diff --git a/osu.Game.Rulesets.Catch.Tests/CatchDifficultyCalculatorTest.cs b/osu.Game.Rulesets.Catch.Tests/CatchDifficultyCalculatorTest.cs
new file mode 100644
index 0000000000..91bc537902
--- /dev/null
+++ b/osu.Game.Rulesets.Catch.Tests/CatchDifficultyCalculatorTest.cs
@@ -0,0 +1,24 @@
+// 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 NUnit.Framework;
+using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Catch.Difficulty;
+using osu.Game.Rulesets.Difficulty;
+using osu.Game.Tests.Beatmaps;
+
+namespace osu.Game.Rulesets.Catch.Tests
+{
+    public class CatchDifficultyCalculatorTest : DifficultyCalculatorTest
+    {
+        protected override string ResourceAssembly => "osu.Game.Rulesets.Catch";
+
+        [TestCase(3.8664391043534758, "diffcalc-test")]
+        public void Test(double expected, string name)
+            => base.Test(expected, name);
+
+        protected override DifficultyCalculator CreateDifficultyCalculator(WorkingBeatmap beatmap) => new CatchDifficultyCalculator(new CatchRuleset(), beatmap);
+
+        protected override Ruleset CreateRuleset() => new CatchRuleset();
+    }
+}
diff --git a/osu.Game.Rulesets.Catch/Resources/Testing/Beatmaps/diffcalc-test.osu b/osu.Game.Rulesets.Catch/Resources/Testing/Beatmaps/diffcalc-test.osu
new file mode 100644
index 0000000000..ebad654404
--- /dev/null
+++ b/osu.Game.Rulesets.Catch/Resources/Testing/Beatmaps/diffcalc-test.osu
@@ -0,0 +1,138 @@
+osu file format v14
+
+[General]
+StackLeniency: 0.3
+Mode: 2
+
+[Difficulty]
+CircleSize:4
+OverallDifficulty:7
+ApproachRate:8.3
+SliderMultiplier:1.6
+SliderTickRate:1
+
+[TimingPoints]
+500,500,4,2,1,50,1,0
+34500,-50,4,2,1,50,0,0
+
+[HitObjects]
+// fruits spaced 1/1 beat apart
+32,128,0,5,0,0:0:0:0:
+96,128,500,1,0,0:0:0:0:
+160,128,1000,1,0,0:0:0:0:
+224,128,1500,1,0,0:0:0:0:
+288,128,2000,1,0,0:0:0:0:
+352,128,2500,1,0,0:0:0:0:
+416,128,3000,1,0,0:0:0:0:
+480,128,3500,1,0,0:0:0:0:
+
+// fruits spaced 1/2 beat apart
+32,160,4500,1,0,0:0:0:0:
+64,160,4750,1,0,0:0:0:0:
+96,160,5000,1,0,0:0:0:0:
+128,160,5250,1,0,0:0:0:0:
+160,160,5500,1,0,0:0:0:0:
+192,160,5750,1,0,0:0:0:0:
+224,160,6000,1,0,0:0:0:0:
+256,160,6250,1,0,0:0:0:0:
+288,160,6500,1,0,0:0:0:0:
+
+// fruits spaced 1/4 beat apart
+96,128,7500,1,0,0:0:0:0:
+128,128,7625,1,0,0:0:0:0:
+160,128,7750,1,0,0:0:0:0:
+192,128,7875,1,0,0:0:0:0:
+224,128,8000,1,0,0:0:0:0:
+256,128,8125,1,0,0:0:0:0:
+288,128,8250,1,0,0:0:0:0:
+320,128,8375,1,0,0:0:0:0:
+352,128,8500,1,0,0:0:0:0:
+
+// fruit hyperdashes, spaced 1/2 beat apart
+32,160,9500,1,0,0:0:0:0:
+480,160,9750,1,0,0:0:0:0:
+32,160,10000,1,0,0:0:0:0:
+480,160,10250,1,0,0:0:0:0:
+32,160,10500,1,0,0:0:0:0:
+480,160,10750,1,0,0:0:0:0:
+32,160,11000,1,0,0:0:0:0:
+
+// fruit hyperdashes, spaced 1/4 beat apart
+32,192,12000,1,0,0:0:0:0:
+480,192,12125,1,0,0:0:0:0:
+32,192,12250,1,0,0:0:0:0:
+480,192,12375,1,0,0:0:0:0:
+32,192,12500,1,0,0:0:0:0:
+480,192,12625,1,0,0:0:0:0:
+32,192,12750,1,0,0:0:0:0:
+480,192,12875,1,0,0:0:0:0:
+32,192,13000,1,0,0:0:0:0:
+
+// stream + hyperdash + stream, spaced 1/4 beat apart
+32,192,14000,1,0,0:0:0:0:
+64,192,14125,1,0,0:0:0:0:
+96,192,14250,1,0,0:0:0:0:
+128,192,14375,1,0,0:0:0:0:
+480,192,14500,1,0,0:0:0:0:
+448,192,14625,1,0,0:0:0:0:
+416,192,14750,1,0,0:0:0:0:
+384,192,14875,1,0,0:0:0:0:
+32,192,15000,1,0,0:0:0:0:
+
+// basic sliders
+32,192,16000,2,0,L|192:192,1,160
+224,192,17000,2,0,L|384:192,1,160
+416,192,17875,2,0,L|480:192,1,40
+
+// slider hyperdashes, spaced 1/4 beat apart
+32,192,19000,2,0,L|128:192,1,80
+480,192,19375,2,0,L|384:192,1,80
+352,192,19750,2,0,L|256:192,1,80
+0,192,20125,2,0,L|128:192,1,120
+
+// stream + slider hyperdashes, spaced 1/4 beat apart
+32,192,21500,1,0,0:0:0:0:
+64,192,21625,1,0,0:0:0:0:
+96,192,21750,1,0,0:0:0:0:
+512,192,21875,2,0,L|320:192,1,160
+320,192,22500,1,0,0:0:0:0:
+288,192,22625,1,0,0:0:0:0:
+256,192,22750,1,0,0:0:0:0:
+0,192,22875,2,0,L|64:192,1,40
+
+// streams, spaced 1/4 beat apart
+64,192,24000,1,0,0:0:0:0:
+160,192,24125,1,0,0:0:0:0:
+64,192,24250,1,0,0:0:0:0:
+160,192,24375,1,0,0:0:0:0:
+64,192,24500,1,0,0:0:0:0:
+160,192,24625,1,0,0:0:0:0:
+64,192,24750,1,0,0:0:0:0:
+160,192,24875,1,0,0:0:0:0:
+64,192,25000,1,0,0:0:0:0:
+160,192,25125,1,0,0:0:0:0:
+64,192,25250,1,0,0:0:0:0:
+160,192,25375,1,0,0:0:0:0:
+64,192,25500,1,0,0:0:0:0:
+
+// stream + spinner combo, spaced 1/4 beat apart
+256,192,26500,12,0,27000,0:0:0:0:
+128,192,27250,5,0,0:0:0:0:
+128,192,27375,1,0,0:0:0:0:
+160,192,27500,1,0,0:0:0:0:
+192,192,27625,1,0,0:0:0:0:
+256,192,27750,12,0,28500,0:0:0:0:
+192,192,28625,5,0,0:0:0:0:
+224,192,28750,1,0,0:0:0:0:
+256,192,28875,1,0,0:0:0:0:
+256,192,29000,1,0,0:0:0:0:
+256,192,29125,12,0,29500,0:0:0:0:
+
+// long slow slider
+0,192,30500,6,0,B|480:192|480:192|0:192,2,960
+
+// long fast slider
+0,192,37500,6,0,B|480:192|480:192|0:192,2,960
+
+// long hyperdash slider
+0,192,41500,2,0,P|544:192|544:192,5,480
diff --git a/osu.Game.Rulesets.Osu.Tests/OsuDifficultyCalculatorTest.cs b/osu.Game.Rulesets.Osu.Tests/OsuDifficultyCalculatorTest.cs
index 4926a81034..e55dc1f902 100644
--- a/osu.Game.Rulesets.Osu.Tests/OsuDifficultyCalculatorTest.cs
+++ b/osu.Game.Rulesets.Osu.Tests/OsuDifficultyCalculatorTest.cs
@@ -16,9 +16,7 @@ namespace osu.Game.Rulesets.Osu.Tests
 
