,78,
        97,109,101,49,46,106,97,118,
        97,12,0,4,0,5,1,0,
        8,66,97,100,78,97,109,101,
        49,1,0,16,106,97,118,97,
        47,108,97,110,103,47,79,98,
        106,101,99,116,0,33,0,2,
        0,3,0,0,0,0,0,2,
        0,1,0,4,0,5,0,1,
        0,6,0,0,0,29,0,1,
        0,1,0,0,0,5,42,-73,
        0,1,-79,0,0,0,1,0,
        7,0,0,0,6,0,1,0,
        0,0,1,0,1,0,8,0,
        9,0,2,0,6,0,0,0,
        25,0,0,0,3,0,0,0,
        1,-79,0,0,0,1,0,7,
        0,0,0,6,0,1,0,0,
        0,2,0,10,0,0,0,9,
        2,0,11,0,0,0,12,0,
        0,0,1,0,13,0,0,0,
        2,0,14
    };

    private static final byte[] BadName2_bytes = {
        -54,-2,-70,-66,0,0,0,52,
        0,18,10,0,3,0,15,7,
        0,16,7,0,17,1,0,6,
        60,105,110,105,116,62,1,0,
        3,40,41,86,1,0,4,67,
        111,100,101,1,0,15,76,105,
        110,101,78,117,109,98,101,114,
        84,97,98,108,101,1,0,1,
        109,1,0,5,40,73,73,41,
        86,1,0,16,77,101,116,104,
        111,100,80,97,114,97,109,101,
        116,101,114,115,1,0,1,91,
        1,0,1,98,1,0,10,83,
        111,117,114,99,101,70,105,108,
        101,1,0,13,66,97,100,78,
        97,109,101,50,46,106,97,118,
        97,12,0,4,0,5,1,0,
        8,66,97,100,78,97,109,101,
        50,1,0,16,106,97,118,97,
        47,108,97,110,103,47,79,98,
        106,101,99,116,0,33,0,2,
        0,3,0,0,0,0,0,2,
        0,1,0,4,0,5,0,1,
        0,6,0,0,0,29,0,1,
        0,1,0,0,0,5,42,-73,
        0,1,-79,0,0,0,1,0,
        7,0,0,0,6,0,1,0,
        0,0,1,0,1,0,8,0,
        9,0,2,0,6,0,0,0,
        25,0,0,0,3,0,0,0,
        1,-79,0,0,0,1,0,7,
        0,0,0,6,0,1,0,0,
        0,2,0,10,0,0,0,9,
        2,0,11,0,0,0,12,0,
        0,0,1,0,13,0,0,0,
        2,0,14
    };

    private static final byte[] BadName3_bytes = {
        -54,-2,-70,-66,0,0,0,52,
        0,18,10,0,3,0,15,7,
        0,16,7,0,17,1,0,6,
        60,105,110,105,116,62,1,0,
        3,40,41,86,1,0,4,67,
        111,100,101,1,0,15,76,105,
        110,101,78,117,109,98,101,114,
        84,97,98,108,101,1,0,1,
        109,1,0,5,40,73,73,41,
        86,1,0,16,77,101,116,104,
        111,100,80,97,114,97,109,101,
        116,101,114,115,1,0,1,59,
        1,0,1,98,1,0,10,83,
        111,117,114,99,101,70,105,108,
        101,1,0,13,66,97,100,78,
        97,109,101,51,46,106,97,118,
        97,12,0,4,0,5,1,0,
        8,66,97,100,78,97,109,101,
        51,1,0,16,106,97,118,97,
        47,108,97,110,103,47,79,98,
        106,101,99,116,0,33,0,2,
        0,3,0,0,0,0,0,2,
        0,1,0,4,0,5,0,1,
        0,6,0,0,0,29,0,1,
        0,1,0,0,0,5,42,-73,
        0,1,-79,0,0,0,1,0,
        7,0,0,0,6,0,1,0,
        0,0,1,0,1,0,8,0,
        9,0,2,0,6,0,0,0,
        25,0,0,0,3,0,0,0,
        1,-79,0,0,0,1,0,7,
        0,0,0,6,0,1,0,0,
        0,2,0,10,0,0,0,9,
        2,0,11,0,0,0,12,0,
        0,0,1,0,13,0,0,0,
        2,0,14
    };

