public void GetTotalCost()
{
var quantity = 10m;
var price = 5m;
var resource = new ResourcePool <Resource>(0)
{
Quantity = quantity,
CostPrice = price
};
var totalCostExpected = quantity * price;
var totalCostActual = resource.GetTotalCost();
Assert.Equal(totalCostExpected, totalCostActual);
}
public void RemoveResource <T>(ResourcePool <T> resource, decimal quantity) where T : class
{
if (resource.Quantity < quantity)
{
throw new ArgumentOutOfRangeException("quantity", $"More than {resource.Quantity}");
}
if (resource.Quantity == quantity)
{
resource.Quantity = 0;
resource.CostPrice = 0;
resource.TotalCost = 0;
return;
}
resource.Quantity -= quantity;
resource.TotalCost -= resource.GetTotalCost();
}
public void AddResource <T>(ResourcePool <T> resource, decimal quantity, decimal price) where T : class
{
resource.Quantity += quantity;
resource.TotalCost = resource.GetTotalCost() + quantity * price;
resource.CostPrice = resource.TotalCost / resource.Quantity;
}