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* Copyright ( c ) 2021 , 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 .
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import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.awt.Shape;
/**
* @ test
* @ bug 6206189
* @ summary Verifies passing null to Graphics2D . clip ( Shape ) throws NPE .
*/
public class TestNullClip {
public static void main(String[] argv) {
BufferedImage bi = new BufferedImage(100 , 100 , BufferedImage.TYPE_INT_ARGB);
Graphics2D g2d = (Graphics2D)bi.getGraphics();
g2d.clip(null ); // silently return, no NPE should be thrown
g2d.setClip(0 , 0 , 100 , 100 );
g2d.setClip(null );
Shape clip1 = g2d.getClip();
if (clip1 != null ) {
throw new RuntimeException("Clip is not cleared" );
}
g2d.setClip(0 , 0 , 100 , 100 );
try {
g2d.clip(null );
throw new RuntimeException("NPE is expected" );
} catch (NullPointerException e) {
//expected
System.out.println("NPE is thrown" );
}
}
}
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(vorverarbeitet am 2026-10-11)
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