/*

 * 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

   @summary Basic test for createNewFile method

 */

import java.io.*;

public class CreateNewFile {

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

        File f = new File(System.getProperty("test.dir", "."),

                          "x.CreateNewFile");

        if (f.exists() && !f.delete())

            throw new Exception("Cannot delete test file " + f);

        if (!f.createNewFile())

            throw new Exception("Cannot create new file " + f);

        if (!f.exists())

            throw new Exception("Did not create new file " + f);

        if (f.createNewFile())

            throw new Exception("Created existing file " + f);

        try {

            f = new File("/");

            if (f.createNewFile())

                throw new Exception("Created root directory!");

        } catch (IOException e) {

            // Exception expected

        }

    }

}