public void Setup()
{
_packet = new MqttPublishPacket
{
Topic = "A"
};
var serializer = new MqttPacketFormatterAdapter(MqttProtocolVersion.V311);
var serializedPacket = Join(serializer.Encode(_packet));
_iterations = 10000;
_stream = new MemoryStream(_iterations * serializedPacket.Length);
for (var i = 0; i < _iterations; i++)
{
_stream.Write(serializedPacket, 0, serializedPacket.Length);
}
_stream.Position = 0;
var channel = new TestMqttChannel(_stream);
_channelAdapter = new MqttChannelAdapter(channel, serializer, new MqttNetLogger());
}
public void TestTryDeserialize()
{
var serializer = new MqttPacketFormatterAdapter(MqttProtocolVersion.V311, new MqttBufferWriter(4096, 65535));
var buffer = serializer.Encode(new MqttPublishPacket {
Topic = "a", Payload = new byte[5]
}).Join();
var sequence = new ReadOnlySequence <byte>(buffer.Array, buffer.Offset, buffer.Count);
var part = sequence;
MqttPacket packet;
var consumed = part.Start;
var observed = part.Start;
var result = false;
var read = 0;
part = sequence.Slice(sequence.Start, 0); // empty message should fail
result = serializer.TryDecode(part, out packet, out consumed, out observed, out read);
Assert.IsFalse(result);
part = sequence.Slice(sequence.Start, 1); // partial fixed header should fail
result = serializer.TryDecode(part, out packet, out consumed, out observed, out read);
Assert.IsFalse(result);
part = sequence.Slice(sequence.Start, 4); // partial body should fail
result = serializer.TryDecode(part, out packet, out consumed, out observed, out read);
Assert.IsFalse(result);
part = sequence; // complete msg should work
result = serializer.TryDecode(part, out packet, out consumed, out observed, out read);
Assert.IsTrue(result);
}