fs: add tests for null WriteParams members throwing TypeError - #58156

[taskcluster 2026-03-01 18:49:45.708Z] Task ID: V5Q6ShJSR_ylbEaoSm0FwQ
[taskcluster 2026-03-01 18:49:45.708Z] Worker ID: 1605284226549758798
[taskcluster 2026-03-01 18:49:45.708Z] Worker Group: us-central1-f
[taskcluster 2026-03-01 18:49:45.708Z] Worker Node Type: projects/757942385826/machineTypes/n2-standard-4
[taskcluster 2026-03-01 18:49:45.708Z] Worker Pool: proj-wpt/ci
[taskcluster 2026-03-01 18:49:45.708Z] Worker Version: 46.1.0
[taskcluster 2026-03-01 18:49:45.708Z] Public IP: 34.41.150.41
[taskcluster 2026-03-01 18:49:45.708Z] Hostname: proj-wpt-ci-wr7viadrrgwrw-q-jo9rmg

[taskcluster 2026-03-01 18:49:46.681Z] === 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

...(265 lines hidden)...

Failed to read: session.screen0.showwindowposition
Setting default value
Failed to read: session.screen0.autoRaise
Setting default value
Failed to read: session.screen0.clickRaises
Setting default value
Failed to read: session.screen0.defaultDeco
Setting default value
Failed to read: session.screen0.tab.placement
Setting default value
Failed to read: session.screen0.windowMenu
Setting default value
Failed to read: session.screen0.noFocusWhileTypingDelay
Setting default value
Failed to read: session.screen0.workspaces
Setting default value
Failed to read: session.screen0.edgeSnapThreshold
Setting default value
Failed to read: session.screen0.window.focus.alpha
Setting default value
Failed to read: session.screen0.window.unfocus.alpha
Setting default value
Failed to read: session.screen0.menu.alpha
Setting default value
Failed to read: session.screen0.menuDelay
Setting default value
Failed to read: session.screen0.tab.width
Setting default value
Failed to read: session.screen0.tooltipDelay
Setting default value
Failed to read: session.screen0.allowRemoteActions
Setting default value
Failed to read: session.screen0.clientMenu.usePixmap
Setting default value
Failed to read: session.screen0.tabs.usePixmap
Setting default value
Failed to read: session.screen0.tabs.maxOver
Setting default value
Failed to read: session.screen0.tabs.intitlebar
Setting default value
Failed to read: session.screen0.focusModel
Setting default value
Failed to read: session.screen0.tabFocusModel
Setting default value
Failed to read: session.screen0.focusNewWindows
Setting default value
Failed to read: session.screen0.focusSameHead
Setting default value
Failed to read: session.screen0.rowPlacementDirection
Setting default value
Failed to read: session.screen0.colPlacementDirection
Setting default value
Failed to read: session.screen0.windowPlacement
Setting default value
Failed to read: session.screen0.slit.acceptKdeDockapps
Setting default value
Failed to read: session.screen0.slit.autoHide
Setting default value
Failed to read: session.screen0.slit.maxOver
Setting default value
Failed to read: session.screen0.slit.placement
Setting default value
Failed to read: session.screen0.slit.alpha
Setting default value
Failed to read: session.screen0.slit.onhead
Setting default value
Failed to read: session.screen0.slit.layer
Setting default value
Failed to read: session.screen0.toolbar.autoHide
Setting default value
Failed to read: session.screen0.toolbar.maxOver
Setting default value
Failed to read: session.screen0.toolbar.visible
Setting default value
Failed to read: session.screen0.toolbar.alpha
Setting default value
Failed to read: session.screen0.toolbar.layer
Setting default value
Failed to read: session.screen0.toolbar.onhead
Setting default value
Failed to read: session.screen0.toolbar.placement
Setting default value
Failed to read: session.screen0.toolbar.height
Setting default value
Failed to read: session.screen0.iconbar.mode
Setting default value
Failed to read: session.screen0.iconbar.alignment
Setting default value
Failed to read: session.screen0.iconbar.iconWidth
Setting default value
Failed to read: session.screen0.iconbar.iconTextPadding
Setting default value
Failed to read: session.screen0.iconbar.usePixmap
Setting default value
 0:00.00 INFO Set tests_root to /home/test/web-platform-tests
 0:00.00 INFO Set metadata_root to /home/test/web-platform-tests
 0:00.00 INFO Set manifest_update to True
 0:00.00 INFO Set manifest_download to True
 0:09.80 INFO Identified 1 affected tests
 0:09.80 INFO Using certutil /usr/bin/certutil
 0:09.80 INFO Downloading geckodriver
 0:09.80 INFO Attempting to install webdriver from nightly
 0:10.20 INFO Extracted geckodriver to /home/test/web-platform-tests/_venv3/bin/geckodriver
 0:10.20 INFO Installed b'geckodriver 0.36.0 (ac66d1c9d3b2 2026-02-26 22:36 +0000)'
 0:14.48 INFO Getting profile data from git ref 3c918058f580ec2cd39d80c9f77ccd06982c0029
 0:15.03 INFO Test prefs downloaded to /home/test/web-platform-tests/_venv3/profiles/3c918058f580ec2cd39d80c9f77ccd06982c0029/150.0a1
[1320] Sandbox: CanCreateUserNamespace() clone() failure: EPERM
