
PASS idl_test setup 
PASS idl_test validation 
PASS Partial interface Document: original interface defined 
PASS Partial interface Document: member names are unique 
PASS Partial interface mixin DocumentOrShadowRoot: original interface mixin defined 
PASS Partial interface mixin DocumentOrShadowRoot: member names are unique 
PASS Partial interface mixin NavigatorID: original interface mixin defined 
PASS Partial interface mixin NavigatorID: member names are unique 
PASS Partial interface HTMLAnchorElement: original interface defined 
PASS Partial interface HTMLAnchorElement: member names are unique 
PASS Partial interface HTMLAreaElement: original interface defined 
PASS Partial interface HTMLAreaElement: member names are unique 
PASS Partial interface HTMLBodyElement: original interface defined 
PASS Partial interface HTMLBodyElement: member names are unique 
PASS Partial interface HTMLBRElement: original interface defined 
PASS Partial interface HTMLBRElement: member names are unique 
PASS Partial interface HTMLTableCaptionElement: original interface defined 
PASS Partial interface HTMLTableCaptionElement: member names are unique 
PASS Partial interface HTMLTableColElement: original interface defined 
PASS Partial interface HTMLTableColElement: member names are unique 
PASS Partial interface HTMLDivElement: original interface defined 
PASS Partial interface HTMLDivElement: member names are unique 
PASS Partial interface HTMLDListElement: original interface defined 
PASS Partial interface HTMLDListElement: member names are unique 
PASS Partial interface HTMLEmbedElement: original interface defined 
PASS Partial interface HTMLEmbedElement: member names are unique 
PASS Partial interface HTMLHeadingElement: original interface defined 
PASS Partial interface HTMLHeadingElement: member names are unique 
PASS Partial interface HTMLHRElement: original interface defined 
PASS Partial interface HTMLHRElement: member names are unique 
PASS Partial interface HTMLHtmlElement: original interface defined 
PASS Partial interface HTMLHtmlElement: member names are unique 
PASS Partial interface HTMLIFrameElement: original interface defined 
PASS Partial interface HTMLIFrameElement: member names are unique 
PASS Partial interface HTMLImageElement: original interface defined 
PASS Partial interface HTMLImageElement: member names are unique 
PASS Partial interface HTMLInputElement: original interface defined 
PASS Partial interface HTMLInputElement: member names are unique 
PASS Partial interface HTMLLegendElement: original interface defined 
PASS Partial interface HTMLLegendElement: member names are unique 
PASS Partial interface HTMLLIElement: original interface defined 
PASS Partial interface HTMLLIElement: member names are unique 
PASS Partial interface HTMLLinkElement: original interface defined 
PASS Partial interface HTMLLinkElement: member names are unique 
PASS Partial interface HTMLMenuElement: original interface defined 
PASS Partial interface HTMLMenuElement: member names are unique 
PASS Partial interface HTMLMetaElement: original interface defined 
PASS Partial interface HTMLMetaElement: member names are unique 
PASS Partial interface HTMLObjectElement: original interface defined 
PASS Partial interface HTMLObjectElement: member names are unique 
PASS Partial interface HTMLOListElement: original interface defined 
PASS Partial interface HTMLOListElement: member names are unique 
PASS Partial interface HTMLParagraphElement: original interface defined 
PASS Partial interface HTMLParagraphElement: member names are unique 
PASS Partial interface HTMLParamElement: original interface defined 
PASS Partial interface HTMLParamElement: member names are unique 
PASS Partial interface HTMLPreElement: original interface defined 
PASS Partial interface HTMLPreElement: member names are unique 
PASS Partial interface HTMLStyleElement: original interface defined 
PASS Partial interface HTMLStyleElement: member names are unique 
PASS Partial interface HTMLScriptElement: original interface defined 
PASS Partial interface HTMLScriptElement: member names are unique 
PASS Partial interface HTMLTableElement: original interface defined 
PASS Partial interface HTMLTableElement: member names are unique 
PASS Partial interface HTMLTableSectionElement: original interface defined 
PASS Partial interface HTMLTableSectionElement: member names are unique 
PASS Partial interface HTMLTableCellElement: original interface defined 
PASS Partial interface HTMLTableCellElement: member names are unique 
PASS Partial interface HTMLTableRowElement: original interface defined 
PASS Partial interface HTMLTableRowElement: member names are unique 
PASS Partial interface HTMLUListElement: original interface defined 
PASS Partial interface HTMLUListElement: member names are unique 
PASS Partial interface Document[2]: original interface defined 
PASS Partial interface Document[2]: member names are unique 
PASS Partial interface Window: original interface defined 
PASS Partial interface Window: member names are unique 
PASS Partial interface UIEvent: member names are unique 
PASS Document includes GlobalEventHandlers: member names are unique 
PASS Document includes DocumentAndElementEventHandlers: member names are unique 
PASS Document includes NonElementParentNode: member names are unique 
PASS Document includes DocumentOrShadowRoot: member names are unique 
PASS Document includes ParentNode: member names are unique 
PASS Document includes XPathEvaluatorBase: member names are unique 
PASS HTMLElement includes GlobalEventHandlers: member names are unique 
PASS HTMLElement includes DocumentAndElementEventHandlers: member names are unique 
PASS HTMLElement includes ElementContentEditable: member names are unique 
PASS HTMLElement includes HTMLOrSVGElement: member names are unique 
PASS HTMLElement includes ElementCSSInlineStyle: member names are unique 
PASS HTMLLinkElement includes LinkStyle: member names are unique 
PASS HTMLStyleElement includes LinkStyle: member names are unique 
PASS HTMLBodyElement includes WindowEventHandlers: member names are unique 
PASS HTMLAnchorElement includes HTMLHyperlinkElementUtils: member names are unique 
PASS HTMLAreaElement includes HTMLHyperlinkElementUtils: member names are unique 
PASS CanvasRenderingContext2D includes CanvasState: member names are unique 
PASS CanvasRenderingContext2D includes CanvasTransform: member names are unique 
PASS CanvasRenderingContext2D includes CanvasCompositing: member names are unique 
PASS CanvasRenderingContext2D includes CanvasImageSmoothing: member names are unique 
PASS CanvasRenderingContext2D includes CanvasFillStrokeStyles: member names are unique 
PASS CanvasRenderingContext2D includes CanvasShadowStyles: member names are unique 
PASS CanvasRenderingContext2D includes CanvasFilters: member names are unique 
PASS CanvasRenderingContext2D includes CanvasRect: member names are unique 
PASS CanvasRenderingContext2D includes CanvasDrawPath: member names are unique 
PASS CanvasRenderingContext2D includes CanvasUserInterface: member names are unique 
PASS CanvasRenderingContext2D includes CanvasText: member names are unique 
PASS CanvasRenderingContext2D includes CanvasDrawImage: member names are unique 
PASS CanvasRenderingContext2D includes CanvasImageData: member names are unique 
PASS CanvasRenderingContext2D includes CanvasPathDrawingStyles: member names are unique 
PASS CanvasRenderingContext2D includes CanvasTextDrawingStyles: member names are unique 
PASS CanvasRenderingContext2D includes CanvasPath: member names are unique 
PASS Path2D includes CanvasPath: member names are unique 
PASS OffscreenCanvasRenderingContext2D includes CanvasState: member names are unique 
PASS OffscreenCanvasRenderingContext2D includes CanvasTransform: member names are unique 
PASS OffscreenCanvasRenderingContext2D includes CanvasCompositing: member names are unique 
PASS OffscreenCanvasRenderingContext2D includes CanvasImageSmoothing: member names are unique 
PASS OffscreenCanvasRenderingContext2D includes CanvasFillStrokeStyles: member names are unique 
PASS OffscreenCanvasRenderingContext2D includes CanvasShadowStyles: member names are unique 
PASS OffscreenCanvasRenderingContext2D includes CanvasFilters: member names are unique 
PASS OffscreenCanvasRenderingContext2D includes CanvasRect: member names are unique 
PASS OffscreenCanvasRenderingContext2D includes CanvasDrawPath: member names are unique 
PASS OffscreenCanvasRenderingContext2D includes CanvasText: member names are unique 
PASS OffscreenCanvasRenderingContext2D includes CanvasDrawImage: member names are unique 
PASS OffscreenCanvasRenderingContext2D includes CanvasImageData: member names are unique 
PASS OffscreenCanvasRenderingContext2D includes CanvasPathDrawingStyles: member names are unique 
PASS OffscreenCanvasRenderingContext2D includes CanvasTextDrawingStyles: member names are unique 
PASS OffscreenCanvasRenderingContext2D includes CanvasPath: member names are unique 
PASS Window includes GlobalEventHandlers: member names are unique 
