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69 lines
2.8 KiB
69 lines
2.8 KiB
/* |
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* Copyright (c) 2013, 2019, 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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/* |
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* @test |
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* @bug 8007146 8213119 |
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* @summary [macosx] Setting a display mode crashes JDK under VNC |
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* @author Alexander Scherbatiy |
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* @run main CheckDisplayModes |
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*/ |
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import java.awt.DisplayMode; |
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import java.awt.GraphicsDevice; |
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import java.awt.GraphicsEnvironment; |
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public class CheckDisplayModes { |
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public static void main(String[] args) { |
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GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment(); |
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for (GraphicsDevice graphicDevice : ge.getScreenDevices()) { |
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if (!graphicDevice.isDisplayChangeSupported()) { |
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System.err.println("Display mode change is not supported on this host. Test is considered passed."); |
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continue; |
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} |
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DisplayMode defaultDisplayMode = graphicDevice.getDisplayMode(); |
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checkDisplayMode(defaultDisplayMode); |
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graphicDevice.setDisplayMode(defaultDisplayMode); |
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DisplayMode[] displayModes = graphicDevice.getDisplayModes(); |
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boolean isDefaultDisplayModeIncluded = false; |
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for (DisplayMode displayMode : displayModes) { |
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checkDisplayMode(displayMode); |
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graphicDevice.setDisplayMode(displayMode); |
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if (defaultDisplayMode.equals(displayMode)) { |
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isDefaultDisplayModeIncluded = true; |
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} |
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} |
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if (!isDefaultDisplayModeIncluded) { |
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throw new RuntimeException("Default display mode is not included"); |
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} |
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} |
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} |
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static void checkDisplayMode(DisplayMode displayMode) { |
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if (displayMode == null || displayMode.getWidth() <= 1 || displayMode.getHeight() <= 1) { |
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throw new RuntimeException("invalid display mode"); |
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} |
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} |
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}
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