public void Building_Gives_Correct_Area_If_Apartment_Exists()
{
var targetApartment = new ChargeApartment {
ApartmentId = 2, Area = 120
};
var building = new ChargeBuilding
{
BuildingId = 1,
Apartments = new List <ChargeApartment>
{
new ChargeApartment {
ApartmentId = 1, Area = 100
},
new ChargeApartment {
ApartmentId = 2, Area = 120
},
new ChargeApartment {
ApartmentId = 1, Area = 300
},
}
};
decimal area = -1;
Console.WriteLine(area);
Assert.DoesNotThrow(() => area = building.GetApartmentArea(targetApartment.ApartmentId));
Console.WriteLine(targetApartment.Area);
Assert.AreEqual(area, targetApartment.Area);
}
public void Building_Throws_Exception_If_Request_For_Not_Existed_Apartment_Area()
{
var building = new ChargeBuilding
{
BuildingId = 1,
Apartments = new List <ChargeApartment>
{
new ChargeApartment {
ApartmentId = 1, Area = 100
},
new ChargeApartment {
ApartmentId = 1, Area = 120
},
new ChargeApartment {
ApartmentId = 1, Area = 300
},
}
};
Assert.Throws <ArgumentNullException>(() => building.GetApartmentArea(5));
}
public void Building_Can_Calculate_Total_Area()
{
var building = new ChargeBuilding
{
BuildingId = 1,
Apartments = new List <ChargeApartment>
{
new ChargeApartment {
ApartmentId = 1, Area = 100
},
new ChargeApartment {
ApartmentId = 1, Area = 120
},
new ChargeApartment {
ApartmentId = 1, Area = 300
},
}
};
var totalArea = building.Area;
Assert.AreEqual(building.Apartments.Sum(a => a.Area), totalArea);
}