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

A functional programming library.

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

test('min(not using __), return first', () => {
  expect(
    min(2)(3)
  ).toBe(2)
})

test('min(not using __), return second', () => {
  expect(
    min(2)(1)
  ).toBe(1)
})

test('min(using __), return first', () => {
  expect(
    min(__, 3)(2)
  ).toBe(2)
})