diff --git a/filtered_router_test.go b/filtered_router_test.go
index cd670ed..5112442 100644
--- a/filtered_router_test.go
+++ b/filtered_router_test.go
@@ -12,6 +12,9 @@ import (
 
 func TestFilteredRouterJustCreated(t *testing.T) {
 
+	randomness := rand.New(rand.NewSource( time.Now().UTC().UnixNano() ))
+
+
 	router := NewFilteredRouter(NewDiscardRouter(), func(string, map[string]interface{}) bool {
 		return false
 	})
@@ -19,6 +22,16 @@ func TestFilteredRouterJustCreated(t *testing.T) {
 		t.Errorf("After trying to create a filtered router, expected it to be not nil, but was: %v", router)
 	}
 
+
+	message := fmt.Sprint("%x", randomness.Int63n(9999999999))
+
+	context := make(map[string]interface{})
+	limit := randomness.Int63n(30)
+	for i:=int64(0); i<limit; i++ {
+		context[ fmt.Sprintf("%x", randomness.Int63n(1000*limit)) ] = fmt.Sprintf("%x", randomness.Int63n(999999999999999))
+	}
+
+	router.Route(message, context) // Just make sure it doesn't panic or deadlok, by calling this.
 }