PASS Window includes WindowEventHandlers: member names are unique 
PASS Window includes WindowOrWorkerGlobalScope: member names are unique 
PASS Window includes AnimationFrameProvider: member names are unique 
PASS Window includes WindowSessionStorage: member names are unique 
PASS Window includes WindowLocalStorage: member names are unique 
PASS WorkerGlobalScope includes WindowOrWorkerGlobalScope: member names are unique 
PASS Navigator includes NavigatorID: member names are unique 
PASS Navigator includes NavigatorLanguage: member names are unique 
PASS Navigator includes NavigatorOnLine: member names are unique 
PASS Navigator includes NavigatorContentUtils: member names are unique 
PASS Navigator includes NavigatorCookies: member names are unique 
PASS Navigator includes NavigatorPlugins: member names are unique 
PASS Navigator includes NavigatorConcurrentHardware: member names are unique 
PASS DedicatedWorkerGlobalScope includes AnimationFrameProvider: member names are unique 
PASS Worker includes AbstractWorker: member names are unique 
PASS SharedWorker includes AbstractWorker: member names are unique 
PASS WorkerNavigator includes NavigatorID: member names are unique 
PASS WorkerNavigator includes NavigatorLanguage: member names are unique 
PASS WorkerNavigator includes NavigatorOnLine: member names are unique 
PASS WorkerNavigator includes NavigatorConcurrentHardware: member names are unique 
PASS HTMLFrameSetElement includes WindowEventHandlers: member names are unique 
PASS DocumentFragment includes NonElementParentNode: member names are unique 
PASS DocumentFragment includes ParentNode: member names are unique 
PASS ShadowRoot includes DocumentOrShadowRoot: member names are unique 
PASS Element includes ParentNode: member names are unique 
PASS Element includes NonDocumentTypeChildNode: member names are unique 
PASS Element includes ChildNode: member names are unique 
PASS Element includes Slottable: member names are unique 
PASS HTMLAllCollection interface: existence and properties of interface object 
PASS HTMLFormControlsCollection interface: existence and properties of interface object 
PASS RadioNodeList interface: existence and properties of interface object 
PASS HTMLOptionsCollection interface: existence and properties of interface object 
FAIL DOMStringList interface: existence and properties of interface object assert_own_property: self does not have own property "DOMStringList" expected property "DOMStringList" missing
FAIL DOMStringList interface object length assert_own_property: self does not have own property "DOMStringList" expected property "DOMStringList" missing
FAIL DOMStringList interface object name assert_own_property: self does not have own property "DOMStringList" expected property "DOMStringList" missing
FAIL DOMStringList interface: existence and properties of interface prototype object assert_own_property: self does not have own property "DOMStringList" expected property "DOMStringList" missing
FAIL DOMStringList interface: existence and properties of interface prototype object's "constructor" property assert_own_property: self does not have own property "DOMStringList" expected property "DOMStringList" missing
FAIL DOMStringList interface: existence and properties of interface prototype object's @@unscopables property assert_own_property: self does not have own property "DOMStringList" expected property "DOMStringList" missing
FAIL DOMStringList interface: attribute length assert_own_property: self does not have own property "DOMStringList" expected property "DOMStringList" missing
FAIL DOMStringList interface: operation item(unsigned long) assert_own_property: self does not have own property "DOMStringList" expected property "DOMStringList" missing
FAIL DOMStringList interface: operation contains(DOMString) assert_own_property: self does not have own property "DOMStringList" expected property "DOMStringList" missing
PASS HTMLElement interface: existence and properties of interface object 
PASS HTMLUnknownElement interface: existence and properties of interface object 
PASS DOMStringMap interface: existence and properties of interface object 
PASS HTMLHtmlElement interface: existence and properties of interface object 
PASS HTMLHeadElement interface: existence and properties of interface object 
PASS HTMLTitleElement interface: existence and properties of interface object 
PASS HTMLBaseElement interface: existence and properties of interface object 
PASS HTMLLinkElement interface: existence and properties of interface object 
PASS HTMLMetaElement interface: existence and properties of interface object 
PASS HTMLStyleElement interface: existence and properties of interface object 
PASS HTMLBodyElement interface: existence and properties of interface object 
PASS HTMLHeadingElement interface: existence and properties of interface object 
PASS HTMLParagraphElement interface: existence and properties of interface object 
PASS HTMLHRElement interface: existence and properties of interface object 
PASS HTMLPreElement interface: existence and properties of interface object 
PASS HTMLQuoteElement interface: existence and properties of interface object 
PASS HTMLOListElement interface: existence and properties of interface object 
PASS HTMLUListElement interface: existence and properties of interface object 
PASS HTMLMenuElement interface: existence and properties of interface object 
PASS HTMLLIElement interface: existence and properties of interface object 
PASS HTMLDListElement interface: existence and properties of interface object 
PASS HTMLDivElement interface: existence and properties of interface object 
PASS HTMLAnchorElement interface: existence and properties of interface object 
PASS HTMLDataElement interface: existence and properties of interface object 
PASS HTMLTimeElement interface: existence and properties of interface object 
PASS HTMLSpanElement interface: existence and properties of interface object 
PASS HTMLBRElement interface: existence and properties of interface object 
PASS HTMLModElement interface: existence and properties of interface object 
PASS HTMLPictureElement interface: existence and properties of interface object 
PASS HTMLSourceElement interface: existence and properties of interface object 
PASS HTMLImageElement interface: existence and properties of interface object 
PASS HTMLIFrameElement interface: existence and properties of interface object 
PASS HTMLEmbedElement interface: existence and properties of interface object 
PASS HTMLObjectElement interface: existence and properties of interface object 
PASS HTMLParamElement interface: existence and properties of interface object 
PASS HTMLVideoElement interface: existence and properties of interface object 
PASS HTMLAudioElement interface: existence and properties of interface object 
PASS HTMLTrackElement interface: existence and properties of interface object 
PASS HTMLMediaElement interface: existence and properties of interface object 
PASS MediaError interface: existence and properties of interface object 
PASS AudioTrackList interface: existence and properties of interface object 
PASS AudioTrack interface: existence and properties of interface object 
PASS VideoTrackList interface: existence and properties of interface object 
PASS VideoTrack interface: existence and properties of interface object 
PASS TextTrackList interface: existence and properties of interface object 
PASS TextTrack interface: existence and properties of interface object 
PASS TextTrackCueList interface: existence and properties of interface object 
PASS TextTrackCue interface: existence and properties of interface object 
PASS TimeRanges interface: existence and properties of interface object 
PASS TrackEvent interface: existence and properties of interface object 
PASS HTMLMapElement interface: existence and properties of interface object 
PASS HTMLAreaElement interface: existence and properties of interface object 
PASS HTMLTableElement interface: existence and properties of interface object 
PASS HTMLTableCaptionElement interface: existence and properties of interface object 
PASS HTMLTableColElement interface: existence and properties of interface object 
PASS HTMLTableSectionElement interface: existence and properties of interface object 
PASS HTMLTableRowElement interface: existence and properties of interface object 
PASS HTMLTableCellElement interface: existence and properties of interface object 
PASS HTMLFormElement interface: existence and properties of interface object 
PASS HTMLLabelElement interface: existence and properties of interface object 
PASS HTMLInputElement interface: existence and properties of interface object 
PASS HTMLButtonElement interface: existence and properties of interface object 
PASS HTMLSelectElement interface: existence and properties of interface object 
PASS HTMLDataListElement interface: existence and properties of interface object 
PASS HTMLOptGroupElement interface: existence and properties of interface object 
PASS HTMLOptionElement interface: existence and properties of interface object 
