/*

 * Copyright (c) 2007, 2014, 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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 */

import java.awt.*;

import java.awt.image.BufferedImage;

/*

 * @test

 * @summary Check that GraphicsDevice methods do not throw unexpected

 *          exceptions in headless mode

 * @run main/othervm -Djava.awt.headless=true HeadlessGraphicsDevice

 */

public class HeadlessGraphicsDevice {

    public static void main(String args[]) {

        GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();

        Graphics2D gd = ge.createGraphics(new BufferedImage(100, 100, BufferedImage.TYPE_4BYTE_ABGR));

        GraphicsConfiguration gc = gd.getDeviceConfiguration();

        GraphicsDevice gdev = gc.getDevice();

        for (GraphicsConfiguration gcl : gdev.getConfigurations())

            gcl.toString();

        gdev.getDefaultConfiguration().toString();

        gdev.getIDstring();

        if (gdev.getType() != GraphicsDevice.TYPE_IMAGE_BUFFER)

            throw new RuntimeException("Created GraphicsDevice that should be IMAGE_BUFFER but it isn't");

    }

}