/*

 * Copyright (c) 2001, 2010, 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

 * @bug 4470017

 * @summary Ensure that illegal arguments cause appropriate exceptions

 *          to be thrown

 */

import java.io.*;

import java.nio.channels.*;

public class Args {

    static void fail(String s) {

        throw new RuntimeException(s);

    }

    static interface Thunk {

        public void run() throws Exception;

    }

    private static void tryCatch(Class ex, Thunk thunk) {

        boolean caught = false;

        try {

            thunk.run();

        } catch (Throwable x) {

            if (ex.isAssignableFrom(x.getClass())) {

                caught = true;

                System.err.println("Thrown as expected: " + x);

            }

        }

        if (!caught)

            fail(ex.getName() + " not thrown");

    }

    public static void main(String[] args) throws Exception {

        File f = File.createTempFile("foo", null);

        f.deleteOnExit();

        final FileChannel fc = new RandomAccessFile(f, "rw").getChannel();

        tryCatch(IllegalArgumentException.class, new Thunk() {

                public void run() throws Exception {

                    fc.transferFrom(fc, -1, 1);

                }});

        tryCatch(IllegalArgumentException.class, new Thunk() {

                public void run() throws Exception {

                    fc.transferFrom(fc, 0, -1);

                }});

        tryCatch(IllegalArgumentException.class, new Thunk() {

                public void run() throws Exception {

                    fc.transferTo(-1, 1, fc);

                }});

        tryCatch(IllegalArgumentException.class, new Thunk() {

                public void run() throws Exception {

                    fc.transferTo(0, -1, fc);

                }});

        tryCatch(IllegalArgumentException.class, new Thunk() {

                public void run() throws Exception {

                    fc.map(FileChannel.MapMode.READ_ONLY, -1, 0);

                }});

        tryCatch(IllegalArgumentException.class, new Thunk() {

                public void run() throws Exception {

                    fc.map(FileChannel.MapMode.READ_ONLY, 0, -1);

                }});

        tryCatch(IllegalArgumentException.class, new Thunk() {

                public void run() throws Exception {

                    fc.map(FileChannel.MapMode.READ_ONLY, 0,

                           (long)Integer.MAX_VALUE << 3);

                }});

        fc.close();

        f.delete();

    }

}