public void Test_GetIndexValue_AfterDelistingStock()
{
// Provjera izračuna vrijednosti portfelja nakon brisanja dionice s burze
string dionica1 = "Dionica1";
_stockExchange.ListStock(dionica1, 100, 10m, DateTime.Now);
string dionica2 = "Dionica2";
_stockExchange.ListStock(dionica2, 100, 20m, DateTime.Now);
string portfelj1 = "portfelj1";
_stockExchange.CreatePortfolio(portfelj1);
_stockExchange.AddStockToPortfolio(portfelj1, dionica1, 10);
_stockExchange.AddStockToPortfolio(portfelj1, dionica2, 10);
Assert.AreEqual(300, _stockExchange.GetPortfolioValue(portfelj1, DateTime.Now));
_stockExchange.DelistStock(dionica1);
Assert.AreEqual(200, _stockExchange.GetPortfolioValue(portfelj1, DateTime.Now));
}