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