1 /*
2 * Copyright (c) 2015, 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 import java.awt.AWTException;
25 import java.awt.Button;
26 import java.awt.Component;
27 import java.awt.EventQueue;
28 import java.awt.Frame;
29 import java.awt.GraphicsEnvironment;
30
31 import javax.swing.JButton;
32
33 /**
34 * @test
35 * @bug 6815345
36 * @key headful
37 * @run main CreateImage
38 * @run main/othervm -Djava.awt.headless=true CreateImage
39 */
40 public final class CreateImage {
41
42 public static void main(final String[] args) throws Exception {
43 EventQueue.invokeAndWait(CreateImage::test);
44 }
45
46 private static void test() {
47 final JButton jbutton1 = new JButton();
48 final JButton jbutton2 = new JButton();
49
50 if (GraphicsEnvironment.isHeadless()) {
51 checkCreateImage(jbutton1, true);
52 checkCreateImage(jbutton2, true);
53 return;
54 }
55
56 final Frame frame = new Frame();
57 final Button button1 = new Button();
58 final Button button2 = new Button();
59 try {
60 // all components are not displayable
61 checkCreateImage(frame, true);
62 checkCreateImage(button1, true);
63 checkCreateImage(button2, true);
64 checkCreateImage(jbutton1, true);
65 checkCreateImage(jbutton2, true);
66
67 // some components added to the non-displayable frame
68 frame.add(button1);
69 frame.add(jbutton1);
70 checkCreateImage(button1, true);
71 checkCreateImage(jbutton1, true);
72 frame.pack();
73
74 // tests previously added components when the frame is displayable
75 checkCreateImage(frame, false);
76 checkCreateImage(button1, false);
77 checkCreateImage(jbutton1, false);
78
79 // some components added to the displayable frame
80 frame.add(button2);
81 frame.add(jbutton2);
82 checkCreateImage(button2, false);
83 checkCreateImage(jbutton2, false);
84
85 } finally {
86 frame.dispose();
87 }
88 // tests all components after the frame became non-displayable again
89 checkCreateImage(frame, true);
90 checkCreateImage(button1, true);
91 checkCreateImage(button2, true);
92 checkCreateImage(jbutton1, true);
93 checkCreateImage(jbutton2, true);
94 }
95
96 private static void checkCreateImage(final Component comp,
97 final boolean isNull) {
98 if ((comp.createImage(10, 10) != null) == isNull) {
99 throw new RuntimeException("Image is wrong");
100 }
101 if ((comp.createVolatileImage(10, 10) != null) == isNull) {
102 throw new RuntimeException("Image is wrong");
103 }
104 try {
105 if ((comp.createVolatileImage(10, 10, null) != null) == isNull) {
106 throw new RuntimeException("Image is wrong");
107 }
108 } catch (final AWTException ignored) {
109 // this check is not applicable
110 }
111 }
112 }