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reverseString.spec.js

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const reverseString = require('./reverseString')

describe('reverseString', () => {

test('reverses single word', () => {

expect(reverseString('hello')).toEqual('olleh');

});

test('reverses multiple words', () => {

expect(reverseString('hello there')).toEqual('ereht olleh')

})

test('works with numbers and punctuation', () => {

expect(reverseString('123! abc!')).toEqual('!cba !321')

})

test('works with blank strings', () => {

expect(reverseString('')).toEqual('')

})

});