PASS HTMLTextAreaElement interface: existence and properties of interface object 
PASS HTMLOutputElement interface: existence and properties of interface object 
PASS HTMLProgressElement interface: existence and properties of interface object 
PASS HTMLMeterElement interface: existence and properties of interface object 
PASS HTMLFieldSetElement interface: existence and properties of interface object 
PASS HTMLLegendElement interface: existence and properties of interface object 
PASS ValidityState interface: existence and properties of interface object 
PASS SubmitEvent interface: existence and properties of interface object 
PASS FormDataEvent interface: existence and properties of interface object 
PASS HTMLDetailsElement interface: existence and properties of interface object 
PASS HTMLDialogElement interface: existence and properties of interface object 
PASS HTMLScriptElement interface: existence and properties of interface object 
PASS HTMLTemplateElement interface: existence and properties of interface object 
PASS HTMLSlotElement interface: existence and properties of interface object 
PASS HTMLCanvasElement interface: existence and properties of interface object 
PASS CanvasRenderingContext2D interface: existence and properties of interface object 
PASS CanvasGradient interface: existence and properties of interface object 
PASS CanvasGradient interface object length 
PASS CanvasGradient interface object name 
PASS CanvasGradient interface: existence and properties of interface prototype object 
PASS CanvasGradient interface: existence and properties of interface prototype object's "constructor" property 
PASS CanvasGradient interface: existence and properties of interface prototype object's @@unscopables property 
PASS CanvasGradient interface: operation addColorStop(double, DOMString) 
PASS CanvasPattern interface: existence and properties of interface object 
PASS CanvasPattern interface object length 
PASS CanvasPattern interface object name 
PASS CanvasPattern interface: existence and properties of interface prototype object 
PASS CanvasPattern interface: existence and properties of interface prototype object's "constructor" property 
PASS CanvasPattern interface: existence and properties of interface prototype object's @@unscopables property 
PASS CanvasPattern interface: operation setTransform(optional DOMMatrix2DInit) 
FAIL TextMetrics interface: existence and properties of interface object assert_own_property: self does not have own property "TextMetrics" expected property "TextMetrics" missing
FAIL TextMetrics interface object length assert_own_property: self does not have own property "TextMetrics" expected property "TextMetrics" missing
FAIL TextMetrics interface object name assert_own_property: self does not have own property "TextMetrics" expected property "TextMetrics" missing
FAIL TextMetrics interface: existence and properties of interface prototype object assert_own_property: self does not have own property "TextMetrics" expected property "TextMetrics" missing
FAIL TextMetrics interface: existence and properties of interface prototype object's "constructor" property assert_own_property: self does not have own property "TextMetrics" expected property "TextMetrics" missing
FAIL TextMetrics interface: existence and properties of interface prototype object's @@unscopables property assert_own_property: self does not have own property "TextMetrics" expected property "TextMetrics" missing
FAIL TextMetrics interface: attribute width assert_own_property: self does not have own property "TextMetrics" expected property "TextMetrics" missing
FAIL TextMetrics interface: attribute actualBoundingBoxLeft assert_own_property: self does not have own property "TextMetrics" expected property "TextMetrics" missing
FAIL TextMetrics interface: attribute actualBoundingBoxRight assert_own_property: self does not have own property "TextMetrics" expected property "TextMetrics" missing
FAIL TextMetrics interface: attribute fontBoundingBoxAscent assert_own_property: self does not have own property "TextMetrics" expected property "TextMetrics" missing
FAIL TextMetrics interface: attribute fontBoundingBoxDescent assert_own_property: self does not have own property "TextMetrics" expected property "TextMetrics" missing
FAIL TextMetrics interface: attribute actualBoundingBoxAscent assert_own_property: self does not have own property "TextMetrics" expected property "TextMetrics" missing
FAIL TextMetrics interface: attribute actualBoundingBoxDescent assert_own_property: self does not have own property "TextMetrics" expected property "TextMetrics" missing
FAIL TextMetrics interface: attribute emHeightAscent assert_own_property: self does not have own property "TextMetrics" expected property "TextMetrics" missing
FAIL TextMetrics interface: attribute emHeightDescent assert_own_property: self does not have own property "TextMetrics" expected property "TextMetrics" missing
FAIL TextMetrics interface: attribute hangingBaseline assert_own_property: self does not have own property "TextMetrics" expected property "TextMetrics" missing
FAIL TextMetrics interface: attribute alphabeticBaseline assert_own_property: self does not have own property "TextMetrics" expected property "TextMetrics" missing
FAIL TextMetrics interface: attribute ideographicBaseline assert_own_property: self does not have own property "TextMetrics" expected property "TextMetrics" missing
PASS ImageData interface: existence and properties of interface object 
PASS ImageData interface object length 
PASS ImageData interface object name 
PASS ImageData interface: existence and properties of interface prototype object 
PASS ImageData interface: existence and properties of interface prototype object's "constructor" property 
PASS ImageData interface: existence and properties of interface prototype object's @@unscopables property 
PASS ImageData interface: attribute width 
PASS ImageData interface: attribute height 
PASS ImageData interface: attribute data 
PASS Path2D interface: existence and properties of interface object 
PASS Path2D interface object length 
PASS Path2D interface object name 
PASS Path2D interface: existence and properties of interface prototype object 
PASS Path2D interface: existence and properties of interface prototype object's "constructor" property 
PASS Path2D interface: existence and properties of interface prototype object's @@unscopables property 
PASS Path2D interface: operation addPath(Path2D, optional DOMMatrix2DInit) 
PASS Path2D interface: operation closePath() 
PASS Path2D interface: operation moveTo(unrestricted double, unrestricted double) 
PASS Path2D interface: operation lineTo(unrestricted double, unrestricted double) 
PASS Path2D interface: operation quadraticCurveTo(unrestricted double, unrestricted double, unrestricted double, unrestricted double) 
PASS Path2D interface: operation bezierCurveTo(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double) 
PASS Path2D interface: operation arcTo(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double) 
PASS Path2D interface: operation rect(unrestricted double, unrestricted double, unrestricted double, unrestricted double) 
PASS Path2D interface: operation arc(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, optional boolean) 
PASS Path2D interface: operation ellipse(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, optional boolean) 
FAIL ImageBitmapRenderingContext interface: existence and properties of interface object assert_own_property: self does not have own property "ImageBitmapRenderingContext" expected property "ImageBitmapRenderingContext" missing
FAIL ImageBitmapRenderingContext interface object length assert_own_property: self does not have own property "ImageBitmapRenderingContext" expected property "ImageBitmapRenderingContext" missing
FAIL ImageBitmapRenderingContext interface object name assert_own_property: self does not have own property "ImageBitmapRenderingContext" expected property "ImageBitmapRenderingContext" missing
FAIL ImageBitmapRenderingContext interface: existence and properties of interface prototype object assert_own_property: self does not have own property "ImageBitmapRenderingContext" expected property "ImageBitmapRenderingContext" missing
FAIL ImageBitmapRenderingContext interface: existence and properties of interface prototype object's "constructor" property assert_own_property: self does not have own property "ImageBitmapRenderingContext" expected property "ImageBitmapRenderingContext" missing
FAIL ImageBitmapRenderingContext interface: existence and properties of interface prototype object's @@unscopables property assert_own_property: self does not have own property "ImageBitmapRenderingContext" expected property "ImageBitmapRenderingContext" missing
FAIL ImageBitmapRenderingContext interface: attribute canvas assert_own_property: self does not have own property "ImageBitmapRenderingContext" expected property "ImageBitmapRenderingContext" missing
FAIL ImageBitmapRenderingContext interface: operation transferFromImageBitmap(ImageBitmap?) assert_own_property: self does not have own property "ImageBitmapRenderingContext" expected property "ImageBitmapRenderingContext" missing
