Changeset 16631 for trunk/HeuristicLab.Tests/HeuristicLab.Problems.DataAnalysis-3.4/IntervalTest.cs

Timestamp:

02/28/19 14:34:17 (5 years ago)

Author:

gkronber

Message:

#2966: fixed calculation for intervals of Sqr, Sqrt, Cube, CubeRoot

File:

• trunk/HeuristicLab.Tests/HeuristicLab.Problems.DataAnalysis-3.4/IntervalTest.cs (modified) (2 diffs)

trunk/HeuristicLab.Tests/HeuristicLab.Problems.DataAnalysis-3.4/IntervalTest.cs

@@ -1 +1 @@
 using System;
-using HeuristicLab.Problems.DataAnalysis;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 
@@ -124 +123 @@
       Assert.AreEqual<Interval>(new Interval(1, Math.Exp(1)), Interval.Exponential(new Interval(0, 1)));
     }
+
+
+    [TestMethod]
+    [TestCategory("Problems.DataAnalysis")]
+    [TestProperty("Time", "short")]
+    public void TestIntervalSqrOperator() {
+      Assert.AreEqual<Interval>(new Interval(1, 4), Interval.Square(new Interval(1, 2)));
+      Assert.AreEqual<Interval>(new Interval(1, 4), Interval.Square(new Interval(-2, -1)));
+      Assert.AreEqual<Interval>(new Interval(0, 4), Interval.Square(new Interval(-2, 2)));
+    }
+
+    [TestMethod]
+    [TestCategory("Problems.DataAnalysis")]
+    [TestProperty("Time", "short")]
+    public void TestIntervalSqrtOperator() {
+      Assert.AreEqual<Interval>(new Interval(1, 2), Interval.SquareRoot(new Interval(1, 4)));
+      Assert.AreEqual<Interval>(new Interval(double.NaN, double.NaN), Interval.SquareRoot(new Interval(-4, -1)));
+    }
+
+    [TestMethod]
+    [TestCategory("Problems.DataAnalysis")]
+    [TestProperty("Time", "short")]
+    public void TestIntervalCubeOperator() {
+      Assert.AreEqual<Interval>(new Interval(1, 8), Interval.Cube(new Interval(1, 2)));
+      Assert.AreEqual<Interval>(new Interval(-8, -1), Interval.Cube(new Interval(-2, -1)));
+      Assert.AreEqual<Interval>(new Interval(-8, 8), Interval.Cube(new Interval(-2, 2)));
+    }
+
+    [TestMethod]
+    [TestCategory("Problems.DataAnalysis")]
+    [TestProperty("Time", "short")]
+    public void TestIntervalCbrtOperator() {
+      Assert.AreEqual<Interval>(new Interval(1, 2), Interval.CubicRoot(new Interval(1, 8)));
+      Assert.AreEqual<Interval>(new Interval(double.NaN, double.NaN), Interval.CubicRoot(new Interval(-8, -1)));
+    }
   }
 }