UtilTest.cs 8.2 KB

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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 OpenSim 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. using OpenMetaverse;
  28. using NUnit.Framework;
  29. using NUnit.Framework.SyntaxHelpers;
  30. using OpenSim.Tests.Common;
  31. namespace OpenSim.Framework.Tests
  32. {
  33. [TestFixture]
  34. public class UtilTests
  35. {
  36. [Test]
  37. public void VectorOperationTests()
  38. {
  39. Vector3 v1, v2;
  40. double expectedDistance;
  41. double expectedMagnitude;
  42. double lowPrecisionTolerance = 0.001;
  43. //Lets test a simple case of <0,0,0> and <5,5,5>
  44. {
  45. v1 = new Vector3(0, 0, 0);
  46. v2 = new Vector3(5, 5, 5);
  47. expectedDistance = 8.66;
  48. Assert.That(Util.GetDistanceTo(v1, v2),
  49. new DoubleToleranceConstraint(expectedDistance, lowPrecisionTolerance),
  50. "Calculated distance between two vectors was not within tolerances.");
  51. expectedMagnitude = 0;
  52. Assert.That(Util.GetMagnitude(v1), Is.EqualTo(0), "Magnitude of null vector was not zero.");
  53. expectedMagnitude = 8.66;
  54. Assert.That(Util.GetMagnitude(v2),
  55. new DoubleToleranceConstraint(expectedMagnitude, lowPrecisionTolerance),
  56. "Magnitude of vector was incorrect.");
  57. TestDelegate d = delegate() { Util.GetNormalizedVector(v1); };
  58. bool causesArgumentException = TestHelper.AssertThisDelegateCausesArgumentException(d);
  59. Assert.That(causesArgumentException, Is.True,
  60. "Getting magnitude of null vector did not cause argument exception.");
  61. Vector3 expectedNormalizedVector = new Vector3(.577f, .577f, .577f);
  62. double expectedNormalizedMagnitude = 1;
  63. Vector3 normalizedVector = Util.GetNormalizedVector(v2);
  64. Assert.That(normalizedVector,
  65. new VectorToleranceConstraint(expectedNormalizedVector, lowPrecisionTolerance),
  66. "Normalized vector generated from vector was not what was expected.");
  67. Assert.That(Util.GetMagnitude(normalizedVector),
  68. new DoubleToleranceConstraint(expectedNormalizedMagnitude, lowPrecisionTolerance),
  69. "Normalized vector generated from vector does not have magnitude of 1.");
  70. }
  71. //Lets test a simple case of <0,0,0> and <0,0,0>
  72. {
  73. v1 = new Vector3(0, 0, 0);
  74. v2 = new Vector3(0, 0, 0);
  75. expectedDistance = 0;
  76. Assert.That(Util.GetDistanceTo(v1, v2),
  77. new DoubleToleranceConstraint(expectedDistance, lowPrecisionTolerance),
  78. "Calculated distance between two vectors was not within tolerances.");
  79. expectedMagnitude = 0;
  80. Assert.That(Util.GetMagnitude(v1), Is.EqualTo(0), "Magnitude of null vector was not zero.");
  81. expectedMagnitude = 0;
  82. Assert.That(Util.GetMagnitude(v2),
  83. new DoubleToleranceConstraint(expectedMagnitude, lowPrecisionTolerance),
  84. "Magnitude of vector was incorrect.");
  85. TestDelegate d = delegate() { Util.GetNormalizedVector(v1); };
  86. bool causesArgumentException = TestHelper.AssertThisDelegateCausesArgumentException(d);
  87. Assert.That(causesArgumentException, Is.True,
  88. "Getting magnitude of null vector did not cause argument exception.");
  89. d = delegate() { Util.GetNormalizedVector(v2); };
  90. causesArgumentException = TestHelper.AssertThisDelegateCausesArgumentException(d);
  91. Assert.That(causesArgumentException, Is.True,
  92. "Getting magnitude of null vector did not cause argument exception.");
  93. }
  94. //Lets test a simple case of <0,0,0> and <-5,-5,-5>
  95. {
  96. v1 = new Vector3(0, 0, 0);
  97. v2 = new Vector3(-5, -5, -5);
  98. expectedDistance = 8.66;
  99. Assert.That(Util.GetDistanceTo(v1, v2),
  100. new DoubleToleranceConstraint(expectedDistance, lowPrecisionTolerance),
  101. "Calculated distance between two vectors was not within tolerances.");
  102. expectedMagnitude = 0;
  103. Assert.That(Util.GetMagnitude(v1), Is.EqualTo(0), "Magnitude of null vector was not zero.");
  104. expectedMagnitude = 8.66;
  105. Assert.That(Util.GetMagnitude(v2),
  106. new DoubleToleranceConstraint(expectedMagnitude, lowPrecisionTolerance),
  107. "Magnitude of vector was incorrect.");
  108. TestDelegate d = delegate() { Util.GetNormalizedVector(v1); };
  109. bool causesArgumentException = TestHelper.AssertThisDelegateCausesArgumentException(d);
  110. Assert.That(causesArgumentException, Is.True,
  111. "Getting magnitude of null vector did not cause argument exception.");
  112. Vector3 expectedNormalizedVector = new Vector3(-.577f, -.577f, -.577f);
  113. double expectedNormalizedMagnitude = 1;
  114. Vector3 normalizedVector = Util.GetNormalizedVector(v2);
  115. Assert.That(normalizedVector,
  116. new VectorToleranceConstraint(expectedNormalizedVector, lowPrecisionTolerance),
  117. "Normalized vector generated from vector was not what was expected.");
  118. Assert.That(Util.GetMagnitude(normalizedVector),
  119. new DoubleToleranceConstraint(expectedNormalizedMagnitude, lowPrecisionTolerance),
  120. "Normalized vector generated from vector does not have magnitude of 1.");
  121. }
  122. }
  123. [Test]
  124. public void UUIDTests()
  125. {
  126. Assert.IsTrue(Util.isUUID("01234567-89ab-Cdef-0123-456789AbCdEf"),
  127. "A correct UUID wasn't recognized.");
  128. Assert.IsFalse(Util.isUUID("FOOBAR67-89ab-Cdef-0123-456789AbCdEf"),
  129. "UUIDs with non-hex characters are recognized as correct UUIDs.");
  130. Assert.IsFalse(Util.isUUID("01234567"),
  131. "Too short UUIDs are regognized as correct UUIDs.");
  132. Assert.IsFalse(Util.isUUID("01234567-89ab-Cdef-0123-456789AbCdEf0"),
  133. "Too long UUIDs are regognized as correct UUIDs.");
  134. Assert.IsFalse(Util.isUUID("01234567-89ab-Cdef-0123+456789AbCdEf"),
  135. "UUIDs with wrong format are recognized as correct UUIDs.");
  136. }
  137. }
  138. }