1 /*
2  * Copyright (c) 2009, 2018, 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  * @key headful
27  * @bug     6822057 7124400 8059848 8198613
28  *
29  * @summary Test verifies that list of supported graphics configurations
30  *          can not be changed via modification of elements of an array
31  *          returned by getConfiguration() method.
32  *
33  * @run     main 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 
main(String[] args)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
getDevice()82         public GraphicsDevice getDevice() {
83             throw new UnsupportedOperationException("Not supported yet.");
84         }
85 
86         @Override
createCompatibleImage(int width, int height)87         public BufferedImage createCompatibleImage(int width, int height) {
88             throw new UnsupportedOperationException("Not supported yet.");
89         }
90 
91         @Override
getColorModel()92         public ColorModel getColorModel() {
93             throw new UnsupportedOperationException("Not supported yet.");
94         }
95 
96         @Override
getColorModel(int transparency)97         public ColorModel getColorModel(int transparency) {
98             throw new UnsupportedOperationException("Not supported yet.");
99         }
100 
101         @Override
getDefaultTransform()102         public AffineTransform getDefaultTransform() {
103             throw new UnsupportedOperationException("Not supported yet.");
104         }
105 
106         @Override
getNormalizingTransform()107         public AffineTransform getNormalizingTransform() {
108             throw new UnsupportedOperationException("Not supported yet.");
109         }
110 
111         @Override
getBounds()112         public Rectangle getBounds() {
113             throw new UnsupportedOperationException("Not supported yet.");
114         }
115 
116     }
117 
118 }
119