tests/regression/issue_617/oneof.proto

syntax = "proto3";

message DecodesOK 
{
    uint32          a   = 1;
    uint32          b   = 2;
}

message NoDecode
{
    string          name = 1;
}

message TestMessage
{
    enum MessageType
    {
        A   = 0;
        B   = 1;
        C   = 2;
    }

    MessageType     messageType = 1;
    uint32          x           = 2;
    uint32          y           = 3;
    uint32          ip1         = 4;

    oneof payload
    {
        DecodesOK       pla5    = 5;
        DecodesOK       pla6    = 6;
        DecodesOK       pla7    = 7;
        DecodesOK       pla8    = 8;
        DecodesOK       pla9    = 9;
        DecodesOK       pla10   = 10;
        NoDecode        plb11   = 12;
    }

    uint32          ip2         = 11;
}