opensim – Blame information for rev 1

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1 eva 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  
28 using System;
29 using NUnit.Framework;
30 using NUnit.Framework.Constraints;
31  
32 namespace OpenSim.Tests.Common
33 {
34 public class DoubleToleranceConstraint : ANumericalToleranceConstraint
35 {
36 private double _baseValue;
37 private double _valueToBeTested;
38  
39 public DoubleToleranceConstraint(double baseValue, double tolerance) : base(tolerance)
40 {
41 _baseValue = baseValue;
42 }
43  
44 ///<summary>
45 ///Test whether the constraint is satisfied by a given value
46 ///</summary>
47 ///<param name="valueToBeTested">The value to be tested</param>
48 ///<returns>
49 ///True for success, false for failure
50 ///</returns>
51 public override bool Matches(object valueToBeTested)
52 {
53 if (valueToBeTested == null)
54 {
55 throw new ArgumentException("Constraint cannot be used upon null values.");
56 }
57 if (valueToBeTested.GetType() != typeof(double))
58 {
59 throw new ArgumentException("Constraint cannot be used upon non double-values.");
60 }
61  
62 _valueToBeTested = (double)valueToBeTested;
63  
64 return IsWithinDoubleConstraint(_valueToBeTested, _baseValue);
65 }
66  
67 public override void WriteDescriptionTo(MessageWriter writer)
68 {
69 writer.WriteExpectedValue(string.Format("A value {0} within tolerance of plus or minus {1}",_baseValue,_tolerance));
70 }
71  
72 public override void WriteActualValueTo(MessageWriter writer)
73 {
74 writer.WriteActualValue(_valueToBeTested);
75 }
76 }
77 }