compat.uwebsockets

// Behavioral test: instantiate the server templates and bind a real port.
//
// The risk in a header-only package layered on a C library is not "does the
// header exist" — it is whether the templates instantiate over the C types as
// the library was actually built, which only the CONSUMER's compile can answer.
// Registering routes instantiates HttpContext/HttpResponse/HttpRequest over
// us_socket_t, and `listen` walks all the way down to a bound socket.
#include <App.h>

#include <cassert>
#include <string>

int main() {
    bool bound = false;
    int chosen_port = 0;

    uWS::App app;

    // Two route shapes and a websocket behavior: each instantiates a different
    // corner of the template stack.
    app.get("/ping", [](auto* res, auto* /*req*/) {
        res->end("pong");
// …