`main()` function used to be needed to support dart, since dart Does not allow top level statements. Since we no longer use dart The need for `main()` has been removed. In preparation for `Basel` and standardized way of running tests we are removing `main()` PR Close #21053
		
			
				
	
	
		
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			583 B
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			20 lines
		
	
	
		
			583 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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import {stringify} from '../src/util';
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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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    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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