112 lines
3.9 KiB
Java
112 lines
3.9 KiB
Java
/*
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* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.awt.AWTException;
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import java.awt.Button;
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import java.awt.Component;
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import java.awt.EventQueue;
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import java.awt.Frame;
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import java.awt.GraphicsEnvironment;
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import javax.swing.JButton;
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/**
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* @test
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* @bug 6815345
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* @run main CreateImage
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* @run main/othervm -Djava.awt.headless=true CreateImage
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*/
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public final class CreateImage {
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public static void main(final String[] args) throws Exception {
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EventQueue.invokeAndWait(CreateImage::test);
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}
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private static void test() {
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final JButton jbutton1 = new JButton();
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final JButton jbutton2 = new JButton();
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if (GraphicsEnvironment.isHeadless()) {
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checkCreateImage(jbutton1, true);
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checkCreateImage(jbutton2, true);
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return;
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}
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final Frame frame = new Frame();
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final Button button1 = new Button();
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final Button button2 = new Button();
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try {
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// all components are not displayable
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checkCreateImage(frame, true);
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checkCreateImage(button1, true);
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checkCreateImage(button2, true);
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checkCreateImage(jbutton1, true);
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checkCreateImage(jbutton2, true);
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// some components added to the non-displayable frame
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frame.add(button1);
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frame.add(jbutton1);
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checkCreateImage(button1, true);
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checkCreateImage(jbutton1, true);
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frame.pack();
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// tests previously added components when the frame is displayable
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checkCreateImage(frame, false);
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checkCreateImage(button1, false);
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checkCreateImage(jbutton1, false);
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// some components added to the displayable frame
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frame.add(button2);
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frame.add(jbutton2);
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checkCreateImage(button2, false);
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checkCreateImage(jbutton2, false);
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} finally {
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frame.dispose();
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}
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// tests all components after the frame became non-displayable again
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checkCreateImage(frame, true);
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checkCreateImage(button1, true);
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checkCreateImage(button2, true);
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checkCreateImage(jbutton1, true);
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checkCreateImage(jbutton2, true);
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}
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private static void checkCreateImage(final Component comp,
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final boolean isNull) {
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if ((comp.createImage(10, 10) != null) == isNull) {
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throw new RuntimeException("Image is wrong");
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}
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if ((comp.createVolatileImage(10, 10) != null) == isNull) {
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throw new RuntimeException("Image is wrong");
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}
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try {
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if ((comp.createVolatileImage(10, 10, null) != null) == isNull) {
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throw new RuntimeException("Image is wrong");
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}
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} catch (final AWTException ignored) {
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// this check is not applicable
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}
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}
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}
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