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Add support for `[AllowResizable]` inputs in `TextDeEncoder`

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Add support for [AllowResizable] inputs in TextDeEncoder #58636

Add support for `[AllowResizable]` inputs in `TextDeEncoder`
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Community-TC Integration / wpt-firefox-nightly-results-without-changes succeeded Mar 20, 2026 in 3m 11s

Community-TC (pull_request)

Collect results for all tests affected by a pull request in firefox but without the changes in the PR.

Details

View task in Taskcluster | View logs in Taskcluster | View task group in Taskcluster

Task Status

Started: 2026-03-20T09:54:20.499Z
Resolved: 2026-03-20T09:56:18.268Z
Task Execution Time: 1 minute, 57 seconds, 769 milliseconds
Task Status: completed
Reason Resolved: completed
TaskId: WAbRVEAdTdu4sEIqbCnf8w
RunId: 0

Artifacts

- public/logs/live_backing.log
- public/logs/live.log
- public/results/checkrun.md
- public/results/wpt_report.json.gz
- public/results/wpt_screenshot.txt.gz

WPT Command: python3 ./wpt run --channel=nightly --no-fail-on-unexpected --log-wptreport=../artifacts/wpt_report.json --log-wptscreenshot=../artifacts/wpt_screenshot.txt --affected task_head --log-mach-level=info --log-mach=- -y --no-pause --no-restart-on-unexpected --install-fonts --verify-log-full --no-headless --binary=/home/test/build/firefox/firefox firefox

[taskcluster 2026-03-20 09:54:20.592Z] Task ID: WAbRVEAdTdu4sEIqbCnf8w
[taskcluster 2026-03-20 09:54:20.592Z] Worker ID: 7957896609475372734
[taskcluster 2026-03-20 09:54:20.592Z] Worker Group: us-east1-d
[taskcluster 2026-03-20 09:54:20.592Z] Worker Node Type: projects/757942385826/machineTypes/n2-standard-4
[taskcluster 2026-03-20 09:54:20.592Z] Worker Pool: proj-wpt/ci
[taskcluster 2026-03-20 09:54:20.592Z] Worker Version: 46.1.0
[taskcluster 2026-03-20 09:54:20.592Z] Public IP: 34.148.185.174
[taskcluster 2026-03-20 09:54:20.592Z] Hostname: proj-wpt-ci-zlsghktasec2a1niicqoaw

[taskcluster 2026-03-20 09:54:21.683Z] === Task Starting ===
+ '[' '' ']'
+ '[' -d /etc/profile.d ']'
+ for i in /etc/profile.d/*.sh
+ '[' -r /etc/profile.d/01-locale-fix.sh ']'
+ . /etc/profile.d/01-locale-fix.sh
+++ /usr/bin/locale-check C.UTF-8
++ eval
+ for i in /etc/profile.d/*.sh
+ '[' -r /etc/profile.d/apps-bin-path.sh ']'
+ . /etc/profile.d/apps-bin-path.sh

...(4317 lines hidden)...

