| This is a testharness.js-based test. |
| PASS document.adoptedStyleSheets should initially have length 0. |
| FAIL new CSSStyleSheet produces empty CSSStyleSheet assert_equals: The title attribute must return the title or null if title is the empty string expected (object) null but got (string) "" |
| FAIL title can be set in the CSSStyleSheet constructor assert_equals: title and alternate are not supported by the constructor. https://github.com/WICG/construct-stylesheets/issues/105 expected (object) null but got (string) "something" |
| FAIL CSSStyleSheet.replace produces Promise<CSSStyleSheet> assert_equals: The title attribute must return the title or null if title is the empty string expected (object) null but got (string) "" |
| 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 |
| PASS 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 |
| PASS CSSStyleSheet.replaceSync correctly updates the style of its adopters synchronously |
| PASS Adopted sheets are ordered after non-adopted sheets in the shadow root |
| PASS 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 |
| PASS CSSStyleSheet.replaceSync should not trigger any loads from @import rules |
| PASS CSSStyleSheet.replace allows, but ignores, import rule inside |
| PASS 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 |
| PASS Adopting a shadow host will empty adoptedStyleSheets if adopting to a different document |
| PASS 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 |
| Harness: the test ran to completion. |
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