public void ValidCNPJShouldSplitTest(string value)
{
string number = CNPJ.GetNumberFrom(value);
string digit = CNPJ.GetCheckNumberFrom(value);
var cnpj = new CNPJ(number + digit);
Assert.That(cnpj == value);
Assert.That(cnpj.Number, Is.EqualTo(number));
Assert.That(cnpj.CheckNumber, Is.EqualTo(digit));
}