From 026c6325390fe7aa72a81b91b51a26ff836a4b7c Mon Sep 17 00:00:00 2001
From: Salman Ahmed <frenzibyte@gmail.com>
Date: Sun, 1 Aug 2021 20:12:43 +0300
Subject: [PATCH] Add test coverage

---
 .../Mods/TestSceneOsuModMuted.cs              | 28 +++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 osu.Game.Rulesets.Osu.Tests/Mods/TestSceneOsuModMuted.cs

diff --git a/osu.Game.Rulesets.Osu.Tests/Mods/TestSceneOsuModMuted.cs b/osu.Game.Rulesets.Osu.Tests/Mods/TestSceneOsuModMuted.cs
new file mode 100644
index 0000000000..30e234dd7a
--- /dev/null
+++ b/osu.Game.Rulesets.Osu.Tests/Mods/TestSceneOsuModMuted.cs
@@ -0,0 +1,28 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System.Linq;
+using NUnit.Framework;
+using osu.Framework.Testing;
+using osu.Game.Rulesets.Mods;
+using osu.Game.Rulesets.Osu.Mods;
+
+namespace osu.Game.Rulesets.Osu.Tests.Mods
+{
+    public class TestSceneOsuModMuted : OsuModTestScene
+    {
+        /// <summary>
+        /// Ensures that a final volume combo of 0 (i.e. "always muted" mode) constantly plays metronome and completely mutes track.
+        /// </summary>
+        [TestCase(0.0, 1.0)]
+        public void TestZeroFinalCombo(double expectedTrackVolume, double expectedMetronomeVolume) => CreateModTest(new ModTestData
+        {
+            Mod = new OsuModMuted
+            {
+                MuteComboCount = { Value = 0 },
+            },
+            PassCondition = () => Beatmap.Value.Track.AggregateVolume.Value == expectedTrackVolume &&
+                                  Player.ChildrenOfType<Metronome>().SingleOrDefault()?.AggregateVolume.Value == expectedMetronomeVolume,
+        });
+    }
+}