public void TestLongAddPrice()
{
var inventory = new InventoryGroupDefault(symbol);
inventory.Change(10, 1000);
Assert.AreEqual(inventory.BreakEven, 10);
inventory.Change(9, 666);
Assert.AreEqual(Math.Round(inventory.BreakEven, 2), 9.6);
var howManyToAdd = 740;
var priceToAdd = inventory.PriceToChange(howManyToAdd, inventory.BreakEven);
Assert.AreEqual(7, Math.Round(priceToAdd));
inventory.Change(7, howManyToAdd);
Assert.AreEqual(Math.Round(inventory.BreakEven, 2), 8.8);
}
public void TestShortAddPrice()
{
var inventory = new InventoryGroupDefault(symbol);
inventory.Change(10, -1000);
Assert.AreEqual(inventory.BreakEven, 10);
inventory.Change(11, -666);
Assert.AreEqual(Math.Round(inventory.BreakEven, 2), 10.4);
var howManyToAdd = -740;
var priceToAdd = inventory.PriceToChange(howManyToAdd, inventory.BreakEven);
Assert.AreEqual(13, Math.Round(priceToAdd));
inventory.Change(13, howManyToAdd);
Assert.AreEqual(Math.Round(inventory.BreakEven, 2), 11.2);
}
