/// <summary>
/// Receive set of chunks.
/// </summary>
/// <param name="chunks">Received chunks.</param>
/// <param name="receiver">UdpChunkReceiver instance.</param>
/// <returns>Flag indicating whether last chunk signaled completion.</returns>
private static bool ReceiveChunks(IEnumerable <byte[]> chunks, DataUnchunker receiver)
{
var completions = chunks.Select(c => receiver.Receive(c)).ToList();
Assert.IsTrue(completions.Count(_ => _) <= 1, "Multiple completions.");
return(completions.Last());
}
/// <summary>
/// Run through a scenario and validate results.
/// </summary>
/// <param name="rawData">Raw data for this scenario.</param>
/// <param name="chunks">Chunks for this scenario.</param>
/// <param name="numChunks">Number of expected chunks.</param>
/// <param name="complete">Whether to expect completion.</param>
/// <param name="numChunkSets">Number of expected sets of chunks.</param>
/// <param name="numAbandoned">Number of expected abandoned datagrams.</param>
private static void VerifyReceive(byte[] rawData, IEnumerable <byte[]> chunks, int numChunks, bool complete, int numChunkSets, int numAbandoned)
{
int chunksets = 0;
int abandoned = 0;
var receiver = new DataUnchunker(MaxDatagramSize, id => { chunksets++; }, id => { abandoned++; });
Assert.AreEqual <int>(numChunks, chunks.Count());
Assert.AreEqual <bool>(complete, ReceiveChunks(chunks, receiver));
Assert.AreEqual <int>(numChunkSets, chunksets);
Assert.AreEqual <int>(numAbandoned, abandoned);
if (rawData != null)
{
VerifyData(rawData, receiver.Payload, receiver.Length);
}
}
