76 lines
2.2 KiB
TypeScript
76 lines
2.2 KiB
TypeScript
/**
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* @license
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* Copyright Google LLC All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {ifEnvSupports} from '../test-util';
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declare const global: any;
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describe('MutationObserver', ifEnvSupports('MutationObserver', function() {
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let elt: HTMLDivElement;
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const testZone = Zone.current.fork({name: 'test'});
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beforeEach(function() {
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elt = document.createElement('div');
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});
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it('should run observers within the zone', function(done) {
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let ob;
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testZone.run(function() {
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ob = new MutationObserver(function() {
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expect(Zone.current).toBe(testZone);
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done();
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});
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ob.observe(elt, {childList: true});
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});
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elt.innerHTML = '<p>hey</p>';
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});
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it('should only dequeue upon disconnect if something is observed', function() {
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let ob: MutationObserver;
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let flag = false;
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const elt = document.createElement('div');
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const childZone = Zone.current.fork({
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name: 'test',
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onInvokeTask: function() {
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flag = true;
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}
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});
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childZone.run(function() {
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ob = new MutationObserver(function() {});
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});
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ob!.disconnect();
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expect(flag).toBe(false);
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});
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}));
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describe('WebKitMutationObserver', ifEnvSupports('WebKitMutationObserver', function() {
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const testZone = Zone.current.fork({name: 'test'});
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it('should run observers within the zone', function(done) {
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let elt: HTMLDivElement;
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testZone.run(function() {
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elt = document.createElement('div');
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const ob = new global['WebKitMutationObserver'](function() {
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expect(Zone.current).toBe(testZone);
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done();
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});
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ob.observe(elt, {childList: true});
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});
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elt!.innerHTML = '<p>hey</p>';
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});
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}));
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