test.cpp

// Copyright 2011-2023:
//   GobySoft, LLC (2013-)
//   Massachusetts Institute of Technology (2007-2014)
//   Community contributors (see AUTHORS file)
// File authors:
//   Toby Schneider <toby@gobysoft.org>
//   Chris Murphy <cmurphy@aphysci.com>
//
//
// 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/>.
// tests all protobuf types with _default codecs, repeat and non repeat
 
#include <fstream>
 
#include <google/protobuf/descriptor.pb.h>
 
#include "../../binary.h"
#include "../../codec.h"
#include "test.pb.h"
using namespace dccl::test;
 
void decode_check(const std::string& encoded);
dccl::Codec codec;
TestMsg msg_in;
 
int main(int /*argc*/, char* /*argv*/ [])
{
    dccl::dlog.connect(dccl::logger::ALL, &std::cerr);
 
    int i = 0;
    msg_in.set_double_default_optional(++i + 0.1);
    msg_in.set_float_default_optional(++i + 0.2);
 
    msg_in.set_int32_default_optional(++i);
    msg_in.set_int64_default_optional(-++i);
    msg_in.set_uint32_default_optional(++i);
    msg_in.set_uint64_default_optional(++i);
    msg_in.set_sint32_default_optional(-++i);
    msg_in.set_sint64_default_optional(++i);
    msg_in.set_fixed32_default_optional(++i);
    msg_in.set_fixed64_default_optional(++i);
    msg_in.set_sfixed32_default_optional(++i);
    msg_in.set_sfixed64_default_optional(-++i);
 
    msg_in.set_bool_default_optional(true);
 
    msg_in.set_string_default_optional("abc123");
    msg_in.set_bytes_default_optional(dccl::hex_decode("00112233aabbcc1234"));
 
    msg_in.set_enum_default_optional(ENUM_C);
    msg_in.mutable_msg_default_optional()->set_val(++i + 0.3);
    msg_in.mutable_msg_default_optional()->mutable_msg()->set_val(++i);
 
    msg_in.set_double_default_required(++i + 0.1);
    msg_in.set_float_default_required(++i + 0.2);
 
    msg_in.set_int32_default_required(++i);
    msg_in.set_int64_default_required(-++i);
    msg_in.set_uint32_default_required(++i);
    msg_in.set_uint64_default_required(++i);
    msg_in.set_sint32_default_required(-++i);
    msg_in.set_sint64_default_required(++i);
    msg_in.set_fixed32_default_required(++i);
    msg_in.set_fixed64_default_required(++i);
    msg_in.set_sfixed32_default_required(++i);
    msg_in.set_sfixed64_default_required(-++i);
 
    msg_in.set_bool_default_required(true);
 
    msg_in.set_string_default_required("abc123");
    msg_in.set_bytes_default_required(dccl::hex_decode("00112233aabbcc1234"));
 
    msg_in.set_enum_default_required(ENUM_C);
    msg_in.mutable_msg_default_required()->set_val(++i + 0.3);
    msg_in.mutable_msg_default_required()->mutable_msg()->set_val(++i);
 
    for (int j = 0; j < 2; ++j)
    {
        msg_in.add_double_default_repeat(++i + 0.1);
        msg_in.add_float_default_repeat(++i + 0.2);
 
        msg_in.add_int32_default_repeat(++i);
        msg_in.add_int64_default_repeat(-++i);
        msg_in.add_uint32_default_repeat(++i);
        msg_in.add_uint64_default_repeat(++i);
        msg_in.add_sint32_default_repeat(-++i);
        msg_in.add_sint64_default_repeat(++i);
        msg_in.add_fixed32_default_repeat(++i);
        msg_in.add_fixed64_default_repeat(++i);
        msg_in.add_sfixed32_default_repeat(++i);
        msg_in.add_sfixed64_default_repeat(-++i);
 
        msg_in.add_bool_default_repeat(true);
 
        msg_in.add_string_default_repeat("abc123");
 
        if (j)
            msg_in.add_bytes_default_repeat(dccl::hex_decode("00aabbcc"));
        else
            msg_in.add_bytes_default_repeat(dccl::hex_decode("ffeedd12"));
 
        msg_in.add_enum_default_repeat(static_cast<Enum1>((++i % 3) + 1));
        EmbeddedMsg1* em_msg = msg_in.add_msg_default_repeat();
        em_msg->set_val(++i + 0.3);
        em_msg->mutable_msg()->set_val(++i);
    }
 
    codec.info(msg_in.GetDescriptor());
 
    std::ofstream fout("/tmp/testmessage.pb");
    msg_in.SerializeToOstream(&fout);
 
    std::cout << "Message in:\n" << msg_in.DebugString() << std::endl;
 
    codec.load(msg_in.GetDescriptor());
 
    std::cout << "Try encode..." << std::endl;
    std::string bytes;
    codec.encode(&bytes, msg_in);
    std::cout << "... got bytes (hex): " << dccl::hex_encode(bytes) << std::endl;
 
    std::cout << "Try decode..." << std::endl;
    decode_check(bytes);
 
    // make sure DCCL defaults stay wire compatible
 
    // v4
    decode_check(
        dccl::hex_decode("047f277b16b95660c0b0188000d8c0132858800008005b98d8588ccccc0488109951dd659"
                         "6a079fd8c7905d01a29015a99800738012eb880010ee0052d4c6c2c466626012244665477"
                         "9925682c55335e8158e310b1127e1d4858fab84454a3104ca2983214c4e7a22ad164aae96"
                         "41373bd69314c6c2c8661626331e2bf7bb70401547799a5ea29b51942f5b7a91600"));
 
    // run a bunch of tests with random strings
    std::string random = bytes;
    for (unsigned i = 0; i < 10; ++i)
    {
        random[(rand() % (bytes.size() - 1) + 1)] = rand() % 256;
        std::cout << "Using junk bytes: " << dccl::hex_encode(random) << std::endl;
 
        try
        {
            TestMsg msg_out;
            codec.decode(random, &msg_out);
        }
        catch (dccl::Exception&)
        {
        }
    }
 
    // test verbose encode errors output
    TestMsg empty;
    try
    {
        std::string dummy;
        codec.encode(&bytes, empty);
    }
    catch (const dccl::Exception& e)
    {
        // expected long error
        std::cout << "Expected verbose error encoding empty message: " << e.what() << std::endl;
    }
 
    std::cout << "all tests passed" << std::endl;
}
 
void decode_check(const std::string& encoded)
{
    TestMsg msg_out;
    codec.decode(encoded, &msg_out);
 
    std::cout << "... got Message out:\n" << msg_out.DebugString() << std::endl;
 
    // truncate to "max_length" as codec should do
    msg_in.set_string_default_repeat(0, "abc1");
    msg_in.set_string_default_repeat(1, "abc1");
 
    assert(msg_in.SerializeAsString() == msg_out.SerializeAsString());
}