moy-fp/test/Logic/not.test.js

A functional programming library.

import __ from '../../src/Function/__'
/**
 * * -> Boolean
 */
import not from '../../src/Logic/not'

test('not(not using __), return true', () => {
  expect(
    not('')
  ).toBeTruthy()
})

test('not(not using __), return false', () => {
  expect(
    not('murakami')
  ).toBeFalsy()
})

test('not(using __), return true', () => {
  expect(
    not(__)('')
  ).toBeTruthy()
})