added error check for parse_dm_window function

src/users/broker.cpp

@@ -127,7 +127,7 @@ Broker::Broker(rapidjson::Document *user_description_file)
             else  if (category == "dm_user_multi_behavior"){
                 PPK_ASSERT_ERROR(
                     dm_window || red_windows_list || yellow_windows_list,
-                    "One of these 3 fiels should be defined to use dm_user_multi_behavior"
+                    "One of these 3 fields should be defined to use dm_user_multi_behavior"
                     " 'dm_windows' 'red_windows', 'yellow_windows' "
                 );
                 PPK_ASSERT_ERROR(
@@ -280,19 +280,23 @@ DMWindow_list* Broker::parse_dm_windows(const std::string attr_name,
     const rapidjson::Document *user_description_file)
 {
     const Value &windows_param = (*user_description_file)[attr_name.c_str()];
-    /*PPK_ASSERT_ERROR(yellow_windows_param.IsArray(),
-        "Invalid user_description file: field "
-        attr_name "should be an array.");*/
+    std::string error_message =  "Invalid user_description file: field ";
+    error_message += attr_name;
+    error_message = "should be an array";
+    PPK_ASSERT_ERROR(windows_param.IsArray(),
+        error_message.c_str());
+    error_message =  "Invalid user_description file: the field ";
+    error_message += attr_name;
+    error_message += " should be an array containing only array of int of size 2.";
     std::vector<DMWindow> windows_collect;
     for (SizeType i = 0 ; i < windows_param.GetArray().Size(); i++) {
         const Value &window =
             (*user_description_file)[attr_name.c_str()].GetArray()[i];
-        /*PPK_ASSERT_ERROR(window.IsArray()
+        PPK_ASSERT_ERROR(window.IsArray()
+                && window.GetArray().Size()==2
                 && window.GetArray()[0].IsInt()
-                && window.GetArray()[1].IsInt()
-                && window.GetArray().Size()==2,
-            "Invalid user_description file: field "
-             attr_name "should be an array containing only array of int of size 2.");*/
+                && window.GetArray()[1].IsInt(),
+            error_message.c_str());
         DMWindow* dm_window =
             new DMWindow(window.GetArray()[0].GetInt(),
                 window.GetArray()[1].GetInt());