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

A functional programming library.

import __ from '../../src/Function/__'
/**
 * [Number] -> Number
 */
import median from '../../src/Math/median'

test('median(not using __), not empty array and odd array length', () => {
  expect(
    median([1, 3, 5, 4, 7])
  ).toBe(4)
})

test('median(not using __), not empty array and even array length', () => {
  expect(
    median([1, 7, 4, 6, 2, 4, 5, 8])
  ).toBe(4.5)
})

test('median(not using __), empty array', () => {
  expect(
    median([])
  ).toBe(NaN)
})

test('median(using __), not empty array and odd array length', () => {
  expect(
    median(__)([1, 3, 5, 4, 7])
  ).toBe(4)
})