added Algorithms/SierpinskiTriangle.cs

Algorithms.Tests/TriangleTest.cs

@@ -0,0 +1,34 @@
+namespace Algorithms.Tests;
+using Algorithms;
+
+[TestClass]
+public class TriangleTest
+{
+    [TestMethod]
+    public void TestEquilateral()
+    {
+        Triangle triangle = Triangle.Equilateral(10);
+        Assert.AreEqual(10, triangle.Vertex1.Distance(triangle.Vertex2), 0.001);
+        Assert.AreEqual(10, triangle.Vertex2.Distance(triangle.Vertex3), 0.001);
+        Assert.AreEqual(10, triangle.Vertex3.Distance(triangle.Vertex1), 0.001);
+    }
+
+    [TestMethod]
+    public void TestGetVertexById(){
+        Triangle triangle = Triangle.Equilateral(10);
+        Assert.AreEqual(triangle.Vertex1, triangle.GetVertexById(0));
+        Assert.AreEqual(triangle.Vertex2, triangle.GetVertexById(1));
+        Assert.AreEqual(triangle.Vertex3, triangle.GetVertexById(2));
+
+    }
+
+    [TestMethod]
+    public void TestRandomSummit(){
+        Triangle triangle = Triangle.Equilateral(10);
+        Random random = new Random(666);
+
+        Assert.AreEqual(triangle.Vertex2, triangle.RandomSummit(random));
+        Assert.AreEqual(triangle.Vertex1, triangle.RandomSummit(random));
+    }
+    
+}