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

PR Close #30962

packages/zone.js/test/rxjs/rxjs.zip.spec.ts

@@ -0,0 +1,44 @@
+/**
+ * @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 {of , range, zip} from 'rxjs';
+
+describe('Observable.zip', () => {
+  let log: any[];
+  const constructorZone1: Zone = Zone.current.fork({name: 'Constructor Zone1'});
+  const subscriptionZone: Zone = Zone.current.fork({name: 'Subscription Zone'});
+
+  beforeEach(() => { log = []; });
+
+  it('zip func callback should run in the correct zone', () => {
+    const observable1: any = constructorZone1.run(() => { return range(1, 3); });
+    const observable2: any = constructorZone1.run(() => { return of ('foo', 'bar', 'beer'); });
+
+    const observable3: any = constructorZone1.run(() => {
+      return zip(observable1, observable2, function(n: number, str: string) {
+        expect(Zone.current.name).toEqual(constructorZone1.name);
+        return {n: n, str: str};
+      });
+    });
+
+    subscriptionZone.run(() => {
+      observable3.subscribe(
+          (result: any) => {
+            log.push(result);
+            expect(Zone.current.name).toEqual(subscriptionZone.name);
+          },
+          () => { fail('should not call error'); },
+          () => {
+            log.push('completed');
+            expect(Zone.current.name).toEqual(subscriptionZone.name);
+          });
+    });
+
+    expect(log).toEqual([{n: 1, str: 'foo'}, {n: 2, str: 'bar'}, {n: 3, str: 'beer'}, 'completed']);
+  });
+});