99 lines
3.4 KiB
TypeScript
99 lines
3.4 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. 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 {fakeAsync} from '@angular/core/testing/src/fake_async';
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import {SyncAsync, escapeRegExp, splitAtColon, stringify, utf8Encode} from '../src/util';
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{
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describe('util', () => {
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describe('splitAtColon', () => {
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it('should split when a single ":" is present', () => {
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expect(splitAtColon('a:b', [])).toEqual(['a', 'b']);
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});
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it('should trim parts', () => { expect(splitAtColon(' a : b ', [])).toEqual(['a', 'b']); });
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it('should support multiple ":"', () => {
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expect(splitAtColon('a:b:c', [])).toEqual(['a', 'b:c']);
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});
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it('should use the default value when no ":" is present', () => {
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expect(splitAtColon('ab', ['c', 'd'])).toEqual(['c', 'd']);
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});
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});
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describe('RegExp', () => {
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it('should escape regexp', () => {
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expect(new RegExp(escapeRegExp('b')).exec('abc')).toBeTruthy();
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expect(new RegExp(escapeRegExp('b')).exec('adc')).toBeFalsy();
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expect(new RegExp(escapeRegExp('a.b')).exec('a.b')).toBeTruthy();
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expect(new RegExp(escapeRegExp('a.b')).exec('axb')).toBeFalsy();
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});
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});
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describe('utf8encode', () => {
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// tests from https://github.com/mathiasbynens/wtf-8
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it('should encode to utf8', () => {
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const tests = [
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['abc', 'abc'],
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// // 1-byte
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['\0', '\0'],
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// // 2-byte
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['\u0080', '\xc2\x80'],
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['\u05ca', '\xd7\x8a'],
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['\u07ff', '\xdf\xbf'],
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// // 3-byte
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['\u0800', '\xe0\xa0\x80'],
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['\u2c3c', '\xe2\xb0\xbc'],
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['\uffff', '\xef\xbf\xbf'],
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// //4-byte
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['\uD800\uDC00', '\xF0\x90\x80\x80'],
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['\uD834\uDF06', '\xF0\x9D\x8C\x86'],
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['\uDBFF\uDFFF', '\xF4\x8F\xBF\xBF'],
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// unmatched surrogate halves
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// high surrogates: 0xD800 to 0xDBFF
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['\uD800', '\xED\xA0\x80'],
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['\uD800\uD800', '\xED\xA0\x80\xED\xA0\x80'],
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['\uD800A', '\xED\xA0\x80A'],
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['\uD800\uD834\uDF06\uD800', '\xED\xA0\x80\xF0\x9D\x8C\x86\xED\xA0\x80'],
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['\uD9AF', '\xED\xA6\xAF'],
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['\uDBFF', '\xED\xAF\xBF'],
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// low surrogates: 0xDC00 to 0xDFFF
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['\uDC00', '\xED\xB0\x80'],
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['\uDC00\uDC00', '\xED\xB0\x80\xED\xB0\x80'],
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['\uDC00A', '\xED\xB0\x80A'],
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['\uDC00\uD834\uDF06\uDC00', '\xED\xB0\x80\xF0\x9D\x8C\x86\xED\xB0\x80'],
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['\uDEEE', '\xED\xBB\xAE'],
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['\uDFFF', '\xED\xBF\xBF'],
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];
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tests.forEach(
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([input, output]: [string, string]) => { expect(utf8Encode(input)).toEqual(output); });
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});
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});
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describe('stringify', () => {
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it('should pretty print an Object', () => {
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const result = stringify({hello: 'world'});
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expect(result).toBe('{"hello":"world"}');
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});
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it('should truncate large object', () => {
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const result = stringify({
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selector: 'app-root',
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preserveWhitespaces: false,
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templateUrl: './app.component.ng.html',
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styleUrls: ['./app.component.css']
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});
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expect(result).toBe(
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'{"selector":"app-root","preserveWhitespaces":false,"templateUrl":"./app.component.ng.html","styleUrl...');
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});
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});
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});
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}
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