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

PR Close #30962

packages/zone.js/test/rxjs/rxjs.Observable.multicast.spec.ts

@@ -0,0 +1,68 @@
+/**
+ * @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 {Observable, Subject, of } from 'rxjs';
+import {mapTo, multicast, tap} from 'rxjs/operators';
+
+
+// TODO: @JiaLiPassion, Observable.prototype.multicast return a readonly _subscribe
+// should find another way to patch subscribe
+describe('Observable.multicast', () => {
+  let log: any[];
+  const constructorZone1: Zone = Zone.current.fork({name: 'Constructor Zone1'});
+  const doZone1: Zone = Zone.current.fork({name: 'Do Zone1'});
+  const mapZone1: Zone = Zone.current.fork({name: 'Map Zone1'});
+  const multicastZone1: Zone = Zone.current.fork({name: 'Multicast Zone1'});
+  const subscriptionZone: Zone = Zone.current.fork({name: 'Subscription Zone'});
+  let observable1: Observable<any>;
+
+  beforeEach(() => { log = []; });
+
+  it('multicast func callback should run in the correct zone', () => {
+    observable1 = constructorZone1.run(() => { return of (1, 2, 3); });
+
+    observable1 = doZone1.run(() => {
+      return observable1.pipe(tap((v: any) => {
+        expect(Zone.current.name).toEqual(doZone1.name);
+        log.push('do' + v);
+      }));
+    });
+
+    observable1 = mapZone1.run(() => { return observable1.pipe(mapTo('test')); });
+
+    const multi: any = multicastZone1.run(() => {
+      return observable1.pipe(multicast(() => {
+        expect(Zone.current.name).toEqual(multicastZone1.name);
+        return new Subject();
+      }));
+    });
+
+    multi.subscribe((val: any) => { log.push('one' + val); });
+
+    multi.subscribe((val: any) => { log.push('two' + val); });
+
+    multi.connect();
+
+    subscriptionZone.run(() => {
+      observable1.subscribe(
+          (result: any) => {
+            expect(Zone.current.name).toEqual(subscriptionZone.name);
+            log.push(result);
+          },
+          () => { fail('should not call error'); },
+          () => {
+            log.push('completed');
+            expect(Zone.current.name).toEqual(subscriptionZone.name);
+          });
+    });
+
+    expect(log).toEqual([
+      'do1', 'onetest', 'twotest', 'do2', 'onetest', 'twotest', 'do3', 'onetest', 'twotest', 'do1',
+      'test', 'do2', 'test', 'do3', 'test', 'completed'
+    ]);
+  });
+});