acdea736b6
git-svn-id: file:///srv/devel/repo-conversion/nusu@18 d2e56fa2-650e-0410-a79f-9358c0239efd
98 lines
3.2 KiB
C#
98 lines
3.2 KiB
C#
#region CPL License
|
|
/*
|
|
Nuclex Framework
|
|
Copyright (C) 2002-2007 Nuclex Development Labs
|
|
|
|
This library is free software; you can redistribute it and/or
|
|
modify it under the terms of the IBM Common Public License as
|
|
published by the IBM Corporation; either version 1.0 of the
|
|
License, or (at your option) any later version.
|
|
|
|
This library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
IBM Common Public License for more details.
|
|
|
|
You should have received a copy of the IBM Common Public
|
|
License along with this library
|
|
*/
|
|
#endregion
|
|
using System;
|
|
using System.Collections.Generic;
|
|
|
|
#if UNITTEST
|
|
|
|
using NUnit.Framework;
|
|
|
|
namespace Nuclex.Support.Collections {
|
|
|
|
/// <summary>Unit Test for the priority queue class</summary>
|
|
[TestFixture]
|
|
public class PriorityQueueTest {
|
|
|
|
/// <summary>Comparer for two floating point values</summary>
|
|
private class FloatComparer : IComparer<float> {
|
|
|
|
/// <summary>The default instance of this comparer</summary>
|
|
public static readonly FloatComparer Default = new FloatComparer();
|
|
|
|
/// <summary>Compares two floating points against each other</summary>
|
|
/// <param name="left">First float to compare</param>
|
|
/// <param name="right">Second float to compare</param>
|
|
/// <returns>The relationship of the two floats to each other</returns>
|
|
public int Compare(float left, float right) {
|
|
return Math.Sign(left - right);
|
|
}
|
|
|
|
}
|
|
|
|
/// <summary>Tests to ensure the count property is properly updated</summary>
|
|
[Test]
|
|
public void TestCount() {
|
|
PriorityQueue<float> testQueue = new PriorityQueue<float>(FloatComparer.Default);
|
|
|
|
Assert.AreEqual(0, testQueue.Count);
|
|
testQueue.Enqueue(12.34f);
|
|
Assert.AreEqual(1, testQueue.Count);
|
|
testQueue.Enqueue(56.78f);
|
|
Assert.AreEqual(2, testQueue.Count);
|
|
testQueue.Dequeue();
|
|
Assert.AreEqual(1, testQueue.Count);
|
|
testQueue.Enqueue(9.0f);
|
|
Assert.AreEqual(2, testQueue.Count);
|
|
testQueue.Clear();
|
|
Assert.AreEqual(0, testQueue.Count);
|
|
}
|
|
|
|
/// <summary>Tests to ensure that the priority collection actually sorts items</summary>
|
|
[Test]
|
|
public void TestOrdering() {
|
|
PriorityQueue<float> testQueue = new PriorityQueue<float>(FloatComparer.Default);
|
|
|
|
testQueue.Enqueue(1.0f);
|
|
testQueue.Enqueue(9.0f);
|
|
testQueue.Enqueue(2.0f);
|
|
testQueue.Enqueue(8.0f);
|
|
testQueue.Enqueue(3.0f);
|
|
testQueue.Enqueue(7.0f);
|
|
testQueue.Enqueue(4.0f);
|
|
testQueue.Enqueue(6.0f);
|
|
testQueue.Enqueue(5.0f);
|
|
|
|
Assert.AreEqual(9.0f, testQueue.Dequeue());
|
|
Assert.AreEqual(8.0f, testQueue.Dequeue());
|
|
Assert.AreEqual(7.0f, testQueue.Dequeue());
|
|
Assert.AreEqual(6.0f, testQueue.Dequeue());
|
|
Assert.AreEqual(5.0f, testQueue.Dequeue());
|
|
Assert.AreEqual(4.0f, testQueue.Dequeue());
|
|
Assert.AreEqual(3.0f, testQueue.Dequeue());
|
|
Assert.AreEqual(2.0f, testQueue.Dequeue());
|
|
Assert.AreEqual(1.0f, testQueue.Dequeue());
|
|
}
|
|
|
|
}
|
|
|
|
} // namespace Nuclex.Support.Collections
|
|
|
|
#endif // UNITTEST
|