public async Task TestPacketWriteDouble() { const int size = sizeof(double); var packet = new MutablePacket(); packet.WriteDouble(55.0); var bytes = packet.Lock(); Assert.IsTrue(bytes.Length >= size, "Failed to write double to packet"); if (packet.Locked) { var task = new Task(() => packet.WriteDouble(2425.1246435)); task.Start(); Assert.IsTrue(await TaskTimesOut(TimeSpan.FromSeconds(2), task), "Packet reported being locked after locking but was still mutable"); } else { bytes[0] = 97; var newBytes = packet.Lock(); if (bytes[0] != newBytes[0]) Assert.Fail("Packet reported not being locked but the buffer was returned by reference not copy. Return a full copy of the buffer if you wish to unlock else ensure you set the buffer to a locked state when Lock() is called."); } }