private void TestModeForInvokeSend(IEnumerable <byte> _data, XModemProtocol.XModemMode mode)
{
IInvoker invoker = new InvokeSend();
var cts = new CancellationTokenSource();
var communicator = new ComSendCollection();
IContext context = new Context {
Token = cts.Token,
Communicator = communicator,
Mode = mode,
};
var expectedData = new List <List <byte> >(context.Packets);
expectedData.Add(new List <byte> {
context.Options.EOT
});
communicator.BytesToSend = new List <byte> {
context.Options.ACK
};
communicator.BytesRead = new List <List <byte> >();
invoker.Invoke(context);
Assert.AreEqual(expectedData, communicator.BytesRead);
}
public void NAKResendTest()
{
var cts = new CancellationTokenSource();
var communicator = new ComSendCollection();
IInvoker invoker = new InvokeSend();
IContext context = new Context {
Communicator = communicator,
Token = cts.Token,
};
context.Data = _randomDataGenerator.GetRandomData(10000).ToList();
// Construct responses.
// 1). Refuse first packet twice before accepting.
// 2). Refuse second packet.
// 3). Send non-sensical byte.
// 4). Send cancellation request.
var nakCollection = new List <byte> {
context.Options.NAK
};
var ackCollection = new List <byte> {
context.Options.ACK
};
var canCollection = Enumerable.Repeat(context.Options.CAN, context.Options.CancellationBytesRequired);
communicator.CollectionToSend = new List <List <byte> > {
nakCollection,
nakCollection,
ackCollection,
nakCollection,
new List <byte> {
context.Options.SUB
},
canCollection.ToList()
};
// Construct expected data to be received.
// 1). First packet should be sent thrice.
// 2). Second packet should be sent twice.
var expectedData = new List <List <byte> >();
for (int i = 0; i < 3; i++)
{
expectedData.Add(context.Packets[0]);
}
for (int i = 0; i < 2; i++)
{
expectedData.Add(context.Packets[1]);
}
bool excThrown = false;
try {
communicator.BytesRead = new List <List <byte> >();
invoker.Invoke(context);
}
catch (XModemProtocolException ex) {
excThrown = ex.AbortArgs.Reason == XModemProtocol.XModemAbortReason.CancellationRequestReceived;
}
Assert.IsTrue(excThrown);
Assert.AreEqual(expectedData, communicator.BytesRead);
}
