public static void Main(string[] args)
{
House house = new House { Name="house"};
Display(house);
//UpCasting
Stock msft = new Stock();
Asset a = msft;
if (a == msft)
Console.WriteLine("Identical");
Console.WriteLine(a.Name);
//Console.WriteLine(a.SharesOwned); //Error
//downcasting and as operator
Asset asset = new Asset();
//Stock stock = (Stock)asset; // this will fail at runtime
Stock stock = asset as Stock; // this will not fail but return null and will not give actual casting error
if (stock != null)
Console.WriteLine(stock);
else
Console.WriteLine("stock object is null");
//is operator
if (asset is Stock)
Console.WriteLine("a is stock");
else
Console.WriteLine("a is not stock");
//virtual
Console.Read();
}
public List<Stock> SelectGold13Fork34()
{
var ret = new List<Stock>();
foreach (var sinfo in stockInfos)
{
var aStock = new Stock(sinfo);
//取出5点
var MA13s = aStock.MAForDay(13);
var MA34s = aStock.MAForDay(34);
//1点
var ma13 = MA13s.FirstOrDefault();
var ma34 = MA34s.FirstOrDefault();
//2点
var ma13_1 = MA13s.Skip(1).FirstOrDefault();
var ma34_1 = MA34s.Skip(1).FirstOrDefault();
if (ma13_1 < ma34_1 && ma13 > ma34)
ret.Add(aStock);
}
return ret;
}
public List<Stock> SelectGold5Fork40()
{
var ret = new List<Stock>();
foreach (var sinfo in stockInfos)
{
var aStock = new Stock(sinfo);
//取出5点
var MA5s = aStock.MAForWeek(5);
var MA40s = aStock.MAForWeek(40);
//1点
var ma5 = MA5s.FirstOrDefault();
var ma40 = MA40s.FirstOrDefault();
//2点
var ma5_1 = MA5s.Skip(1).FirstOrDefault();
var ma40_1 = MA40s.Skip(1).FirstOrDefault();
if (ma5_1 < ma40_1 && ma5 > ma40)
ret.Add(aStock);
}
return ret;
}
public void GetMA5()
{
var aStock = new Stock(stock603969);
var val = aStock.MAForDay(5);
Assert.AreEqual(12.84m, Math.Round(val[0], 2));
Assert.AreEqual(12.68M, Math.Round(val[1], 2));
Assert.AreEqual(12.42m, Math.Round(val[2], 2));
}
public void GetRealTimeStockTest()
{
var aStock = new Stock(stock603969);
var da = aStock.GetRealTimeInfo();
Assert.IsNotNull(da);
Assert.AreEqual(stock603969.Symbol, da.symbol);
Assert.AreEqual(StockType.SH.ToString(), da.type);
}
public void GetMA5ForWeek()
{
var aStock = new Stock(stock603969);
var val = aStock.MAForWeek(5);
Assert.AreEqual(13.77m, Math.Round(val[0], 2));
Assert.AreEqual(15.13M, Math.Round(val[1], 2));
Assert.AreEqual(16.45m, Math.Round(val[2], 2));
Assert.AreEqual(17.34m, Math.Round(val[3], 2));
}
public void GetMA181()
{
var aStock = new Stock(stock603969);
var val = aStock.MAForDay(181);
Assert.AreEqual(19.73m, Math.Round(val[0], 2));
}
public void GetMA20()
{
var aStock = new Stock(stock603969);
var val = aStock.MAForDay(20);
Assert.AreEqual(13.36m, Math.Round(val[0], 2));
}
public void GetMa20ForWeek()
{
var aStock = new Stock(stock603969);
var val = aStock.MAForWeek(19);
Assert.AreEqual(16.56M, Math.Round(val[0], 2));
}
public void GetMa40ForWeek()
{
var aStock = new Stock(stock603969);
var val = aStock.MAForWeek(40);
Assert.AreEqual(19.84M, Math.Round(val[0], 2));
Assert.AreEqual(20.36M, Math.Round(val[1], 2));
Assert.AreEqual(20.90M, Math.Round(val[2], 2));
Assert.AreEqual(21.46M, Math.Round(val[3], 2));
Assert.AreEqual(21.91M, Math.Round(val[4], 2));
}
public List<Stock> SelectAbove181()
{
var ret = new List<Stock>();
foreach (var info in stockInfos)
{
var aStock = new Stock(info);
// 181's line
var ma181s = aStock.MAForDay(181);
var ma181 = ma181s.FirstOrDefault();
var T = aStock.GetRealTimeInfo();
var p = 0M;
decimal.TryParse(T.price, out p);
if (ma181 > 0 && p > ma181)
ret.Add(aStock);
}
return ret;
}
public static void Main(string[] args)
{
Stock stock = new Stock { Name = "hdfc", SharesOwned = 100 };
House house = new House { Name = "bac", Mortgage = 100};
Overrider overrider = new Overrider();
BaseClass b = overrider;
b.Foo();
overrider.Foo();
Hider hider = new Hider();
BaseClass b2 = hider;
hider.Foo();
b2.Foo();
Console.Read();
}