PASS OffscreenCanvas interface: existence and properties of interface object 
PASS OffscreenCanvas interface object length 
PASS OffscreenCanvas interface object name 
PASS OffscreenCanvas interface: existence and properties of interface prototype object 
PASS OffscreenCanvas interface: existence and properties of interface prototype object's "constructor" property 
PASS OffscreenCanvas interface: existence and properties of interface prototype object's @@unscopables property 
PASS OffscreenCanvas interface: attribute width 
PASS OffscreenCanvas interface: attribute height 
PASS OffscreenCanvas interface: operation getContext(OffscreenRenderingContextId, optional any) 
PASS OffscreenCanvas interface: operation transferToImageBitmap() 
PASS OffscreenCanvas interface: operation convertToBlob(optional ImageEncodeOptions) 
PASS OffscreenCanvasRenderingContext2D interface: existence and properties of interface object 
PASS OffscreenCanvasRenderingContext2D interface object length 
PASS OffscreenCanvasRenderingContext2D interface object name 
PASS OffscreenCanvasRenderingContext2D interface: existence and properties of interface prototype object 
PASS OffscreenCanvasRenderingContext2D interface: existence and properties of interface prototype object's "constructor" property 
PASS OffscreenCanvasRenderingContext2D interface: existence and properties of interface prototype object's @@unscopables property 
PASS OffscreenCanvasRenderingContext2D interface: operation commit() 
PASS OffscreenCanvasRenderingContext2D interface: attribute canvas 
PASS OffscreenCanvasRenderingContext2D interface: operation save() 
PASS OffscreenCanvasRenderingContext2D interface: operation restore() 
PASS OffscreenCanvasRenderingContext2D interface: operation scale(unrestricted double, unrestricted double) 
PASS OffscreenCanvasRenderingContext2D interface: operation rotate(unrestricted double) 
PASS OffscreenCanvasRenderingContext2D interface: operation translate(unrestricted double, unrestricted double) 
PASS OffscreenCanvasRenderingContext2D interface: operation transform(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double) 
PASS OffscreenCanvasRenderingContext2D interface: operation getTransform() 
PASS OffscreenCanvasRenderingContext2D interface: operation setTransform(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double) 
PASS OffscreenCanvasRenderingContext2D interface: operation setTransform(optional DOMMatrix2DInit) 
PASS OffscreenCanvasRenderingContext2D interface: operation resetTransform() 
PASS OffscreenCanvasRenderingContext2D interface: attribute globalAlpha 
PASS OffscreenCanvasRenderingContext2D interface: attribute globalCompositeOperation 
PASS OffscreenCanvasRenderingContext2D interface: attribute imageSmoothingEnabled 
PASS OffscreenCanvasRenderingContext2D interface: attribute imageSmoothingQuality 
PASS OffscreenCanvasRenderingContext2D interface: attribute strokeStyle 
PASS OffscreenCanvasRenderingContext2D interface: attribute fillStyle 
PASS OffscreenCanvasRenderingContext2D interface: operation createLinearGradient(double, double, double, double) 
PASS OffscreenCanvasRenderingContext2D interface: operation createRadialGradient(double, double, double, double, double, double) 
PASS OffscreenCanvasRenderingContext2D interface: operation createPattern(CanvasImageSource, DOMString) 
PASS OffscreenCanvasRenderingContext2D interface: attribute shadowOffsetX 
PASS OffscreenCanvasRenderingContext2D interface: attribute shadowOffsetY 
PASS OffscreenCanvasRenderingContext2D interface: attribute shadowBlur 
PASS OffscreenCanvasRenderingContext2D interface: attribute shadowColor 
FAIL OffscreenCanvasRenderingContext2D interface: attribute filter assert_true: The prototype object must have a property "filter" expected true got false
PASS OffscreenCanvasRenderingContext2D interface: operation clearRect(unrestricted double, unrestricted double, unrestricted double, unrestricted double) 
PASS OffscreenCanvasRenderingContext2D interface: operation fillRect(unrestricted double, unrestricted double, unrestricted double, unrestricted double) 
PASS OffscreenCanvasRenderingContext2D interface: operation strokeRect(unrestricted double, unrestricted double, unrestricted double, unrestricted double) 
PASS OffscreenCanvasRenderingContext2D interface: operation beginPath() 
PASS OffscreenCanvasRenderingContext2D interface: operation fill(optional CanvasFillRule) 
PASS OffscreenCanvasRenderingContext2D interface: operation fill(Path2D, optional CanvasFillRule) 
PASS OffscreenCanvasRenderingContext2D interface: operation stroke() 
PASS OffscreenCanvasRenderingContext2D interface: operation stroke(Path2D) 
PASS OffscreenCanvasRenderingContext2D interface: operation clip(optional CanvasFillRule) 
PASS OffscreenCanvasRenderingContext2D interface: operation clip(Path2D, optional CanvasFillRule) 
PASS OffscreenCanvasRenderingContext2D interface: operation isPointInPath(unrestricted double, unrestricted double, optional CanvasFillRule) 
PASS OffscreenCanvasRenderingContext2D interface: operation isPointInPath(Path2D, unrestricted double, unrestricted double, optional CanvasFillRule) 
PASS OffscreenCanvasRenderingContext2D interface: operation isPointInStroke(unrestricted double, unrestricted double) 
PASS OffscreenCanvasRenderingContext2D interface: operation isPointInStroke(Path2D, unrestricted double, unrestricted double) 
FAIL OffscreenCanvasRenderingContext2D interface: operation fillText(DOMString, unrestricted double, unrestricted double, optional unrestricted double) assert_own_property: interface prototype object missing non-static operation expected property "fillText" missing
FAIL OffscreenCanvasRenderingContext2D interface: operation strokeText(DOMString, unrestricted double, unrestricted double, optional unrestricted double) assert_own_property: interface prototype object missing non-static operation expected property "strokeText" missing
FAIL OffscreenCanvasRenderingContext2D interface: operation measureText(DOMString) assert_own_property: interface prototype object missing non-static operation expected property "measureText" missing
PASS OffscreenCanvasRenderingContext2D interface: operation drawImage(CanvasImageSource, unrestricted double, unrestricted double) 
PASS OffscreenCanvasRenderingContext2D interface: operation drawImage(CanvasImageSource, unrestricted double, unrestricted double, unrestricted double, unrestricted double) 
PASS OffscreenCanvasRenderingContext2D interface: operation drawImage(CanvasImageSource, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double) 
PASS OffscreenCanvasRenderingContext2D interface: operation createImageData(long, long) 
PASS OffscreenCanvasRenderingContext2D interface: operation createImageData(ImageData) 
PASS OffscreenCanvasRenderingContext2D interface: operation getImageData(long, long, long, long) 
PASS OffscreenCanvasRenderingContext2D interface: operation putImageData(ImageData, long, long) 
PASS OffscreenCanvasRenderingContext2D interface: operation putImageData(ImageData, long, long, long, long, long, long) 
PASS OffscreenCanvasRenderingContext2D interface: attribute lineWidth 
PASS OffscreenCanvasRenderingContext2D interface: attribute lineCap 
PASS OffscreenCanvasRenderingContext2D interface: attribute lineJoin 
PASS OffscreenCanvasRenderingContext2D interface: attribute miterLimit 
PASS OffscreenCanvasRenderingContext2D interface: operation setLineDash(sequence<unrestricted double>) 
PASS OffscreenCanvasRenderingContext2D interface: operation getLineDash() 
PASS OffscreenCanvasRenderingContext2D interface: attribute lineDashOffset 
FAIL OffscreenCanvasRenderingContext2D interface: attribute font assert_true: The prototype object must have a property "font" expected true got false
FAIL OffscreenCanvasRenderingContext2D interface: attribute textAlign assert_true: The prototype object must have a property "textAlign" expected true got false
FAIL OffscreenCanvasRenderingContext2D interface: attribute textBaseline assert_true: The prototype object must have a property "textBaseline" expected true got false
FAIL OffscreenCanvasRenderingContext2D interface: attribute direction assert_true: The prototype object must have a property "direction" expected true got false
PASS OffscreenCanvasRenderingContext2D interface: operation closePath() 
PASS OffscreenCanvasRenderingContext2D interface: operation moveTo(unrestricted double, unrestricted double) 
PASS OffscreenCanvasRenderingContext2D interface: operation lineTo(unrestricted double, unrestricted double) 
PASS OffscreenCanvasRenderingContext2D interface: operation quadraticCurveTo(unrestricted double, unrestricted double, unrestricted double, unrestricted double) 
PASS OffscreenCanvasRenderingContext2D interface: operation bezierCurveTo(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double) 
PASS OffscreenCanvasRenderingContext2D interface: operation arcTo(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double) 
