210655 2020-04-17 08:30:12 -0700 REGRESSION: (r260243) [ Mac and iOS ] imported/w3c/web-platform-tests/css/cssom-view/MediaQueryList-addListener-handleEvent.html fails. 2020-04-17 12:44:02 -0700 1 1 1 Unclassified WebKit CSS WebKit Nightly Build Mac macOS 10.15 RESOLVED FIXED https://bugs.webkit.org/show_bug.cgi?id=203288 InRadar P2 Normal --- 1 Lawrence.j webkit-unassigned aakash_jain ap ashvayka webkit-bot-watchers-bugzilla webkit-bug-importer oldest_to_newest 1642683 0 Lawrence.j 2020-04-17 08:30:12 -0700 imported/w3c/web-platform-tests/css/cssom-view/MediaQueryList-addListener-handleEvent.html Description: This test is failing on all platforms, styles and flavors. The test was passing consistently until r260242, but it regressed with r260243. History: https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fcss%2Fcssom-view%2FMediaQueryList-addListener-handleEvent.html&limit=50000 Diff: --- /Volumes/Data/slave/catalina-debug-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/css/cssom-view/MediaQueryList-addListener-handleEvent-expected.txt +++ /Volumes/Data/slave/catalina-debug-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/css/cssom-view/MediaQueryList-addListener-handleEvent-actual.txt @@ -1,4 +1,4 @@ -CONSOLE MESSAGE: line 102: [object Object] +CONSOLE MESSAGE: [object Object] CONSOLE MESSAGE: TypeError: 'handleEvent' property of event listener should be callable CONSOLE MESSAGE: TypeError: 'handleEvent' property of event listener should be callable 1642684 1 webkit-bug-importer 2020-04-17 08:30:35 -0700 <rdar://problem/61936044> 1642686 2 Lawrence.j 2020-04-17 08:32:31 -0700 I am able to reproduce this issue with r260243, but cannot reproduce it with r260241. r260243: run-webkit-tests --iterations 99 --exit-after-n-failures 3 --force -f imported/w3c/web-platform-tests/css/cssom-view/MediaQueryList-addListener-handleEvent.html [4/99] imported/w3c/web-platform-tests/css/cssom-view/MediaQueryList-addListener-handleEvent.html failed unexpectedly (text diff) [5/99] imported/w3c/web-platform-tests/css/cssom-view/MediaQueryList-addListener-handleEvent.html failed unexpectedly (text diff) [6/99] imported/w3c/web-platform-tests/css/cssom-view/MediaQueryList-addListener-handleEvent.html failed unexpectedly (text diff) Exiting early after 3 failures. 3 tests run. 0 tests ran as expected, 3 didn't (96 didn't run): r260241: All 99 tests ran as expected. 1642776 3 ap 2020-04-17 12:44:02 -0700 Jason updated the expectation in http://trac.webkit.org/r260256, which is I think all that's needed here. Aakash, this got tested by EWS before the change that removed line numbers, and landed a week after EWS.