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