moy-fp/test/Relation/lt.test.js

A functional programming library.

import __ from '../../src/Function/__'
/**
 * Ord a => a -> a -> Boolean
 */
import lt from '../../src/Relation/lt'

test('lt(not using __), return false', () => {
  expect(
    lt(1)(2)
  ).toBeFalsy()
})

test('lt(not using __), return true', () => {
  expect(
    lt(1)(0)
  ).toBeTruthy()
})

test('lt(using __), return false', () => {
  expect(
    lt(__, 2)(1)
  ).toBeFalsy()
})