@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:36:36
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:24:17
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:22:25
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:21:38
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.worker.js:11:14
  FAIL Streaming decode: utf-16be, 2 byte window (SharedArrayBuffer) - TextDecoder.decode: ArrayBufferView branch of (ArrayBufferView or ArrayBuffer) can't be a SharedArrayBuffer or an ArrayBufferView backed by a SharedArrayBuffer
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:36:36
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:24:17
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:22:25
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:21:38
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.worker.js:11:14
  FAIL Streaming decode: utf-16be, 3 byte window (SharedArrayBuffer) - TextDecoder.decode: ArrayBufferView branch of (ArrayBufferView or ArrayBuffer) can't be a SharedArrayBuffer or an ArrayBufferView backed by a SharedArrayBuffer
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:36:36
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:24:17
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:22:25
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:21:38
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.worker.js:11:14
  FAIL Streaming decode: utf-16be, 4 byte window (SharedArrayBuffer) - TextDecoder.decode: ArrayBufferView branch of (ArrayBufferView or ArrayBuffer) can't be a SharedArrayBuffer or an ArrayBufferView backed by a SharedArrayBuffer
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:36:36
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:24:17
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:22:25
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:21:38
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.worker.js:11:14
  FAIL Streaming decode: utf-16be, 5 byte window (SharedArrayBuffer) - TextDecoder.decode: ArrayBufferView branch of (ArrayBufferView or ArrayBuffer) can't be a SharedArrayBuffer or an ArrayBufferView backed by a SharedArrayBuffer
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:36:36
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:24:17
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:22:25
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:21:38
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.worker.js:11:14
  FAIL Streaming decode: UTF-8 chunk tests (SharedArrayBuffer) - TextDecoder.decode: ArrayBufferView branch of (ArrayBufferView or ArrayBuffer) can't be a SharedArrayBuffer or an ArrayBufferView backed by a SharedArrayBuffer
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:53:31
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:44:9
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:21:38
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.worker.js:11:14
/encoding/textdecoder-streaming.any.sharedworker.html
  FAIL Streaming decode: utf-8, 1 byte window (SharedArrayBuffer) - TextDecoder.decode: ArrayBufferView branch of (ArrayBufferView or ArrayBuffer) can't be a SharedArrayBuffer or an ArrayBufferView backed by a SharedArrayBuffer
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:36:36
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:24:17
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:22:25
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:21:38
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.worker.js:11:14
  FAIL Streaming decode: utf-8, 2 byte window (SharedArrayBuffer) - TextDecoder.decode: ArrayBufferView branch of (ArrayBufferView or ArrayBuffer) can't be a SharedArrayBuffer or an ArrayBufferView backed by a SharedArrayBuffer
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:36:36
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:24:17
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:22:25
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:21:38
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.worker.js:11:14
  FAIL Streaming decode: utf-8, 3 byte window (SharedArrayBuffer) - TextDecoder.decode: ArrayBufferView branch of (ArrayBufferView or ArrayBuffer) can't be a SharedArrayBuffer or an ArrayBufferView backed by a SharedArrayBuffer
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:36:36
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:24:17
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:22:25
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:21:38
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.worker.js:11:14
  FAIL Streaming decode: utf-8, 4 byte window (SharedArrayBuffer) - TextDecoder.decode: ArrayBufferView branch of (ArrayBufferView or ArrayBuffer) can't be a SharedArrayBuffer or an ArrayBufferView backed by a SharedArrayBuffer
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:36:36
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:24:17
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:22:25
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:21:38
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.worker.js:11:14
  FAIL Streaming decode: utf-8, 5 byte window (SharedArrayBuffer) - TextDecoder.decode: ArrayBufferView branch of (ArrayBufferView or ArrayBuffer) can't be a SharedArrayBuffer or an ArrayBufferView backed by a SharedArrayBuffer
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:36:36
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:24:17
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:22:25
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:21:38
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.worker.js:11:14
  FAIL Streaming decode: utf-16le, 1 byte window (SharedArrayBuffer) - TextDecoder.decode: ArrayBufferView branch of (ArrayBufferView or ArrayBuffer) can't be a SharedArrayBuffer or an ArrayBufferView backed by a SharedArrayBuffer
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:36:36
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:24:17
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:22:25
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:21:38
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.worker.js:11:14
  FAIL Streaming decode: utf-16le, 2 byte window (SharedArrayBuffer) - TextDecoder.decode: ArrayBufferView branch of (ArrayBufferView or ArrayBuffer) can't be a SharedArrayBuffer or an ArrayBufferView backed by a SharedArrayBuffer
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:36:36
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:24:17
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:22:25
