public void GetWorkPermit_Valid()
{
var result = Ex3.GetWorkPermit(_employees, "Nathan");
var permit = result.Match(
() => new WorkPermit(),
(x) => x);
Assert.AreEqual(new DateTime(2080, 1, 1), permit.Expiry);
}
public void GetWorkPermit_Expired()
{
var result = Ex3.GetWorkPermit(_employees, "Tom");
Assert.AreEqual(None, result);
}