/** * @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 {ifEnvSupports} from '../test-util'; declare const global: any; describe('MutationObserver', ifEnvSupports('MutationObserver', function() { let elt: HTMLDivElement; const testZone = Zone.current.fork({name: 'test'}); beforeEach(function() { elt = document.createElement('div'); }); it('should run observers within the zone', function(done) { let ob; testZone.run(function() { ob = new MutationObserver(function() { expect(Zone.current).toBe(testZone); done(); }); ob.observe(elt, {childList: true}); }); elt.innerHTML = '

hey

'; }); it('should only dequeue upon disconnect if something is observed', function() { let ob: MutationObserver; let flag = false; const elt = document.createElement('div'); const childZone = Zone.current.fork({ name: 'test', onInvokeTask: function() { flag = true; } }); childZone.run(function() { ob = new MutationObserver(function() {}); }); ob!.disconnect(); expect(flag).toBe(false); }); })); describe('WebKitMutationObserver', ifEnvSupports('WebKitMutationObserver', function() { const testZone = Zone.current.fork({name: 'test'}); it('should run observers within the zone', function(done) { let elt: HTMLDivElement; testZone.run(function() { elt = document.createElement('div'); const ob = new global['WebKitMutationObserver'](function() { expect(Zone.current).toBe(testZone); done(); }); ob.observe(elt, {childList: true}); }); elt!.innerHTML = '

hey

'; }); }));