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authorAdam Frisby2008-02-08 17:54:30 +0000
committerAdam Frisby2008-02-08 17:54:30 +0000
commita1625a54104da7872c15618db9e68656c6f6ec2a (patch)
tree2c9847e3085ee1c3252471af9c393a7f8265de3f
parent* Adding console spam to help track 'The Steve Bug'. (diff)
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* Applying mantis 339 patches round 2 -- Thanks daedius
Diffstat (limited to '')
-rw-r--r--OpenSim/Framework/Util.cs38
-rw-r--r--OpenSim/Tests/Common/ANumericalToleranceConstraint.cs30
-rw-r--r--OpenSim/Tests/Common/DoubleToleranceConstraint.cs52
-rw-r--r--OpenSim/Tests/Common/TestHelper.cs25
-rw-r--r--OpenSim/Tests/Common/VectorToleranceConstraint.cs58
-rw-r--r--OpenSim/Tests/OpenSim/Framework/UtilTest.cs115
-rw-r--r--prebuild.xml52
7 files changed, 368 insertions, 2 deletions
diff --git a/OpenSim/Framework/Util.cs b/OpenSim/Framework/Util.cs
index 5bfd8e1..856cac3 100644
--- a/OpenSim/Framework/Util.cs
+++ b/OpenSim/Framework/Util.cs
@@ -47,7 +47,12 @@ namespace OpenSim.Framework
47 private static Dictionary<LLUUID, string> capsURLS = new Dictionary<LLUUID, string>(); 47 private static Dictionary<LLUUID, string> capsURLS = new Dictionary<LLUUID, string>();
48 48
49 #region Vector Equasions 49 #region Vector Equasions
50 50 /// <summary>
51 /// Get the distance between two 3d vectors
52 /// </summary>
53 /// <param name="a">A 3d vector</param>
54 /// <param name="b">A 3d vector</param>
55 /// <returns>The distance between the two vectors</returns>
51 public static double GetDistanceTo(LLVector3 a, LLVector3 b) 56 public static double GetDistanceTo(LLVector3 a, LLVector3 b)
52 { 57 {
53 float dx = a.X - b.X; 58 float dx = a.X - b.X;
@@ -55,14 +60,43 @@ namespace OpenSim.Framework
55 float dz = a.Z - b.Z; 60 float dz = a.Z - b.Z;
56 return Math.Sqrt(dx*dx + dy*dy + dz*dz); 61 return Math.Sqrt(dx*dx + dy*dy + dz*dz);
57 } 62 }
63
64 /// <summary>
65 /// Get the magnitude of a 3d vector
66 /// </summary>
67 /// <param name="a">A 3d vector</param>
68 /// <returns>The magnitude of the vector</returns>
58 public static double GetMagnitude(LLVector3 a) { 69 public static double GetMagnitude(LLVector3 a) {
59 return Math.Sqrt((a.X * a.X) + (a.Y * a.Y) + (a.Z * a.Z)); 70 return Math.Sqrt((a.X * a.X) + (a.Y * a.Y) + (a.Z * a.Z));
60 } 71 }
61 public static LLVector3 GetNormal(LLVector3 a) 72
73 /// <summary>
74 /// Get a normalized form of a 3d vector
75 /// </summary>
76 /// <param name="a">A 3d vector</param>
77 /// <returns>A new vector which is normalized form of the vector</returns>
78 /// <remarks>The vector paramater cannot be <0,0,0></remarks>
79 public static LLVector3 GetNormalizedVector(LLVector3 a)
62 { 80 {
81 if (IsZeroVector(a))
82 throw new ArgumentException("Vector paramater cannot be a zero vector.");
83
63 float Mag = (float)GetMagnitude(a); 84 float Mag = (float)GetMagnitude(a);
64 return new LLVector3(a.X / Mag, a.Y / Mag, a.Z / Mag); 85 return new LLVector3(a.X / Mag, a.Y / Mag, a.Z / Mag);
86 }
65 87
88 /// <summary>
89 /// Returns if a vector is a zero vector (has all zero components)
90 /// </summary>
91 /// <returns></returns>
92 public static bool IsZeroVector( LLVector3 v )
93 {
94 if( v.X == 0 && v.Y == 0 && v.Z == 0)
95 {
96 return true;
97 }
98
99 return false;
66 } 100 }
67 # endregion 101 # endregion
68 102
diff --git a/OpenSim/Tests/Common/ANumericalToleranceConstraint.cs b/OpenSim/Tests/Common/ANumericalToleranceConstraint.cs
new file mode 100644
index 0000000..289e4bb
--- /dev/null
+++ b/OpenSim/Tests/Common/ANumericalToleranceConstraint.cs
@@ -0,0 +1,30 @@
1using System;
2using NUnit.Framework.Constraints;
3
4namespace OpenSim.Tests.Common
5{
6 public abstract class ANumericalToleranceConstraint : Constraint
7 {
8 protected double _tolerance;
9
10 public ANumericalToleranceConstraint(double tolerance)
