Function check

extras/tests/MsgPackSerializer/misc.cpp:6–13

template <typename T>
void check(T value, const std::string& expected) {
  JsonDocument doc;
  doc.to<JsonVariant>().set(value);
  char buffer[256] = "";
  size_t returnValue = serializeMsgPack(doc, buffer, sizeof(buffer));
  REQUIRE(expected == buffer);
  REQUIRE(expected.size() == returnValue);
}

TEST_CASE("serializeMsgPack(MemberProxy)") {
  JsonDocument doc;