public void Predecessor_ValidInput_ReturnsCorrectPostalCode(string postalCode, string postalCodePredecessor)
{
var code = new DZPostalCode(postalCode);
var codePredecessor = new DZPostalCode(postalCodePredecessor);
Assert.AreEqual(codePredecessor, code.Predecessor);
Assert.AreEqual(codePredecessor.ToString(), code.Predecessor.ToString());
Assert.AreEqual(codePredecessor.ToHumanReadableString(), code.Predecessor.ToHumanReadableString());
}
public void Successor_ValidInput_ReturnsCorrectPostalCode(string postalCode, string postalCodeSuccessor)
{
var code = new DZPostalCode(postalCode);
var codeSuccessor = new DZPostalCode(postalCodeSuccessor);
Assert.AreEqual(codeSuccessor, code.Successor);
Assert.AreEqual(codeSuccessor.ToString(), code.Successor.ToString());
Assert.AreEqual(codeSuccessor.ToHumanReadableString(), code.Successor.ToHumanReadableString());
}