Re: RFR: JDK-8016524: [macosx] Bottom line is not visible for JTableHeader [v4]

[Prasanta Sadhukhan]

On Mon, 31 Jan 2022 07:24:08 GMT, Prasanta Sadhukhan <psadhuk...@openjdk.org> 
wrote:

>> @prsadhuk I have changed the test case to explicitly set the table and 
>> header background to white. Mach5 tests are passing on all platforms 
>> including linux now. Can you please let me know in case you are seeing any 
>> issues on Ubuntu locally, with the new test case?
>
> I now see it fail locally in windows system also along with ubuntu. windows 
> screenshot here where the border is white which is why it fails
> ![JTheaderBorder](https://user-images.githubusercontent.com/43534309/151753660-92d6021a-30d6-4215-97b0-7ab17ddb88d4.png)

It seems there's a anomaly for JTableHeader border in native and jdk in Windows 
L&F..
The system table shows here doesn't show any line
![JTheaderBorder-win](https://user-images.githubusercontent.com/43534309/151911992-846f2f21-c939-482f-9ef5-746d07c0b410.png)

whereas in our SwingSet2 we have a light grey line
![image](https://user-images.githubusercontent.com/43534309/151912084-c9cd39a5-74de-4ef9-a925-6081e8c4d294.png)

Technically, it might be construed as a bug but I guess I will prefer a 
demarcation line between header and body.
It's upto you if you want to take a look at this in a separate issue or in this.

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PR: https://git.openjdk.java.net/jdk/pull/7219