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import { length as lengthRamda } from 'ramda'
import { length } from './length.js'
test('happy', () => {  expect(length('foo')).toBe(3)  expect(length([ 1, 2, 3 ])).toBe(3)  expect(length([])).toBe(0)})
test('with empty string', () => {  expect(length('')).toBe(0)})
test('with bad input returns NaN', () => {  expect(length(0)).toBeNaN()  expect(length({})).toBeNaN()  expect(length(null)).toBeNaN()  expect(length(undefined)).toBeNaN()})
test('with length as property', () => {  const input1 = { length : '123' }  const input2 = { length : null }  const input3 = { length : '' }
  expect(length(input1)).toBeNaN()  expect(lengthRamda(input1)).toBeNaN()  expect(length(input2)).toBeNaN()  expect(lengthRamda(input2)).toBeNaN()  expect(length(input3)).toBeNaN()  expect(lengthRamda(input3)).toBeNaN()})