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Fix layout of fallback img elements with max-size and flow-root #56990

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Merged
chromium-wpt-export-bot merged 1 commit into from
Jan 5, 2026

Fix layout of fallback img elements with max-size and flow-root

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Fix layout of fallback img elements with max-size and flow-root #56990

Fix layout of fallback img elements with max-size and flow-root
a56a847
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Community-TC Integration / wpt-chrome-dev-results succeeded Jan 5, 2026 in 4m 30s

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: 2026-01-05T17:09:58.920Z
Resolved: 2026-01-05T17:13:21.034Z
Task Execution Time: 3 minutes, 22 seconds, 114 milliseconds
Task Status: completed
Reason Resolved: completed
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 2026-01-05 17:09:59.027Z] Task ID: Sb_92y9xQeifbsZo1WGZhA
[taskcluster 2026-01-05 17:09:59.027Z] Worker ID: 8111619003752272153
[taskcluster 2026-01-05 17:09:59.027Z] Worker Group: us-east1-c
[taskcluster 2026-01-05 17:09:59.027Z] Worker Node Type: projects/757942385826/machineTypes/n2-standard-4
[taskcluster 2026-01-05 17:09:59.027Z] Worker Pool: proj-wpt/ci
[taskcluster 2026-01-05 17:09:59.027Z] Worker Version: 46.1.0
[taskcluster 2026-01-05 17:09:59.027Z] Public IP: 35.231.187.2
[taskcluster 2026-01-05 17:09:59.027Z] Hostname: proj-wpt-ci-g5rpn1wttygfnkdvffwxha

ac811f28856d - Started downloading
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ac811f28856d - Downloaded in 0.036 seconds
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44ebbf800033 - Downloaded in 0.052 seconds
8f84a9f2102e - Downloaded in 0.232 seconds
a8884b21e40e - Started downloading
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4f4fb700ef54 - Downloaded in 0.001 seconds
79c347416ee8 - Started downloading

...(441 lines hidden)...

