tests: add function record_count_messages

tests/tests-record.cpp

@@ -204,6 +204,16 @@ record_search (const char *buffer, const char *prefix, const char *message,
     return NULL;
 }
 
+/*
+ * Returns the number of messages displayed during the recording.
+ */
+
+int
+record_count_messages ()
+{
+    return arraylist_size (recorded_messages);
+}
+
 /*
  * Adds all recorded messages to the dynamic string "msg".
  */

tests/tests-record.h

@@ -26,6 +26,7 @@ extern void record_start ();
 extern void record_stop ();
 extern struct t_hashtable *record_search (const char *buffer, const char *prefix,
                                           const char *message, const char *tags);
+extern int record_count_messages ();
 extern void record_dump (char **msg);
 extern void record_error_missing (const char *message);