/* * Copyright (c) Contributors, http://opensimulator.org/ * See CONTRIBUTORS.TXT for a full list of copyright holders. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Neither the name of the OpenSimulator Project nor the * names of its contributors may be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ using System; using NUnit.Framework; using NUnit.Framework.Constraints; namespace OpenSim.Tests.Common { public class DoubleToleranceConstraint : ANumericalToleranceConstraint { private double _baseValue; private double _valueToBeTested; public DoubleToleranceConstraint(double baseValue, double tolerance) : base(tolerance) { _baseValue = baseValue; } ///<summary> ///Test whether the constraint is satisfied by a given value ///</summary> ///<param name="valueToBeTested">The value to be tested</param> ///<returns> ///True for success, false for failure ///</returns> public override bool Matches(object valueToBeTested) { if (valueToBeTested == null) { throw new ArgumentException("Constraint cannot be used upon null values."); } if (valueToBeTested.GetType() != typeof(double)) { throw new ArgumentException("Constraint cannot be used upon non double-values."); } _valueToBeTested = (double)valueToBeTested; return IsWithinDoubleConstraint(_valueToBeTested, _baseValue); } public override void WriteDescriptionTo(MessageWriter writer) { writer.WriteExpectedValue(string.Format("A value {0} within tolerance of plus or minus {1}",_baseValue,_tolerance)); } public override void WriteActualValueTo(MessageWriter writer) { writer.WriteActualValue(_valueToBeTested); } } }