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Relative <base> in about:blank documents (tracking)#61231

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clone-base-url-about-blank-relative
Draft

Relative <base> in about:blank documents (tracking)#61231
annevk wants to merge 4 commits into
masterfrom
clone-base-url-about-blank-relative

Flip relative <base> expectations to resolve against the document's o…

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Community-TC Integration / wpt-chrome-dev-results succeeded Jul 12, 2026 in 3m 58s

Community-TC (pull_request)

Collect results for all tests affected by a pull request in chrome.

Details

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

Task Status

Started: 2026-07-12T09:09:41.876Z
Resolved: 2026-07-12T09:13:39.177Z
Task Execution Time: 3 minutes, 57 seconds, 301 milliseconds
Task Status: completed
Reason Resolved: completed
TaskId: bRFZUQqCT8WFUBf_KYtqwg
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=dev --no-fail-on-unexpected --log-wptreport=../artifacts/wpt_report.json --log-wptscreenshot=../artifacts/wpt_screenshot.txt --affected base_head --log-mach-level=info --log-mach=- -y --no-pause --no-restart-on-unexpected --install-fonts --verify-log-full --no-headless --enable-swiftshader --install-browser --install-webdriver chrome

[taskcluster 2026-07-12 09:09:41.953Z] Task ID: bRFZUQqCT8WFUBf_KYtqwg
[taskcluster 2026-07-12 09:09:41.953Z] Worker ID: 8734952602417948537
[taskcluster 2026-07-12 09:09:41.953Z] Worker Group: us-central1-b
[taskcluster 2026-07-12 09:09:41.953Z] Worker Node Type: projects/757942385826/machineTypes/n2-standard-4
[taskcluster 2026-07-12 09:09:41.953Z] Worker Pool: proj-wpt/ci
[taskcluster 2026-07-12 09:09:41.953Z] Worker Version: 46.1.0
[taskcluster 2026-07-12 09:09:41.953Z] Public IP: 136.65.240.132
[taskcluster 2026-07-12 09:09:41.953Z] Hostname: proj-wpt-ci-rtbxixzosvcmil3ntbyccg

66587c81b81a - Started downloading
b1e71f63927a - Started downloading
5b82b858ea7e - Started downloading
b1e71f63927a - Downloaded in 0.164 seconds
66587c81b81a - Downloaded in 0.27 seconds
08c7e224535e - Started downloading
08c7e224535e - Downloaded in 0.053 seconds
32bbaaf98e4c - Started downloading
4f4fb700ef54 - Started downloading
4f4fb700ef54 - Downloaded in 0.003 seconds
dd5257950bd4 - Started downloading

