RFR: 8144030: [macosx] test java/awt/Frame/ShapeNotSetSometimes/ShapeNotSetSometimes.java fails (again)

[Alexander Zvegintsev]

On Wed, 13 Apr 2022 21:28:35 GMT, Alexander Zvegintsev <azvegint at openjdk.org> wrote:

> This test has two undecorated frames: 
> 
> 1. background, 300x300
> 2. shaped foreground, 200x200
> 
> After displaying this frames it tries to check color outside of shape but within frame 2 bounds.
> 
> Unfortunately, on Linux and macOS there is a shadow around the shaped frame:
> ![image](https://user-images.githubusercontent.com/77687766/163270586-8dd97e93-582f-481f-999d-f08d4aaafba1.png)
> (changed color to green to make it more noticeable).
> 
> One way to fix the test would be to add tolerance to color check.
> But with old check points blue color may vary in 222-255 range, which is a bit too much.
> 
> Instead of this I made this shaped window  the size of background window. 
> This allows us to move check points away from shape border and its shadow, but still be able to check whether shape is applied or not.
> 
> Testing is green on all platforms.

test/jdk/java/awt/Frame/ShapeNotSetSometimes/ShapeNotSetSometimes.java line 144:

> 142:                         point.y,
> 143:                         BACKGROUND_COLOR
> 144:                 );

Dunno why the old version was not checking inner points, but I've added one just to check if the shaped frame is above background one.

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PR: https://git.openjdk.java.net/jdk/pull/8233