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// Copyright 2013-2025 Daniel Parker
// Distributed under Boost license
#if defined(_MSC_VER)
#include "windows.h" // test no inadvertant macro expansions
#endif
#include <jsoncons_ext/msgpack/msgpack.hpp>
#include <jsoncons/json.hpp>
#include <sstream>
#include <vector>
#include <utility>
#include <ctime>
#include <limits>
#include <catch/catch.hpp>
using namespace jsoncons;
TEST_CASE("serialize array to msgpack")
{
std::vector<uint8_t> v;
msgpack::msgpack_bytes_encoder encoder(v);
//encoder.begin_object(1);
encoder.begin_array(3);
encoder.bool_value(true);
encoder.bool_value(false);
encoder.null_value();
encoder.end_array();
//encoder.end_object();
encoder.flush();
json result;
REQUIRE_NOTHROW(result = msgpack::decode_msgpack<json>(v));
}
TEST_CASE("serialize object to msgpack")
{
SECTION("definite length")
{
std::vector<uint8_t> v;
msgpack::msgpack_bytes_encoder encoder(v);
encoder.begin_object(2);
encoder.uint64_value(1);
encoder.string_value("value1");
encoder.uint64_value(2);
encoder.string_value("value2");
REQUIRE_NOTHROW(encoder.end_object());
encoder.flush();
json result;
REQUIRE_NOTHROW(result = msgpack::decode_msgpack<json>(v));
}
}
TEST_CASE("Too many and too few items in MessagePack object or array")
{
std::vector<uint8_t> v;
msgpack::msgpack_bytes_encoder encoder(v);
SECTION("Too many items in array")
{
encoder.begin_array(3);
encoder.bool_value(true);
encoder.bool_value(false);
encoder.null_value();
encoder.begin_array(2);
encoder.string_value("cat");
encoder.string_value("feline");
encoder.end_array();
REQUIRE_THROWS_WITH(encoder.end_array(), msgpack::msgpack_error_category_impl().message((int)msgpack::msgpack_errc::too_many_items).c_str());
encoder.flush();
}
SECTION("Too few items in array")
{
encoder.begin_array(5);
encoder.bool_value(true);
encoder.bool_value(false);
encoder.null_value();
encoder.begin_array(2);
encoder.string_value("cat");
encoder.string_value("feline");
encoder.end_array();
REQUIRE_THROWS_WITH(encoder.end_array(), msgpack::msgpack_error_category_impl().message((int)msgpack::msgpack_errc::too_few_items).c_str());
encoder.flush();
}
SECTION("Too many items in object")
{
encoder.begin_object(3);
encoder.key("a");
encoder.bool_value(true);
encoder.key("b");
encoder.bool_value(false);
encoder.key("c");
encoder.null_value();
encoder.key("d");
encoder.begin_array(2);
encoder.string_value("cat");
encoder.string_value("feline");
encoder.end_array();
REQUIRE_THROWS_WITH(encoder.end_object(), msgpack::msgpack_error_category_impl().message((int)msgpack::msgpack_errc::too_many_items).c_str());
encoder.flush();
}
SECTION("Too few items in object")
{
encoder.begin_object(5);
encoder.key("a");
encoder.bool_value(true);
encoder.key("b");
encoder.bool_value(false);
encoder.key("c");
encoder.null_value();
encoder.key("d");
encoder.begin_array(2);
encoder.string_value("cat");
encoder.string_value("feline");
encoder.end_array();
REQUIRE_THROWS_WITH(encoder.end_object(), msgpack::msgpack_error_category_impl().message((int)msgpack::msgpack_errc::too_few_items).c_str());
encoder.flush();
}
}
struct msgpack_bytes_encoder_reset_test_fixture
{
std::vector<uint8_t> output1;
std::vector<uint8_t> output2;
msgpack::msgpack_bytes_encoder encoder;
msgpack_bytes_encoder_reset_test_fixture() : encoder(output1) {}
std::vector<uint8_t> bytes1() const {return output1;}
std::vector<uint8_t> bytes2() const {return output2;}
};
struct msgpack_stream_encoder_reset_test_fixture
{
std::ostringstream output1;
std::ostringstream output2;
msgpack::msgpack_stream_encoder encoder;
msgpack_stream_encoder_reset_test_fixture() : encoder(output1) {}
std::vector<uint8_t> bytes1() const {return bytes_of(output1);}
std::vector<uint8_t> bytes2() const {return bytes_of(output2);}
private:
static std::vector<uint8_t> bytes_of(const std::ostringstream& os)
{
auto str = os.str();
auto data = reinterpret_cast<const uint8_t*>(str.data());
std::vector<uint8_t> bytes(data, data + str.size());
return bytes;
}
};
TEMPLATE_TEST_CASE("test_msgpack_encoder_reset", "",
msgpack_bytes_encoder_reset_test_fixture,
msgpack_stream_encoder_reset_test_fixture)
{
using fixture_type = TestType;
fixture_type f;
std::vector<uint8_t> expected_partial =
{
0x92, // array(2)
0xa3, // fixstr(3)
0x66, 0x6F, 0x6F // "foo"
// second element missing
};
std::vector<uint8_t> expected_full =
{
0x92, // array(2)
0xa3, // fixstr(3)
0x66, 0x6F, 0x6F, // "foo"
0x2A // positive fixint(42)
};
std::vector<uint8_t> expected_partial_then_full(expected_partial);
expected_partial_then_full.insert(expected_partial_then_full.end(),
expected_full.begin(), expected_full.end());
// Parially encode, reset, then fully encode to same sink
f.encoder.begin_array(2);
f.encoder.string_value("foo");
f.encoder.flush();
CHECK(f.bytes1() == expected_partial);
f.encoder.reset();
f.encoder.begin_array(2);
f.encoder.string_value("foo");
f.encoder.uint64_value(42);
f.encoder.end_array();
f.encoder.flush();
CHECK(f.bytes1() == expected_partial_then_full);
// Reset and encode to different sink
f.encoder.reset(f.output2);
f.encoder.begin_array(2);
f.encoder.string_value("foo");
f.encoder.uint64_value(42);
f.encoder.end_array();
f.encoder.flush();
CHECK(f.bytes2() == expected_full);
}
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