PASS OffscreenCanvasRenderingContext2D interface: operation rect(unrestricted double, unrestricted double, unrestricted double, unrestricted double) 
PASS OffscreenCanvasRenderingContext2D interface: operation arc(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, optional boolean) 
PASS OffscreenCanvasRenderingContext2D interface: operation ellipse(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, optional boolean) 
PASS CustomElementRegistry interface: existence and properties of interface object 
PASS ElementInternals interface: existence and properties of interface object 
PASS DataTransfer interface: existence and properties of interface object 
PASS DataTransferItemList interface: existence and properties of interface object 
PASS DataTransferItem interface: existence and properties of interface object 
PASS DragEvent interface: existence and properties of interface object 
PASS Window interface: existence and properties of interface object 
PASS BarProp interface: existence and properties of interface object 
PASS History interface: existence and properties of interface object 
PASS Location interface: existence and properties of interface object 
PASS PopStateEvent interface: existence and properties of interface object 
PASS HashChangeEvent interface: existence and properties of interface object 
PASS PageTransitionEvent interface: existence and properties of interface object 
PASS BeforeUnloadEvent interface: existence and properties of interface object 
PASS ApplicationCache interface: existence and properties of interface object 
PASS ErrorEvent interface: existence and properties of interface object 
PASS ErrorEvent interface object length 
PASS ErrorEvent interface object name 
PASS ErrorEvent interface: existence and properties of interface prototype object 
PASS ErrorEvent interface: existence and properties of interface prototype object's "constructor" property 
PASS ErrorEvent interface: existence and properties of interface prototype object's @@unscopables property 
PASS ErrorEvent interface: attribute message 
PASS ErrorEvent interface: attribute filename 
PASS ErrorEvent interface: attribute lineno 
PASS ErrorEvent interface: attribute colno 
PASS ErrorEvent interface: attribute error 
PASS PromiseRejectionEvent interface: existence and properties of interface object 
PASS PromiseRejectionEvent interface object length 
PASS PromiseRejectionEvent interface object name 
PASS PromiseRejectionEvent interface: existence and properties of interface prototype object 
PASS PromiseRejectionEvent interface: existence and properties of interface prototype object's "constructor" property 
PASS PromiseRejectionEvent interface: existence and properties of interface prototype object's @@unscopables property 
PASS PromiseRejectionEvent interface: attribute promise 
PASS PromiseRejectionEvent interface: attribute reason 
PASS DOMParser interface: existence and properties of interface object 
PASS Navigator interface: existence and properties of interface object 
PASS PluginArray interface: existence and properties of interface object 
PASS MimeTypeArray interface: existence and properties of interface object 
PASS Plugin interface: existence and properties of interface object 
PASS MimeType interface: existence and properties of interface object 
PASS ImageBitmap interface: existence and properties of interface object 
PASS ImageBitmap interface object length 
PASS ImageBitmap interface object name 
PASS ImageBitmap interface: existence and properties of interface prototype object 
PASS ImageBitmap interface: existence and properties of interface prototype object's "constructor" property 
PASS ImageBitmap interface: existence and properties of interface prototype object's @@unscopables property 
PASS ImageBitmap interface: attribute width 
PASS ImageBitmap interface: attribute height 
PASS ImageBitmap interface: operation close() 
PASS MessageEvent interface: existence and properties of interface object 
PASS MessageEvent interface object length 
PASS MessageEvent interface object name 
PASS MessageEvent interface: existence and properties of interface prototype object 
PASS MessageEvent interface: existence and properties of interface prototype object's "constructor" property 
PASS MessageEvent interface: existence and properties of interface prototype object's @@unscopables property 
PASS MessageEvent interface: attribute data 
PASS MessageEvent interface: attribute origin 
PASS MessageEvent interface: attribute lastEventId 
PASS MessageEvent interface: attribute source 
PASS MessageEvent interface: attribute ports 
PASS MessageEvent interface: operation initMessageEvent(DOMString, optional boolean, optional boolean, optional any, optional USVString, optional DOMString, optional MessageEventSource?, optional sequence<MessagePort>) 
PASS MessageEvent must be primary interface of new MessageEvent("message", { data: 5 }) 
PASS Stringification of new MessageEvent("message", { data: 5 }) 
PASS MessageEvent interface: new MessageEvent("message", { data: 5 }) must inherit property "data" with the proper type 
PASS MessageEvent interface: new MessageEvent("message", { data: 5 }) must inherit property "origin" with the proper type 
PASS MessageEvent interface: new MessageEvent("message", { data: 5 }) must inherit property "lastEventId" with the proper type 
PASS MessageEvent interface: new MessageEvent("message", { data: 5 }) must inherit property "source" with the proper type 
PASS MessageEvent interface: new MessageEvent("message", { data: 5 }) must inherit property "ports" with the proper type 
PASS MessageEvent interface: new MessageEvent("message", { data: 5 }) must inherit property "initMessageEvent(DOMString, optional boolean, optional boolean, optional any, optional USVString, optional DOMString, optional MessageEventSource?, optional sequence<MessagePort>)" with the proper type 
PASS MessageEvent interface: calling initMessageEvent(DOMString, optional boolean, optional boolean, optional any, optional USVString, optional DOMString, optional MessageEventSource?, optional sequence<MessagePort>) on new MessageEvent("message", { data: 5 }) with too few arguments must throw TypeError 
PASS EventSource interface: existence and properties of interface object 
PASS EventSource interface object length 
PASS EventSource interface object name 
PASS EventSource interface: existence and properties of interface prototype object 
PASS EventSource interface: existence and properties of interface prototype object's "constructor" property 
PASS EventSource interface: existence and properties of interface prototype object's @@unscopables property 
PASS EventSource interface: attribute url 
PASS EventSource interface: attribute withCredentials 
PASS EventSource interface: constant CONNECTING on interface object 
PASS EventSource interface: constant CONNECTING on interface prototype object 
PASS EventSource interface: constant OPEN on interface object 
PASS EventSource interface: constant OPEN on interface prototype object 
PASS EventSource interface: constant CLOSED on interface object 
PASS EventSource interface: constant CLOSED on interface prototype object 
PASS EventSource interface: attribute readyState 
PASS EventSource interface: attribute onopen 
PASS EventSource interface: attribute onmessage 
PASS EventSource interface: attribute onerror 
PASS EventSource interface: operation close() 
PASS WebSocket interface: existence and properties of interface object 
PASS WebSocket interface object length 
PASS WebSocket interface object name 
PASS WebSocket interface: existence and properties of interface prototype object 
PASS WebSocket interface: existence and properties of interface prototype object's "constructor" property 
PASS WebSocket interface: existence and properties of interface prototype object's @@unscopables property 
PASS WebSocket interface: attribute url 
PASS WebSocket interface: constant CONNECTING on interface object 
PASS WebSocket interface: constant CONNECTING on interface prototype object 
PASS WebSocket interface: constant OPEN on interface object 
PASS WebSocket interface: constant OPEN on interface prototype object 
PASS WebSocket interface: constant CLOSING on interface object 
PASS WebSocket interface: constant CLOSING on interface prototype object 
PASS WebSocket interface: constant CLOSED on interface object 
PASS WebSocket interface: constant CLOSED on interface prototype object 
PASS WebSocket interface: attribute readyState 
PASS WebSocket interface: attribute bufferedAmount 
PASS WebSocket interface: attribute onopen 
PASS WebSocket interface: attribute onerror 
PASS WebSocket interface: attribute onclose 
PASS WebSocket interface: attribute extensions 
PASS WebSocket interface: attribute protocol 
PASS WebSocket interface: operation close(optional unsigned short, optional USVString) 
PASS WebSocket interface: attribute onmessage 
PASS WebSocket interface: attribute binaryType 
PASS WebSocket interface: operation send(USVString) 
PASS WebSocket interface: operation send(Blob) 
PASS WebSocket interface: operation send(ArrayBuffer) 
