49 lines
1.8 KiB
TypeScript
49 lines
1.8 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 {escapeCommentText} from '@angular/core/src/util/dom';
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describe('comment node text escaping', () => {
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describe('escapeCommentText', () => {
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it('should not change anything on basic text', () => {
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expect(escapeCommentText('text')).toEqual('text');
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});
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it('should escape "<" or ">"', () => {
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expect(escapeCommentText('<!--')).toEqual('\u200b<\u200b!--');
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expect(escapeCommentText('<!--<!--')).toEqual('\u200b<\u200b!--\u200b<\u200b!--');
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expect(escapeCommentText('>')).toEqual('\u200b>\u200b');
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expect(escapeCommentText('>-->')).toEqual('\u200b>\u200b--\u200b>\u200b');
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});
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it('should escape end marker', () => {
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expect(escapeCommentText('before-->after')).toEqual('before--\u200b>\u200bafter');
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});
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it('should escape multiple markers', () => {
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expect(escapeCommentText('before-->inline-->after'))
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.toEqual('before--\u200b>\u200binline--\u200b>\u200bafter');
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});
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it('should caver the spec', () => {
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// https://html.spec.whatwg.org/multipage/syntax.html#comments
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expect(escapeCommentText('>')).toEqual('\u200b>\u200b');
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expect(escapeCommentText('->')).toEqual('-\u200b>\u200b');
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expect(escapeCommentText('<!--')).toEqual('\u200b<\u200b!--');
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expect(escapeCommentText('-->')).toEqual('--\u200b>\u200b');
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expect(escapeCommentText('--!>')).toEqual('--!\u200b>\u200b');
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expect(escapeCommentText('<!-')).toEqual('\u200b<\u200b!-');
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// Things which are OK
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expect(escapeCommentText('.>')).toEqual('.>');
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expect(escapeCommentText('.->')).toEqual('.->');
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expect(escapeCommentText('<!-.')).toEqual('<!-.');
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});
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});
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});
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