public void TwoPrices()
{
// arrange
var p = new InMemoryPriceReader();
var c = new CandleStickReader(timeframe: 15, priceReader: p);
int count = 0;
CandleStickItem item = null;
var dt1 = new DateTime(2017, 5, 5, 10, 1, 0);
var dt2 = new DateTime(2017, 5, 5, 10, 2, 0);
p.AddSeedPrice(dt1, 12m, 0m, 0m);
p.AddSeedPrice(dt2, 14m, 0m, 0m);
c.NewCandleStick += (sender, e) =>
{
count++;
item = e.CandleStick;
};
// a
c.Start();
// a
Assert.Equal(1, count);
Assert.Equal(12m, item.Low);
Assert.Equal(12m, item.Open);
Assert.Equal(14m, item.High);
Assert.Equal(14m, item.Close);
Assert.Equal(CandleStickColor.Green,
item.Color);
}
public CandleStickDemo()
: base("Demonstration of the Candlestick Chart Type",
"CandleStick Demo", DemoType.Bar)
{
GraphPane myPane = base.GraphPane;
myPane.Title.Text = "Candlestick Chart Demo";
myPane.XAxis.Title.Text = "Trading Date";
myPane.YAxis.Title.Text = "Share Price, $US";
StockPointList spl = new StockPointList();
Random rand = new Random();
// First day is jan 1st
XDate xDate = new XDate(2006, 1, 1);
double open = 50.0;
for (int i = 0; i < 50; i++)
{
double x = xDate.XLDate;
double close = open + rand.NextDouble() * 10.0 - 5.0;
double hi = Math.Max(open, close) + rand.NextDouble() * 5.0;
double low = Math.Min(open, close) - rand.NextDouble() * 5.0;
StockPt pt = new StockPt(x, hi, low, open, close, 100000);
spl.Add(pt);
open = close;
// Advance one day
xDate.AddDays(1.0);
// but skip the weekends
if (XDate.XLDateToDayOfWeek(xDate.XLDate) == 6)
{
xDate.AddDays(2.0);
}
}
CandleStickItem myCurve = myPane.AddCandleStick("trades", spl, Color.Black);
myCurve.Stick.IsAutoSize = true;
myCurve.Stick.Color = Color.Blue;
// Use DateAsOrdinal to skip weekend gaps
myPane.XAxis.Type = AxisType.DateAsOrdinal;
myPane.XAxis.Scale.Min = new XDate(2006, 1, 1);
// pretty it up a little
myPane.Chart.Fill = new Fill(Color.White, Color.LightGoldenrodYellow, 45.0f);
myPane.Fill = new Fill(Color.White, Color.FromArgb(220, 220, 255), 45.0f);
base.ZedGraphControl.AxisChange();
}
public void SinglePrice_OneCandleStick()
{
// arrange
var p = new InMemoryPriceReader();
var c = new CandleStickReader(timeframe: 15, priceReader: p);
int count = 0;
CandleStickItem item = null;
p.AddSeedPrice(12m);
c.NewCandleStick += (sender, e) => {
count++;
item = e.CandleStick;
};
c.Start();
Assert.Equal(1, count);
Assert.Equal(12m, item.Open);
Assert.Equal(12m, item.High);
Assert.Equal(12m, item.Close);
Assert.Equal(12m, item.Low);
Assert.Equal(CandleStickColor.Green, item.Color);
}
