From 328166f0d56043199ce8e1de9e6af080dc22de35 Mon Sep 17 00:00:00 2001
From: Dan Balasescu <smoogipoo@smgi.me>
Date: Thu, 24 Feb 2022 17:01:04 +0900
Subject: [PATCH] Add failing test

---
 osu.Game.Tests/Online/TestAPIModJsonSerialization.cs | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/osu.Game.Tests/Online/TestAPIModJsonSerialization.cs b/osu.Game.Tests/Online/TestAPIModJsonSerialization.cs
index 1b7a7656b5..d5ea3e492c 100644
--- a/osu.Game.Tests/Online/TestAPIModJsonSerialization.cs
+++ b/osu.Game.Tests/Online/TestAPIModJsonSerialization.cs
@@ -121,6 +121,17 @@ namespace osu.Game.Tests.Online
             Assert.That((deserialised?.Mods[0])?.Settings["speed_change"], Is.EqualTo(2));
         }
 
+        [Test]
+        public void TestAPIModDetachedFromSource()
+        {
+            var mod = new OsuModDoubleTime { SpeedChange = { Value = 1.01 } };
+            var apiMod = new APIMod(mod);
+
+            mod.SpeedChange.Value = 1.5;
+
+            Assert.That(apiMod.Settings["speed_change"], Is.EqualTo(1.01d));
+        }
+
         private class TestRuleset : Ruleset
         {
             public override IEnumerable<Mod> GetModsFor(ModType type) => new Mod[]