public void TestIfItCanSortAnArray()
{
// Arrange
int[] data = new int[] { 1, 4, 3, 2 };
int[] expected = data.OrderByDescending(n => n).ToArray();
IEnumerable <PipeNode> nodes = GetConnectedPipes(4);
ISocket masterRecv = TestHelper.GetSocket();
ISocket masterSend = TestHelper.GetSocket();
PipeNode firstPipe = nodes.ElementAt(0);
Connect(sender: masterSend, to: firstPipe.GetReceiverFromLeft());
Connect(sender: firstPipe.GetSenderToLeft(), to: masterRecv);
PipeMaster master = TestHelper.GetPipeMaster(masterSend, masterRecv);
// Act
int count = 0;
nodes.ToList().ForEach(n => n.Start(count++, 4));
int[] actual = master.Sort(data);
// Assert
Verify.That(actual).IsEqualTo(expected).Now();
// Reset
}
public void TestIfItCanSortNumbers()
{
// Arrange
ManualResetEvent waitForLeft = new ManualResetEvent(false);
ManualResetEvent waitForRight = new ManualResetEvent(false);
int[] dataFromLeft = new int[] { 1, 3, 2 };
int leftRecvIndex = 0;
int[] dataFromRight = new int[] { 2, 1 };
int rightRecvIndex = 0;
int[] expectedSentToRight = new int[] { 1, 2 };
int[] expectedSentToLeft = new int[] { 3, 2, 1 };
PipeNode target = GetPipeNode();
ISocket senderToRight = target.GetSenderToRight();
ISocket receiverFromLeft = target.GetReceiverFromLeft();
ISocket receiverFromRight = target.GetReceiverFromRight();
ISocket senderToLeft = target.GetSenderToLeft();
receiverFromLeft.Recv(Arg.Any <int>()).Returns(call =>
{
if (leftRecvIndex == dataFromLeft.Length)
{
waitForLeft.Set();
Thread.Sleep(call.Arg <int>() + 1);
return(new byte[] { 0, 0, 0, 0 });
}
return(BitConverter.GetBytes(dataFromLeft[leftRecvIndex++]));
});
receiverFromRight.Recv(Arg.Any <int>()).Returns(call =>
{
if (leftRecvIndex == dataFromLeft.Length)
{
if (rightRecvIndex < dataFromRight.Length)
{
return(BitConverter.GetBytes(dataFromRight[rightRecvIndex++]));
}
else
{
waitForRight.Set();
Thread.Sleep(call.Arg <int>() + 1);
}
}
else
{
waitForLeft.WaitOne();
Thread.Sleep(call.Arg <int>() + 1);
}
return(new byte[] { 0, 0, 0, 0 });
});
int expectedKept = 3;
int actualKept = -1;
// Act
target.Start(0, 3);
waitForRight.WaitOne();
// Assert
var actualSentToRight = senderToRight.GetSentIntArray();
var actualSentToLeft = senderToLeft.GetSentIntArray();
actualKept = target.GetKept();
Verify.That(actualKept).IsEqualTo(expectedKept, "Bad expected number kept").Now();
Verify.That(actualSentToRight).IsEqualTo(expectedSentToRight, "Bad expected sent to right numbers").Now();
Verify.That(actualSentToLeft).IsEqualTo(expectedSentToLeft, "Bad expected sent to left numbers.").Now();
// Reset
}