[Webkit-unassigned] [Bug 196944] New: [iOS Sim] REGRESSION (r244182) Layout Test imported/w3c/web-platform-tests/hr-time/test_cross_frame_start.html is a flaky failure
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Mon Apr 15 15:26:13 PDT 2019
https://bugs.webkit.org/show_bug.cgi?id=196944
Bug ID: 196944
Summary: [iOS Sim] REGRESSION (r244182) Layout Test
imported/w3c/web-platform-tests/hr-time/test_cross_fra
me_start.html is a flaky failure
Product: WebKit
Version: WebKit Nightly Build
Hardware: Unspecified
OS: Unspecified
Status: NEW
Severity: Normal
Priority: P2
Component: Tools / Tests
Assignee: webkit-unassigned at lists.webkit.org
Reporter: sroberts at apple.com
CC: lforschler at apple.com
The following layout test is flaky on iOS Simulator Release
imported/w3c/web-platform-tests/hr-time/test_cross_frame_start.html
Probable cause:
After changes in https://trac.webkit.org/changeset/244182/webkit the test started showing on the dashboard and is reproducible locally. tests ran with revision before this result in passing results.
reproduced with:
run-webkit-tests imported/w3c/web-platform-tests/hr-time/test_cross_frame_start.html --iterations 50 -f --ios-simulator
Flakiness Dashboard:
https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=imported%2Fw3c%2Fweb-platform-tests%2Fhr-time%2Ftest_cross_frame_start.html
--- /Volumes/Data/slave/ios-simulator-12-release-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/hr-time/test_cross_frame_start-expected.txt
+++ /Volumes/Data/slave/ios-simulator-12-release-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/hr-time/test_cross_frame_start-actual.txt
@@ -6,6 +6,6 @@
PASS Setup the frame
PASS parent performance.now() > 0
PASS child performance.now() > 0
-PASS Child created at least 1 second after parent
-PASS Child and parent time bases are correct
+FAIL Child created at least 1 second after parent null is not an object (evaluating 'childWindow.performance.timing.navigationStart')
+FAIL Child and parent time bases are correct null is not an object (evaluating 'childWindow.performance.timing.loadEventStart')
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