public void CanGenerateValidCreditorReferenceUsingInput(string reference, string expectedValue)
{
var creditorReference = CreditorReference.Create(reference);
Assert.True(CreditorReference.IsValid(creditorReference.ElectronicFormat));
Assert.Equal(expectedValue, creditorReference.ElectronicFormat);
}
public void FailsWhenReferencesAreInvalid()
{
Assert.Throws <ArgumentException>(() => CreditorReference.Create(null));
Assert.Throws <ArgumentException>(() => CreditorReference.Create("123456789", "123456789", "123456789"));
}