         [TestCase(6.931145117263422, "diffcalc-test")]
         public void Test(double expected, string name)
-        {
-            base.Test(expected, name);
-        }
+            => base.Test(expected, name);
 
         protected override DifficultyCalculator CreateDifficultyCalculator(WorkingBeatmap beatmap) => new OsuDifficultyCalculator(new OsuRuleset(), beatmap);
 
diff --git a/osu.Game.Rulesets.Taiko.Tests/TaikoDifficultyCalculatorTest.cs b/osu.Game.Rulesets.Taiko.Tests/TaikoDifficultyCalculatorTest.cs
index 112834e84c..299f84fb1f 100644
--- a/osu.Game.Rulesets.Taiko.Tests/TaikoDifficultyCalculatorTest.cs
+++ b/osu.Game.Rulesets.Taiko.Tests/TaikoDifficultyCalculatorTest.cs
@@ -16,9 +16,7 @@ namespace osu.Game.Rulesets.Taiko.Tests
         [TestCase(2.9811336589467095, "diffcalc-test")]
         [TestCase(2.9811336589467095, "diffcalc-test-strong")]
         public void Test(double expected, string name)
-        {
-            base.Test(expected, name);
-        }
+            => base.Test(expected, name);
 
         protected override DifficultyCalculator CreateDifficultyCalculator(WorkingBeatmap beatmap) => new TaikoDifficultyCalculator(new TaikoRuleset(), beatmap);