11 {
12 if (tolerance < 0)
13 {
14 throw new ArgumentException("Tolerance cannot be negative.");
15 }
16 _tolerance = tolerance;
17 }
18
19
20 protected bool IsWithinDoubleConstraint(double doubleValue, double baseValue)
21 {
22 if (doubleValue >= baseValue - _tolerance && doubleValue <= baseValue + _tolerance)
23 {
24 return true;
25 }
26
27 return false;
28 }
29 }
30}
diff --git a/OpenSim/Tests/Common/DoubleToleranceConstraint.cs b/OpenSim/Tests/Common/DoubleToleranceConstraint.cs
new file mode 100644
index 0000000..f3da236
--- /dev/null
+++ b/OpenSim/Tests/Common/DoubleToleranceConstraint.cs
@@ -0,0 +1,52 @@
1using System;
2using NUnit.Framework;
3using NUnit.Framework.Constraints;
4using OpenSim.Tests.Common;
5
6namespace OpenSim.Tests.Common
7{
8 public class DoubleToleranceConstraint : ANumericalToleranceConstraint
9 {
10
11 private double _baseValue;
12 private double _valueToBeTested;
13
14 public DoubleToleranceConstraint(double baseValue, double tolerance) : base(tolerance)
15 {
16 _baseValue = baseValue;
17 }
18
19 ///<summary>
20 ///Test whether the constraint is satisfied by a given value
21 ///</summary>
22 ///<param name="valueToBeTested">The value to be tested</param>
23 ///<returns>
24 ///True for success, false for failure
25 ///</returns>
26 public override bool Matches(object valueToBeTested)
27 {
28 if (valueToBeTested == null)
29 {
30 throw new ArgumentException("Constraint cannot be used upon null values.");
31 }
32 if( valueToBeTested.GetType() != typeof(double))
33 {
34 throw new ArgumentException("Constraint cannot be used upon non double-values.");
35 }
36
37 _valueToBeTested = (double)valueToBeTested;
38
39 return IsWithinDoubleConstraint(_valueToBeTested, _baseValue );
40 }
41
42 public override void WriteDescriptionTo(MessageWriter writer)
43 {
44 writer.WriteExpectedValue(string.Format("A value {0} within tolerance of plus or minus {1}",_baseValue,_tolerance));
45 }
46
47 public override void WriteActualValueTo(MessageWriter writer)
48 {
49 writer.WriteActualValue(_valueToBeTested);
50 }
51 }
52}
diff --git a/OpenSim/Tests/Common/TestHelper.cs b/OpenSim/Tests/Common/TestHelper.cs
new file mode 100644
index 0000000..f59c157
--- /dev/null
+++ b/OpenSim/Tests/Common/TestHelper.cs
@@ -0,0 +1,25 @@
1using System;
2using System.Collections.Generic;
3using System.Text;
4
5namespace OpenSim.Tests.Common
6{
7 public delegate void TestDelegate();
8
9 public class TestHelper
10 {
11 public static bool AssertThisDelegateCausesArgumentException(TestDelegate d)
12 {
13 try
14 {
15 d();
16 }
17 catch(ArgumentException e)
18 {
19 return true;
20 }
21
22 return false;
23 }
24 }
25}
diff --git a/OpenSim/Tests/Common/VectorToleranceConstraint.cs b/OpenSim/Tests/Common/VectorToleranceConstraint.cs
new file mode 100644
index 0000000..1faf7dd
--- /dev/null
+++ b/OpenSim/Tests/Common/VectorToleranceConstraint.cs
@@ -0,0 +1,58 @@
1using System;
2using libsecondlife;
3using NUnit.Framework;
4
5namespace OpenSim.Tests.Common
6{
7 public class VectorToleranceConstraint : ANumericalToleranceConstraint
8 {
9 private LLVector3 _baseValue;
10 private LLVector3 _valueToBeTested;
11
12 public VectorToleranceConstraint(LLVector3 baseValue, double tolerance) : base(tolerance)
13 {
14 _baseValue = baseValue;
15 }
16
17 ///<summary>
18 ///Test whether the constraint is satisfied by a given value
19 ///</summary>
20 ///<param name="valueToBeTested">The value to be tested</param>
21 ///<returns>
22 ///True for success, false for failure
23 ///</returns>
24 public override bool Matches(object valueToBeTested)
25 {
26 if (valueToBeTested == null)
27 {
28 throw new ArgumentException("Constraint cannot be used upon null values.");
29 }
30 if (valueToBeTested.GetType() != typeof (LLVector3))
31 {
32 throw new ArgumentException("Constraint cannot be used upon non vector values.");
