Integrated: 8088739: [TestBug] RegionBackgroundImageUITest fail with timeout error

[Ambarish Rapte]

On Fri, 30 Oct 2020 16:04:51 GMT, Ambarish Rapte <arapte at openjdk.org> wrote:

> Each test in RegionBackgroundImageUITest makes several calls to `robot.getPixelColor()` on App thread. Due to this each test requires more than **60** seconds for execution.
> 
> Fix is to save a screen capture of Scene (on App thread) and then read pixel color from the screen capture(not on app thread). This reduces execution time of each test to less than **3** seconds.
> Ideally with this fix(commit#1) all the tests should pass. All tests do pass on Windows and Linux but three tests fail on Mac, which used to pass without this change.
> - RegionBackgroundImageUITest.unalignedImage
> - RegionBackgroundFillUITest.testScenario2
> - RegionBackgroundFillUITest.testScenario3
> 
> commit#2 solves the above problem. Solution is to fallback to test color again by reading it using `robot.getPixelColor()` on App thread when a test fails.
> 
> One test RegionBackgroundImageUITest.unalignedImage_Cover, fails only on Mac platform, before and after this fix.
> It is reported as a new issue [JDK-8255679](https://bugs.openjdk.java.net/browse/JDK-8255679)
> 
> This is a test fix and affects only the tests that extend from `RegionUITestBase` test class and does not affect other tests.
> Verified that `RegionBackgroundImageUITest` and `RegionBackgroundFillUITest` tests pass on all three platforms(except RegionBackgroundImageUITest.unalignedImage_Cover which fails on Mac).

This pull request has now been integrated.

Changeset: 56f2e17f
Author:    Ambarish Rapte <arapte at openjdk.org>
URL:       https://git.openjdk.java.net/jfx/commit/56f2e17f
Stats:     70 lines in 3 files changed: 65 ins; 3 del; 2 mod

8088739: [TestBug] RegionBackgroundImageUITest fail with timeout error

Reviewed-by: kcr

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PR: https://git.openjdk.java.net/jfx/pull/344