kitesurf · WPT

FAIL

expected FAIL · 484 ms

Test: /html/semantics/embedded-content/media-elements/interfaces/HTMLElement/HTMLMediaElement/addTextTrack.html
Actual: FAIL
Expected: FAIL
Unexpected: no
Duration: 484 ms
Harness: OK
Counts: —
Reason: —
Run: https://kitesurf.rendering.cfdata.org/?url=http%3A%2F%2Fwpt.live%2Fhtml%2Fsemantics%2Fembedded-content%2Fmedia-elements%2Finterfaces%2FHTMLElement%2FHTMLMediaElement%2FaddTextTrack.html ↗
Upstream: view on github.com/web-platform-tests/wpt ↗

Subtests

status	subtest	message
FAIL	HTMLMediaElement.addTextTrack bogus first arg	assert_throws_js: function "function(){ video.addTextTrack('foo'); }" did not throw
FAIL	HTMLMediaElement.addTextTrack uppercase first arg	assert_throws_js: function "function(){ video.addTextTrack('SUBTITLES'); }" did not throw
FAIL	HTMLMediaElement.addTextTrack subtitles first arg	assert_true: expected true got false
FAIL	HTMLMediaElement.addTextTrack captions first arg	assert_true: expected true got false
FAIL	HTMLMediaElement.addTextTrack descriptions first arg	assert_true: expected true got false
FAIL	HTMLMediaElement.addTextTrack chapters first arg	assert_true: expected true got false
FAIL	HTMLMediaElement.addTextTrack metadata first arg	assert_true: expected true got false
FAIL	HTMLMediaElement.addTextTrack undefined second and third arg	assert_true: expected true got false
FAIL	HTMLMediaElement.addTextTrack null second and third arg	assert_equals: expected "null" but got ""
FAIL	HTMLMediaElement.addTextTrack foo and bar second and third arg	assert_true: expected true got false
FAIL	HTMLMediaElement.addTextTrack foo second arg, third arg omitted	assert_true: expected true got false

bundle built 2026-07-16T07:16:48.063Z