public void SizePrefixedBytesWorks()
{
var pw = new PaddedWrapper();
var data1 = new byte[10];
var data2 = new byte[10];
Array.Fill(data1, (byte)0xFF);
Array.Fill(data2, (byte)0x11);
var spb = new SizePrefixedBytes();
var spb2 = new SizePrefixedBytes();
spb.data = new byte[10 + sizeof(int)];
spb2.data = new byte[10 + sizeof(int)];
BitConverter.TryWriteBytes(spb.data, 10);
BitConverter.TryWriteBytes(spb2.data, 10);
Array.Copy(data1, 0, spb.data, sizeof(int), data1.Length);
Array.Copy(data2, 0, spb2.data, sizeof(int), data1.Length);
if (!pw.CanPackIn(spb2.data))
{
pw = pw.CopyToBigger(spb2.data.Length);
}
pw.initFrom(spb);
pw.PackIn(spb2.data);
}
public static unsafe SizePrefixedBytes ToSizePrefixedBytes(this Map attrs)
{
var maxLen = Map.Serializer.GetMaxSize(attrs);
// don't stack alloc if it's big
Span <byte> buff = maxLen > (0x10000)
?new byte[maxLen + sizeof(int)]
: stackalloc byte[maxLen + sizeof(int)];
var actSize = Map.Serializer.Write(buff.Slice(sizeof(int)), attrs);
MemoryMarshal.Write(buff, ref actSize);
var spb = new SizePrefixedBytes();
spb.data = buff.Slice(0, actSize + sizeof(int)).ToArray();
return(spb);
}