/*

 * Copyright 2007 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 */

/**

 * @test

 * @bug     6438508

 * @summary Test verifies that ImageIO.write() does not create new

 *          empty file if requested image format is not supported.

 *

 * @run     main EmptyFileTest

 */

import java.awt.image.BufferedImage;

import java.io.File;

import java.io.IOException;

import javax.imageio.ImageIO;

public class EmptyFileTest {

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

        String format = "MY_IMG";

        File out = new File("output.myimg");

        System.out.printf("File %s: %s\n", out.getAbsolutePath(),

                          out.exists() ? "EXISTS" : "NEW");

        BufferedImage img = createTestImage();

        boolean status = false;

        try {

            status = ImageIO.write(img, format, out);

        } catch (IOException e) {

            throw new RuntimeException("Test FAILED: unexpected exception", e);

        }

        if (status) {

            throw new RuntimeException("Test FAILED: Format " +

                                       format + " is supported.");

        }

        if (out.exists()) {

            throw new RuntimeException("Test FAILED.");

        }

        System.out.println("Test PASSED.");

    }

    private static BufferedImage createTestImage() {

        return new BufferedImage(100, 100, BufferedImage.TYPE_INT_RGB);

    }

}