20 lines
		
	
	
		
			612 B
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
		
		
			
		
	
	
			20 lines
		
	
	
		
			612 B
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
|  | /** | ||
|  |  * @license | ||
|  |  * Copyright Google Inc. All Rights Reserved. | ||
|  |  * | ||
|  |  * Use of this source code is governed by an MIT-style license that can be | ||
|  |  * found in the LICENSE file at https://angular.io/license
 | ||
|  |  */ | ||
|  | 
 | ||
|  | import {stringify} from '../src/util'; | ||
|  | 
 | ||
|  | export function main() { | ||
|  |   describe('stringify', () => { | ||
|  |     it('should return string undefined when toString returns undefined', | ||
|  |        () => expect(stringify({toString: (): string => undefined})).toBe('undefined')); | ||
|  | 
 | ||
|  |     it('should return string null when toString returns null', | ||
|  |        () => expect(stringify({toString: (): string => null})).toBe('null')); | ||
|  |   }); | ||
|  | } |