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:21:38
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.worker.js:11:14
  FAIL Streaming decode: utf-16le, 3 byte window (SharedArrayBuffer) - TextDecoder.decode: ArrayBufferView branch of (ArrayBufferView or ArrayBuffer) can't be a SharedArrayBuffer or an ArrayBufferView backed by a SharedArrayBuffer
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:36:36
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:24:17
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:22:25
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:21:38
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.worker.js:11:14
  FAIL Streaming decode: utf-16le, 4 byte window (SharedArrayBuffer) - TextDecoder.decode: ArrayBufferView branch of (ArrayBufferView or ArrayBuffer) can't be a SharedArrayBuffer or an ArrayBufferView backed by a SharedArrayBuffer
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:36:36
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:24:17
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:22:25
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:21:38
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.worker.js:11:14
  FAIL Streaming decode: utf-16le, 5 byte window (SharedArrayBuffer) - TextDecoder.decode: ArrayBufferView branch of (ArrayBufferView or ArrayBuffer) can't be a SharedArrayBuffer or an ArrayBufferView backed by a SharedArrayBuffer
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:36:36
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:24:17
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:22:25
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:21:38
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.worker.js:11:14
  FAIL Streaming decode: utf-16be, 1 byte window (SharedArrayBuffer) - TextDecoder.decode: ArrayBufferView branch of (ArrayBufferView or ArrayBuffer) can't be a SharedArrayBuffer or an ArrayBufferView backed by a SharedArrayBuffer
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:36:36
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:24:17
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:22:25
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:21:38
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.worker.js:11:14
  FAIL Streaming decode: utf-16be, 2 byte window (SharedArrayBuffer) - TextDecoder.decode: ArrayBufferView branch of (ArrayBufferView or ArrayBuffer) can't be a SharedArrayBuffer or an ArrayBufferView backed by a SharedArrayBuffer
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:36:36
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:24:17
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:22:25
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:21:38
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.worker.js:11:14
  FAIL Streaming decode: utf-16be, 3 byte window (SharedArrayBuffer) - TextDecoder.decode: ArrayBufferView branch of (ArrayBufferView or ArrayBuffer) can't be a SharedArrayBuffer or an ArrayBufferView backed by a SharedArrayBuffer
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:36:36
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:24:17
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:22:25
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:21:38
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.worker.js:11:14
  FAIL Streaming decode: utf-16be, 4 byte window (SharedArrayBuffer) - TextDecoder.decode: ArrayBufferView branch of (ArrayBufferView or ArrayBuffer) can't be a SharedArrayBuffer or an ArrayBufferView backed by a SharedArrayBuffer
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:36:36
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:24:17
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:22:25
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:21:38
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.worker.js:11:14
  FAIL Streaming decode: utf-16be, 5 byte window (SharedArrayBuffer) - TextDecoder.decode: ArrayBufferView branch of (ArrayBufferView or ArrayBuffer) can't be a SharedArrayBuffer or an ArrayBufferView backed by a SharedArrayBuffer
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:36:36
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:24:17
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:22:25
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:21:38
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.worker.js:11:14
  FAIL Streaming decode: UTF-8 chunk tests (SharedArrayBuffer) - TextDecoder.decode: ArrayBufferView branch of (ArrayBufferView or ArrayBuffer) can't be a SharedArrayBuffer or an ArrayBufferView backed by a SharedArrayBuffer
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:53:31
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:44:9
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.js:21:38
@http://web-platform.test:8000/encoding/textdecoder-streaming.any.worker.js:11:14
/webidl/ecmascript-binding/allow-resizable.html
  FAIL APIs with [AllowShared] but without [AllowResizable] throw when passed growable SharedArrayBuffers - TextEncoder.encodeInto: Argument 2 can't be a SharedArrayBuffer or an ArrayBufferView backed by a SharedArrayBuffer
@http://web-platform.test:8000/webidl/ecmascript-binding/allow-resizable.html:23:7
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/webidl/ecmascript-binding/allow-resizable.html:18:5
 0:44.62 INFO Got 13 unexpected results, with 0 unexpected passes
 0:44.62 wptserve INFO Stopped http server on 127.0.0.1:8000
 0:44.62 wptserve INFO Stopped http server on 127.0.0.1:8001
 0:44.62 wptserve INFO Stopped http server on 127.0.0.1:8002
 0:44.63 wptserve INFO Stopped http server on 127.0.0.1:8003
 0:44.63 wptserve INFO Stopped http server on 127.0.0.1:8443
 0:44.64 wptserve INFO Stopped http server on 127.0.0.1:8444
 0:44.64 wptserve INFO Stopped http server on 127.0.0.1:8445
 0:44.64 wptserve INFO Stopped http server on 127.0.0.1:8446
 0:44.64 wptserve INFO Stopped http server on 127.0.0.1:9000
 0:44.64 wptserve INFO Stopped WebTransport over HTTP/3 server on 127.0.0.1:11000
 0:44.86 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 0:44.86 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 0:44.90 INFO Removed font: Ahem.ttf
 0:44.92 INFO Closing logging queue
 0:44.92 INFO queue closed
 0:44.92 INFO Tolerating 13 unexpected results
[taskcluster 2026-03-20 09:56:14.014Z] === Task Finished ===
[taskcluster 2026-03-20 09:56:15.164Z] Successful task run with exit code: 0 completed in 114.573 seconds
View more details on Community-TC Integration