Rebase

Tests/Statistics/SDEV_Test .cs

@@ -0,0 +1,33 @@
+using Xunit;
+using System;
+using QuanTAlib;
+
+namespace Statistics;
+public class SDEV_Test
+{
+	[Fact]
+	public void Add_Test()
+	{
+		TSeries a = new() { 0, 1, 2, 3, 4, 5 };
+		SDEV_Series c = new(a, 3);
+		Assert.Equal(6, c.Count);
+		a.Add(5);
+		Assert.Equal(a.Count, c.Count);
+		a.Add(0, update: true);
+		Assert.Equal(a.Count, c.Count);
+	}
+
+	[Fact]
+	public void Edge_Test()
+	{
+		TSeries a = new() { double.NaN, double.Epsilon, double.PositiveInfinity, double.MaxValue };
+		SDEV_Series c = new(a, 3);
+		Assert.Equal(a.Count, c.Count);
+		a.Add(double.NaN);
+		Assert.Equal(a.Count, c.Count);
+		a.Add(double.PositiveInfinity);
+		Assert.Equal(a.Count, c.Count);
+
+	}
+
+}