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1/*
2 * Copyright (c) Contributors, http://opensimulator.org/
3 * See CONTRIBUTORS.TXT for a full list of copyright holders.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the OpenSimulator Project nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28using System;
29using OpenMetaverse;
30using NUnit.Framework;
31using NUnit.Framework.Constraints;
32
33namespace OpenSim.Tests.Common
34{
35 public class QuaternionToleranceConstraint : ANumericalToleranceConstraint
36 {
37 private Quaternion _baseValue;
38 private Quaternion _valueToBeTested;
39
40 public QuaternionToleranceConstraint(Quaternion baseValue, double tolerance) : base(tolerance)
41 {
42 _baseValue = baseValue;
43 }
44
45 /// <summary>
46 /// Test whether the constraint is satisfied by a given value
47 /// </summary>
48 /// <param name="valueToBeTested">The value to be tested</param>
49 /// <returns>
50 /// True for success, false for failure
51 /// </returns>
52 public override bool Matches(object valueToBeTested)
53 {
54 if (valueToBeTested == null)
55 {
56 throw new ArgumentException("Constraint cannot be used upon null values.");
57 }
58 if (valueToBeTested.GetType() != typeof (Quaternion))
59 {
60 throw new ArgumentException("Constraint cannot be used upon non quaternion values.");
61 }
62
63 _valueToBeTested = (Quaternion)valueToBeTested;
64
65 return (IsWithinDoubleConstraint(_valueToBeTested.X, _baseValue.X) &&
66 IsWithinDoubleConstraint(_valueToBeTested.Y, _baseValue.Y) &&
67 IsWithinDoubleConstraint(_valueToBeTested.Z, _baseValue.Z) &&
68 IsWithinDoubleConstraint(_valueToBeTested.W, _baseValue.W));
69 }
70
71 public override void WriteDescriptionTo(MessageWriter writer)
72 {
73 writer.WriteExpectedValue(
74 string.Format("A value {0} within tolerance of plus or minus {1}", _baseValue, _tolerance));
75 }
76
77 public override void WriteActualValueTo(MessageWriter writer)
78 {
79 writer.WriteActualValue(_valueToBeTested);
80 }
81 }
82} \ No newline at end of file