From d0fed5f5568ac612b087ab0c468815e21b09e1ca Mon Sep 17 00:00:00 2001
From: Markus Quaritsch <markus.quaritsch@tugraz.at>
Date: Fri, 9 Sep 2016 12:50:42 +0200
Subject: [PATCH] adding testcases for cubic equation solver
---
.../VectoCoreTest/Utils/VectoMathTest.cs | 21 +++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/VectoCore/VectoCoreTest/Utils/VectoMathTest.cs b/VectoCore/VectoCoreTest/Utils/VectoMathTest.cs
index 47bd08708e..406737b20d 100644
--- a/VectoCore/VectoCoreTest/Utils/VectoMathTest.cs
+++ b/VectoCore/VectoCoreTest/Utils/VectoMathTest.cs
@@ -30,8 +30,11 @@
*/
using System;
+using System.Linq;
+using System.Windows.Forms.VisualStyles;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using NUnit.Framework;
+using Org.BouncyCastle.Asn1;
using TUGraz.VectoCommon.Utils;
using TUGraz.VectoCore.Utils;
using Assert = Microsoft.VisualStudio.TestTools.UnitTesting.Assert;
@@ -90,5 +93,23 @@ namespace TUGraz.VectoCore.Tests.Utils
Assert.IsTrue(double.IsNaN(isy));
}
}
+
+ [TestCase(1, 2, 0, 5, new[] { -2.6906474480286136 }),
+ TestCase(5, -3, 2, 10, new[] { -1.0 }),
+ TestCase(5, -30, 2, 10, new[] { -0.5238756689475912, 0.6499388479175676, 5.873936821030023 })]
+ public void CubicSolverTest(double a, double b, double c, double d, double[] expected)
+ {
+ var results = VectoMath.CubicEquationSolver(a, b, c, d);
+
+ Assert.AreEqual(expected.Length, results.Count);
+ var sorted = expected.ToList();
+ sorted.Sort();
+ results.Sort();
+
+ var comparison = sorted.Zip(results, (exp, result) => exp - result);
+ foreach (var cmp in comparison) {
+ Assert.AreEqual(0, cmp, 1e-15);
+ }
+ }
}
}
\ No newline at end of file
--
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