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10 lines
295 B
JavaScript
10 lines
295 B
JavaScript
import upperFirst from '../src/upperFirst';
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describe('upperFirst', () => {
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it('should uppercase only the first character', () => {
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expect(upperFirst('fred')).toBe('Fred');
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expect(upperFirst('Fred')).toBe('Fred');
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expect(upperFirst('FRED')).toBe('FRED');
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});
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});
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