PASS WebSocket interface: operation send(ArrayBufferView) 
PASS WebSocket must be primary interface of new WebSocket("ws://foo") 
PASS Stringification of new WebSocket("ws://foo") 
PASS WebSocket interface: new WebSocket("ws://foo") must inherit property "url" with the proper type 
PASS WebSocket interface: new WebSocket("ws://foo") must inherit property "CONNECTING" with the proper type 
PASS WebSocket interface: new WebSocket("ws://foo") must inherit property "OPEN" with the proper type 
PASS WebSocket interface: new WebSocket("ws://foo") must inherit property "CLOSING" with the proper type 
PASS WebSocket interface: new WebSocket("ws://foo") must inherit property "CLOSED" with the proper type 
PASS WebSocket interface: new WebSocket("ws://foo") must inherit property "readyState" with the proper type 
PASS WebSocket interface: new WebSocket("ws://foo") must inherit property "bufferedAmount" with the proper type 
PASS WebSocket interface: new WebSocket("ws://foo") must inherit property "onopen" with the proper type 
PASS WebSocket interface: new WebSocket("ws://foo") must inherit property "onerror" with the proper type 
PASS WebSocket interface: new WebSocket("ws://foo") must inherit property "onclose" with the proper type 
PASS WebSocket interface: new WebSocket("ws://foo") must inherit property "extensions" with the proper type 
PASS WebSocket interface: new WebSocket("ws://foo") must inherit property "protocol" with the proper type 
PASS WebSocket interface: new WebSocket("ws://foo") must inherit property "close(optional unsigned short, optional USVString)" with the proper type 
PASS WebSocket interface: calling close(optional unsigned short, optional USVString) on new WebSocket("ws://foo") with too few arguments must throw TypeError 
PASS WebSocket interface: new WebSocket("ws://foo") must inherit property "onmessage" with the proper type 
PASS WebSocket interface: new WebSocket("ws://foo") must inherit property "binaryType" with the proper type 
PASS WebSocket interface: new WebSocket("ws://foo") must inherit property "send(USVString)" with the proper type 
PASS WebSocket interface: calling send(USVString) on new WebSocket("ws://foo") with too few arguments must throw TypeError 
PASS WebSocket interface: new WebSocket("ws://foo") must inherit property "send(Blob)" with the proper type 
PASS WebSocket interface: calling send(Blob) on new WebSocket("ws://foo") with too few arguments must throw TypeError 
PASS WebSocket interface: new WebSocket("ws://foo") must inherit property "send(ArrayBuffer)" with the proper type 
PASS WebSocket interface: calling send(ArrayBuffer) on new WebSocket("ws://foo") with too few arguments must throw TypeError 
PASS WebSocket interface: new WebSocket("ws://foo") must inherit property "send(ArrayBufferView)" with the proper type 
PASS WebSocket interface: calling send(ArrayBufferView) on new WebSocket("ws://foo") with too few arguments must throw TypeError 
PASS CloseEvent interface: existence and properties of interface object 
PASS CloseEvent interface object length 
PASS CloseEvent interface object name 
PASS CloseEvent interface: existence and properties of interface prototype object 
PASS CloseEvent interface: existence and properties of interface prototype object's "constructor" property 
PASS CloseEvent interface: existence and properties of interface prototype object's @@unscopables property 
PASS CloseEvent interface: attribute wasClean 
PASS CloseEvent interface: attribute code 
PASS CloseEvent interface: attribute reason 
PASS CloseEvent must be primary interface of new CloseEvent("close") 
PASS Stringification of new CloseEvent("close") 
PASS CloseEvent interface: new CloseEvent("close") must inherit property "wasClean" with the proper type 
PASS CloseEvent interface: new CloseEvent("close") must inherit property "code" with the proper type 
PASS CloseEvent interface: new CloseEvent("close") must inherit property "reason" with the proper type 
PASS MessageChannel interface: existence and properties of interface object 
PASS MessageChannel interface object length 
PASS MessageChannel interface object name 
PASS MessageChannel interface: existence and properties of interface prototype object 
PASS MessageChannel interface: existence and properties of interface prototype object's "constructor" property 
PASS MessageChannel interface: existence and properties of interface prototype object's @@unscopables property 
PASS MessageChannel interface: attribute port1 
PASS MessageChannel interface: attribute port2 
PASS MessagePort interface: existence and properties of interface object 
PASS MessagePort interface object length 
PASS MessagePort interface object name 
PASS MessagePort interface: existence and properties of interface prototype object 
PASS MessagePort interface: existence and properties of interface prototype object's "constructor" property 
PASS MessagePort interface: existence and properties of interface prototype object's @@unscopables property 
PASS MessagePort interface: operation postMessage(any, sequence<object>) 
PASS MessagePort interface: operation postMessage(any, optional PostMessageOptions) 
PASS MessagePort interface: operation start() 
PASS MessagePort interface: operation close() 
PASS MessagePort interface: attribute onmessage 
FAIL MessagePort interface: attribute onmessageerror assert_true: The prototype object must have a property "onmessageerror" expected true got false
FAIL BroadcastChannel interface: existence and properties of interface object assert_own_property: self does not have own property "BroadcastChannel" expected property "BroadcastChannel" missing
FAIL BroadcastChannel interface object length assert_own_property: self does not have own property "BroadcastChannel" expected property "BroadcastChannel" missing
FAIL BroadcastChannel interface object name assert_own_property: self does not have own property "BroadcastChannel" expected property "BroadcastChannel" missing
FAIL BroadcastChannel interface: existence and properties of interface prototype object assert_own_property: self does not have own property "BroadcastChannel" expected property "BroadcastChannel" missing
FAIL BroadcastChannel interface: existence and properties of interface prototype object's "constructor" property assert_own_property: self does not have own property "BroadcastChannel" expected property "BroadcastChannel" missing
FAIL BroadcastChannel interface: existence and properties of interface prototype object's @@unscopables property assert_own_property: self does not have own property "BroadcastChannel" expected property "BroadcastChannel" missing
FAIL BroadcastChannel interface: attribute name assert_own_property: self does not have own property "BroadcastChannel" expected property "BroadcastChannel" missing
FAIL BroadcastChannel interface: operation postMessage(any) assert_own_property: self does not have own property "BroadcastChannel" expected property "BroadcastChannel" missing
FAIL BroadcastChannel interface: operation close() assert_own_property: self does not have own property "BroadcastChannel" expected property "BroadcastChannel" missing
FAIL BroadcastChannel interface: attribute onmessage assert_own_property: self does not have own property "BroadcastChannel" expected property "BroadcastChannel" missing
FAIL BroadcastChannel interface: attribute onmessageerror assert_own_property: self does not have own property "BroadcastChannel" expected property "BroadcastChannel" missing
PASS WorkerGlobalScope interface: existence and properties of interface object 
PASS WorkerGlobalScope interface object length 
PASS WorkerGlobalScope interface object name 
PASS WorkerGlobalScope interface: existence and properties of interface prototype object 
PASS WorkerGlobalScope interface: existence and properties of interface prototype object's "constructor" property 
PASS WorkerGlobalScope interface: existence and properties of interface prototype object's @@unscopables property 
PASS WorkerGlobalScope interface: attribute self 
PASS WorkerGlobalScope interface: attribute location 
PASS WorkerGlobalScope interface: attribute navigator 
PASS WorkerGlobalScope interface: operation importScripts(USVString...) 
PASS WorkerGlobalScope interface: attribute onerror 
FAIL WorkerGlobalScope interface: attribute onlanguagechange assert_true: The prototype object must have a property "onlanguagechange" expected true got false
PASS WorkerGlobalScope interface: attribute onoffline 
PASS WorkerGlobalScope interface: attribute ononline 
PASS WorkerGlobalScope interface: attribute onrejectionhandled 
PASS WorkerGlobalScope interface: attribute onunhandledrejection 
PASS WorkerGlobalScope interface: attribute origin 
PASS WorkerGlobalScope interface: operation btoa(DOMString) 
PASS WorkerGlobalScope interface: operation atob(DOMString) 
PASS WorkerGlobalScope interface: operation setTimeout(TimerHandler, optional long, any...) 
PASS WorkerGlobalScope interface: operation clearTimeout(optional long) 
PASS WorkerGlobalScope interface: operation setInterval(TimerHandler, optional long, any...) 
