public void ExampleShouldWork()
{
using (StringWriter sw = new StringWriter())
{
TextWriter stdout = Console.Out;
Console.SetOut(sw);
LicensePlate li1 = new LicensePlate("FI", "ABC-123");
LicensePlate li2 = new LicensePlate("FI", "UXE-465");
LicensePlate li3 = new LicensePlate("D", "B WQ-431");
LicensePlate li4 = new LicensePlate("D", "B WQ-432");
LicensePlate li5 = new LicensePlate("D", "B WQ-433");
VehicleRegistry register = new VehicleRegistry();
register.Add(li1, "Arto");
register.Add(li2, "Arto");
register.Add(li3, "Jürgen");
register.Add(li4, "Jürgen");
register.Add(li5, "Jürgen");
Console.WriteLine("Plates:");
register.PrintLicensePlates();
Console.WriteLine("Owners:");
register.PrintOwners();
Console.SetOut(stdout);
string example = "Plates:\nFI ABC-123\nFI UXE-465\nD B WQ-431\nD B WQ-432\nD B WQ-433\nOwners:\nArto\nJürgen\n";
Assert.AreEqual(example, sw.ToString().Replace("\r\n", "\n"), "The example should work!");
}
}
