opensim – Rev 1
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*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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using System;
using OpenMetaverse;
using NUnit.Framework;
using NUnit.Framework.Constraints;
namespace OpenSim.Tests.Common
{
public class VectorToleranceConstraint : ANumericalToleranceConstraint
{
private Vector3 _baseValue;
private Vector3 _valueToBeTested;
public VectorToleranceConstraint(Vector3 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 (Vector3))
{
throw new ArgumentException("Constraint cannot be used upon non vector values.");
}
_valueToBeTested = (Vector3) valueToBeTested;
return (IsWithinDoubleConstraint(_valueToBeTested.X, _baseValue.X) &&
IsWithinDoubleConstraint(_valueToBeTested.Y, _baseValue.Y) &&
IsWithinDoubleConstraint(_valueToBeTested.Z, _baseValue.Z));
}
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);
}
}
}