2019401 - Perma [tier 2] dom/base/test/test_lock_orientation_with_pending_fullscreen.html | No exception even if fullscreen request is pending. | single tracking bug

Status: NEW

(Core :: DOM: Core & HTML, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: chorotan [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer?job_id=550663580&repo=autoland&task=asYuhMWsQYGGEu-EnxSuvA.0
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/asYuhMWsQYGGEu-EnxSuvA/runs/0/artifacts/public/logs/live_backing.log

---

[task 2026-02-25T17:14:17.660+00:00] 17:14:17     INFO - TEST-START | dom/base/test/test_lock_orientation_with_pending_fullscreen.html
[task 2026-02-25T17:14:17.674+00:00] 17:14:17     INFO - TEST-INFO | started process screencapture
[task 2026-02-25T17:14:23.061+00:00] 17:14:23     INFO - TEST-INFO | screencapture: exit 1
[task 2026-02-25T17:14:23.061+00:00] 17:14:23     INFO - Timed out waiting for screenshot from LaunchAgent
[task 2026-02-25T17:14:23.061+00:00] 17:14:23     INFO - Buffered messages logged at 17:14:17
[task 2026-02-25T17:14:23.061+00:00] 17:14:23     INFO - add_task | Entering test_pending_fullscreen_request
[task 2026-02-25T17:14:23.061+00:00] 17:14:23     INFO - Buffered messages finished
[task 2026-02-25T17:14:23.062+00:00] 17:14:23     INFO - TEST-UNEXPECTED-FAIL | dom/base/test/test_lock_orientation_with_pending_fullscreen.html | No exception even if fullscreen request is pending.
[task 2026-02-25T17:14:23.062+00:00] 17:14:23     INFO -     SimpleTest.ok@SimpleTest/SimpleTest.js:427:16
[task 2026-02-25T17:14:23.062+00:00] 17:14:23     INFO -     test_pending_fullscreen_request@dom/base/test/test_lock_orientation_with_pending_fullscreen.html?currentTestURL=dom%2Fbase%2Ftest%2Ftest_lock_orientation_with_pending_fullscreen.html&closeWhenDone=1&showTestReport=false&expected=pass:35:5
[task 2026-02-25T17:14:23.062+00:00] 17:14:23     INFO -     async*add_task/nextTick/<@SimpleTest/SimpleTest.js:2222:34
[task 2026-02-25T17:14:23.062+00:00] 17:14:23     INFO -     nextTick@SimpleTest/SimpleTest.js:2266:11
[task 2026-02-25T17:14:23.062+00:00] 17:14:23     INFO -     setTimeout handler*SimpleTest_setTimeoutShim@SimpleTest/SimpleTest.js:928:41
[task 2026-02-25T17:14:23.062+00:00] 17:14:23     INFO -     add_task@SimpleTest/SimpleTest.js:2164:17
[task 2026-02-25T17:14:23.062+00:00] 17:14:23     INFO -     @dom/base/test/test_lock_orientation_with_pending_fullscreen.html?currentTestURL=dom%2Fbase%2Ftest%2Ftest_lock_orientation_with_pending_fullscreen.html&closeWhenDone=1&showTestReport=false&expected=pass:17:9
[task 2026-02-25T17:14:23.062+00:00] 17:14:23     INFO - add_task | Leaving test_pending_fullscreen_request
[task 2026-02-25T17:14:23.062+00:00] 17:14:23     INFO - add_task | Entering test_no_fullscreen_request
[task 2026-02-25T17:14:23.062+00:00] 17:14:23     INFO - TEST-PASS | dom/base/test/test_lock_orientation_with_pending_fullscreen.html | Should throw an exception when fullscreen request is nothing.
[task 2026-02-25T17:14:23.062+00:00] 17:14:23     INFO - add_task | Leaving test_no_fullscreen_request
[task 2026-02-25T17:14:23.062+00:00] 17:14:23     INFO - add_task | Entering test_cancel_pending_fullscreen_request
[task 2026-02-25T17:14:23.062+00:00] 17:14:23     INFO - TEST-PASS | dom/base/test/test_lock_orientation_with_pending_fullscreen.html | Should throw an exception when pending fullscreen request is canceled.
[task 2026-02-25T17:14:23.063+00:00] 17:14:23     INFO - TEST-PASS | dom/base/test/test_lock_orientation_with_pending_fullscreen.html | Fullscreen request is canceled.
[task 2026-02-25T17:14:23.063+00:00] 17:14:23     INFO - add_task | Leaving test_cancel_pending_fullscreen_request
[task 2026-02-25T17:14:23.063+00:00] 17:14:23     INFO - add_task | Entering test_dont_leak_memory_with_pending_fullscreen_request
[task 2026-02-25T17:14:23.063+00:00] 17:14:23     INFO - GECKO(5950) | JavaScript error: http://mochi.test:8888/tests/dom/base/test/file_lock_orientation_with_pending_fullscreen.html, line 13: NotSupportedError: Operation is not supported
[task 2026-02-25T17:14:23.063+00:00] 17:14:23     INFO - GECKO(5950) | JavaScript error: http://mochi.test:8888/tests/dom/base/test/test_lock_orientation_with_pending_fullscreen.html?currentTestURL=dom%2Fbase%2Ftest%2Ftest_lock_orientation_with_pending_fullscreen.html&closeWhenDone=1&showTestReport=false&expected=pass, line 115: TypeError: Fullscreen request aborted
[task 2026-02-25T17:14:23.063+00:00] 17:14:23     INFO - TEST-PASS | dom/base/test/test_lock_orientation_with_pending_fullscreen.html | lock orientation doesn't throw error at this time
[task 2026-02-25T17:14:23.063+00:00] 17:14:23     INFO - add_task | Leaving test_dont_leak_memory_with_pending_fullscreen_request
[task 2026-02-25T17:14:23.063+00:00] 17:14:23     INFO - GECKO(5950) | MEMORY STAT | vsize 404256MB | residentFast 142MB | heapAllocated 9MB
[task 2026-02-25T17:14:23.064+00:00] 17:14:23     INFO - Not taking screenshot here: see the one that was previously logged
[task 2026-02-25T17:14:23.064+00:00] 17:14:23     INFO - TEST-UNEXPECTED-FAIL | dom/base/test/test_lock_orientation_with_pending_fullscreen.html | Finished in 624ms
[task 2026-02-25T17:14:23.064+00:00] 17:14:23     INFO - {'runtime': '624'}
[task 2026-02-25T17:14:23.064+00:00] 17:14:23     INFO - TEST-INFO took 629ms

Comment 1

[BugBot [:suhaib / :marco/ :calixte]]

:rcurran, since you are the author of the regressor, bug 2017941, could you take a look?

For more information, please visit BugBot documentation.

Comment 2

[Ryan Curran]

https://phabricator.services.mozilla.com/D285031

Comment 3

[Intermittent Failures Robot]

18 failures were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 4
• autoland: 14

Table

	no_variant	xorig	xorig-cf
macosx1500-aarch64/opt	2	15	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=2019401&startday=2026-02-23&endday=2026-03-01&tree=all

Comment 4

[BugBot [:suhaib / :marco/ :calixte]]

Set release status flags based on info from the regressing bug 2017941