59 lines
1.9 KiB
TypeScript
59 lines
1.9 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 {describe, expect, it} from '@angular/core/testing/testing_internal';
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import {sha1} from '../../src/i18n/digest';
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export function main(): void {
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describe('sha1', () => {
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it('should work on emnpty strings',
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() => { expect(sha1('')).toEqual('da39a3ee5e6b4b0d3255bfef95601890afd80709'); });
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it('should returns the sha1 of "hello world"',
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() => { expect(sha1('abc')).toEqual('a9993e364706816aba3e25717850c26c9cd0d89d'); });
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it('should returns the sha1 of unicode strings',
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() => { expect(sha1('你好，世界')).toEqual('3becb03b015ed48050611c8d7afe4b88f70d5a20'); });
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it('should support arbitrary string size', () => {
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// node.js reference code:
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//
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// var crypto = require('crypto');
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//
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// function sha1(string) {
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// var shasum = crypto.createHash('sha1');
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// shasum.update(string, 'utf8');
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// return shasum.digest('hex', 'utf8');
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// }
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//
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// var prefix = `你好，世界`;
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// var result = sha1(prefix);
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// for (var size = prefix.length; size < 5000; size += 101) {
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// result = prefix + sha1(result);
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// while (result.length < size) {
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// result += result;
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// }
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// result = result.slice(-size);
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// }
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//
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// console.log(sha1(result));
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const prefix = `你好，世界`;
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let result = sha1(prefix);
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for (let size = prefix.length; size < 5000; size += 101) {
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result = prefix + sha1(result);
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while (result.length < size) {
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result += result;
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}
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result = result.slice(-size);
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}
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expect(sha1(result)).toEqual('24c2dae5c1ac6f604dbe670a60290d7ce6320b45');
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});
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});
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}
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