33 }
34
35 _valueToBeTested = (LLVector3) valueToBeTested;
36
37 if ( IsWithinDoubleConstraint(_valueToBeTested.X,_baseValue.X) &&
38 IsWithinDoubleConstraint(_valueToBeTested.Y,_baseValue.Y) &&
39 IsWithinDoubleConstraint(_valueToBeTested.Z,_baseValue.Z) )
40 {
41 return true;
42 }
43
44 return false;
45 }
46
47 public override void WriteDescriptionTo(MessageWriter writer)
48 {
49 writer.WriteExpectedValue(
50 string.Format("A value {0} within tolerance of plus or minus {1}", _baseValue, _tolerance));
51 }
52
53 public override void WriteActualValueTo(MessageWriter writer)
54 {
55 writer.WriteActualValue(_valueToBeTested);
56 }
57 }
58}
diff --git a/OpenSim/Tests/OpenSim/Framework/UtilTest.cs b/OpenSim/Tests/OpenSim/Framework/UtilTest.cs
new file mode 100644
index 0000000..ef42eee
--- /dev/null
+++ b/OpenSim/Tests/OpenSim/Framework/UtilTest.cs
@@ -0,0 +1,115 @@
1using libsecondlife;
2using NUnit.Framework;
3using NUnit.Framework.SyntaxHelpers;
4
5using OpenSim.Tests.Common;
6
7namespace OpenSim.Framework.Tests
8{
9 [TestFixture]
10 public class UtilTests
11 {
12 [Test]
13 public void VectorOperationTests()
14 {
15 LLVector3 v1, v2;
16 double expectedDistance;
17 double expectedMagnitude;
18 double lowPrecisionTolerance = 0.001;
19
20 //Lets test a simple case of <0,0,0> and <5,5,5>
21 {
22 v1 = new LLVector3(0, 0, 0);
23 v2 = new LLVector3(5, 5, 5);
24 expectedDistance = 8.66;
25 Assert.That(Util.GetDistanceTo(v1, v2),
26 new DoubleToleranceConstraint(expectedDistance, lowPrecisionTolerance),
27 "Calculated distance between two vectors was not within tolerances.");
28
29 expectedMagnitude = 0;
30 Assert.That(Util.GetMagnitude(v1), Is.EqualTo(0), "Magnitude of null vector was not zero.");
31
32 expectedMagnitude = 8.66;
33 Assert.That(Util.GetMagnitude(v2),
34 new DoubleToleranceConstraint(expectedMagnitude, lowPrecisionTolerance),
35 "Magnitude of vector was incorrect.");
36
37 TestDelegate d = delegate() { Util.GetNormalizedVector(v1); };
38 bool causesArgumentException = TestHelper.AssertThisDelegateCausesArgumentException(d);
39 Assert.That(causesArgumentException, Is.True,
40 "Getting magnitude of null vector did not cause argument exception.");
41
42 LLVector3 expectedNormalizedVector = new LLVector3(.577f, .577f, .577f);
43 double expectedNormalizedMagnitude = 1;
44 LLVector3 normalizedVector = Util.GetNormalizedVector(v2);
45 Assert.That(normalizedVector,
46 new VectorToleranceConstraint(expectedNormalizedVector, lowPrecisionTolerance),
47 "Normalized vector generated from vector was not what was expected.");
48 Assert.That(Util.GetMagnitude(normalizedVector),
49 new DoubleToleranceConstraint(expectedNormalizedMagnitude, lowPrecisionTolerance),
50 "Normalized vector generated from vector does not have magnitude of 1.");
51 }
52
53 //Lets test a simple case of <0,0,0> and <0,0,0>
54 {
55 v1 = new LLVector3(0, 0, 0);
56 v2 = new LLVector3(0, 0, 0);
57 expectedDistance = 0;
58 Assert.That(Util.GetDistanceTo(v1, v2),
59 new DoubleToleranceConstraint(expectedDistance, lowPrecisionTolerance),
60 "Calculated distance between two vectors was not within tolerances.");
61
62 expectedMagnitude = 0;
63 Assert.That(Util.GetMagnitude(v1), Is.EqualTo(0), "Magnitude of null vector was not zero.");
64
65 expectedMagnitude = 0;
66 Assert.That(Util.GetMagnitude(v2),
67 new DoubleToleranceConstraint(expectedMagnitude, lowPrecisionTolerance),
68 "Magnitude of vector was incorrect.");
69
70 TestDelegate d = delegate() { Util.GetNormalizedVector(v1); };
71 bool causesArgumentException = TestHelper.AssertThisDelegateCausesArgumentException(d);
72 Assert.That(causesArgumentException, Is.True,
73 "Getting magnitude of null vector did not cause argument exception.");
74
75 d = delegate() { Util.GetNormalizedVector(v2); };
76 causesArgumentException = TestHelper.AssertThisDelegateCausesArgumentException(d);
