public void Creating_address_handles_invalid_input(string street, string city, string zipcode, string expected)
{
var result = AddressFP.CreateValidAddress(street, city, zipcode);
result.IsValid.Should().BeFalse();
result.ToString().Should().Be(expected);
}
public void Creating_address_works()
{
// Act
var addressFP = AddressFP.CreateValidAddress("742 Evergreen Terrace", "Springfield", "58008");
// Assert
addressFP.IsValid.Should().BeTrue();
addressFP.ToString().Should().Be("Valid(Street: 742 Evergreen Terrace; City: Springfield; Zipcode: 58008)");
}