moy-fp/test/String/toUpper.test.js

A functional programming library.

import __ from '../../src/Function/__'
/**
 * String -> String
 */
import toUpper from '../../src/String/toUpper'

test('toUpper(not using __)', () => {
  expect(
    toUpper('murakami')
  ).toBe('MURAKAMI')
})

test('toUpper(using __)', () => {
  expect(
    toUpper(__)('murakami')
  ).toBe('MURAKAMI')
})