60 lines
1.7 KiB
TypeScript
60 lines
1.7 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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describe('SyncTestZoneSpec', () => {
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const SyncTestZoneSpec = (Zone as any)['SyncTestZoneSpec'];
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let testZoneSpec;
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let syncTestZone: Zone;
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beforeEach(() => {
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testZoneSpec = new SyncTestZoneSpec('name');
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syncTestZone = Zone.current.fork(testZoneSpec);
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});
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it('should fail on Promise.then', () => {
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syncTestZone.run(() => {
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expect(() => {
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Promise.resolve().then(function() {});
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}).toThrow(new Error('Cannot call Promise.then from within a sync test.'));
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});
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});
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it('should fail on setTimeout', () => {
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syncTestZone.run(() => {
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expect(() => {
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setTimeout(() => {}, 100);
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}).toThrow(new Error('Cannot call setTimeout from within a sync test.'));
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});
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});
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describe('event tasks', ifEnvSupports('document', () => {
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it('should work with event tasks', () => {
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syncTestZone.run(() => {
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const button = document.createElement('button');
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document.body.appendChild(button);
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let x = 1;
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try {
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button.addEventListener('click', () => {
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x++;
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});
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button.click();
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expect(x).toEqual(2);
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button.click();
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expect(x).toEqual(3);
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} finally {
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document.body.removeChild(button);
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}
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});
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});
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}));
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});
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