moy-fp/test/Logic/and.test.js

A functional programming library.

import __ from '../../src/Function/__'
/**
 * b -> a -> a | b
 */
import and from '../../src/Logic/and'

test('and(not using __), return a', () => {
  expect(
    and(2)(0)
  ).toBe(0)
})

test('and(not using __), return b', () => {
  expect(
    and(0)(2)
  ).toBe(0)
})

test('and(using __), return a', () => {
  expect(
    and(__, 0)(2)
  ).toBe(0)
})