/*

 * Copyright (c) 2004, 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

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 * questions.

 */

/**

 * @test

 * @bug 5030623

 * @summary Basic test of all append() methods in Writer and inherited classes.

 */

import java.io.*;

import java.lang.reflect.*;

public class Append {

    // append methods throw IOException

    private static Class [] io = {

        Writer.class, BufferedWriter.class, FilterWriter.class,

        OutputStreamWriter.class, FileWriter.class

    };

    // append methods don't throw IOException

    private static Class [] nio = {

        CharArrayWriter.class, StringWriter.class, PrintWriter.class,

        PrintStream.class

    };

    public static void main(String [] args) {

        for (int i = 0; i < io.length; i++)

            test(io[i], true);

        for (int i = 0; i < nio.length; i++)

            test(nio[i], false);

    }

    private static void test(Class c, boolean io) {

        try {

            Class [] cparams = { char.class };

            test(c.getMethod("append", cparams), io);

            Class [] csparams = { CharSequence.class };

            test(c.getMethod("append", csparams), io);

        } catch (NoSuchMethodException x) {

            throw new RuntimeException("No append method found");

        }

    }

    private static void test(Method m, boolean io) {

        Class [] ca = m.getExceptionTypes();

        boolean found = false;

        for (int i = 0; i < ca.length; i++) {

            if (ca[i].equals(IOException.class)) {

                found = true;

                break;

            }

        }

        if (found && !io)

            throw new RuntimeException("Unexpected IOException");

        if (!found && io)

            throw new RuntimeException("Missing IOException");

    }

}