    private static final byte[] BadName4_bytes = {
        -54,-2,-70,-66,0,0,0,52,
        0,18,10,0,3,0,15,7,
        0,16,7,0,17,1,0,6,
        60,105,110,105,116,62,1,0,
        3,40,41,86,1,0,4,67,
        111,100,101,1,0,15,76,105,
        110,101,78,117,109,98,101,114,
        84,97,98,108,101,1,0,1,
        109,1,0,5,40,73,73,41,
        86,1,0,16,77,101,116,104,
        111,100,80,97,114,97,109,101,
        116,101,114,115,1,0,1,47,
        1,0,1,98,1,0,10,83,
        111,117,114,99,101,70,105,108,
        101,1,0,13,66,97,100,78,
        97,109,101,52,46,106,97,118,
        97,12,0,4,0,5,1,0,
        8,66,97,100,78,97,109,101,
        52,1,0,16,106,97,118,97,
        47,108,97,110,103,47,79,98,
        106,101,99,116,0,33,0,2,
        0,3,0,0,0,0,0,2,
        0,1,0,4,0,5,0,1,
        0,6,0,0,0,29,0,1,
        0,1,0,0,0,5,42,-73,
        0,1,-79,0,0,0,1,0,
        7,0,0,0,6,0,1,0,
        0,0,1,0,1,0,8,0,
        9,0,2,0,6,0,0,0,
        25,0,0,0,3,0,0,0,
        1,-79,0,0,0,1,0,7,
        0,0,0,6,0,1,0,0,
        0,2,0,10,0,0,0,9,
        2,0,11,0,0,0,12,0,
        0,0,1,0,13,0,0,0,
        2,0,14
    };

    private static class InMemoryClassLoader extends ClassLoader {
        public Class<?> defineClass(String name, byte[] b) {
            return defineClass(name, b, 0, b.length);
        }
    };

    private static final InMemoryClassLoader loader = new InMemoryClassLoader();

    private final Class<?>[] classes;

    private BadClassFiles() throws ClassNotFoundException {
        classes = new Class<?>[] {
            loader.defineClass("EmptyName", EmptyName_bytes),
            loader.defineClass("BadModifiers", BadModifiers_bytes),
            loader.defineClass("BadNameIndex", BadNameIndex_bytes),
            loader.defineClass("NameIndexOutOfBounds", NameIndexOutOfBounds_bytes),
            loader.defineClass("ExtraParams", ExtraParams_bytes),
            // Name with .
            loader.defineClass("BadName1", BadName1_bytes),
            // Name with [
            loader.defineClass("BadName2", BadName2_bytes),
            // Name with ;
            loader.defineClass("BadName3", BadName3_bytes),
            // Name with /
            loader.defineClass("BadName4", BadName4_bytes)
        };
    }

    public static void main(String... args)
        throws NoSuchMethodException, IOException, ClassNotFoundException {
        new BadClassFiles().run();
    }

    public void assertBadParameters(Class<?> cls) throws NoSuchMethodException {
        try {
            System.err.println("Trying " + cls);
            final Method method = cls.getMethod("m", int.class, int.class);
            final Parameter[] params = method.getParameters();
            System.err.println("Name " + params[0].getName());
            System.err.println("Did not see expected exception");
            errors++;
        } catch(MalformedParametersException e) {
            System.err.println("Expected exception seen");
        }
    }

    public void run() throws NoSuchMethodException {
        for (Class<?> cls : classes)
            assertBadParameters(cls);

        if (errors != 0)
            throw new RuntimeException(errors + " errors in test");
    }
}