From 3aeb211d7bbba2c4d9ab11da7a18650a981a5d71 Mon Sep 17 00:00:00 2001
From: Michael Krisper <michael.krisper@gmail.com>
Date: Wed, 25 Mar 2015 16:11:54 +0100
Subject: [PATCH] Tests for DelauneyMap
---
VectoCoreTest/Utils/DelauneyMapTest.cs | 159 ++++++++++++++++++++++++-
1 file changed, 157 insertions(+), 2 deletions(-)
diff --git a/VectoCoreTest/Utils/DelauneyMapTest.cs b/VectoCoreTest/Utils/DelauneyMapTest.cs
index 5ccaa0011a..a5d6fcca60 100644
--- a/VectoCoreTest/Utils/DelauneyMapTest.cs
+++ b/VectoCoreTest/Utils/DelauneyMapTest.cs
@@ -1,4 +1,9 @@
-using Microsoft.VisualStudio.TestTools.UnitTesting;
+using System;
+using System.Linq.Expressions;
+using System.Runtime.CompilerServices;
+using System.Xml.Schema;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using TUGraz.VectoCore.Exceptions;
using TUGraz.VectoCore.Utils;
namespace TUGraz.VectoCore.Tests.Utils
@@ -6,11 +11,161 @@ namespace TUGraz.VectoCore.Tests.Utils
[TestClass]
public class DelauneyMapTest
{
+ public static void AssertException<T>(Action func, string message) where T : Exception
+ {
+ try
+ {
+ func();
+ Assert.Fail();
+ }
+ catch (T ex)
+ {
+ Assert.AreEqual(message, ex.Message);
+ }
+ }
+
+ [TestMethod]
+ public void Test_Simple_DelauneyMap()
+ {
+ var map = new DelauneyMap();
+ map.AddPoint(0, 0, 0);
+ map.AddPoint(1, 0, 0);
+ map.AddPoint(0, 1, 0);
+
+ map.Triangulate();
+
+ var result = map.Interpolate(0.25, 0.25);
+
+ Assert.AreEqual(0, result);
+ }
+
[TestMethod]
- public void Test_NewDelauneyMap()
+ public void Test_DelauneyMapTriangle()
{
var map = new DelauneyMap();
+ map.AddPoint(0, 0, 0);
+ map.AddPoint(1, 0, 1);
+ map.AddPoint(0, 1, 2);
+
+ map.Triangulate();
+
+ // fixed points
+ Assert.AreEqual(0, map.Interpolate(0, 0));
+ Assert.AreEqual(1, map.Interpolate(1, 0));
+ Assert.AreEqual(2, map.Interpolate(0, 1));
+
+ // interpolations
+ Assert.AreEqual(0.5, map.Interpolate(0.5, 0));
+ Assert.AreEqual(1, map.Interpolate(0, 0.5));
+ Assert.AreEqual(1.5, map.Interpolate(0.5, 0.5));
+
+ Assert.AreEqual(0.25, map.Interpolate(0.25, 0));
+ Assert.AreEqual(0.5, map.Interpolate(0, 0.25));
+ Assert.AreEqual(0.75, map.Interpolate(0.25, 0.25));
+
+ Assert.AreEqual(0.75, map.Interpolate(0.75, 0));
+ Assert.AreEqual(1.5, map.Interpolate(0, 0.75));
+
+ // extrapolation (should fail)
+ AssertException<VectoException>(() => map.Interpolate(1, 1), "Interpolation failed.");
+ AssertException<VectoException>(() => map.Interpolate(-1, -1), "Interpolation failed.");
+ AssertException<VectoException>(() => map.Interpolate(1, -1), "Interpolation failed.");
+ AssertException<VectoException>(() => map.Interpolate(-1, 1), "Interpolation failed.");
}
+
+
+ public void Test_DelauneyMapPlane()
+ {
+ var map = new DelauneyMap();
+ map.AddPoint(0, 0, 0);
+ map.AddPoint(1, 0, 1);
+ map.AddPoint(0, 1, 2);
+ map.AddPoint(1, 1, 3);
+
+ map.Triangulate();
+
+ // fixed points
+ Assert.AreEqual(0, map.Interpolate(0, 0));
+ Assert.AreEqual(1, map.Interpolate(1, 0));
+ Assert.AreEqual(2, map.Interpolate(0, 1));
+ Assert.AreEqual(3, map.Interpolate(1, 1));
+
+ // interpolations
+ Assert.AreEqual(0.5, map.Interpolate(0.5, 0));
+ Assert.AreEqual(1, map.Interpolate(0, 0.5));
+ Assert.AreEqual(2, map.Interpolate(1, 0.5));
+ Assert.AreEqual(2.5, map.Interpolate(0.5, 1));
+
+ Assert.AreEqual(1.5, map.Interpolate(0.5, 0.5));
+
+ Assert.AreEqual(0.75, map.Interpolate(0.25, 0.25));
+ Assert.AreEqual(2.25, map.Interpolate(0.75, 0.75));
+
+ Assert.AreEqual(1.75, map.Interpolate(0.25, 0.75));
+ Assert.AreEqual(1.25, map.Interpolate(0.75, 0.25));
+
+ // extrapolation (should fail)
+ AssertException<VectoException>(() => map.Interpolate(1.5, 0.5), "Interpolation failed.");
+ AssertException<VectoException>(() => map.Interpolate(1.5, 1.5), "Interpolation failed.");
+ AssertException<VectoException>(() => map.Interpolate(0.5, 1.5), "Interpolation failed.");
+ AssertException<VectoException>(() => map.Interpolate(-0.5, 1.5), "Interpolation failed.");
+ AssertException<VectoException>(() => map.Interpolate(-0.5, 0.5), "Interpolation failed.");
+ AssertException<VectoException>(() => map.Interpolate(-1.5, -1.5), "Interpolation failed.");
+ AssertException<VectoException>(() => map.Interpolate(0.5, -0.5), "Interpolation failed.");
+ AssertException<VectoException>(() => map.Interpolate(-1.5, -0.5), "Interpolation failed.");
+ }
+
+ [TestMethod]
+ public void Test_Delauney_LessThan3Points()
+ {
+ DelauneyMap map;
+ try
+ {
+ map = new DelauneyMap();
+ map.Triangulate();
+ Assert.Fail();
+ }
+ catch (ArgumentException ex)
+ {
+ Assert.AreEqual("Triangulations needs at least 3 Points. Got 0 Points.", ex.Message);
+ }
+ try
+ {
+ map = new DelauneyMap();
+ map.AddPoint(0, 0, 0);
+ map.Triangulate();
+ Assert.Fail();
+ }
+ catch (ArgumentException ex)
+ {
+ Assert.AreEqual("Triangulations needs at least 3 Points. Got 1 Points.", ex.Message);
+ }
+ try
+ {
+ map = new DelauneyMap();
+ map.AddPoint(0, 0, 0);
+ map.AddPoint(0, 0, 0);
+ map.Triangulate();
+ Assert.Fail();
+ }
+ catch (ArgumentException ex)
+ {
+ Assert.AreEqual("Triangulations needs at least 3 Points. Got 2 Points.", ex.Message);
+ }
+
+ map = new DelauneyMap();
+ map.AddPoint(0, 0, 0);
+ map.AddPoint(1, 0, 0);
+ map.AddPoint(0, 1, 0);
+ map.Triangulate();
+ }
+
+
+ [TestMethod]
+ public void Test_DelauneyWithRealData()
+ {
+ Assert.Fail();
+ }
}
}
--
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