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10 lines
244 B
JavaScript
10 lines
244 B
JavaScript
import { upper } from '../Upper'
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describe('Upper', () => {
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it('return uppercase strings', () => {
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expect(upper('hello')).toBe('HELLO')
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expect(upper('WORLD')).toBe('WORLD')
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expect(upper('hello_WORLD')).toBe('HELLO_WORLD')
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})
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})
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