Skip to content
Permalink
Browse files
6436374: Graphics.setColor(null) is not documented
Reviewed-by: serb, pbansal
  • Loading branch information
prsadhuk committed Feb 4, 2021
1 parent 82028e7 commit 60f440deb9df271796414842214bc8d60f941d92
Showing with 48 additions and 0 deletions.
  1. +1 −0 src/java.desktop/share/classes/java/awt/Graphics.java
  2. +47 −0 test/jdk/java/awt/color/TestNullSetColor.java
@@ -193,6 +193,7 @@ public Graphics create(int x, int y, int width, int height) {
* Sets this graphics context's current color to the specified
* color. All subsequent graphics operations using this graphics
* context use this specified color.
* A null argument is silently ignored.
* @param c the new rendering color.
* @see java.awt.Color
* @see java.awt.Graphics#getColor
@@ -0,0 +1,47 @@
/*
* 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.
*/


import java.awt.Graphics;
import java.awt.Color;
import java.awt.image.BufferedImage;

/**
* @test
* @bug 6436374
* @summary Verifies that passing null to setColor() will be ignored.
*/
public class TestNullSetColor {

public static void main(String[] argv) {
BufferedImage bi = new BufferedImage(100, 100, BufferedImage.TYPE_INT_ARGB);
Graphics g = bi.getGraphics();

g.setColor(Color.RED);
g.setColor(null);

if (g.getColor() != Color.RED) {
throw new RuntimeException("Setting setColor(null) is not ignored");
}
}
}

0 comments on commit 60f440d

Please sign in to comment.