[Modify] Re-throw it

websocket-sharp/Net/CookieCollection.cs

@@ -554,9 +554,14 @@ namespace WebSocketSharp.Net
 
     internal static CookieCollection Parse (string value, bool response)
     {
-      return response
+      try {
-             ? parseResponse (value)
+        return response
-             : parseRequest (value);
+               ? parseResponse (value)
+               : parseRequest (value);
+      }
+      catch (Exception ex) {
+        throw new CookieException ("It could not be parsed.", ex);
+      }
     }
 
     internal void SetOrRemove (Cookie cookie)