public void Should_retrieve_value_by_id()
{
TestEnumeration.GetById("1")
.ShouldBe(TestEnumeration.One);
}
public void Should_return_null_when_searching_by_nonexistent_id()
{
TestEnumeration.GetById("foo")
.ShouldBeNull();
}
public void Should_retrive_value_with_null_id()
{
TestEnumeration.GetById(null)
.ShouldBe(TestEnumeration.Null);
}