using System.IO; using System.Threading; using Microsoft.VisualStudio.TestTools.UnitTesting; using MQTTnet.Core.Serializer; namespace MQTTnet.Core.Tests { [TestClass] public class MqttPacketReaderTests { [TestMethod] public void MqttPacketReader_EmptyStream() { var memStream = new MemoryStream(); var header = MqttPacketReader.ReadHeaderFromSource(memStream, CancellationToken.None); Assert.IsNull(header); } } }