public StocksViewModel()
 {
     var stocks =  YahooGetter.GetAllStockList();
     _stocks = new ObservableCollection<Stock>();
     foreach ( var stock in stocks.OrderBy(x => x.Symbol))
     {
         _stocks.Add(stock);
     }
     _stockViewModel = new StockViewModel();
 }
 public void GetStockInfoFromYahooShouldReturnCorrectValue()
 {
     var stock = new Stock()
     {
         Symbol = "AAPL"
     };
     var stockViewModel = new StockViewModel()
     {
         Stock = stock
     };
     YahooGetter.ListAllStock.YahooGetter.GetStockInfoFromYahoo(stockViewModel);
     Assert.IsTrue(!Double.IsNaN(stockViewModel.LastTradePrice)
         && stockViewModel.LastTradePrice != 0.0);
 }