This is a testharness.js-based test.
PASS Interfaces and attributes in ServiceWorkerGlobalScope 
PASS test setup (cache creation) 
PASS Event constructors 
PASS ServiceWorkerGlobalScope interface: existence and properties of interface object 
PASS ServiceWorkerGlobalScope interface object length 
PASS ServiceWorkerGlobalScope interface object name 
PASS ServiceWorkerGlobalScope interface: existence and properties of interface prototype object 
PASS ServiceWorkerGlobalScope interface: internal [[SetPrototypeOf]] method of interface prototype object - setting to a new value via Object.setPrototypeOf should throw a TypeError 
PASS ServiceWorkerGlobalScope interface: internal [[SetPrototypeOf]] method of interface prototype object - setting to a new value via __proto__ should throw a TypeError 
PASS ServiceWorkerGlobalScope interface: internal [[SetPrototypeOf]] method of interface prototype object - setting to a new value via Reflect.setPrototypeOf should return false 
PASS ServiceWorkerGlobalScope interface: internal [[SetPrototypeOf]] method of interface prototype object - setting to its original value via Object.setPrototypeOf should not throw 
PASS ServiceWorkerGlobalScope interface: internal [[SetPrototypeOf]] method of interface prototype object - setting to its original value via __proto__ should not throw 
PASS ServiceWorkerGlobalScope interface: internal [[SetPrototypeOf]] method of interface prototype object - setting to its original value via Reflect.setPrototypeOf should return true 
PASS ServiceWorkerGlobalScope interface: existence and properties of interface prototype object's "constructor" property 
PASS ServiceWorkerGlobalScope interface: attribute clients 
PASS ServiceWorkerGlobalScope interface: attribute registration 
PASS ServiceWorkerGlobalScope interface: operation skipWaiting() 
PASS ServiceWorkerGlobalScope interface: attribute oninstall 
PASS ServiceWorkerGlobalScope interface: attribute onactivate 
PASS ServiceWorkerGlobalScope interface: attribute onfetch 
PASS ServiceWorkerGlobalScope interface: attribute onforeignfetch 
PASS ServiceWorkerGlobalScope interface: attribute onmessage 
FAIL ServiceWorkerGlobalScope interface: attribute onmessageerror assert_own_property: The global object must have a property "onmessageerror" expected property "onmessageerror" missing
PASS ServiceWorkerGlobalScope interface: internal [[SetPrototypeOf]] method of global platform object - setting to a new value via Object.setPrototypeOf should throw a TypeError 
PASS ServiceWorkerGlobalScope interface: internal [[SetPrototypeOf]] method of global platform object - setting to a new value via __proto__ should throw a TypeError 
PASS ServiceWorkerGlobalScope interface: internal [[SetPrototypeOf]] method of global platform object - setting to a new value via Reflect.setPrototypeOf should return false 
PASS ServiceWorkerGlobalScope interface: internal [[SetPrototypeOf]] method of global platform object - setting to its original value via Object.setPrototypeOf should not throw 
PASS ServiceWorkerGlobalScope interface: internal [[SetPrototypeOf]] method of global platform object - setting to its original value via __proto__ should not throw 
PASS ServiceWorkerGlobalScope interface: internal [[SetPrototypeOf]] method of global platform object - setting to its original value via Reflect.setPrototypeOf should return true 
PASS ServiceWorkerGlobalScope must be primary interface of self 
PASS Stringification of self 
PASS ServiceWorkerGlobalScope interface: self must inherit property "clients" with the proper type 
PASS ServiceWorkerGlobalScope interface: self must inherit property "registration" with the proper type 
PASS ServiceWorkerGlobalScope interface: self must inherit property "skipWaiting()" with the proper type 
PASS ServiceWorkerGlobalScope interface: self must inherit property "oninstall" with the proper type 
PASS ServiceWorkerGlobalScope interface: self must inherit property "onactivate" with the proper type 
PASS ServiceWorkerGlobalScope interface: self must inherit property "onfetch" with the proper type 
PASS ServiceWorkerGlobalScope interface: self must inherit property "onforeignfetch" with the proper type 
PASS ServiceWorkerGlobalScope interface: self must inherit property "onmessage" with the proper type 
FAIL ServiceWorkerGlobalScope interface: self must inherit property "onmessageerror" with the proper type assert_own_property: expected property "onmessageerror" missing
