test.proto

// Copyright 2024:
//   GobySoft, LLC (2013-)
//   Community contributors (see AUTHORS file)
// File authors:
//   Toby Schneider <toby@gobysoft.org>
//
//
// This file is part of the Dynamic Compact Control Language Library
// ("DCCL").
//
// DCCL is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 2.1 of the License, or
// (at your option) any later version.
//
// DCCL is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with DCCL.  If not, see <http://www.gnu.org/licenses/>.
syntax = "proto2";
import "dccl/option_extensions.proto";
package dccl.test;
 
// Tests for min_length with VarBytesCodec (bytes fields and v4 strings)
message MinLengthMsg
{
    option (dccl.msg) = {
        id: 20
        max_bytes: 64
        codec_version: 4
    };
 
    // required bytes with min_length=4, max_length=10
    required bytes req_bytes = 1
        [(dccl.field) = { min_length: 4 max_length: 10 codec: "dccl.var_bytes" }];
    // optional bytes with min_length=2, max_length=8
    optional bytes opt_bytes = 2
        [(dccl.field) = { min_length: 2 max_length: 8 codec: "dccl.var_bytes" }];
 
    // v4 string field uses VarBytesCodec — min_length savings apply
    optional string str_field = 3
        [(dccl.field) = { min_length: 3 max_length: 10 }];
}
 
// min_length == max_length (fixed-size bytes)
message FixedLengthMsg
{
    option (dccl.msg) = {
        id: 21
        max_bytes: 32
        codec_version: 4
    };
 
    required bytes fixed_bytes = 1
        [(dccl.field) = { min_length: 5 max_length: 5 codec: "dccl.var_bytes" }];
}
 
// Invalid: min_length > max_length — should fail to load
message InvalidMinLengthMsg
{
    option (dccl.msg) = {
        id: 22
        max_bytes: 32
        codec_version: 4
    };
 
    required bytes bad_bytes = 1
        [(dccl.field) = { min_length: 10 max_length: 5 codec: "dccl.var_bytes" }];
}