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
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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
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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
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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
 0:11.66 INFO Identified 2 affected tests
 0:11.66 INFO Installing browser
 0:11.71 INFO Downloading Chrome for Testing from https://storage.googleapis.com/chrome-for-testing-public/145.0.7572.2/linux64/chrome-linux64.zip
 0:15.33 INFO Downloading Mojo bindings from https://storage.googleapis.com/chrome-for-testing-public/145.0.7572.2/mojojs.zip
 0:15.39 INFO MojoJS enabled automatically (mojojs_path: /home/test/web-platform-tests/_venv3/mojojs/gen)
 0:15.42 INFO Download info for matching ChromeDriver version found.
 0:15.42 INFO Downloading ChromeDriver from https://storage.googleapis.com/chrome-for-testing-public/145.0.7572.2/linux64/chromedriver-linux64.zip
 0:15.65 INFO Automatically turning on experimental features for Chrome Dev/Canary or Chromium trunk
 0:22.25 INFO Installed font: Ahem.ttf
 0:23.46 wptserve INFO Starting http server on http://127.0.0.1:8000
 0:23.50 wptserve INFO Starting http server on http://127.0.0.1:8003
 0:23.50 wptserve INFO Starting https server on https://127.0.0.1:8444
 0:23.52 wptserve INFO Create socket on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 0:23.52 wptserve INFO Bind on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 0:23.52 wptserve INFO Listen on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 0:23.52 wptserve INFO Starting http server on http://127.0.0.1:8002
 0:23.54 wptserve INFO Starting https server on https://127.0.0.1:8443
 0:23.55 wptserve INFO Starting http server on http://127.0.0.1:8001
 0:23.55 wptserve INFO Starting https server on https://127.0.0.1:8445
 0:23.56 wptserve INFO Starting https server on https://127.0.0.1:8446
 0:23.57 wptserve INFO Create socket on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 0:23.57 wptserve INFO Bind on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 0:23.57 wptserve INFO Listen on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 0:23.60 wptserve INFO Starting http2 server on https://127.0.0.1:9000
 0:23.69 wptserve INFO Starting WebTransport over HTTP/3 server on 127.0.0.1:11000
 0:24.67 SUITE_START: web-platform-test - running 2 tests
 0:35.76 INFO Using 1 child processes
 0:35.76 INFO Starting WebDriver: /home/test/web-platform-tests/_venv3/bin/chrome/chromedriver --port=50033 --ignore-explicit-port --url-base=/ --enable-chrome-logs --disable-build-check
 0:35.78 INFO Got WebDriver port 33535
 0:35.87 pid:2212 Full command: /home/test/web-platform-tests/_venv3/bin/chrome/chromedriver --port=50033 --ignore-explicit-port --url-base=/ --enable-chrome-logs --disable-build-check
pid:2212 Starting ChromeDriver 145.0.7572.2 (68918169e6422bcf7c8ca8cdea509443a35f96a4-refs/branch-heads/7572@{#6}) on port 0
 0:35.87 pid:2212 Only local connections are allowed.
 0:35.87 pid:2212 Please see https://chromedriver.chromium.org/security-considerations for suggestions on keeping ChromeDriver safe.
 0:35.87 pid:2212 ChromeDriver was started successfully on port 33535.
 0:35.87 INFO Webdriver started successfully.
 0:35.87 INFO Starting runner
 0:37.45 pid:2212 [2260:2260:0105/171310.504150:WARNING:ui/gfx/linux/gbm_support_x11.cc:49] dri3 extension not supported.
 0:37.46 pid:2212 [2260:2260:0105/171310.513861:WARNING:sandbox/policy/linux/sandbox_linux.cc:405] InitializeSandbox() called with multiple threads in process gpu-process.
Failed to read: session.screen0.titlebar.left
Setting default value
Failed to read: session.screen0.titlebar.right
Setting default value
 0:37.59 pid:2212 [1767633190.637][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.
 0:37.61 pid:2212 [2229:2229:0105/171310.658151:ERROR:dbus/object_proxy.cc:573] 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
 0:37.61 pid:2212 [2229:2229:0105/171310.658177:WARNING:dbus/property.cc:174] GetAll request failed for: org.freedesktop.UPower.Device
 0:37.64 pid:2212 [2229:2229:0105/171310.688255:WARNING:ui/base/idle/idle_linux.cc:113] None of the known D-Bus ScreenSaver services could be used.
 0:37.75 TEST_START: /html/rendering/replaced-elements/images/img-fallback-baseline-alignment.html
 0:38.03 TEST_END: Test OK. Subtests passed 0/1. Unexpected 1
FAIL Image fallback baseline alignment - assert_greater_than: expected a number greater than 8 but got 8
    at Test.<anonymous> (http://web-platform.test:8000/html/rendering/replaced-elements/images/img-fallback-baseline-alignment.html:30:9)
    at Test.step (http://web-platform.test:8000/resources/testharness.js:2869:25)
    at HTMLImageElement.<anonymous> (http://web-platform.test:8000/resources/testharness.js:2944:32)

