Bug 208584 – [ Mac wk2 ] fast/scrolling/scroll-animator-overlay-scrollbars-clicked.html is flaky failing.

• Status: RESOLVED
• Resolution: DUPLICATE
• Component: Scrolling

[Jason Lawrence]

fast/scrolling/scroll-animator-overlay-scrollbars-clicked.html

Description:
This test is flaky failing on Mac wk2. The test appears to be flaky failing throughout the visible history. the oldest failure that I see is r251051. The diff has changed over time, r257660 has a different diff.

History:
https://results.webkit.org/?suite=layout-tests&test=fast%2Fscrolling%2Fscroll-animator-overlay-scrollbars-clicked.html&limit=50000&platform=mac&style=debug&style=release

Diff:
--- /Volumes/Data/slave/catalina-release-tests-wk2/build/layout-test-results/fast/scrolling/scroll-animator-overlay-scrollbars-clicked-expected.txt
+++ /Volumes/Data/slave/catalina-release-tests-wk2/build/layout-test-results/fast/scrolling/scroll-animator-overlay-scrollbars-clicked-actual.txt
@@ -1,7 +1,5 @@
 CONSOLE MESSAGE: MainFrameView: didAddVerticalScrollbar
 CONSOLE MESSAGE: MainFrameView: didAddHorizontalScrollbar
-CONSOLE MESSAGE: FrameView: didAddVerticalScrollbar
-CONSOLE MESSAGE: FrameView: willRemoveVerticalScrollbar
 CONSOLE MESSAGE: FrameView: didAddVerticalScrollbar
 CONSOLE MESSAGE: FrameView: willRemoveVerticalScrollbar
 CONSOLE MESSAGE: line 19: MainFrameView: mouseEnteredContentArea

[Radar WebKit Bug Importer]

<rdar://problem/60047453>

[Jason Lawrence]

I have marked this as failing while this issue is investigated.
https://trac.webkit.org/changeset/257864/webkit

[Jason Lawrence]

I can reproduce this issue on r257842 by running the command below.

run-webkit-tests --iterations 2000 --exit-after-n-failures 5 --force -f fast/scrolling/scroll-animator-overlay-scrollbars-clicked.html --no-retry

[19/2000] fast/scrolling/scroll-animator-overlay-scrollbars-clicked.html failed unexpectedly (text diff)
[20/2000] fast/scrolling/scroll-animator-overlay-scrollbars-clicked.html failed unexpectedly (text diff)
[20/2000] fast/scrolling/scroll-animator-overlay-scrollbars-clicked.html failed unexpectedly (text diff)
[26/2000] fast/scrolling/scroll-animator-overlay-scrollbars-clicked.html failed unexpectedly (text diff)
[33/2000] fast/scrolling/scroll-animator-overlay-scrollbars-clicked.html failed unexpectedly (text diff)
Exiting early after 5 failures. 30 tests run.


25 tests ran as expected, 5 didn't (1970 didn't run):

[zalan]

I don't think we should expose the didAddVerticalScrollbar/willRemoveVerticalScrollbar pairs. It does not verify correctness at all.

[Aakash Jain]

This is failing on windows consistently. 
https://results.webkit.org/?suite=layout-tests&test=fast%2Fscrolling%2Fscroll-animator-overlay-scrollbars-clicked.html&platform=win

[zalan]

*** This bug has been marked as a duplicate of bug 208833 ***