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Setting default value
Failed to read: session.screen0.showwindowposition
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Failed to read: session.screen0.autoRaise
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Failed to read: session.screen0.tab.placement
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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
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Failed to read: session.screen0.window.unfocus.alpha
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Failed to read: session.screen0.menu.alpha
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Failed to read: session.screen0.menuDelay
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Failed to read: session.screen0.tab.width
Setting default value
Failed to read: session.screen0.tooltipDelay
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Failed to read: session.screen0.allowRemoteActions
Setting default value
Failed to read: session.screen0.clientMenu.usePixmap
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Failed to read: session.screen0.tabs.usePixmap
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Failed to read: session.screen0.tabs.maxOver
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Failed to read: session.screen0.tabs.intitlebar
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Failed to read: session.screen0.focusModel
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Failed to read: session.screen0.tabFocusModel
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Failed to read: session.screen0.focusNewWindows
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Failed to read: session.screen0.focusSameHead
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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
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Failed to read: session.screen0.slit.autoHide
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Failed to read: session.screen0.slit.maxOver
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Failed to read: session.screen0.slit.alpha
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Failed to read: session.screen0.slit.onhead
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Failed to read: session.screen0.slit.layer
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Failed to read: session.screen0.toolbar.autoHide
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Failed to read: session.screen0.toolbar.maxOver
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Failed to read: session.screen0.toolbar.visible
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Failed to read: session.screen0.toolbar.alpha
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Failed to read: session.screen0.toolbar.layer
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Failed to read: session.screen0.toolbar.onhead
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Failed to read: session.screen0.toolbar.placement
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Failed to read: session.screen0.toolbar.height
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Failed to read: session.screen0.iconbar.mode
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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
Warning: could not load product 'firefox_android' for argument registration: No module named 'mozrunner'
Warning: could not load product 'firefox' for argument registration: No module named 'mozleak'
 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
mem avail: 14649 of 15806 MiB (92.68%), swap free:    0 of    0 MiB ( 0.00%)
 0:44.18 INFO Identified 3 affected tests
 0:44.18 INFO Installing browser
 0:44.24 INFO Downloading Chrome for Testing from https://storage.googleapis.com/chrome-for-testing-public/152.0.7939.3/linux64/chrome-linux64.zip
 0:49.48 INFO Downloading Mojo bindings from https://storage.googleapis.com/chrome-for-testing-public/152.0.7939.3/mojojs.zip
 0:49.54 INFO MojoJS enabled automatically (mojojs_path: /home/test/web-platform-tests/_venv3/mojojs/gen)
 0:49.58 INFO Download info for matching ChromeDriver version found.
 0:49.58 INFO Downloading ChromeDriver from https://storage.googleapis.com/chrome-for-testing-public/152.0.7939.3/linux64/chromedriver-linux64.zip
 0:49.99 INFO Automatically turning on experimental features
 1:02.75 INFO Installed font: Ahem.ttf
 1:04.16 wptserve INFO Starting http server on http://127.0.0.1:8000
 1:04.19 wptserve INFO Starting http server on http://127.0.0.1:8002
 1:04.22 wptserve INFO Starting http server on http://127.0.0.1:8001
 1:04.22 wptserve INFO Starting http server on http://127.0.0.1:8003
 1:04.27 wptserve INFO Starting http2 server on https://127.0.0.1:9000
 1:04.27 wptserve INFO Create socket on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 1:04.27 wptserve INFO Bind on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 1:04.27 wptserve INFO Listen on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 1:04.28 wptserve INFO Starting https server on https://127.0.0.1:8446
 1:04.29 wptserve INFO Starting https server on https://127.0.0.1:8445
 1:04.30 wptserve INFO Starting https server on https://127.0.0.1:8443
 1:04.30 wptserve INFO Create socket on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 1:04.30 wptserve INFO Starting https server on https://127.0.0.1:8444
 1:04.31 wptserve INFO Bind on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 1:04.31 wptserve INFO Listen on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 1:04.38 wptserve INFO Starting WebTransport over HTTP/3 server on 127.0.0.1:11000
 1:05.16 SUITE_START: web-platform-test - running 3 tests
 1:11.31 INFO Using 1 child processes
 1:11.31 INFO Starting WebDriver: /home/test/web-platform-tests/_venv3/bin/chrome/chromedriver --port=43387 --ignore-explicit-port --url-base=/ --enable-chrome-logs --disable-build-check
 1:11.34 INFO Got WebDriver port 38833
 1:11.44 pid:2842 Full command: /home/test/web-platform-tests/_venv3/bin/chrome/chromedriver --port=43387 --ignore-explicit-port --url-base=/ --enable-chrome-logs --disable-build-check
pid:2842 Starting ChromeDriver 152.0.7939.3 (a973c6b860cb19ae4ef6a52d1a086cffc3941a24-refs/branch-heads/7939@{#6}) on port 0
 1:11.44 pid:2842 Only local connections are allowed.
 1:11.44 pid:2842 Please see https://chromedriver.chromium.org/security-considerations for suggestions on keeping ChromeDriver safe.
 1:11.44 pid:2842 ChromeDriver was started successfully on port 38833.
 1:11.44 INFO Webdriver started successfully.
 1:11.44 INFO Starting runner
 1:13.50 pid:2842 [1783847606.589][WARNING]: You are using an unsupported command-line switch: --disable-build-check. Please don't report bugs that cannot be reproduced with this switch removed.
 1:13.51 pid:2842 [2896:2896:0712/091326.599916:WARNING:media/gpu/vaapi/vaapi_wrapper.cc:1655] drmGetDevices2() has not found any devices
 1:13.53 pid:2842 [2896:2896:0712/091326.614960:WARNING:sandbox/policy/linux/sandbox_linux.cc:405] InitializeSandbox() called with multiple threads in process gpu-process.
 1:13.54 pid:2842 [2896:2896:0712/091326.625162:WARNING:ui/gfx/linux/gbm_support_x11.cc:48] dri3 extension not supported.
Failed to read: session.screen0.titlebar.left
Setting default value
Failed to read: session.screen0.titlebar.right
Setting default value
 1:13.76 pid:2842 [2859:2859:0712/091326.844383:ERROR:dbus/object_proxy.cc:572] Failed to call method: org.freedesktop.DBus.Properties.GetAll: object_path= /org/freedesktop/UPower/devices/DisplayDevice: org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.UPower was not provided by any .service files
 1:13.76 pid:2842 [2859:2859:0712/091326.844411:WARNING:dbus/property.cc:174] GetAll request failed for: org.freedesktop.UPower.Device
 1:13.79 pid:2842 [2859:2859:0712/091326.879686:WARNING:ui/base/idle/idle_linux.cc:111] None of the known D-Bus ScreenSaver services could be used.
 1:13.96 TEST_START: /dom/nodes/Document-base-url-not-live.window.html
 1:14.35 TEST_END: Test OK. Subtests passed 2/2. Unexpected 0
 1:14.35 TEST_START: /dom/nodes/Document-cloneNode-about-base-url-relative.window.html
 1:14.91 TEST_END: Test OK. Subtests passed 1/2. Unexpected 1
FAIL A relative <base> in an about:blank document resolves against about:blank - assert_equals: expected "about:blank" but got "http://web-platform.test:8000/dom/nodes/sub/"
    at Test.<anonymous> (http://web-platform.test:8000/dom/nodes/Document-cloneNode-about-base-url-relative.window.js:28:3)

