Harness status: OK

Found 32 tests

24 Pass
8 Fail
Pass	document.adoptedStyleSheets should initially have length 0.
Pass	new CSSStyleSheet produces empty CSSStyleSheet
Pass	title can be set in the CSSStyleSheet constructor
Pass	CSSStyleSheet.replace produces Promise<CSSStyleSheet>
Pass	Constructed style sheets can be applied on document
Pass	Constructed style sheets can be applied on shadow root
Pass	Re-attaching shadow host with adopted stylesheets work
Fail	Attaching a shadow root that already has adopted stylesheets work
Pass	Re-attaching shadow host and updating attributes work
Pass	Changes to constructed stylesheets through CSSOM is reflected
Pass	Constructed stylesheet can be used and modified in multiple TreeScopes
Pass	Stylesheets constructed on the main Document cannot be used in iframes
Pass	Stylesheet constructed on iframe cannot be used in the main Document
Pass	Adding non-constructed stylesheet to AdoptedStyleSheets is not allowed when the owner document of the stylesheet is in the same document tree as the AdoptedStyleSheets
Pass	Adding non-constructed stylesheet to AdoptedStyleSheets is not allowed when the owner document of the stylesheet and the AdoptedStyleSheets are in different document trees
Pass	CSSStyleSheet.replaceSync replaces stylesheet text synchronously
Fail	CSSStyleSheet.replaceSync correctly updates the style of its adopters synchronously
Fail	Adopted sheets are ordered after non-adopted sheets in the shadow root
Fail	Adopted sheets are ordered after non-adopted sheets in the document
Pass	Inserting an @import rule through insertRule on a constructed stylesheet throws an exception
Fail	CSSStyleSheet.replaceSync should not trigger any loads from @import rules
Pass	CSSStyleSheet.replace allows, but ignores, import rule inside
Fail	CSSStyleSheet.replace ignores @import rule but still loads other rules
Pass	CSSStyleSheet.replaceSync allows, but ignores, import rule inside
Pass	CSSStyleSheet.replace does not reject on failed imports
Pass	Cloning a shadow host will not clone shadow root, and also adoptedStyleSheets
Pass	Importing a shadow host will not copy shadow root, and also adoptedStyleSheets
Fail	Adopting a shadow host will empty adoptedStyleSheets if adopting to a different document
Fail	Adopting a shadow host's ancestor will empty adoptedStyleSheets if adopting to a different document
Pass	Forcing a style update after adding an adopted stylesheet on a disconnected shadow root should not crash.
Pass	Modifying an adopted stylesheet on a disconnected shadow root should not crash.
Pass	Constructing a sheet with the default base URL uses the constructor document's base URL for CSS rules