/*

 * 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

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 */

/*

 * @test

 * @bug     6822057 7124400 8059848

 *

 * @summary Test verifies that list of supported graphics configurations

 *          can not be changed via modification of elements of an array

 *          returned by getConfiguration() method.

 *

 * @run     main CloneConfigsTest

 * @run     main/othervm -Dsun.java2d.opengl=True CloneConfigsTest

 * @run     main/othervm -Dsun.java2d.d3d=true CloneConfigsTest

 * @run     main/othervm -Dsun.java2d.noddraw=true CloneConfigsTest

 */

import java.awt.GraphicsConfiguration;

import java.awt.GraphicsDevice;

import java.awt.GraphicsEnvironment;

import java.awt.Rectangle;

import java.awt.geom.AffineTransform;

import java.awt.image.BufferedImage;

import java.awt.image.ColorModel;

public class CloneConfigsTest {

    public static void main(String[] args) {

        GraphicsEnvironment env =

                GraphicsEnvironment.getLocalGraphicsEnvironment();

        GraphicsDevice[] devices = env.getScreenDevices();

        GraphicsConfiguration c = new TestConfig();

        for (GraphicsDevice gd : devices) {

            System.out.println("Device: " + gd);

            GraphicsConfiguration[] configs = gd.getConfigurations();

            for (int i = 0; i < configs.length; i++) {

                GraphicsConfiguration gc  = configs[i];

                System.out.println("\tConfig: " + gc);

                configs[i] = c;

            }

            // verify whether array of configs was modified

            configs = gd.getConfigurations();

            for (GraphicsConfiguration gc : configs) {

                if (gc == c) {

                    throw new RuntimeException("Test failed.");

                }

            }

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

        }

    }

    private static class TestConfig extends GraphicsConfiguration {

        @Override

        public GraphicsDevice getDevice() {

            throw new UnsupportedOperationException("Not supported yet.");

        }

        @Override

        public BufferedImage createCompatibleImage(int width, int height) {

            throw new UnsupportedOperationException("Not supported yet.");

        }

        @Override

        public ColorModel getColorModel() {

            throw new UnsupportedOperationException("Not supported yet.");

        }

        @Override

        public ColorModel getColorModel(int transparency) {

            throw new UnsupportedOperationException("Not supported yet.");

        }

        @Override

        public AffineTransform getDefaultTransform() {

            throw new UnsupportedOperationException("Not supported yet.");

        }

        @Override

        public AffineTransform getNormalizingTransform() {

            throw new UnsupportedOperationException("Not supported yet.");

        }

        @Override

        public Rectangle getBounds() {

            throw new UnsupportedOperationException("Not supported yet.");

        }

    }

}