20 lines
		
	
	
		
			593 B
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			20 lines
		
	
	
		
			593 B
		
	
	
	
		
			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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| 
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| import {stringify} from '../src/util/stringify';
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| 
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| {
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|   describe('stringify', () => {
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|     it('should return string undefined when toString returns undefined',
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|        () => expect(stringify({toString: (): any => undefined})).toBe('undefined'));
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| 
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|     it('should return string null when toString returns null',
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|        () => expect(stringify({toString: (): any => null})).toBe('null'));
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|   });
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| }
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