PASS WorkerGlobalScope interface: operation clearInterval(optional long) 
PASS WorkerGlobalScope interface: operation queueMicrotask(VoidFunction) 
PASS WorkerGlobalScope interface: operation createImageBitmap(ImageBitmapSource, optional ImageBitmapOptions) 
PASS WorkerGlobalScope interface: operation createImageBitmap(ImageBitmapSource, long, long, long, long, optional ImageBitmapOptions) 
PASS DedicatedWorkerGlobalScope interface: existence and properties of interface object 
PASS DedicatedWorkerGlobalScope interface object length 
PASS DedicatedWorkerGlobalScope interface object name 
PASS DedicatedWorkerGlobalScope interface: existence and properties of interface prototype object 
PASS DedicatedWorkerGlobalScope interface: internal [[SetPrototypeOf]] method of interface prototype object - setting to a new value via Object.setPrototypeOf should throw a TypeError 
PASS DedicatedWorkerGlobalScope interface: internal [[SetPrototypeOf]] method of interface prototype object - setting to a new value via __proto__ should throw a TypeError 
PASS DedicatedWorkerGlobalScope interface: internal [[SetPrototypeOf]] method of interface prototype object - setting to a new value via Reflect.setPrototypeOf should return false 
PASS DedicatedWorkerGlobalScope interface: internal [[SetPrototypeOf]] method of interface prototype object - setting to its original value via Object.setPrototypeOf should not throw 
PASS DedicatedWorkerGlobalScope interface: internal [[SetPrototypeOf]] method of interface prototype object - setting to its original value via __proto__ should not throw 
PASS DedicatedWorkerGlobalScope interface: internal [[SetPrototypeOf]] method of interface prototype object - setting to its original value via Reflect.setPrototypeOf should return true 
PASS DedicatedWorkerGlobalScope interface: existence and properties of interface prototype object's "constructor" property 
PASS DedicatedWorkerGlobalScope interface: existence and properties of interface prototype object's @@unscopables property 
PASS DedicatedWorkerGlobalScope interface: attribute name 
PASS DedicatedWorkerGlobalScope interface: operation postMessage(any, sequence<object>) 
PASS DedicatedWorkerGlobalScope interface: operation postMessage(any, optional PostMessageOptions) 
PASS DedicatedWorkerGlobalScope interface: operation close() 
PASS DedicatedWorkerGlobalScope interface: attribute onmessage 
FAIL DedicatedWorkerGlobalScope interface: attribute onmessageerror assert_own_property: The global object must have a property "onmessageerror" expected property "onmessageerror" missing
PASS DedicatedWorkerGlobalScope interface: operation requestAnimationFrame(FrameRequestCallback) 
PASS DedicatedWorkerGlobalScope interface: operation cancelAnimationFrame(unsigned long) 
PASS DedicatedWorkerGlobalScope interface: internal [[SetPrototypeOf]] method of global platform object - setting to a new value via Object.setPrototypeOf should throw a TypeError 
PASS DedicatedWorkerGlobalScope interface: internal [[SetPrototypeOf]] method of global platform object - setting to a new value via __proto__ should throw a TypeError 
PASS DedicatedWorkerGlobalScope interface: internal [[SetPrototypeOf]] method of global platform object - setting to a new value via Reflect.setPrototypeOf should return false 
PASS DedicatedWorkerGlobalScope interface: internal [[SetPrototypeOf]] method of global platform object - setting to its original value via Object.setPrototypeOf should not throw 
PASS DedicatedWorkerGlobalScope interface: internal [[SetPrototypeOf]] method of global platform object - setting to its original value via __proto__ should not throw 
PASS DedicatedWorkerGlobalScope interface: internal [[SetPrototypeOf]] method of global platform object - setting to its original value via Reflect.setPrototypeOf should return true 
PASS DedicatedWorkerGlobalScope must be primary interface of self 
PASS Stringification of self 
PASS DedicatedWorkerGlobalScope interface: self must inherit property "name" with the proper type 
PASS DedicatedWorkerGlobalScope interface: self must inherit property "postMessage(any, sequence<object>)" with the proper type 
PASS DedicatedWorkerGlobalScope interface: calling postMessage(any, sequence<object>) on self with too few arguments must throw TypeError 
PASS DedicatedWorkerGlobalScope interface: self must inherit property "postMessage(any, optional PostMessageOptions)" with the proper type 
PASS DedicatedWorkerGlobalScope interface: calling postMessage(any, optional PostMessageOptions) on self with too few arguments must throw TypeError 
PASS DedicatedWorkerGlobalScope interface: self must inherit property "close()" with the proper type 
PASS DedicatedWorkerGlobalScope interface: self must inherit property "onmessage" with the proper type 
FAIL DedicatedWorkerGlobalScope interface: self must inherit property "onmessageerror" with the proper type assert_own_property: expected property "onmessageerror" missing
PASS DedicatedWorkerGlobalScope interface: self must inherit property "requestAnimationFrame(FrameRequestCallback)" with the proper type 
PASS DedicatedWorkerGlobalScope interface: calling requestAnimationFrame(FrameRequestCallback) on self with too few arguments must throw TypeError 
PASS DedicatedWorkerGlobalScope interface: self must inherit property "cancelAnimationFrame(unsigned long)" with the proper type 
PASS DedicatedWorkerGlobalScope interface: calling cancelAnimationFrame(unsigned long) on self with too few arguments must throw TypeError 
PASS WorkerGlobalScope interface: self must inherit property "self" with the proper type 
PASS WorkerGlobalScope interface: self must inherit property "location" with the proper type 
PASS WorkerGlobalScope interface: self must inherit property "navigator" with the proper type 
PASS WorkerGlobalScope interface: self must inherit property "importScripts(USVString...)" with the proper type 
PASS WorkerGlobalScope interface: calling importScripts(USVString...) on self with too few arguments must throw TypeError 
PASS WorkerGlobalScope interface: self must inherit property "onerror" with the proper type 
FAIL WorkerGlobalScope interface: self must inherit property "onlanguagechange" with the proper type assert_inherits: property "onlanguagechange" not found in prototype chain
PASS WorkerGlobalScope interface: self must inherit property "onoffline" with the proper type 
PASS WorkerGlobalScope interface: self must inherit property "ononline" with the proper type 
PASS WorkerGlobalScope interface: self must inherit property "onrejectionhandled" with the proper type 
PASS WorkerGlobalScope interface: self must inherit property "onunhandledrejection" with the proper type 
PASS WorkerGlobalScope interface: self must inherit property "origin" with the proper type 
PASS WorkerGlobalScope interface: self must inherit property "btoa(DOMString)" with the proper type 
PASS WorkerGlobalScope interface: calling btoa(DOMString) on self with too few arguments must throw TypeError 
PASS WorkerGlobalScope interface: self must inherit property "atob(DOMString)" with the proper type 
PASS WorkerGlobalScope interface: calling atob(DOMString) on self with too few arguments must throw TypeError 
PASS WorkerGlobalScope interface: self must inherit property "setTimeout(TimerHandler, optional long, any...)" with the proper type 
PASS WorkerGlobalScope interface: calling setTimeout(TimerHandler, optional long, any...) on self with too few arguments must throw TypeError 
PASS WorkerGlobalScope interface: self must inherit property "clearTimeout(optional long)" with the proper type 
PASS WorkerGlobalScope interface: calling clearTimeout(optional long) on self with too few arguments must throw TypeError 
PASS WorkerGlobalScope interface: self must inherit property "setInterval(TimerHandler, optional long, any...)" with the proper type 
PASS WorkerGlobalScope interface: calling setInterval(TimerHandler, optional long, any...) on self with too few arguments must throw TypeError 
PASS WorkerGlobalScope interface: self must inherit property "clearInterval(optional long)" with the proper type 
PASS WorkerGlobalScope interface: calling clearInterval(optional long) on self with too few arguments must throw TypeError 
PASS WorkerGlobalScope interface: self must inherit property "queueMicrotask(VoidFunction)" with the proper type 
PASS WorkerGlobalScope interface: calling queueMicrotask(VoidFunction) on self with too few arguments must throw TypeError 
PASS WorkerGlobalScope interface: self must inherit property "createImageBitmap(ImageBitmapSource, optional ImageBitmapOptions)" with the proper type 
PASS WorkerGlobalScope interface: calling createImageBitmap(ImageBitmapSource, optional ImageBitmapOptions) on self with too few arguments must throw TypeError 
PASS WorkerGlobalScope interface: self must inherit property "createImageBitmap(ImageBitmapSource, long, long, long, long, optional ImageBitmapOptions)" with the proper type 
PASS WorkerGlobalScope interface: calling createImageBitmap(ImageBitmapSource, long, long, long, long, optional ImageBitmapOptions) on self with too few arguments must throw TypeError 
PASS SharedWorkerGlobalScope interface: existence and properties of interface object 
FAIL Worker interface: existence and properties of interface object assert_own_property: self does not have own property "Worker" expected property "Worker" missing
