1 /*
   2  * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @bug     6822057 7124400 8059848
  27  *
  28  * @summary Test verifies that list of supported graphics configurations
  29  *          can not be changed via modification of elements of an array
  30  *          returned by getConfiguration() method.
  31  *
  32  * @run     main CloneConfigsTest
  33  * @run     main/othervm -Dsun.java2d.opengl=True CloneConfigsTest
  34  * @run     main/othervm -Dsun.java2d.d3d=true CloneConfigsTest
  35  * @run     main/othervm -Dsun.java2d.noddraw=true CloneConfigsTest
  36  */
  37 
  38 import java.awt.GraphicsConfiguration;
  39 import java.awt.GraphicsDevice;
  40 import java.awt.GraphicsEnvironment;
  41 import java.awt.Rectangle;
  42 import java.awt.geom.AffineTransform;
  43 import java.awt.image.BufferedImage;
  44 import java.awt.image.ColorModel;
  45 
  46 public class CloneConfigsTest {
  47 
  48     public static void main(String[] args) {
  49         GraphicsEnvironment env =
  50                 GraphicsEnvironment.getLocalGraphicsEnvironment();
  51 
  52         GraphicsDevice[] devices = env.getScreenDevices();
  53 
  54         GraphicsConfiguration c = new TestConfig();
  55 
  56         for (GraphicsDevice gd : devices) {
  57             System.out.println("Device: " + gd);
  58 
  59             GraphicsConfiguration[] configs = gd.getConfigurations();
  60 
  61             for (int i = 0; i < configs.length; i++) {
  62                 GraphicsConfiguration gc  = configs[i];
  63                 System.out.println("\tConfig: " + gc);
  64 
  65                 configs[i] = c;
  66             }
  67 
  68             // verify whether array of configs was modified
  69             configs = gd.getConfigurations();
  70             for (GraphicsConfiguration gc : configs) {
  71                 if (gc == c) {
  72                     throw new RuntimeException("Test failed.");
  73                 }
  74             }
  75             System.out.println("Test passed.");
  76         }
  77     }
  78 
  79     private static class TestConfig extends GraphicsConfiguration {
  80 
  81         @Override
  82         public GraphicsDevice getDevice() {
  83             throw new UnsupportedOperationException("Not supported yet.");
  84         }
  85 
  86         @Override
  87         public BufferedImage createCompatibleImage(int width, int height) {
  88             throw new UnsupportedOperationException("Not supported yet.");
  89         }
  90 
  91         @Override
  92         public ColorModel getColorModel() {
  93             throw new UnsupportedOperationException("Not supported yet.");
  94         }
  95 
  96         @Override
  97         public ColorModel getColorModel(int transparency) {
  98             throw new UnsupportedOperationException("Not supported yet.");
  99         }
 100 
 101         @Override
 102         public AffineTransform getDefaultTransform() {
 103             throw new UnsupportedOperationException("Not supported yet.");
 104         }
 105 
 106         @Override
 107         public AffineTransform getNormalizingTransform() {
 108             throw new UnsupportedOperationException("Not supported yet.");
 109         }
 110 
 111         @Override
 112         public Rectangle getBounds() {
 113             throw new UnsupportedOperationException("Not supported yet.");
 114         }
 115 
 116     }
 117 
 118 }