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50 lines
2.0 KiB
50 lines
2.0 KiB
/* |
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* Copyright (c) 2007, 2014, 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.*; |
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import java.awt.image.BufferedImage; |
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/* |
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* @test |
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* @summary Check that GraphicsDevice methods do not throw unexpected |
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* exceptions in headless mode |
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* @run main/othervm -Djava.awt.headless=true HeadlessGraphicsDevice |
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*/ |
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public class HeadlessGraphicsDevice { |
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public static void main(String args[]) { |
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GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment(); |
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Graphics2D gd = ge.createGraphics(new BufferedImage(100, 100, BufferedImage.TYPE_4BYTE_ABGR)); |
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GraphicsConfiguration gc = gd.getDeviceConfiguration(); |
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GraphicsDevice gdev = gc.getDevice(); |
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for (GraphicsConfiguration gcl : gdev.getConfigurations()) |
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gcl.toString(); |
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gdev.getDefaultConfiguration().toString(); |
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gdev.getIDstring(); |
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if (gdev.getType() != GraphicsDevice.TYPE_IMAGE_BUFFER) |
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throw new RuntimeException("Created GraphicsDevice that should be IMAGE_BUFFER but it isn't"); |
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} |
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}
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