FAIL Worker interface object length assert_own_property: self does not have own property "Worker" expected property "Worker" missing
FAIL Worker interface object name assert_own_property: self does not have own property "Worker" expected property "Worker" missing
FAIL Worker interface: existence and properties of interface prototype object assert_own_property: self does not have own property "Worker" expected property "Worker" missing
FAIL Worker interface: existence and properties of interface prototype object's "constructor" property assert_own_property: self does not have own property "Worker" expected property "Worker" missing
FAIL Worker interface: existence and properties of interface prototype object's @@unscopables property assert_own_property: self does not have own property "Worker" expected property "Worker" missing
FAIL Worker interface: operation terminate() assert_own_property: self does not have own property "Worker" expected property "Worker" missing
FAIL Worker interface: operation postMessage(any, sequence<object>) assert_own_property: self does not have own property "Worker" expected property "Worker" missing
FAIL Worker interface: operation postMessage(any, optional PostMessageOptions) assert_own_property: self does not have own property "Worker" expected property "Worker" missing
FAIL Worker interface: attribute onmessage assert_own_property: self does not have own property "Worker" expected property "Worker" missing
FAIL Worker interface: attribute onmessageerror assert_own_property: self does not have own property "Worker" expected property "Worker" missing
FAIL Worker interface: attribute onerror assert_own_property: self does not have own property "Worker" expected property "Worker" missing
FAIL SharedWorker interface: existence and properties of interface object assert_own_property: self does not have own property "SharedWorker" expected property "SharedWorker" missing
FAIL SharedWorker interface object length assert_own_property: self does not have own property "SharedWorker" expected property "SharedWorker" missing
FAIL SharedWorker interface object name assert_own_property: self does not have own property "SharedWorker" expected property "SharedWorker" missing
FAIL SharedWorker interface: existence and properties of interface prototype object assert_own_property: self does not have own property "SharedWorker" expected property "SharedWorker" missing
FAIL SharedWorker interface: existence and properties of interface prototype object's "constructor" property assert_own_property: self does not have own property "SharedWorker" expected property "SharedWorker" missing
FAIL SharedWorker interface: existence and properties of interface prototype object's @@unscopables property assert_own_property: self does not have own property "SharedWorker" expected property "SharedWorker" missing
FAIL SharedWorker interface: attribute port assert_own_property: self does not have own property "SharedWorker" expected property "SharedWorker" missing
FAIL SharedWorker interface: attribute onerror assert_own_property: self does not have own property "SharedWorker" expected property "SharedWorker" missing
PASS WorkerNavigator interface: existence and properties of interface object 
PASS WorkerNavigator interface object length 
PASS WorkerNavigator interface object name 
PASS WorkerNavigator interface: existence and properties of interface prototype object 
PASS WorkerNavigator interface: existence and properties of interface prototype object's "constructor" property 
PASS WorkerNavigator interface: existence and properties of interface prototype object's @@unscopables property 
PASS WorkerNavigator interface: attribute appCodeName 
PASS WorkerNavigator interface: attribute appName 
PASS WorkerNavigator interface: attribute appVersion 
PASS WorkerNavigator interface: attribute platform 
PASS WorkerNavigator interface: attribute product 
PASS WorkerNavigator interface: member productSub 
PASS WorkerNavigator interface: attribute userAgent 
PASS WorkerNavigator interface: member vendor 
PASS WorkerNavigator interface: member vendorSub 
PASS WorkerNavigator interface: member taintEnabled 
PASS WorkerNavigator interface: member oscpu 
PASS WorkerNavigator interface: attribute language 
PASS WorkerNavigator interface: attribute languages 
PASS WorkerNavigator interface: attribute onLine 
FAIL WorkerNavigator interface: attribute hardwareConcurrency assert_true: The prototype object must have a property "hardwareConcurrency" expected true got false
PASS WorkerNavigator must be primary interface of self.navigator 
PASS Stringification of self.navigator 
PASS WorkerNavigator interface: self.navigator must inherit property "appCodeName" with the proper type 
PASS WorkerNavigator interface: self.navigator must inherit property "appName" with the proper type 
PASS WorkerNavigator interface: self.navigator must inherit property "appVersion" with the proper type 
PASS WorkerNavigator interface: self.navigator must inherit property "platform" with the proper type 
PASS WorkerNavigator interface: self.navigator must inherit property "product" with the proper type 
PASS WorkerNavigator interface: self.navigator must not have property "productSub" 
PASS WorkerNavigator interface: self.navigator must inherit property "userAgent" with the proper type 
PASS WorkerNavigator interface: self.navigator must not have property "vendor" 
PASS WorkerNavigator interface: self.navigator must not have property "vendorSub" 
PASS WorkerNavigator interface: self.navigator must not have property "taintEnabled" 
PASS WorkerNavigator interface: self.navigator must not have property "oscpu" 
PASS WorkerNavigator interface: self.navigator must inherit property "language" with the proper type 
PASS WorkerNavigator interface: self.navigator must inherit property "languages" with the proper type 
PASS WorkerNavigator interface: self.navigator must inherit property "onLine" with the proper type 
FAIL WorkerNavigator interface: self.navigator must inherit property "hardwareConcurrency" with the proper type assert_inherits: property "hardwareConcurrency" not found in prototype chain
PASS WorkerLocation interface: existence and properties of interface object 
PASS WorkerLocation interface object length 
PASS WorkerLocation interface object name 
PASS WorkerLocation interface: existence and properties of interface prototype object 
PASS WorkerLocation interface: existence and properties of interface prototype object's "constructor" property 
PASS WorkerLocation interface: existence and properties of interface prototype object's @@unscopables property 
PASS WorkerLocation interface: attribute href 
PASS WorkerLocation interface: stringifier 
PASS WorkerLocation interface: attribute origin 
PASS WorkerLocation interface: attribute protocol 
PASS WorkerLocation interface: attribute host 
PASS WorkerLocation interface: attribute hostname 
PASS WorkerLocation interface: attribute port 
PASS WorkerLocation interface: attribute pathname 
PASS WorkerLocation interface: attribute search 
PASS WorkerLocation interface: attribute hash 
PASS WorkerLocation must be primary interface of self.location 
PASS Stringification of self.location 
PASS WorkerLocation interface: self.location must inherit property "href" with the proper type 
PASS WorkerLocation interface: self.location must inherit property "origin" with the proper type 
PASS WorkerLocation interface: self.location must inherit property "protocol" with the proper type 
PASS WorkerLocation interface: self.location must inherit property "host" with the proper type 
PASS WorkerLocation interface: self.location must inherit property "hostname" with the proper type 
PASS WorkerLocation interface: self.location must inherit property "port" with the proper type 
PASS WorkerLocation interface: self.location must inherit property "pathname" with the proper type 
PASS WorkerLocation interface: self.location must inherit property "search" with the proper type 
PASS WorkerLocation interface: self.location must inherit property "hash" with the proper type 
PASS Storage interface: existence and properties of interface object 
PASS StorageEvent interface: existence and properties of interface object 
PASS HTMLMarqueeElement interface: existence and properties of interface object 
PASS HTMLFrameSetElement interface: existence and properties of interface object 
PASS HTMLFrameElement interface: existence and properties of interface object 
PASS HTMLDirectoryElement interface: existence and properties of interface object 
PASS HTMLFontElement interface: existence and properties of interface object 
PASS External interface: existence and properties of interface object 
PASS NodeList interface: existence and properties of interface object 
PASS HTMLCollection interface: existence and properties of interface object 
PASS Node interface: existence and properties of interface object 
PASS Document interface: existence and properties of interface object 
PASS DocumentFragment interface: existence and properties of interface object 
PASS ShadowRoot interface: existence and properties of interface object 
PASS Element interface: existence and properties of interface object 
PASS DOMTokenList interface: existence and properties of interface object 
PASS UIEvent interface: existence and properties of interface object 
PASS MouseEvent interface: existence and properties of interface object