public void BookingCollectionGetClientBookingsReturnsEmptyList()
        {
            BookingCollection testCollection = new BookingCollection();

            Date   mockDate  = Substitute.For <Date>(12, 9, 2019);
            Time   mockTime  = Substitute.For <Time>(12, 54);
            IVenue mockVenue = Substitute.For <IVenue>();

            Client client1 = new Client("123", "CompanyName1", "CompanyAddress1");
            Client client2 = new Client("456", "CompanyName2", "CompanyAddress2");

            Booking booking1 = new Booking("1", BookingType.FACILITATED,
                                           client1, mockDate, mockTime, mockVenue);
            Booking booking2 = new Booking("2", BookingType.FACILITATED,
                                           client1, mockDate, mockTime, mockVenue);

            testCollection.Add(booking1);
            testCollection.Add(booking2);

            Assert.AreEqual(0, testCollection.GetClientBookings(client2).Count);
            Assert.IsInstanceOfType(testCollection.GetClientBookings(client1), typeof(BookingCollection));
        }
 public void GetAllClientBookings(int clientIndex)
 {
     currentClientIndex = clientIndex;
     screen.SetBookings(bookings.GetClientBookings(clients[clientIndex]).GetStrings());
     screen.EnableSelectBookingButton();
 }