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

PR Close #30962

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

@@ -0,0 +1,87 @@
+/**
+ * @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, of } from 'rxjs';
+import {distinct, distinctUntilChanged, distinctUntilKeyChanged} from 'rxjs/operators';
+
+describe('Observable.distinct', () => {
+  let log: any[];
+  let observable1: Observable<any>;
+
+  beforeEach(() => { log = []; });
+
+  it('distinct func callback should run in the correct zone', () => {
+    const constructorZone1: Zone = Zone.current.fork({name: 'Constructor Zone1'});
+    const subscriptionZone: Zone = Zone.current.fork({name: 'Subscription Zone'});
+    const error = new Error('test');
+    observable1 = constructorZone1.run(
+        () => { return of (1, 1, 2, 2, 2, 1, 2, 3, 4, 3, 2, 1).pipe(distinct()); });
+
+    subscriptionZone.run(() => {
+      observable1.subscribe(
+          (result: any) => {
+            log.push(result);
+            expect(Zone.current.name).toEqual(subscriptionZone.name);
+          },
+          (err: any) => { fail('should not call error'); },
+          () => {
+            log.push('completed');
+            expect(Zone.current.name).toEqual(subscriptionZone.name);
+          });
+    });
+    expect(log).toEqual([1, 2, 3, 4, 'completed']);
+  });
+
+  it('distinctUntilChanged func callback should run in the correct zone', () => {
+    const constructorZone1: Zone = Zone.current.fork({name: 'Constructor Zone1'});
+    const subscriptionZone: Zone = Zone.current.fork({name: 'Subscription Zone'});
+    const error = new Error('test');
+    observable1 = constructorZone1.run(
+        () => { return of (1, 1, 2, 2, 2, 1, 1, 2, 3, 3, 4).pipe(distinctUntilChanged()); });
+
+    subscriptionZone.run(() => {
+      observable1.subscribe(
+          (result: any) => {
+            log.push(result);
+            expect(Zone.current.name).toEqual(subscriptionZone.name);
+          },
+          (err: any) => { fail('should not call error'); },
+          () => {
+            log.push('completed');
+            expect(Zone.current.name).toEqual(subscriptionZone.name);
+          });
+    });
+    expect(log).toEqual([1, 2, 1, 2, 3, 4, 'completed']);
+  });
+
+  it('distinctUntilKeyChanged func callback should run in the correct zone', () => {
+    const constructorZone1: Zone = Zone.current.fork({name: 'Constructor Zone1'});
+    const subscriptionZone: Zone = Zone.current.fork({name: 'Subscription Zone'});
+    const error = new Error('test');
+    observable1 = constructorZone1.run(() => {
+      return of ({age: 4, name: 'Foo'}, {age: 7, name: 'Bar'}, {age: 5, name: 'Foo'},
+                 {age: 6, name: 'Foo'})
+          .pipe(distinctUntilKeyChanged('name'));
+    });
+
+    subscriptionZone.run(() => {
+      observable1.subscribe(
+          (result: any) => {
+            log.push(result);
+            expect(Zone.current.name).toEqual(subscriptionZone.name);
+          },
+          (err: any) => { fail('should not call error'); },
+          () => {
+            log.push('completed');
+            expect(Zone.current.name).toEqual(subscriptionZone.name);
+          });
+    });
+    expect(log).toEqual(
+        [{age: 4, name: 'Foo'}, {age: 7, name: 'Bar'}, {age: 5, name: 'Foo'}, 'completed']);
+  });
+});