From a1625a54104da7872c15618db9e68656c6f6ec2a Mon Sep 17 00:00:00 2001
From: Adam Frisby
Date: Fri, 8 Feb 2008 17:54:30 +0000
Subject: * Applying mantis 339 patches round 2 -- Thanks daedius

---
 .../Tests/Common/ANumericalToleranceConstraint.cs  | 30 ++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 OpenSim/Tests/Common/ANumericalToleranceConstraint.cs

(limited to 'OpenSim/Tests/Common/ANumericalToleranceConstraint.cs')

diff --git a/OpenSim/Tests/Common/ANumericalToleranceConstraint.cs b/OpenSim/Tests/Common/ANumericalToleranceConstraint.cs
new file mode 100644
index 0000000..289e4bb
--- /dev/null
+++ b/OpenSim/Tests/Common/ANumericalToleranceConstraint.cs
@@ -0,0 +1,30 @@
+using System;
+using NUnit.Framework.Constraints;
+
+namespace OpenSim.Tests.Common
+{
+    public abstract class ANumericalToleranceConstraint : Constraint
+    {
+        protected double _tolerance;
+
+        public ANumericalToleranceConstraint(double tolerance)
+        {
+            if (tolerance < 0)
+            {
+                throw new ArgumentException("Tolerance cannot be negative.");
+            }
+            _tolerance = tolerance;
+        }
+
+
+        protected bool IsWithinDoubleConstraint(double doubleValue, double baseValue)
+        {
+            if (doubleValue >= baseValue - _tolerance && doubleValue <= baseValue + _tolerance)
+            {
+                return true;
+            }
+
+            return false;
+        }
+    }
+}
-- 
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