import vibe.core.core; import vibe.core.log : logInfo; import vibe.core.net; import core.time : msecs; import std.datetime : Clock, UTC; shared static this() { auto udp = listenUDP(11429, "127.0.0.1"); runTask({ sleep(500.msecs); assert(false, "Receive call did not return in a timely manner. Killing process."); }); runTask({ auto start = Clock.currTime(UTC()); try { udp.recv(100.msecs); assert(false, "Timeout did not occur."); } catch (Exception e) { auto duration = Clock.currTime(UTC()) - start; assert(duration >= 99.msecs, "Timeout occurred too early"); assert(duration >= 99.msecs && duration < 150.msecs, "Timeout occurred too late."); logInfo("UDP receive timeout test was successful."); exitEventLoop(); } }); }