1571852 - [wpt-sync] Sync PR 18299 - MathML: Use non-zero axis height to test fraction shifts

Status: RESOLVED FIXED

(Core :: MathML, task, P4)

Description

[Web Platform Test Sync Bot [:wpt-sync] (Matrix: #interop:mozilla.org)]

Sync web-platform-tests PR 18299 into mozilla-central (this bug is closed when the sync is complete).

PR: https://github.com/web-platform-tests/wpt/pull/18299
Details from upstream follow.

Frédéric Wang <[e-mail]> wrote:

MathML: Use non-zero axis height to test fraction shifts

See https://github.com/mathml-refresh/mathml/issues/123

This make tests fail on WebKit/Chromium since they implement this incorrectly.

The stack tests fail on Firefox, this seems dubious to me:
https://searchfox.org/mozilla-central/source/layout/mathml/nsMathMLmfracFrame.cpp#319
(should either substract axisHeight from denShift or rather not modify the shifts at all)

Comment 1

[Web Platform Test Sync Bot [:wpt-sync] (Matrix: #interop:mozilla.org)]

Pushed to try https://treeherder.mozilla.org/#/jobs?repo=try&revision=b9e70862d457723348339dcc978f5d53934d838a

Comment 2

[Web Platform Test Sync Bot [:wpt-sync] (Matrix: #interop:mozilla.org)]

Pushed to try (stability) https://treeherder.mozilla.org/#/jobs?repo=try&revision=cfa69fa9d8ae6e7b718a1b2755d1e772afe4f766

Comment 3

[Web Platform Test Sync Bot [:wpt-sync] (Matrix: #interop:mozilla.org)]

Ran 2 tests and 17 subtests
OK     : 2
PASS   : 13
FAIL   : 4

Existing tests that now have a worse result (e.g. they used to PASS and now FAIL):
/mathml/presentation-markup/fractions/frac-parameters-2.html
    BottomDisplayStyleShiftDown: FAIL
    BottomShiftDown: FAIL
    ToShiftUp: FAIL
    TopDisplayStyleShiftUp: FAIL

Comment 4

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/mozilla-inbound/rev/ff1a1dfad00a
[wpt PR 18299] - MathML: Use non-zero axis height to test fraction shifts, a=testonly
https://hg.mozilla.org/integration/mozilla-inbound/rev/41084c11a5ce
[wpt PR 18299] - Update wpt metadata, a=testonly

Comment 5

[Natalia Csoregi [:nataliaCs]]

https://hg.mozilla.org/mozilla-central/rev/ff1a1dfad00a
https://hg.mozilla.org/mozilla-central/rev/41084c11a5ce