public void KMeans_Execute_Empty_Points_Random()
{
// Arrange
Ext.KMeans kMeans = new Ext.KMeans(
myImageFile: Constants.ImageFile,
initalCenters: new List <Point>(),
parallel: true);
// Act
kMeans.Execute();
}
public void KMeans_Execute_Empty_Image()
{
// Arrange
List <Point> points = new List <Point>()
{
new Point(0, 0),
new Point(10, 10)
};
Ext.KMeans kMeans = new Ext.KMeans(
myImageFile: string.Empty,
initalCenters: points,
parallel: true);
// Act
kMeans.Execute();
}
public void KMeans_Execute_With_Center_Bigger_Than_Image()
{
// Arrange
List <Point> points = new List <Point>()
{
new Point(10, 15),
new Point(20, 25),
new Point(30, 35),
new Point(40, 45),
new Point(50, 55),
new Point(60, 65),
new Point(70, 75),
};
Ext.KMeans kMeans = new Ext.KMeans(
myImageFile: Constants.ImageFile,
initalCenters: points,
parallel: true);
// Act
kMeans.Execute();
}
public void KMeans_Execute_With_One_Center()
{
// Arrange
List <Point> points = new List <Point>()
{
new Point(10, 10)
};
Ext.KMeans kMeans = new Ext.KMeans(
myImageFile: Constants.ImageFile,
initalCenters: points,
parallel: true);
// Act
kMeans.Execute();
// Assert
Assert.IsFalse(kMeans.Result.IsNullOrEmpty());
Assert.AreEqual(1, kMeans.Result.Count);
Assert.AreEqual(6, kMeans.Result[0].Coordinator.X);
Assert.AreEqual(27, kMeans.Result[0].Coordinator.Y);
Assert.AreEqual(ENote.Dm, kMeans.Result[0].Note);
Assert.AreEqual(5600, kMeans.Result[0].NumberOfElements);
}
public void KMeans_Execute_With_Seven_Center()
{
// Arrange
List <IResult> expectedResults = new List <IResult>()
{
new Ext.KMeansResult()
{
Coordinator = new Point(12, 14),
Note = ENote.C,
NumberOfElements = 489
},
new Ext.KMeansResult()
{
Coordinator = new Point(24, 28),
Note = ENote.F,
NumberOfElements = 568
},
new Ext.KMeansResult()
{
Coordinator = new Point(33, 36),
Note = ENote.Dm,
NumberOfElements = 649
},
new Ext.KMeansResult()
{
Coordinator = new Point(38, 21),
Note = ENote.Dm,
NumberOfElements = 869
},
new Ext.KMeansResult()
{
Coordinator = new Point(55, 31),
Note = ENote.F,
NumberOfElements = 872
},
new Ext.KMeansResult()
{
Coordinator = new Point(43, 3),
Note = ENote.Dm,
NumberOfElements = 1024
},
new Ext.KMeansResult()
{
Coordinator = new Point(62, 10),
Note = ENote.C,
NumberOfElements = 1129
}
};
List <Point> points = new List <Point>()
{
new Point(10, 15),
new Point(20, 25),
new Point(30, 27),
new Point(40, 30),
new Point(50, 35),
new Point(60, 45),
new Point(70, 55),
};
Ext.KMeans kMeans = new Ext.KMeans(
myImageFile: Constants.ImageFile,
initalCenters: points,
parallel: true);
// Act
kMeans.Execute();
// Assert
Assert.IsFalse(kMeans.Result.IsNullOrEmpty());
Assert.AreEqual(expectedResults.Count, kMeans.Result.Count);
List <IResult> orderedList = kMeans.Result.OrderBy(r => r.NumberOfElements).ToList();
for (int i = 0; i < kMeans.Result.Count; i++)
{
Assert.AreEqual(expectedResults[i].Coordinator.X, orderedList[i].Coordinator.X);
Assert.AreEqual(expectedResults[i].Coordinator.Y, orderedList[i].Coordinator.Y);
Assert.AreEqual(expectedResults[i].Note, orderedList[i].Note);
Assert.AreEqual(expectedResults[i].NumberOfElements, orderedList[i].NumberOfElements);
}
}