77 Assert.That(causesArgumentException, Is.True,
78 "Getting magnitude of null vector did not cause argument exception.");
79 }
80
81 //Lets test a simple case of <0,0,0> and <-5,-5,-5>
82 {
83 v1 = new LLVector3(0, 0, 0);
84 v2 = new LLVector3(-5, -5, -5);
85 expectedDistance = 8.66;
86 Assert.That(Util.GetDistanceTo(v1, v2),
87 new DoubleToleranceConstraint(expectedDistance, lowPrecisionTolerance),
88 "Calculated distance between two vectors was not within tolerances.");
89
90 expectedMagnitude = 0;
91 Assert.That(Util.GetMagnitude(v1), Is.EqualTo(0), "Magnitude of null vector was not zero.");
92
93 expectedMagnitude = 8.66;
94 Assert.That(Util.GetMagnitude(v2),
95 new DoubleToleranceConstraint(expectedMagnitude, lowPrecisionTolerance),
96 "Magnitude of vector was incorrect.");
97
98 TestDelegate d = delegate() { Util.GetNormalizedVector(v1); };
99 bool causesArgumentException = TestHelper.AssertThisDelegateCausesArgumentException(d);
100 Assert.That(causesArgumentException, Is.True,
101 "Getting magnitude of null vector did not cause argument exception.");
102
103 LLVector3 expectedNormalizedVector = new LLVector3(-.577f, -.577f, -.577f);
104 double expectedNormalizedMagnitude = 1;
105 LLVector3 normalizedVector = Util.GetNormalizedVector(v2);
106 Assert.That(normalizedVector,
107 new VectorToleranceConstraint(expectedNormalizedVector, lowPrecisionTolerance),
108 "Normalized vector generated from vector was not what was expected.");
109 Assert.That(Util.GetMagnitude(normalizedVector),
110 new DoubleToleranceConstraint(expectedNormalizedMagnitude, lowPrecisionTolerance),
111 "Normalized vector generated from vector does not have magnitude of 1.");
112 }
113 }
114 }
115}
diff --git a/prebuild.xml b/prebuild.xml
index e58c94a..f956e7e 100644
--- a/prebuild.xml
+++ b/prebuild.xml
@@ -81,6 +81,58 @@
81 </Files> 81 </Files>
82 </Project> 82 </Project>
83 83
84 <Project name="OpenSim.Tests.Common" path="OpenSim/Tests/Common" type="Library">
85 <Configuration name="Debug">
86 <Options>
87 <OutputPath>../../../bin/</OutputPath>
88 </Options>
89 </Configuration>
90 <Configuration name="Release">
91 <Options>
92 <OutputPath>../../../bin/</OutputPath>
93 </Options>
94 </Configuration>
95
96 <ReferencePath>../../../bin/</ReferencePath>
97 <Reference name="System"/>
98 <Reference name="System.Xml"/>
99 <Reference name="System.Data"/>
100 <Reference name="nunit.framework.dll" />
101 <Reference name="libsecondlife.dll"/>
102 <Files>
103 <Match pattern="*.cs" recurse="false"/>
104 </Files>
105 </Project>
106
107 <Project name="OpenSim.Framework.Tests" path="OpenSim/Tests/OpenSim/Framework" type="Library">
108 <Configuration name="Debug">
109 <Options>
110 <OutputPath>../../../../bin/</OutputPath>
111 </Options>
112 </Configuration>
113 <Configuration name="Release">
114 <Options>
115 <OutputPath>../../../../bin/</OutputPath>
116 </Options>
117 </Configuration>
118
119 <ReferencePath>../../../../bin/</ReferencePath>
120 <Reference name="System"/>
121 <Reference name="System.Xml"/>
122 <Reference name="System.Data"/>
123 <Reference name="libsecondlife.dll"/>
124 <Reference name="Db4objects.Db4o.dll"/>
125 <Reference name="XMLRPC.dll"/>
126 <Reference name="OpenSim.Framework.Console"/>
127 <Reference name="OpenSim.Framework"/>
128 <Reference name="OpenSim.Tests.Common"/>
129 <Reference name="Nini.dll" />
130 <Reference name="nunit.framework.dll" />
131 <Files>
132 <Match pattern="*.cs" recurse="false"/>
133 </Files>
134 </Project>
135
84 <Project name="OpenSim.Framework.Statistics" path="OpenSim/Framework/Statistics" type="Library"> 136 <Project name="OpenSim.Framework.Statistics" path="OpenSim/Framework/Statistics" type="Library">
85 <Configuration name="Debug"> 137 <Configuration name="Debug">
86 <Options> 138 <Options>
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