public void NoMessageEnqued_DequeueOrNull_returnsNull()
{
var queue = new ReceivePduQueue();
var result = queue.DequeueOrNull();
Assert.IsNull(result);
}
public void UndoneHeadEnqued_DequeueOrNull_returnsNull()
{
var queue = new ReceivePduQueue();
queue.Enqueue(new byte[2] {
1, 2
});
var result = queue.DequeueOrNull();
Assert.IsNull(result);
}
public void UndoneMessageEnqued_DequeueOrNull_returnsNull()
{
byte[] array = new byte[] { 1, 2, 3, 4, 5, 6, 7 };
var message = CreateMessageForSend(array);
var queue = new ReceivePduQueue();
Array.Resize(ref message, 5);
queue.Enqueue(message);
var result = queue.DequeueOrNull();
Assert.IsNull(result);
}
public void EmptyMessage_DissasemblesAndCollects_byOnePacket()
{
var message = CreateMessageForSend(new byte[0]);
var queue = new ReceivePduQueue();
queue.Enqueue(message);
var result = queue.DequeueOrNull();
Assert.IsNotNull(result);
Assert.IsEmpty(result.ToArray());
}
public void NonEmptyMessage_DissasemblesAndCollects_byOnePacket()
{
byte[] array = new byte[] { 1, 2, 3, 4, 5, 6, 7 };
var message = CreateMessageForSend(array);
var queue = new ReceivePduQueue();
queue.Enqueue(message);
var result = queue.DequeueOrNull();
Assert.IsNotNull(result);
CollectionAssert.AreEqual(array, result.ToArray());
}
public void EmptyMessage_DissasemblesAndCollects_ByteByByte()
{
var queue = new ReceivePduQueue();
var message = CreateMessageForSend(new byte[0]);
foreach (var b in message)
{
queue.Enqueue(new byte[] { b });
}
var result = queue.DequeueOrNull();
Assert.IsNotNull(result);
Assert.IsEmpty(result.ToArray());
}
public void TwoNonEmptyMessages_DissasembledAndCollectedbyOnePacket_FirstCollectedWell()
{
byte[] array1 = new byte[] { 1, 2, 3, 4, 5, 6, 7 };
byte[] array2 = new byte[] { 5, 3, 0, 1, 2, 3, 4, 5, 6, 7 };
var message1 = CreateMessageForSend(array1);
var message2 = CreateMessageForSend(array2);
var queue = new ReceivePduQueue();
queue.Enqueue(message1.Concat(message2).ToArray());
var result = queue.DequeueOrNull();
Assert.IsNotNull(result);
CollectionAssert.AreEqual(array1, result.ToArray());
}
public void TwoNonEmptyMessages_DissasemblesAndCollectsByteByByte_SecondCollectedWell()
{
byte[] array1 = new byte[] { 1, 2, 3, 4, 5, 6, 7 };
byte[] array2 = new byte[] { 5, 3, 0, 1, 2, 3, 4, 5, 6, 7 };
var message1 = CreateMessageForSend(array1);
var message2 = CreateMessageForSend(array2);
var queue = new ReceivePduQueue();
foreach (var b in message1.Concat(message2))
{
queue.Enqueue(new byte[] { b });
}
queue.DequeueOrNull();
var result = queue.DequeueOrNull();
Assert.IsNotNull(result);
CollectionAssert.AreEqual(array2, result.ToArray());
}