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/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSim Project nor the
* names of its contributors may be used to endorse or promote products
* 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
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
using System;
using NUnit.Framework;
using NUnit.Framework.SyntaxHelpers;
using OpenMetaverse;
using OpenSim.Tests.Common;
namespace OpenSim.Framework.Tests
{
[TestFixture]
public class UtilTests
{
[Test]
public void VectorOperationTests()
{
Vector3 v1, v2;
double expectedDistance;
double expectedMagnitude;
double lowPrecisionTolerance = 0.001;
//Lets test a simple case of <0,0,0> and <5,5,5>
{
v1 = new Vector3(0, 0, 0);
v2 = new Vector3(5, 5, 5);
expectedDistance = 8.66;
Assert.That(Util.GetDistanceTo(v1, v2),
new DoubleToleranceConstraint(expectedDistance, lowPrecisionTolerance),
"Calculated distance between two vectors was not within tolerances.");
expectedMagnitude = 0;
Assert.That(Util.GetMagnitude(v1), Is.EqualTo(0), "Magnitude of null vector was not zero.");
expectedMagnitude = 8.66;
Assert.That(Util.GetMagnitude(v2),
new DoubleToleranceConstraint(expectedMagnitude, lowPrecisionTolerance),
"Magnitude of vector was incorrect.");
TestDelegate d = delegate() { Util.GetNormalizedVector(v1); };
bool causesArgumentException = TestHelper.AssertThisDelegateCausesArgumentException(d);
Assert.That(causesArgumentException, Is.True,
"Getting magnitude of null vector did not cause argument exception.");
Vector3 expectedNormalizedVector = new Vector3(.577f, .577f, .577f);
double expectedNormalizedMagnitude = 1;
Vector3 normalizedVector = Util.GetNormalizedVector(v2);
Assert.That(normalizedVector,
new VectorToleranceConstraint(expectedNormalizedVector, lowPrecisionTolerance),
"Normalized vector generated from vector was not what was expected.");
Assert.That(Util.GetMagnitude(normalizedVector),
new DoubleToleranceConstraint(expectedNormalizedMagnitude, lowPrecisionTolerance),
"Normalized vector generated from vector does not have magnitude of 1.");
}
//Lets test a simple case of <0,0,0> and <0,0,0>
{
v1 = new Vector3(0, 0, 0);
v2 = new Vector3(0, 0, 0);
expectedDistance = 0;
Assert.That(Util.GetDistanceTo(v1, v2),
new DoubleToleranceConstraint(expectedDistance, lowPrecisionTolerance),
"Calculated distance between two vectors was not within tolerances.");
expectedMagnitude = 0;
Assert.That(Util.GetMagnitude(v1), Is.EqualTo(0), "Magnitude of null vector was not zero.");
expectedMagnitude = 0;
Assert.That(Util.GetMagnitude(v2),
new DoubleToleranceConstraint(expectedMagnitude, lowPrecisionTolerance),
"Magnitude of vector was incorrect.");
TestDelegate d = delegate() { Util.GetNormalizedVector(v1); };
bool causesArgumentException = TestHelper.AssertThisDelegateCausesArgumentException(d);
Assert.That(causesArgumentException, Is.True,
"Getting magnitude of null vector did not cause argument exception.");
d = delegate() { Util.GetNormalizedVector(v2); };
causesArgumentException = TestHelper.AssertThisDelegateCausesArgumentException(d);
Assert.That(causesArgumentException, Is.True,
"Getting magnitude of null vector did not cause argument exception.");
}
//Lets test a simple case of <0,0,0> and <-5,-5,-5>
{
v1 = new Vector3(0, 0, 0);
v2 = new Vector3(-5, -5, -5);
expectedDistance = 8.66;
Assert.That(Util.GetDistanceTo(v1, v2),
new DoubleToleranceConstraint(expectedDistance, lowPrecisionTolerance),
"Calculated distance between two vectors was not within tolerances.");
expectedMagnitude = 0;
Assert.That(Util.GetMagnitude(v1), Is.EqualTo(0), "Magnitude of null vector was not zero.");
expectedMagnitude = 8.66;
Assert.That(Util.GetMagnitude(v2),
new DoubleToleranceConstraint(expectedMagnitude, lowPrecisionTolerance),
"Magnitude of vector was incorrect.");
TestDelegate d = delegate() { Util.GetNormalizedVector(v1); };
bool causesArgumentException = TestHelper.AssertThisDelegateCausesArgumentException(d);
Assert.That(causesArgumentException, Is.True,
"Getting magnitude of null vector did not cause argument exception.");
Vector3 expectedNormalizedVector = new Vector3(-.577f, -.577f, -.577f);
double expectedNormalizedMagnitude = 1;
Vector3 normalizedVector = Util.GetNormalizedVector(v2);
Assert.That(normalizedVector,
new VectorToleranceConstraint(expectedNormalizedVector, lowPrecisionTolerance),
"Normalized vector generated from vector was not what was expected.");
Assert.That(Util.GetMagnitude(normalizedVector),
new DoubleToleranceConstraint(expectedNormalizedMagnitude, lowPrecisionTolerance),
"Normalized vector generated from vector does not have magnitude of 1.");
}
}
[Test]
public void UUIDTests()
{
Assert.IsTrue(Util.isUUID("01234567-89ab-Cdef-0123-456789AbCdEf"),
"A correct UUID wasn't recognized.");
Assert.IsFalse(Util.isUUID("FOOBAR67-89ab-Cdef-0123-456789AbCdEf"),
"UUIDs with non-hex characters are recognized as correct UUIDs.");
Assert.IsFalse(Util.isUUID("01234567"),
"Too short UUIDs are regognized as correct UUIDs.");
Assert.IsFalse(Util.isUUID("01234567-89ab-Cdef-0123-456789AbCdEf0"),
"Too long UUIDs are regognized as correct UUIDs.");
Assert.IsFalse(Util.isUUID("01234567-89ab-Cdef-0123+456789AbCdEf"),
"UUIDs with wrong format are recognized as correct UUIDs.");
}
[Test]
public void GetHashGuidTests()
{
string string1 = "This is one string";
string string2 = "This is another";
// Two consecutive runs should equal the same
Assert.AreEqual(Util.GetHashGuid(string1, "secret1"), Util.GetHashGuid(string1, "secret1"));
Assert.AreEqual(Util.GetHashGuid(string2, "secret1"), Util.GetHashGuid(string2, "secret1"));
// Varying data should not eqal the same
Assert.AreNotEqual(Util.GetHashGuid(string1, "secret1"), Util.GetHashGuid(string2, "secret1"));
// Varying secrets should not eqal the same
Assert.AreNotEqual(Util.GetHashGuid(string1, "secret1"), Util.GetHashGuid(string1, "secret2"));
}
}
}
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