public void UpdateTheLadder()
{
var priceSizes = new PriceSizesStub().WithPriceSize(1.01, 2.00);
_priceSizeLadder.Update(priceSizes, 0);
Assert.Equal(2.00, _priceSizeLadder.GetSizeForPrice(1.01), 2);
}
public void HandleNullSize()
{
var priceSizes = new PriceSizesStub()
.WithPriceSize(1.01, null);
_priceSizeLadder.Update(priceSizes, 0);
Assert.Equal(0, _priceSizeLadder.GetSizeForPrice(1.01));
}
public void HandleNullPrice()
{
var priceSizes = new PriceSizesStub()
.WithPriceSize(null, 10.99);
_priceSizeLadder.Update(priceSizes, 0);
Assert.Equal(0, _priceSizeLadder.GetSizeForPrice(0));
}
public void CalculateTotalSize(double price, double size)
{
var priceSizes = new PriceSizesStub()
.WithPriceSize(price, size)
.WithPriceSize(12, 20.78);
_priceSizeLadder.Update(priceSizes, 0);
var expected = size + 20.78;
Assert.Equal(expected, _priceSizeLadder.TotalSize());
}
public void WithMultiplePriceSizesUpdateTheLadderWithEach()
{
var priceSizes = new PriceSizesStub()
.WithPriceSize(1.01, 2.00)
.WithPriceSize(1.02, 5.00);
_priceSizeLadder.Update(priceSizes, 0);
Assert.Equal(2.00, _priceSizeLadder.GetSizeForPrice(1.01), 2);
Assert.Equal(5.00, _priceSizeLadder.GetSizeForPrice(1.02), 2);
}
public void CalculateTotalReturn(double price, double size)
{
var priceSizes = new PriceSizesStub()
.WithPriceSize(price, size)
.WithPriceSize(12, 20.78);
_priceSizeLadder.Update(priceSizes, 0);
var expected = Math.Round((price * size) - size, 2);
expected += Math.Round((12 * 20.78) - 20.78, 2);
Assert.Equal(expected, _priceSizeLadder.TotalReturn());
}
