public void TestBandwidthControllerBasic()
{
BandwidthControlBuffer controller = ConstructBandwidthController();
controller.Enqueue(NewPacket(1, 0), 0);
AssertPacket(controller.Peek(), 1, 0);
AssertPacket(controller.Dequeue(), 1, 0);
Assert.AreEqual(controller.Peek(), null);
Assert.AreEqual(controller.Dequeue(), null);
Assert.AreEqual(controller.Peek(), null);
controller.Enqueue(NewPacket(1, 0), 0);
AssertPacket(controller.Peek(), 1, 0);
AssertPacket(controller.Dequeue(), 1, 0);
Assert.AreEqual(controller.Peek(), null);
Assert.AreEqual(controller.Dequeue(), null);
Assert.AreEqual(controller.Peek(), null);
controller.Enqueue(NewPacket(1, 2), 2);
AssertPacket(controller.Peek(), 1, 2);
AssertPacket(controller.Dequeue(), 1, 2);
Assert.AreEqual(controller.Peek(), null);
Assert.AreEqual(controller.Dequeue(), null);
Assert.AreEqual(controller.Peek(), null);
controller.Enqueue(NewPacket(1, 1), 1);
AssertPacket(controller.Peek(), 1, 1);
AssertPacket(controller.Dequeue(), 1, 1);
Assert.AreEqual(controller.Peek(), null);
Assert.AreEqual(controller.Dequeue(), null);
Assert.AreEqual(controller.Peek(), null);
}
public void BandwidthControllerPressureTest(Random r, int totalPacket)
{
int[] bandwidth = { 1, 2, 5 };
int[] bandwidthCount = { 0, 0, 0 };
int nPacket = 0;
BandwidthControlBuffer controller = ConstructBandwidthController(bandwidth);
for (int i = 0; i < totalPacket; i++)
{
controller.Enqueue(NewPacket(r.Next(1, 64), 0), 0);
controller.Enqueue(NewPacket(r.Next(1, 64), 1), 1);
controller.Enqueue(NewPacket(r.Next(1, 64), 2), 2);
}
for (int i = 0; i < totalPacket * 3 / 4; i++)
{
Packet next = controller.Dequeue();
bandwidthCount[next.Data.ID] += next.GetLength();
nPacket++;
}
if (totalPacket > 10000)
{
Assert.AreEqual((double)bandwidthCount[0] / bandwidthCount[1], (double)bandwidth[0] / bandwidth[1], 0.1);
Assert.AreEqual((double)bandwidthCount[2] / bandwidthCount[1], (double)bandwidth[2] / bandwidth[1], 0.1);
}
testContextInstance.WriteLine("Actural bandwidth: " + string.Join(", ", bandwidthCount));
while (controller.Peek() != null)
{
controller.Dequeue();
nPacket++;
}
Assert.AreEqual(nPacket, totalPacket * 3);
}
public void TestBandwidthControllerTooHighPriority()
{
BandwidthControlBuffer controller = ConstructBandwidthController();
controller.Enqueue(NewPacket(1, 3), 3);
}
