public void CompleteAddressTest()
{
// Save the address into the database...
postcode.Save();
city.Save();
state.Save();
country.Save();
// After saving, their ID must not be the default ID
Assert.IsTrue(postcode.Valid);
Assert.IsTrue(city.Valid);
Assert.IsTrue(state.Valid);
Assert.IsTrue(country.Valid);
// Create a duplicate...
// When we load the postcode data, the relevant city, state and country data should be automatically loaded.
PostalCode newPostcode = AddressManager.GetPostcode(postcode.Id);
City newCity = AddressManager.GetCity(city.Id);
State newState = AddressManager.GetState(state.Id);
Country newCountry = AddressManager.GetCountry(country.Id);
// Check if the data is valid
Assert.IsNotNull(newCity);
Assert.IsNotNull(newState);
Assert.IsNotNull(newCountry);
// After loading, the duplicates' data should match the originals'
Assert.AreEqual(postcode.Id, newPostcode.Id);
Assert.AreEqual(city.Id, newCity.Id);
Assert.AreEqual(state.Id, newState.Id);
Assert.AreEqual(country.Id, newCountry.Id);
Assert.AreEqual(postcode.Postcode, newPostcode.Postcode);
Assert.AreEqual(city.Name, newCity.Name);
Assert.AreEqual(state.Name, newState.Name);
Assert.AreEqual(country.Name, newCountry.Name);
Assert.AreEqual(postcode.City.Id, newPostcode.City.Id);
Assert.AreEqual(postcode.State.Id, newPostcode.State.Id);
Assert.AreEqual(postcode.Country.Id, newPostcode.Country.Id);
}