 0:15.15 mozversion INFO application_buildid: 20260301091022
 0:15.15 mozversion INFO application_changeset: d196b0e15fb423d4e8dea0a6a924664ca6a7248f
 0:15.15 mozversion INFO application_display_name: Firefox Nightly
 0:15.15 mozversion INFO application_id: {ec8030f7-c20a-464f-9b0e-13a3a9e97384}
 0:15.15 mozversion INFO application_name: Firefox
 0:15.15 mozversion INFO application_remotingname: firefox-nightly
 0:15.15 mozversion INFO application_repository: https://hg.mozilla.org/mozilla-central
 0:15.15 mozversion INFO application_vendor: Mozilla
 0:15.15 mozversion INFO application_version: 150.0a1
 0:15.15 mozversion INFO platform_buildid: 20260301091022
 0:15.15 mozversion INFO platform_changeset: d196b0e15fb423d4e8dea0a6a924664ca6a7248f
 0:15.15 mozversion INFO platform_repository: https://hg.mozilla.org/mozilla-central
 0:15.15 mozversion INFO platform_version: 150.0a1
 0:20.80 INFO Installed font: Ahem.ttf
 0:21.68 wptserve INFO Starting http server on http://127.0.0.1:8002
 0:21.73 wptserve INFO Starting http server on http://127.0.0.1:8000
 0:21.75 wptserve INFO Starting https server on https://127.0.0.1:8444
 0:21.75 wptserve INFO Starting https server on https://127.0.0.1:8443
 0:21.76 wptserve INFO Starting http server on http://127.0.0.1:8001
 0:21.79 wptserve INFO Starting http2 server on https://127.0.0.1:9000
 0:21.80 wptserve INFO Starting http server on http://127.0.0.1:8003
 0:21.81 wptserve INFO Starting https server on https://127.0.0.1:8445
 0:21.82 wptserve INFO Starting https server on https://127.0.0.1:8446
 0:21.82 wptserve INFO Create socket on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 0:21.82 wptserve INFO Bind on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 0:21.82 wptserve INFO Listen on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 0:21.82 wptserve INFO Create socket on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 0:21.83 wptserve INFO Bind on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 0:21.83 wptserve INFO Listen on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 0:21.91 wptserve INFO Starting WebTransport over HTTP/3 server on 127.0.0.1:11000
 0:22.23 SUITE_START: web-platform-test - running 2 tests
mem avail: 14397 of 15806 MiB (91.09%), swap free:    0 of    0 MiB ( 0.00%)
 0:51.18 INFO Using 1 child processes
 0:51.19 INFO Setting up ssl
 0:51.21 certutil Full command: /usr/bin/certutil -N -d /tmp/tmpvf9z0mz6.mozrunner -f /tmp/tmpvf9z0mz6.mozrunner/.crtdbpw
certutil b''
 0:51.23 certutil b''
 0:51.23 certutil b'\nCertificate Nickname                                         Trust Attributes\n                                                             SSL,S/MIME,JAR/XPI\n\nweb-platform-tests                                           CT,, \n'
 0:51.23 INFO Application command: /home/test/build/firefox/firefox --marionette --remote-allow-system-access about:blank -profile /tmp/tmpr6vchyr8
 0:51.24 INFO Starting runner
 0:51.25 pid:1424 Full command: /home/test/build/firefox/firefox --marionette --remote-allow-system-access about:blank
pid:1424 [1424] Sandbox: CanCreateUserNamespace() clone() failure: EPERM
 0:51.77 pid:1424 1772391100712	Marionette	INFO	Marionette enabled
 0:51.87 pid:1424 1772391100804	Marionette	INFO	Listening on port 52623
Failed to read: session.screen0.titlebar.left
Setting default value
Failed to read: session.screen0.titlebar.right
Setting default value
 0:54.44 pid:1424 console.error: services.settings:
 0:54.44 pid:1424   Message: EmptyDatabaseError: "main/nimbus-desktop-experiments" has not been synced yet
 0:54.44 pid:1424   Stack:
 0:54.44 pid:1424     EmptyDatabaseError@resource://services-settings/Database.sys.mjs:19:5
 0:54.44 pid:1424 list@resource://services-settings/Database.sys.mjs:96:13
 0:54.62 pid:1424 console.warn: BackupService: "There was an error while trying to get the Document's directory" [Exception... "Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsIProperties.get]"  nsresult: "0x80004005 (NS_ERROR_FAILURE)"  location: "JS frame :: resource:///modules/backup/BackupService.sys.mjs :: get docsDirFolderPath :: line 1204"  data: no]
 0:54.86 TEST_START: /fs/FileSystemWritableFileStream-write.https.any.worker.html
 0:56.53 pid:1424 IPDL protocol Error: Received an invalid file descriptor
 0:56.64 TEST_END: Test OK. Subtests passed 31/31. Unexpected 0
 0:56.64 TEST_START: /fs/FileSystemWritableFileStream-write.https.any.html
 0:56.65 INFO Closing window 23fceae4-e2f6-4b89-828b-35f08ba67e7f
 0:57.74 pid:1424 IPDL protocol Error: Received an invalid file descriptor
 0:57.86 TEST_END: Test OK. Subtests passed 31/31. Unexpected 0
 0:57.86 INFO No more tests
 0:57.86 pid:1424 1772391106797	Marionette	INFO	Stopped listening on port 52623
 0:58.47 INFO Browser exited with return code -15
 0:58.34 INFO Closing logging queue
 0:58.34 INFO queue closed
 0:58.48 SUITE_END

