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10 lines
244 B
JavaScript
10 lines
244 B
JavaScript
import { lower } from '../Lower'
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describe('Lower', () => {
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it('return uppercase strings', () => {
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expect(lower('hello')).toBe('hello')
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expect(lower('WORLD')).toBe('world')
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expect(lower('hello_WORLD')).toBe('hello_world')
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})
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})
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