fix listen event bug

example/greeting.cc

@@ -9,9 +9,10 @@ int main()
 {
     xs::ExchangeServer server("greeting", {}, {}, 0, nullptr);
     server.onCmd(
-        "GetGreetingMessage",
+        "GetMessage",
         [&server](const std::string&, const std::string&) {
             const auto name = server.runCmd("GetName", "");
+            server.postEvent("NotifyGetMessage", "");
             return "Hello, " + name + "!";
         }
     );

example/greeting.json

@@ -3,14 +3,17 @@
         {
             "command": "GetName",
             "response": "Master"
+        },
+        {
+            "event": "NotifyGetMessage"
         }
     ],
     "script": [
         {
-            "command": "GetGreetingMessage",
+            "command": "GetMessage",
             "expect": "Hello, Master!",
             "runs": ["GetName"],
-            "posts": []
+            "posts": ["NotifyGetMessage"]
         }
     ]
 }

src/test/Tester.cc

@@ -106,9 +106,6 @@ std::string Tester::onCommand(const std::string& name, const std::string& params
 
 void Tester::onEvent(const std::string& name, const std::string& params) noexcept
 {
-    const auto found = acceptEvents_.find(name);
-    const auto* service = std::get<1>(*found);
-
     receivedEventCount_[name]++;
 }
 
@@ -118,6 +115,11 @@ void Tester::run() noexcept
         resetCounters();
 
         const auto response = server_.runCmd(expectation.name_, "");
+
+        // wait 100ms for upcoming events
+        using namespace std::chrono_literals;
+        std::this_thread::sleep_for(100ms);
+
         const auto report = createReport(response, expectation);
 
         if (report.pass) {