PASS Client interface: existence and properties of interface object 
PASS Client interface object length 
PASS Client interface object name 
PASS Client interface: existence and properties of interface prototype object 
PASS Client interface: existence and properties of interface prototype object's "constructor" property 
PASS Client interface: attribute url 
PASS Client interface: attribute id 
PASS Client interface: attribute type 
FAIL Client interface: attribute reserved assert_true: The prototype object must have a property "reserved" expected true got false
PASS Client interface: operation postMessage(any, [object Object]) 
PASS WindowClient interface: existence and properties of interface object 
PASS WindowClient interface object length 
PASS WindowClient interface object name 
PASS WindowClient interface: existence and properties of interface prototype object 
PASS WindowClient interface: existence and properties of interface prototype object's "constructor" property 
PASS WindowClient interface: attribute visibilityState 
PASS WindowClient interface: attribute focused 
FAIL WindowClient interface: attribute ancestorOrigins assert_true: The prototype object must have a property "ancestorOrigins" expected true got false
PASS WindowClient interface: operation focus() 
PASS WindowClient interface: operation navigate(USVString) 
PASS Clients interface: existence and properties of interface object 
PASS Clients interface object length 
PASS Clients interface object name 
PASS Clients interface: existence and properties of interface prototype object 
PASS Clients interface: existence and properties of interface prototype object's "constructor" property 
PASS Clients interface: operation get(DOMString) 
PASS Clients interface: operation matchAll(ClientQueryOptions) 
PASS Clients interface: operation openWindow(USVString) 
PASS Clients interface: operation claim() 
PASS Clients must be primary interface of self.clients 
PASS Stringification of self.clients 
PASS Clients interface: self.clients must inherit property "get(DOMString)" with the proper type 
PASS Clients interface: calling get(DOMString) on self.clients with too few arguments must throw TypeError 
PASS Clients interface: self.clients must inherit property "matchAll(ClientQueryOptions)" with the proper type 
PASS Clients interface: calling matchAll(ClientQueryOptions) on self.clients with too few arguments must throw TypeError 
PASS Clients interface: self.clients must inherit property "openWindow(USVString)" with the proper type 
PASS Clients interface: calling openWindow(USVString) on self.clients with too few arguments must throw TypeError 
PASS Clients interface: self.clients must inherit property "claim()" with the proper type 
FAIL ServiceWorker interface: existence and properties of interface object assert_own_property: self does not have own property "ServiceWorker" expected property "ServiceWorker" missing
FAIL ServiceWorker interface object length assert_own_property: self does not have own property "ServiceWorker" expected property "ServiceWorker" missing
FAIL ServiceWorker interface object name assert_own_property: self does not have own property "ServiceWorker" expected property "ServiceWorker" missing
FAIL ServiceWorker interface: existence and properties of interface prototype object assert_own_property: self does not have own property "ServiceWorker" expected property "ServiceWorker" missing
FAIL ServiceWorker interface: existence and properties of interface prototype object's "constructor" property assert_own_property: self does not have own property "ServiceWorker" expected property "ServiceWorker" missing
FAIL ServiceWorker interface: attribute scriptURL assert_own_property: self does not have own property "ServiceWorker" expected property "ServiceWorker" missing
FAIL ServiceWorker interface: attribute state assert_own_property: self does not have own property "ServiceWorker" expected property "ServiceWorker" missing
FAIL ServiceWorker interface: operation postMessage(any, [object Object]) assert_own_property: self does not have own property "ServiceWorker" expected property "ServiceWorker" missing
FAIL ServiceWorker interface: attribute onstatechange assert_own_property: self does not have own property "ServiceWorker" expected property "ServiceWorker" missing
PASS ServiceWorkerRegistration interface: existence and properties of interface object 
