From 0709cdf9e1dc45a5e8f7553ea177f9a71d2951e7 Mon Sep 17 00:00:00 2001
From: wo80 <christian.woltering@tu-dortmund.de>
Date: Tue, 19 Jul 2022 13:14:36 +0200
Subject: [PATCH] Add QualityMeasure test.

---
 src/Triangle.Tests/Tools/InterpolationTest.cs |  1 -
 .../Tools/QualityMeasureTest.cs               | 36 +++++++++++++++++++
 2 files changed, 36 insertions(+), 1 deletion(-)
 create mode 100644 src/Triangle.Tests/Tools/QualityMeasureTest.cs

diff --git a/src/Triangle.Tests/Tools/InterpolationTest.cs b/src/Triangle.Tests/Tools/InterpolationTest.cs
index 6a3b7ea..dbd6a76 100644
--- a/src/Triangle.Tests/Tools/InterpolationTest.cs
+++ b/src/Triangle.Tests/Tools/InterpolationTest.cs
@@ -12,7 +12,6 @@ namespace TriangleNet.Tests.Tools
         [Test, DefaultFloatingPointTolerance(1e-8)]
         public void TestInterpolatePoint()
         {
-
             var vertices = new List<Vertex>()
             {
                 new Vertex(0.0, 0.0) { ID = 0 },
diff --git a/src/Triangle.Tests/Tools/QualityMeasureTest.cs b/src/Triangle.Tests/Tools/QualityMeasureTest.cs
new file mode 100644
index 0000000..02ee013
--- /dev/null
+++ b/src/Triangle.Tests/Tools/QualityMeasureTest.cs
@@ -0,0 +1,36 @@
+using NUnit.Framework;
+using System;
+using System.Collections.Generic;
+using TriangleNet.Geometry;
+using TriangleNet.Meshing.Algorithm;
+using TriangleNet.Tools;
+
+namespace TriangleNet.Tests.Tools
+{
+    public class QualityMeasureTest
+    {
+        [Test]
+        public void TestEquilateralTriangles()
+        {
+            double sqrt3 = Math.Sqrt(3);
+
+            var vertices = new List<Vertex>()
+            {
+                new Vertex(0.0, 0.0) { ID = 0 },
+                new Vertex(1.0, sqrt3) { ID = 1 },
+                new Vertex(2.0, 0.0) { ID = 2 },
+                new Vertex(3.0, sqrt3) { ID = 3 }
+            };
+
+            var mesh = new Dwyer().Triangulate(vertices, new Configuration());
+
+            var quality = new QualityMeasure(mesh);
+
+            Assert.AreEqual(quality.AreaMinimum, quality.AreaMaximum);
+            Assert.AreEqual(1.0, quality.AlphaMinimum);
+            Assert.AreEqual(1.0, quality.AlphaMaximum);
+            Assert.AreEqual(1.0, quality.Q_Minimum);
+            Assert.AreEqual(1.0, quality.Q_Maximum);
+        }
+    }
+}