unreads [nfc]: Add assertions for _addAllInStreamTopic

Signed-off-by: Zixuan James Li <zixuan@zulip.com>
PIG208 · Feb 26, 2025 · e14008e · e14008e
1 parent b15b974
commit e14008e
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/lib/model/unreads.dart b/lib/model/unreads.dart
@@ -455,6 +455,8 @@ class Unreads extends ChangeNotifier {
 
   // [messageIds] must be sorted ascending and without duplicates.
   void _addAllInStreamTopic(QueueList<int> messageIds, int streamId, TopicName topic) {
+    assert(messageIds.isNotEmpty);
+    assert(isSortedWithoutDuplicates(messageIds));
     final topics = streams[streamId] ??= {};
     topics.update(topic,
       ifAbsent: () => messageIds,