Function make_url

cpp/src/container_test.cpp:47–51

namespace {

std::string make_url(std::string host, int port) {
    std::ostringstream url;
    url << "//" << host << ":" << port;
    return url.str();
}

struct test_listen_handler : public proton::listen_handler {
    bool on_open_, on_accept_, on_close_;