build: move zone.js to angular repo (#30962)

PR Close #30962

packages/zone.js/test/browser/Worker.spec.ts

@@ -0,0 +1,39 @@
+/**
+ * @license
+ * Copyright Google Inc. All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+
+import {zoneSymbol} from '../../lib/common/utils';
+import {asyncTest, ifEnvSupports} from '../test-util';
+
+function workerSupport() {
+  const Worker = (window as any)['Worker'];
+  if (!Worker) {
+    return false;
+  }
+  const desc = Object.getOwnPropertyDescriptor(Worker.prototype, 'onmessage');
+  if (!desc || !desc.configurable) {
+    return false;
+  }
+  return true;
+}
+
+(workerSupport as any).message = 'Worker Support';
+
+xdescribe('Worker API', ifEnvSupports(workerSupport, function() {
+            it('Worker API should be patched by Zone', asyncTest((done: Function) => {
+                 const zone: Zone = Zone.current.fork({name: 'worker'});
+                 zone.run(() => {
+                   const worker =
+                       new Worker('/base/angular/packages/zone.js/test/assets/worker.js');
+                   worker.onmessage = function(evt: MessageEvent) {
+                     expect(evt.data).toEqual('worker');
+                     expect(Zone.current.name).toEqual('worker');
+                     done();
+                   };
+                 });
+               }, Zone.root));
+          }));