From 0abb400f6400e8ceca40bbf34950aa1671a06eb4 Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Thu, 30 Jun 2022 15:14:25 +0900
Subject: [PATCH] Add reproduction of transaction not being exited correctly

---
 osu.Game.Tests/Database/RealmLiveTests.cs | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/osu.Game.Tests/Database/RealmLiveTests.cs b/osu.Game.Tests/Database/RealmLiveTests.cs
index 00a667521d..fd1f564f59 100644
--- a/osu.Game.Tests/Database/RealmLiveTests.cs
+++ b/osu.Game.Tests/Database/RealmLiveTests.cs
@@ -91,6 +91,25 @@ public void TestAccessNonManaged()
             Assert.IsFalse(liveBeatmap.PerformRead(l => l.Hidden));
         }
 
+        [Test]
+        public void TestTransactionRolledBackOnException()
+        {
+            RunTestWithRealm((realm, _) =>
+            {
+                var beatmap = new BeatmapInfo(CreateRuleset(), new BeatmapDifficulty(), new BeatmapMetadata());
+
+                realm.Run(r => r.Write(_ => r.Add(beatmap)));
+
+                var liveBeatmap = beatmap.ToLive(realm);
+
+                Assert.Throws<InvalidOperationException>(() => liveBeatmap.PerformWrite(l => throw new InvalidOperationException()));
+                Assert.IsFalse(liveBeatmap.PerformRead(l => l.Hidden));
+
+                liveBeatmap.PerformWrite(l => l.Hidden = true);
+                Assert.IsTrue(liveBeatmap.PerformRead(l => l.Hidden));
+            });
+        }
+
         [Test]
         public void TestScopedReadWithoutContext()
         {