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/*
* Copyright (c) 2003, 2023, 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
@bug 4908468
@summary Linux Empty Choice throws NPE
@key headful
@run main EmptyChoiceTest
*/
import java.awt.BorderLayout;
import java.awt.Choice;
import java.awt.EventQueue;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Image;
import java.lang.reflect.InvocationTargetException;
public class EmptyChoiceTest
{
Frame frame;
Choice choice = null;
public static void main(String[] args) throws
InterruptedException,
InvocationTargetException {
EventQueue.invokeAndWait(() -> {
EmptyChoiceTest emptyChoiceTest = new EmptyChoiceTest();
emptyChoiceTest.init();
emptyChoiceTest.test();
});
}
public void init() {
frame = new Frame();
frame.setLayout(new BorderLayout());
choice = new Choice();
frame.add(choice, BorderLayout.NORTH);
frame.setSize(200, 200);
frame.setLocationRelativeTo(null);
frame.setVisible(true);
frame.validate();
}
public void test () {
try {
int iWidth = choice.getWidth();
int iHeight = choice.getHeight();
Image componentImage =
choice.createImage(iWidth, iHeight);
Graphics graphics =
componentImage.getGraphics();
graphics.setClip(0, 0, iWidth, iHeight);
choice.printAll(graphics);
System.out.println("PrintAll successful!");
} catch (NullPointerException exp) {
throw new RuntimeException("Test failed. " +
"Empty Choice printAll throws NullPointerException");
} catch (Exception exc){
throw new RuntimeException("Test failed.", exc);
} finally {
frame.dispose();
}
}
}
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