[protobuf] ProtoBuf: passing empty arrays

[Aleksey Fedorov]

Hi, guys!

I'm unable to serialize an object with empty array using ProtoBuf.

[ProtoContract]
internal class Tst
{
        [ProtoMember(1)]
        public int ValInt
        {
                get;
                set;
        }

        [ProtoMember(2)]
        public byte[] ArrayData
        {
                get;
                set;
        }

        [ProtoMember(3)]
        public string Str1
        {
                get;
                set;
        }
}
-------------------------------
Tst t = new Tst();
t.ValInt = 128;
t.Str1 = "SOme string text value ttt";
t.ArrayData = new byte[]{};

MemoryStream stm = new MemoryStream();
Serializer.Serialize(stm, t);
Console.WriteLine(stm.Length);

Serializer throws exception: "Cannot write a String header until the
String data has been written"

It works fine if ArrayData is a null ref. or a ref to a non-empty
array.

Is there a proper way to pass a empty array?

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