RFR: 8298500: Create test to initially show stage with various attributes (iconified, maximized, full screen)

[Kevin Rushforth]

On Fri, 15 Sep 2023 12:20:11 GMT, Lukasz Kostyra <lkostyra at openjdk.org> wrote:

>> tests/system/src/test/java/test/robot/javafx/stage/AttributesTest.java line 111:
>> 
>>> 109: 
>>> 110:             topStage.setIconified(true);
>>> 111:         });
>> 
>> This will show the stage before setting it as iconified. Testing correct behavior for a stage that is initially iconified/maximized/fullScreen prior to showing the stage is the main purpose of this test enhancement, so you will need to do something like split the creation and showing of the stages into separate methods or pass flags for the initial state of those three attributes as arguments to the setupStages method.
>
> Seems like testing both pre- and post-show behaviors would be the best option. I'll expand this to test both paths.

The post-show behavior is already covered by other tests (e.g., IconifyTest). It wouldn't hurt to provide additional tests if easy, but it's not really necessary.

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PR Review Comment: https://git.openjdk.org/jfx/pull/1240#discussion_r1327247844