From a4cd22d5a97295bb2de4b53026ae33afd1a40e56 Mon Sep 17 00:00:00 2001
From: Dan Balasescu <smoogipoo@smgi.me>
Date: Wed, 1 Dec 2021 18:57:29 +0900
Subject: [PATCH] Clear lists on room leave

---
 .../Multiplayer/TestSceneMultiplayerPlaylist.cs | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/osu.Game.Tests/Visual/Multiplayer/TestSceneMultiplayerPlaylist.cs b/osu.Game.Tests/Visual/Multiplayer/TestSceneMultiplayerPlaylist.cs
index 136625682a..74284e21f1 100644
--- a/osu.Game.Tests/Visual/Multiplayer/TestSceneMultiplayerPlaylist.cs
+++ b/osu.Game.Tests/Visual/Multiplayer/TestSceneMultiplayerPlaylist.cs
@@ -113,6 +113,19 @@ namespace osu.Game.Tests.Visual.Multiplayer
             assertItemInHistoryListStep(1, 2);
         }
 
+        [Test]
+        public void TestListsClearedWhenRoomLeft()
+        {
+            addItemStep();
+            AddStep("finish current item", () => Client.FinishCurrentItem());
+
+            AddStep("leave room", () => RoomManager.PartRoom());
+            AddUntilStep("wait for room part", () => Client.Room == null);
+
+            AddUntilStep("item 0 not in lists", () => !inHistoryList(0) && !inQueueList(0));
+            AddUntilStep("item 1 not in lists", () => !inHistoryList(0) && !inQueueList(0));
+        }
+
         [Test]
         public void TestJoinRoomWithMixedItemsAddedInCorrectLists()
         {
@@ -212,7 +225,11 @@ namespace osu.Game.Tests.Visual.Multiplayer
                 base.OnRoomUpdated();
 
                 if (Room == null)
+                {
+                    historyList.Items.Clear();
+                    queueList.Items.Clear();
                     return;
+                }
 
                 if (!firstPopulation) return;