import { test } from "node:test"
import ty from "../index.js"

test("undefined", () => {
  const schema = ty.undefined()
  const data: undefined = schema.validate(undefined)
  schema.expectInvalid("undefined")
  schema.expectInvalid("")
  schema.expectInvalid([])
  schema.expectInvalid({})
  schema.expectInvalid(null)
  schema.expectInvalid(0)
  schema.expectInvalid(false)
})