public void ToByteArrayTest()
{
Guid centroidID = Guid.NewGuid();
ClusterPoint target = new ClusterPoint
{
X = 1.23,
Y = 3.45,
CentroidID = centroidID
};
MemoryStream stream = new MemoryStream();
stream.Write(BitConverter.GetBytes(1.23), 0, sizeof(double));
stream.Write(BitConverter.GetBytes(3.45), 0, sizeof(double));
stream.Write(centroidID.ToByteArray(), 0, 16);
byte[] expected = stream.ToArray();
byte[] actual;
actual = target.ToByteArray();
Assert.AreEqual(expected.Length, actual.Length);
for (int i = 0; i < expected.Length; i++)
{
Assert.AreEqual(expected[i], actual[i]);
}
}
public void EnumeratorTest()
{
ClusterPoint p = new ClusterPoint(1, 2, Guid.NewGuid());
MemoryStream stream = new MemoryStream();
const int NumElements = 5;
for (int i = 0; i < NumElements; i++)
{
stream.Write(p.ToByteArray(), 0, ClusterPoint.Size);
}
ObjectStreamReader <ClusterPoint> pointStream = new ObjectStreamReader <ClusterPoint>(new MemoryStream(stream.ToArray()), ClusterPoint.FromByteArray, ClusterPoint.Size);
Assert.AreEqual(p.CentroidID, pointStream.First().CentroidID);
DateTime serialStart = DateTime.Now;
int[] serialOutput = pointStream.Select(point =>
{
System.Threading.Thread.Sleep(200);
return(1);
}).ToArray();
DateTime serialEnd = DateTime.Now;
Assert.AreEqual(NumElements, serialOutput.Length);
DateTime parallelStart = DateTime.Now;
int[] parallelOutput = pointStream.AsParallel().Select(point =>
{
System.Threading.Thread.Sleep(200);
return(1);
}).ToArray();
DateTime parallelEnd = DateTime.Now;
Assert.AreEqual(NumElements, parallelOutput.Length);
System.Diagnostics.Trace.WriteLine(string.Format("serial: {0}, parallel: {1}",
(serialEnd - serialStart).TotalSeconds,
(parallelEnd - parallelStart).TotalSeconds));
}