PASS ServiceWorkerRegistration interface object length 
PASS ServiceWorkerRegistration interface object name 
PASS ServiceWorkerRegistration interface: existence and properties of interface prototype object 
PASS ServiceWorkerRegistration interface: existence and properties of interface prototype object's "constructor" property 
PASS ServiceWorkerRegistration interface: attribute installing 
PASS ServiceWorkerRegistration interface: attribute waiting 
PASS ServiceWorkerRegistration interface: attribute active 
PASS ServiceWorkerRegistration interface: attribute navigationPreload 
PASS ServiceWorkerRegistration interface: attribute scope 
FAIL ServiceWorkerRegistration interface: attribute updateViaCache assert_true: The prototype object must have a property "updateViaCache" expected true got false
PASS ServiceWorkerRegistration interface: operation update() 
PASS ServiceWorkerRegistration interface: operation unregister() 
PASS ServiceWorkerRegistration interface: attribute onupdatefound 
PASS ServiceWorkerRegistration must be primary interface of self.registration 
PASS Stringification of self.registration 
PASS ServiceWorkerRegistration interface: self.registration must inherit property "installing" with the proper type 
PASS ServiceWorkerRegistration interface: self.registration must inherit property "waiting" with the proper type 
PASS ServiceWorkerRegistration interface: self.registration must inherit property "active" with the proper type 
PASS ServiceWorkerRegistration interface: self.registration must inherit property "navigationPreload" with the proper type 
PASS ServiceWorkerRegistration interface: self.registration must inherit property "scope" with the proper type 
FAIL ServiceWorkerRegistration interface: self.registration must inherit property "updateViaCache" with the proper type assert_inherits: property "updateViaCache" not found in prototype chain
PASS ServiceWorkerRegistration interface: self.registration must inherit property "update()" with the proper type 
PASS ServiceWorkerRegistration interface: self.registration must inherit property "unregister()" with the proper type 
PASS ServiceWorkerRegistration interface: self.registration must inherit property "onupdatefound" with the proper type 
PASS EventTarget interface: self.registration must inherit property "addEventListener(DOMString, EventListener, [object Object],[object Object])" with the proper type 
PASS EventTarget interface: calling addEventListener(DOMString, EventListener, [object Object],[object Object]) on self.registration with too few arguments must throw TypeError 
PASS EventTarget interface: self.registration must inherit property "removeEventListener(DOMString, EventListener, [object Object],[object Object])" with the proper type 
PASS EventTarget interface: calling removeEventListener(DOMString, EventListener, [object Object],[object Object]) on self.registration with too few arguments must throw TypeError 
PASS EventTarget interface: self.registration must inherit property "dispatchEvent(Event)" with the proper type 
PASS EventTarget interface: calling dispatchEvent(Event) on self.registration with too few arguments must throw TypeError 
PASS EventTarget interface: existence and properties of interface object 
PASS EventTarget interface object length 
PASS EventTarget interface object name 
PASS EventTarget interface: existence and properties of interface prototype object 
PASS EventTarget interface: existence and properties of interface prototype object's "constructor" property 
PASS EventTarget interface: operation addEventListener(DOMString, EventListener, [object Object],[object Object]) 
PASS EventTarget interface: operation removeEventListener(DOMString, EventListener, [object Object],[object Object]) 
PASS EventTarget interface: operation dispatchEvent(Event) 
PASS NavigationPreloadManager interface: existence and properties of interface object 
PASS NavigationPreloadManager interface object length 
PASS NavigationPreloadManager interface object name 
PASS NavigationPreloadManager interface: existence and properties of interface prototype object 
PASS NavigationPreloadManager interface: existence and properties of interface prototype object's "constructor" property 
PASS NavigationPreloadManager interface: operation enable() 
PASS NavigationPreloadManager interface: operation disable() 
PASS NavigationPreloadManager interface: operation setHeaderValue(ByteString) 
