public void AddBuilding_TwoBuildings()
{
// Arrange
Building b1 = new Building {
BuildingId = 1000, Name = "BLD001"
};
Building b2 = new Building {
BuildingId = 2000, Name = "BLD002"
};
BuildingRepository buildingRepo = new BuildingRepository();
// Act
buildingRepo.AddBuilding(b1);
buildingRepo.AddBuilding(b2);
Building[] buildings = buildingRepo.GetBuildings().ToArray();
// Assert
Assert.AreEqual(22, buildings.Length);
Assert.AreEqual(b1, buildings[20]);
Assert.AreEqual(b2, buildings[21]);
}