moy-fp/test/Math/mod.test.js

A functional programming library.

import __ from '../../src/Function/__'
/**
 * Number -> Number -> Number
 * positive and negative is determined by the divisor
 */
import mod from '../../src/Math/mod'

test('mod(not using __), positive number', () => {
  expect(
    mod(2)(13)
  ).toBe(1)
})

test('mod(not using __), negative number', () => {
  expect(
    mod(-2)(-13)
  ).toBe(-1)
})

test('mod(not using __), negative number', () => {
  expect(
    mod(-2)(13)
  ).toBe(1)
})

test('mod(not using __), negative number', () => {
  expect(
    mod(2)(-13)
  ).toBe(-1)
})

test('mod(using __), positive number', () => {
  expect(
    mod(__, 13)(2)
  ).toBe(1)
})