PASS NavigationPreloadManager interface: operation getState() 
PASS Cache interface: existence and properties of interface object 
PASS Cache interface object length 
PASS Cache interface object name 
PASS Cache interface: existence and properties of interface prototype object 
PASS Cache interface: existence and properties of interface prototype object's "constructor" property 
PASS Cache interface: operation match(RequestInfo, CacheQueryOptions) 
PASS Cache interface: operation matchAll(RequestInfo, CacheQueryOptions) 
PASS Cache interface: operation add(RequestInfo) 
PASS Cache interface: operation addAll([object Object]) 
PASS Cache interface: operation put(RequestInfo, Response) 
PASS Cache interface: operation delete(RequestInfo, CacheQueryOptions) 
PASS Cache interface: operation keys(RequestInfo, CacheQueryOptions) 
PASS Cache must be primary interface of self.cacheInstance 
PASS Stringification of self.cacheInstance 
PASS Cache interface: self.cacheInstance must inherit property "match(RequestInfo, CacheQueryOptions)" with the proper type 
PASS Cache interface: calling match(RequestInfo, CacheQueryOptions) on self.cacheInstance with too few arguments must throw TypeError 
PASS Cache interface: self.cacheInstance must inherit property "matchAll(RequestInfo, CacheQueryOptions)" with the proper type 
PASS Cache interface: calling matchAll(RequestInfo, CacheQueryOptions) on self.cacheInstance with too few arguments must throw TypeError 
PASS Cache interface: self.cacheInstance must inherit property "add(RequestInfo)" with the proper type 
PASS Cache interface: calling add(RequestInfo) on self.cacheInstance with too few arguments must throw TypeError 
PASS Cache interface: self.cacheInstance must inherit property "addAll([object Object])" with the proper type 
PASS Cache interface: calling addAll([object Object]) on self.cacheInstance with too few arguments must throw TypeError 
PASS Cache interface: self.cacheInstance must inherit property "put(RequestInfo, Response)" with the proper type 
PASS Cache interface: calling put(RequestInfo, Response) on self.cacheInstance with too few arguments must throw TypeError 
PASS Cache interface: self.cacheInstance must inherit property "delete(RequestInfo, CacheQueryOptions)" with the proper type 
PASS Cache interface: calling delete(RequestInfo, CacheQueryOptions) on self.cacheInstance with too few arguments must throw TypeError 
PASS Cache interface: self.cacheInstance must inherit property "keys(RequestInfo, CacheQueryOptions)" with the proper type 
PASS Cache interface: calling keys(RequestInfo, CacheQueryOptions) on self.cacheInstance with too few arguments must throw TypeError 
PASS CacheStorage interface: existence and properties of interface object 
PASS CacheStorage interface object length 
PASS CacheStorage interface object name 
PASS CacheStorage interface: existence and properties of interface prototype object 
PASS CacheStorage interface: existence and properties of interface prototype object's "constructor" property 
PASS CacheStorage interface: operation match(RequestInfo, CacheQueryOptions) 
PASS CacheStorage interface: operation has(DOMString) 
PASS CacheStorage interface: operation open(DOMString) 
PASS CacheStorage interface: operation delete(DOMString) 
PASS CacheStorage interface: operation keys() 
PASS CacheStorage must be primary interface of self.caches 
PASS Stringification of self.caches 
PASS CacheStorage interface: self.caches must inherit property "match(RequestInfo, CacheQueryOptions)" with the proper type 
PASS CacheStorage interface: calling match(RequestInfo, CacheQueryOptions) on self.caches with too few arguments must throw TypeError 
PASS CacheStorage interface: self.caches must inherit property "has(DOMString)" with the proper type 
PASS CacheStorage interface: calling has(DOMString) on self.caches with too few arguments must throw TypeError 
PASS CacheStorage interface: self.caches must inherit property "open(DOMString)" with the proper type 
PASS CacheStorage interface: calling open(DOMString) on self.caches with too few arguments must throw TypeError 
PASS CacheStorage interface: self.caches must inherit property "delete(DOMString)" with the proper type 
PASS CacheStorage interface: calling delete(DOMString) on self.caches with too few arguments must throw TypeError 
PASS CacheStorage interface: self.caches must inherit property "keys()" with the proper type 
Harness: the test ran to completion.