 1:14.91 TEST_START: /dom/nodes/Document-cloneNode-srcdoc-base-url.window.html
 1:15.34 TEST_END: Test OK. Subtests passed 1/2. Unexpected 1
FAIL A relative <base> in an about:srcdoc document resolves against about:srcdoc - assert_equals: expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
    at Test.<anonymous> (http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:24:3)

 1:15.34 INFO No more tests
 1:15.40 INFO Closing logging queue
 1:15.40 INFO queue closed
 1:15.48 SUITE_END

web-platform-test
~~~~~~~~~~~~~~~~~
Ran 9 checks (6 subtests, 3 tests)
Expected results: 7
Unexpected results: 2
  subtest: 2 (2 fail)

Error Summary
-------------
/dom/nodes/Document-cloneNode-about-base-url-relative.window.html
  FAIL A relative <base> in an about:blank document resolves against about:blank - assert_equals: expected "about:blank" but got "http://web-platform.test:8000/dom/nodes/sub/"
    at Test.<anonymous> (http://web-platform.test:8000/dom/nodes/Document-cloneNode-about-base-url-relative.window.js:28:3)
/dom/nodes/Document-cloneNode-srcdoc-base-url.window.html
  FAIL A relative <base> in an about:srcdoc document resolves against about:srcdoc - assert_equals: expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
    at Test.<anonymous> (http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:24:3)
 1:15.48 INFO Got 2 unexpected results, with 0 unexpected passes
 1:15.48 wptserve INFO Stopped http server on 127.0.0.1:8000
 1:15.48 wptserve INFO Stopped http server on 127.0.0.1:8002
 1:15.49 wptserve INFO Stopped http server on 127.0.0.1:8001
 1:15.49 wptserve INFO Stopped http server on 127.0.0.1:8003
 1:15.49 wptserve INFO Stopped http server on 127.0.0.1:8443
 1:15.49 wptserve INFO Stopped http server on 127.0.0.1:8444
 1:15.50 wptserve INFO Stopped http server on 127.0.0.1:8445
 1:15.50 wptserve INFO Stopped http server on 127.0.0.1:8446
 1:15.51 wptserve INFO Stopped WebTransport over HTTP/3 server on 127.0.0.1:11000
 1:15.51 wptserve INFO Stopped http server on 127.0.0.1:9000
 1:15.67 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 1:15.67 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 1:15.75 INFO Removed font: Ahem.ttf
 1:15.79 INFO Closing logging queue
 1:15.79 INFO queue closed
 1:15.79 INFO Tolerating 2 unexpected results
[taskcluster 2026-07-12 09:13:37.213Z] === Task Finished ===
[taskcluster 2026-07-12 09:13:38.282Z] Successful task run with exit code: 0 completed in 236.333 seconds
View more details on Community-TC Integration