web-platform-test
~~~~~~~~~~~~~~~~~
Ran 64 checks (62 subtests, 2 tests)
Expected results: 64
Unexpected results: 0
OK
 0:58.48 INFO Got 0 unexpected results, with 0 unexpected passes
 0:58.48 wptserve INFO Stopped http server on 127.0.0.1:8000
 0:58.48 wptserve INFO Stopped http server on 127.0.0.1:8001
 0:58.49 wptserve INFO Stopped http server on 127.0.0.1:8002
 0:58.49 wptserve INFO Stopped http server on 127.0.0.1:8003
 0:58.49 wptserve INFO Stopped http server on 127.0.0.1:8443
 0:58.50 wptserve INFO Stopped http server on 127.0.0.1:8444
 0:58.50 wptserve INFO Stopped http server on 127.0.0.1:8445
 0:58.50 wptserve INFO Stopped http server on 127.0.0.1:8446
 0:58.51 wptserve INFO Stopped http server on 127.0.0.1:9000
 0:58.51 wptserve INFO Stopped WebTransport over HTTP/3 server on 127.0.0.1:11000
 0:58.77 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 0:58.78 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 0:58.83 INFO Removed font: Ahem.ttf
 0:58.85 INFO Closing logging queue
 0:58.85 INFO queue closed
[taskcluster 2026-03-01 18:51:49.658Z] === Task Finished ===
[taskcluster 2026-03-01 18:51:50.689Z] Successful task run with exit code: 0 completed in 124.981 seconds