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6436374: Graphics.setColor(null) is not documented
Reviewed-by: serb, pbansal
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prsadhuk committed Feb 4, 2021
1 parent 82028e7 commit 60f440d
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1 change: 1 addition & 0 deletions src/java.desktop/share/classes/java/awt/
Expand Up @@ -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
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47 changes: 47 additions & 0 deletions test/jdk/java/awt/color/
@@ -0,0 +1,47 @@
* Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved.
* 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 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();


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

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