OpenSimMirror/OpenSim/Tests/Common/QuaternionToleranceConstrai...

82 lines
3.5 KiB
C#

/*
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
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* 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
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using System;
using OpenMetaverse;
using NUnit.Framework;
using NUnit.Framework.Constraints;
namespace OpenSim.Tests.Common
{
public class QuaternionToleranceConstraint : ANumericalToleranceConstraint
{
private Quaternion _baseValue;
private Quaternion _valueToBeTested;
public QuaternionToleranceConstraint(Quaternion 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 (Quaternion))
{
throw new ArgumentException("Constraint cannot be used upon non quaternion values.");
}
_valueToBeTested = (Quaternion)valueToBeTested;
return (IsWithinDoubleConstraint(_valueToBeTested.X, _baseValue.X) &&
IsWithinDoubleConstraint(_valueToBeTested.Y, _baseValue.Y) &&
IsWithinDoubleConstraint(_valueToBeTested.Z, _baseValue.Z) &&
IsWithinDoubleConstraint(_valueToBeTested.W, _baseValue.W));
}
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);
}
}
}