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

A functional programming library.

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

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

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

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

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