RFR: 8328716: [TestBug] Screen capturing utility for failed tests

[Andy Goryachev]

On Fri, 28 Mar 2025 21:07:21 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

>> Introduce a facility, in the form of JUnit5 annotation, to allow for capturing a desktop screenshot of a failed test.
>> 
>> The primary intent is to be able to debug an intermittent test case, rather than wholesale addition of the new annotation to all the tests.
>> 
>> A possible improvement could be to output a data URL
>> 
>> `data:image/png;base64,iVBORw0KGgoAAAANSUhEU...`
>> 
>> so it can be rendered in Safari (Chrome truncates the image possibly due to following a url length limit)
>
> tests/system/src/test/java/test/util/ScreenCaptureTestWatcher.java line 64:
> 
>> 62:  * <p>
>> 63:  * WARNING: using this utility may significantly increase the size of your logs!
>> 64:  * Make sure there is plenty of free disk space.
> 
> Given my earlier comment about this needing to be qualified by a system property, this comment should also go in `build.gradle` where the property is defined.

see the earlier comment about the intermittent tests

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PR Review Comment: https://git.openjdk.org/jfx/pull/1746#discussion_r2021228036