<Swing Dev> RFR: 8196099: javax/swing/text/CSSBorder/6796710/bug6796710.java fails

[Prasanta Sadhukhan]

On Fri, 30 Oct 2020 06:11:40 GMT, Sergey Bylokhov <serb at openjdk.org> wrote:

> This test could fail on windows for two reasons:
>  - The window does not fit the small screen, and the robot captures the image outside the screen. Especially if the screen is small but some scale (like 150%) is set.
>  - The test paints and captures the button in the frame, then resize the frame and again paint and captures the button. The problem occurs if the fractional scale is used(like 125%), in that case, the button could be shifted by one pixel due to rounding depending on what position it was started to be drawn.
> 
> The solution is to always use the same uiscale=1, an updated test still can reproduce the JDK-6796710

test/jdk/javax/swing/text/CSSBorder/6796710/bug6796710.java line 130:

> 128:         BufferedImage pnBottomImage = getPnBottomImage();
> 129:         if (!Util.compareBufferedImages(bufferedImage, pnBottomImage)) {
> 130:             ImageIO.write(bufferedImage, "png", new File("bufferedImage"));

I guess .png extension needs to be added to new File()

-------------

PR: https://git.openjdk.java.net/jdk/pull/950