test/jdk/java/io/FileInputStream/OpenDir.java

/*
 * Copyright (c) 1998, 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 4092350
 * @summary Attempting to open a stream on a directory should fail on
 *       all platforms.
 *
 */

import java.io.*;

public class OpenDir {

    public static void main(String args[]) throws Exception {
        // Perform the same test for FileInputStream, FileOutputStream
        // and RandomAccessFile.
        FileInputStream fs = null;
        // This test attempts to FileInputStream.open(".")
        // This should fail since . is a directory.
        try {
            fs = new FileInputStream(".");
            throw new
                Exception("FileInputStream.open should not work on dirs");
        } catch (IOException e) {
        }

        FileOutputStream fos = null;
        try {
            fos = new FileOutputStream(".");
            throw new
                Exception("FileOutputStream.open should'nt work on dirs");
        } catch (IOException e) {
        }

        RandomAccessFile ras = null;
        try {
            ras = new RandomAccessFile(".","r");
            throw new
                Exception("RandomAccessFile.open should'nt work on dirs");
        } catch (IOException e) {
        }
    }


}