38 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			38 lines
		
	
	
		
			1.2 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 {beforeEach, ddescribe, describe, expect, iit, inject, it, xdescribe, xit} from '@angular/core/testing/testing_internal';
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import {strHash} from '../../src/i18n/digest';
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export function main(): void {
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  describe('strHash', () => {
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    it('should return a hash value', () => {
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      // https://github.com/google/closure-library/blob/1fb19a857b96b74e6523f3e9d33080baf25be046/closure/goog/string/string_test.js#L1115
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      expectHash('', 0);
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      expectHash('foo', 101574);
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      expectHash('\uAAAAfoo', 1301670364);
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      expectHash('a', 92567585, 5);
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      expectHash('a', 2869595232, 6);
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      expectHash('a', 3058106369, 7);
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      expectHash('a', 312017024, 8);
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      expectHash('a', 2929737728, 1024);
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    });
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  });
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}
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function expectHash(text: string, decimal: number, repeat: number = 1) {
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  let acc = text;
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  for (let i = 1; i < repeat; i++) {
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    acc += text;
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  }
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  const hash = strHash(acc);
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  expect(typeof(hash)).toEqual('string');
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  expect(hash.length > 0).toBe(true);
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  expect(parseInt(hash, 16)).toEqual(decimal);
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} |