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6211257: BasicStroke.createStrokedShape(Shape): NPE is not specified
Reviewed-by: serb, prr, aivanov
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prsadhuk committed Feb 10, 2021
1 parent 4619f37 commit 3af334a5c7ef8528ae67aea01f79905ecd71e964
Showing with 45 additions and 0 deletions.
  1. +1 −0 src/java.desktop/share/classes/java/awt/BasicStroke.java
  2. +44 −0 test/jdk/java/awt/BasicStroke/TestNullShape.java
@@ -294,6 +294,7 @@ public BasicStroke() {
* stroked outline of a specified {@code Shape}.
* @param s the {@code Shape} boundary be stroked
* @return the {@code Shape} of the stroked outline.
* @throws NullPointerException if {@code s} is {@code null}
*/
public Shape createStrokedShape(Shape s) {
sun.java2d.pipe.RenderingEngine re =
@@ -0,0 +1,44 @@
/*
* 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.
*
* 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 6211257
* @summary Verifies NPE is thrown for BasicStroke.createStrokedShape(null).
*/
import java.awt.BasicStroke;
import java.awt.Shape;

public class TestNullShape {

public static void main(String[] args) {

BasicStroke bs = new BasicStroke();
try {
Shape s = bs.createStrokedShape(null);
System.out.println("result: false");
throw new RuntimeException("NPE is expected");
} catch (NullPointerException ne) {
System.out.println("result (npe): true");
}
}
}

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