From 2264b4d7fdb0e591aaf19e1697e0d4a72071bc56 Mon Sep 17 00:00:00 2001
From: wo80 <christian.woltering@tu-dortmund.de>
Date: Thu, 17 Feb 2022 11:29:36 +0100
Subject: [PATCH] Add more tests (2).

---
 .../Meshing/Algorithm/TriangulatorTest.cs     | 72 +++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 src/Triangle.Tests/Meshing/Algorithm/TriangulatorTest.cs

diff --git a/src/Triangle.Tests/Meshing/Algorithm/TriangulatorTest.cs b/src/Triangle.Tests/Meshing/Algorithm/TriangulatorTest.cs
new file mode 100644
index 0000000..fa7f762
--- /dev/null
+++ b/src/Triangle.Tests/Meshing/Algorithm/TriangulatorTest.cs
@@ -0,0 +1,72 @@
+using NUnit.Framework;
+using System.Collections.Generic;
+using System.Linq;
+using TriangleNet.Geometry;
+using TriangleNet.Meshing.Algorithm;
+
+namespace TriangleNet.Tests.Meshing.Algorithm
+{
+    public class TriangulatorTest
+    {
+        [Test]
+        public void TestTriangulateIncremental()
+        {
+            var t = new Incremental();
+
+            var vertices = GetVertices();
+
+            var mesh = t.Triangulate(vertices, new Configuration());
+
+            Assert.AreEqual(6, vertices.Count);
+            Assert.AreEqual(6, mesh.Vertices.Count);
+            Assert.AreEqual(1, mesh.Vertices
+                .Where(v => v.Type == VertexType.UndeadVertex)
+                .Count());
+        }
+
+        [Test]
+        public void TestTriangulateSweepLine()
+        {
+            var t = new SweepLine();
+
+            var vertices = GetVertices();
+
+            var mesh = t.Triangulate(vertices, new Configuration());
+
+            Assert.AreEqual(6, vertices.Count);
+            Assert.AreEqual(6, mesh.Vertices.Count);
+            Assert.AreEqual(1, mesh.Vertices
+                .Where(v => v.Type == VertexType.UndeadVertex)
+                .Count());
+        }
+
+        [Test]
+        public void TestTriangulateDwyer()
+        {
+            var t = new Dwyer();
+
+            var vertices = GetVertices();
+
+            var mesh = t.Triangulate(vertices, new Configuration());
+
+            Assert.AreEqual(6, vertices.Count);
+            Assert.AreEqual(6, mesh.Vertices.Count);
+            Assert.AreEqual(1, mesh.Vertices
+                .Where(v => v.Type == VertexType.UndeadVertex)
+                .Count());
+        }
+
+        private List<Vertex> GetVertices()
+        {
+            return new List<Vertex>()
+            {
+                new Vertex(0.0, 0.0),
+                new Vertex(1.0, 0.0),
+                new Vertex(1.0, 1.0),
+                new Vertex(1.0, 1.0), // duplicate
+                new Vertex(0.0, 1.0),
+                new Vertex(0.5, 0.5)
+            };
+        }
+    }
+}