--- /dev/null 2015-09-23 20:50:35.000000000 +0300 +++ new/test/java/awt/Component/CreateImage/CreateImage.java 2015-09-23 20:50:35.000000000 +0300 @@ -0,0 +1,103 @@ +/* + * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. + * 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 + * questions. + */ + +import java.awt.AWTException; +import java.awt.Button; +import java.awt.Component; +import java.awt.EventQueue; +import java.awt.Frame; + +import javax.swing.JButton; + +/** + * @test + * @bug 6815345 + */ +public final class CreateImage { + + public static void main(final String[] args) throws Exception { + EventQueue.invokeAndWait(CreateImage::test); + } + + private static void test() { + final Frame frame = new Frame(); + final Button button1 = new Button(); + final Button button2 = new Button(); + final JButton jbutton1 = new JButton(); + final JButton jbutton2 = new JButton(); + + try { + // all components are not displayable + checkCreateImage(frame, true); + checkCreateImage(button1, true); + checkCreateImage(button2, true); + checkCreateImage(jbutton1, true); + checkCreateImage(jbutton2, true); + + // some components added to the non-displayable frame + frame.add(button1); + frame.add(jbutton1); + checkCreateImage(button1, true); + checkCreateImage(jbutton1, true); + + frame.pack(); + + // tests previously added components when the frame is displayable + checkCreateImage(frame, false); + checkCreateImage(button1, false); + checkCreateImage(jbutton1, false); + + // some components added to the displayable frame + frame.add(button2); + frame.add(jbutton2); + checkCreateImage(button2, false); + checkCreateImage(jbutton2, false); + + } finally { + frame.dispose(); + } + // tests all components after the frame became non-displayable again + checkCreateImage(frame, true); + checkCreateImage(button1, true); + checkCreateImage(button2, true); + checkCreateImage(jbutton1, true); + checkCreateImage(jbutton2, true); + } + + private static void checkCreateImage(final Component comp, + final boolean isNull) { + if ((comp.createImage(10, 10) != null) == isNull) { + throw new RuntimeException("Image is wrong"); + } + if ((comp.createVolatileImage(10, 10) != null) == isNull) { + throw new RuntimeException("Image is wrong"); + } + try { + if ((comp.createVolatileImage(10, 10, null) != null) == isNull) { + throw new RuntimeException("Image is wrong"); + } + } catch (final AWTException ignored) { + // this check is not applicable + } + } +}