Function throwOnError

deps/cpp-statsd-client/tests/testStatsdClient.cpp:35–40

template <typename SocketWrapper>
void throwOnError(const SocketWrapper& wrapped, bool expectEmpty = true, const std::string& extraMessage = "") {
    if (wrapped.errorMessage().empty() != expectEmpty) {
        std::cerr << (expectEmpty ? wrapped.errorMessage() : extraMessage) << std::endl;
        throw std::runtime_error(expectEmpty ? wrapped.errorMessage() : extraMessage);
    }
}

void throwOnWrongMessage(StatsdServer& server, const std::string& expected) {
    auto actual = server.receive();