Closed Bug 1462484 Opened 6 years ago Closed 6 years ago

[wpt-sync] Sync PR 7215 - [intersection-observer] Test isIntersecting change events

Categories

(Core :: Layout, enhancement, P4)

Product:
Core
Component:
Layout
Type:
enhancement

Tracking

()

Status:
RESOLVED FIXED
Milestone:
mozilla62
Tracking Flags:
Tracking Status
firefox62 --- fixed

People

(Reporter: mozilla.org, Unassigned)

References

(
URL
)

Details

(Whiteboard: [wptsync downstream]) 

Sync web-platform-tests PR 7215 into mozilla-central (this bug is closed when the sync is complete).

PR: https://github.com/w3c/web-platform-tests/pull/7215
Details from upstream follow.

Nolan Lawson <nolan@nolanlawson.com> wrote:
>  [intersection-observer] Test isIntersecting change events
>  
>  This is a test for the change introduced in https://github.com/w3c/IntersectionObserver/pull/245. The main difference with the previous version of the spec is that the observer fires events when `isIntersecting` changes but `thresholdsIndex` does not, which covers some odd edge-adjacency scenarios.
>  
>  On my machine, Chrome 60 and Edge 16 prerelease (e.g. [public insider 16275](https://blogs.windows.com/windowsexperience/2017/08/25/announcing-windows-10-insider-preview-build-16275-pc-build-15245-mobile/)) pass the 5 new tests, whereas Firefox Nightly (57.0a1 2017-08-31) does not. This is to be expected given discussion in https://github.com/w3c/IntersectionObserver/pull/222.
>  
>  /cc @szager-chromium @tobytailor @scottlow
>  
>  
>
Component: web-platform-tests → Layout
Product: Testing → Core
Ran 22 tests and 93 subtests
OK     : 22
PASS   : 93
Pushed by wptsync@mozilla.com:
https://hg.mozilla.org/integration/mozilla-inbound/rev/ae241e7a0db5
[wpt PR 7215] - [intersection-observer] Test isIntersecting change events, a=testonly
https://hg.mozilla.org/mozilla-central/rev/ae241e7a0db5
Status: NEW → RESOLVED
Closed: 6 years ago
status-firefox62: --- → fixed
Resolution: --- → FIXED
Target Milestone: --- → mozilla62
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