blackrockrawio - do not search for timestamp jumps in unknown event types

Fixes #1181

Author: cboulay

neo/rawio/blackrockrawio.py

@@ -1148,8 +1148,13 @@ def __get_event_segment_ids(self, raw_event_data, masks, nev_data_masks):
             reset_ev_ids = np.where(reset_ev_mask)[0]
 
             # consistency check for monotone increasing time stamps
-            # Use logical comparator (instead of np.diff) to avoid unsigned dtype issues.
-            jump_ids = np.where(raw_event_data['timestamp'][1:] < raw_event_data['timestamp'][:-1])[0] + 1
+            # - Use logical comparator (instead of np.diff) to avoid unsigned dtype issues.
+            # - Only consider handled/known event types.
+            mask_handled = np.any(np.vstack([value[nev_data_masks[key]] for key, value in masks.items()]), axis=0)
+            jump_ids_handled = np.where(
+                raw_event_data['timestamp'][mask_handled][1:] < raw_event_data['timestamp'][mask_handled][:-1]
+            )[0] + 1
+            jump_ids = np.where(mask_handled)[0][jump_ids_handled]  # jump ids in full set of events (incl. unhandled)
             overlap = np.in1d(jump_ids, reset_ev_ids)
             if not all(overlap):
                 # additional resets occurred without a reset event being stored