import { describe, expect, it } from "@jest/globals"
import { max } from "./max.js"

describe("max", () => {
  it("returns the maximum", () => {
    expect(max([2, 3, 1])).toEqual(3)
    expect(max([{ a: 2 }, { a: 3 }, { a: 1 }], (object) => object.a)).toEqual({
      a: 3,
    })
    expect(max([])).toEqual(null)
  })
})