Bug 220532

Summary: [selectors] :host(:not(.a .b)) should be an invalid selector
Product: WebKit Reporter: Manuel Rego Casasnovas <rego>
Component: CSSAssignee: Antti Koivisto <koivisto>
Status: NEW ---    
Severity: Normal CC: ahmad.saleem792, ap, bfulgham, rniwa, simon.fraser, webkit-bug-importer, zalan
Priority: P2 Keywords: BrowserCompat, InRadar, WebExposed
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Bug Depends on:    
Bug Blocks: 148695    

Description Manuel Rego Casasnovas 2021-01-11 22:43:46 PST
There's only one test case failing in the following WPT test:
https://wpt.fyi/results/css/selectors/parsing/parse-not.html

That test case is checking that ":host(:not(.a .b))" is an invalid selector.
It's passing in Chromium and Firefox, but failing in WebKit.
Comment 1 Radar WebKit Bug Importer 2021-01-18 22:44:13 PST
<rdar://problem/73341243>