 0:38.03 INFO Restarting browser for new test group
 0:38.09 INFO Closing logging queue
 0:38.09 INFO queue closed
 0:38.18 INFO Starting WebDriver: /home/test/web-platform-tests/_venv3/bin/chrome/chromedriver --port=49557 --ignore-explicit-port --url-base=/ --enable-chrome-logs --disable-build-check
 0:38.20 INFO Got WebDriver port 34227
 0:38.29 pid:2364 Full command: /home/test/web-platform-tests/_venv3/bin/chrome/chromedriver --port=49557 --ignore-explicit-port --url-base=/ --enable-chrome-logs --disable-build-check
pid:2364 Starting ChromeDriver 145.0.7572.2 (68918169e6422bcf7c8ca8cdea509443a35f96a4-refs/branch-heads/7572@{#6}) on port 0
 0:38.29 pid:2364 Only local connections are allowed.
 0:38.29 pid:2364 Please see https://chromedriver.chromium.org/security-considerations for suggestions on keeping ChromeDriver safe.
 0:38.29 pid:2364 ChromeDriver was started successfully on port 34227.
 0:38.29 INFO Webdriver started successfully.
 0:38.29 INFO Starting runner
 0:38.93 pid:2364 [1767633191.978][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.
 0:38.96 pid:2364 [2412:2412:0105/171312.009834:WARNING:ui/gfx/linux/gbm_support_x11.cc:49] dri3 extension not supported.
 0:38.96 pid:2364 [2412:2412:0105/171312.012932:WARNING:sandbox/policy/linux/sandbox_linux.cc:405] InitializeSandbox() called with multiple threads in process gpu-process.
 0:39.10 pid:2364 [2381:2381:0105/171312.154767:ERROR:dbus/object_proxy.cc:573] 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
 0:39.11 pid:2364 [2381:2381:0105/171312.154788:WARNING:dbus/property.cc:174] GetAll request failed for: org.freedesktop.UPower.Device
 0:39.14 pid:2364 [2381:2381:0105/171312.190043:WARNING:ui/base/idle/idle_linux.cc:113] None of the known D-Bus ScreenSaver services could be used.
 0:39.23 TEST_START: /html/rendering/replaced-elements/images/image-fallback-respect-max-width.html
 0:40.26 INFO Image hashes didn't match on page 1, checking pixel differences
 0:40.33 INFO Found 36 pixels different, maximum difference per channel 63 on page 1
 0:40.33 TEST_END: FAIL, expected PASS - /html/rendering/replaced-elements/images/image-fallback-respect-max-width.html ['de668e797c91efaaa713e226f37574fdb7a3658a']
/html/rendering/replaced-elements/images/image-fallback-respect-max-width-ref.html ['5f7de17d54fc14128e7984bae8552a786965285f']
 0:40.33 INFO No more tests
 0:40.38 INFO Closing logging queue
 0:40.38 INFO queue closed
 0:40.46 SUITE_END

web-platform-test
~~~~~~~~~~~~~~~~~
Ran 3 checks (1 subtests, 2 tests)
Expected results: 1
Unexpected results: 2
  test: 1 (1 fail)
  subtest: 1 (1 fail)

Unexpected Results
------------------
/html/rendering/replaced-elements/images/img-fallback-baseline-alignment.html
  FAIL Image fallback baseline alignment - assert_greater_than: expected a number greater than 8 but got 8
    at Test.<anonymous> (http://web-platform.test:8000/html/rendering/replaced-elements/images/img-fallback-baseline-alignment.html:30:9)
    at Test.step (http://web-platform.test:8000/resources/testharness.js:2869:25)
    at HTMLImageElement.<anonymous> (http://web-platform.test:8000/resources/testharness.js:2944:32)
/html/rendering/replaced-elements/images/image-fallback-respect-max-width.html
  FAIL /html/rendering/replaced-elements/images/image-fallback-respect-max-width.html - /html/rendering/replaced-elements/images/image-fallback-respect-max-width.html ['de668e797c91efaaa713e226f37574fdb7a3658a']
/html/rendering/replaced-elements/images/image-fallback-respect-max-width-ref.html ['5f7de17d54fc14128e7984bae8552a786965285f']
 0:40.46 INFO Got 2 unexpected results, with 0 unexpected passes
 0:40.47 wptserve INFO Stopped http server on 127.0.0.1:8002
 0:40.47 wptserve INFO Stopped http server on 127.0.0.1:8001
 0:40.47 wptserve INFO Stopped http server on 127.0.0.1:8000
 0:40.48 wptserve INFO Stopped http server on 127.0.0.1:8003
 0:40.48 wptserve INFO Stopped http server on 127.0.0.1:8443
 0:40.48 wptserve INFO Stopped http server on 127.0.0.1:8444
 0:40.48 wptserve INFO Stopped http server on 127.0.0.1:8446
 0:40.48 wptserve INFO Stopped http server on 127.0.0.1:8445
 0:40.48 wptserve INFO Stopped http server on 127.0.0.1:9000
 0:40.48 wptserve INFO Stopped WebTransport over HTTP/3 server on 127.0.0.1:11000
 0:40.69 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 0:40.69 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 0:40.74 INFO Removed font: Ahem.ttf
 0:40.77 INFO Closing logging queue
 0:40.77 INFO queue closed
 0:40.77 INFO Tolerating 2 unexpected results
[taskcluster 2026-01-05 17:13:19.148Z] === Task Finished ===
[taskcluster 2026-01-05 17:13:20.200Z] Successful task run with exit code: 0 completed in 201.176 seconds
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