1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
import { range } from './range.js'
test('happy', () => {  expect(range(0, 10)).toEqual([ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 ])})
test('end range is bigger than start range', () => {  expect(range(7, 3)).toEqual([])  expect(range(5, 5)).toEqual([])})
test('with bad input', () => {  const throwMessage = 'Both arguments to range must be numbers'  expect(() => range('a', 6)).toThrowWithMessage(Error, throwMessage)  expect(() => range(6, 'z')).toThrowWithMessage(Error, throwMessage)})
test('curry', () => {  expect(range(0)(10)).toEqual([ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 ])})