Added testcase

osu.Desktop.VisualTests/Tests/TestCaseIngameModsContainer.cs

@@ -0,0 +1,67 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Framework.Testing;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Colour;
+using osu.Framework.Graphics.Sprites;
+using osu.Game.Screens.Menu;
+using OpenTK.Graphics;
+using osu.Game.Screens.Play;
+using osu.Framework.Allocation;
+using osu.Game.Overlays.Mods;
+using osu.Game.Database;
+using osu.Game.Rulesets.Mods;
+using OpenTK;
+
+namespace osu.Desktop.VisualTests.Tests
+{
+    internal class TestCaseIngameModsContainer : TestCase
+    {
+        public override string Description => @"Ingame mods visualization";
+
+        private ModSelectOverlay modSelect;
+        private ModsContainer modsContainer;
+        private RulesetDatabase rulesets;
+
+        [BackgroundDependencyLoader]
+        private void load(RulesetDatabase rulesets)
+        {
+            this.rulesets = rulesets;
+        }
+
+        public override void Reset()
+        {
+            base.Reset();
+
+            Add(modSelect = new ModSelectOverlay
+            {
+                RelativeSizeAxes = Axes.X,
+                Origin = Anchor.BottomCentre,
+                Anchor = Anchor.BottomCentre,
+            });
+
+            Add(modsContainer = new ModsContainer
+            {
+                Anchor = Anchor.TopRight,
+                Origin = Anchor.TopRight,
+                AutoSizeAxes = Axes.Both,
+                Position = new Vector2(0, 25),
+            });
+
+            modSelect.SelectedMods.ValueChanged += SelectedMods_ValueChanged;
+            modSelect.SelectedMods.TriggerChange();
+
+            AddStep("ToggleModSelect", modSelect.ToggleVisibility);
+            foreach (var ruleset in rulesets.AllRulesets)
+                AddStep(ruleset.CreateInstance().Description, () => modSelect.Ruleset.Value = ruleset);
+        }
+
+        private void SelectedMods_ValueChanged(System.Collections.Generic.IEnumerable<Mod> newValue)
+        {
+            modsContainer.Clear();
+            foreach (Mod mod in modSelect.SelectedMods.Value)
+                modsContainer.Add(mod);
+        }
+    }
+}

osu.Desktop.VisualTests/osu.Desktop.VisualTests.csproj

@@ -190,6 +190,7 @@
     <Compile Include="Tests\TestCaseDrawings.cs" />
     <Compile Include="Tests\TestCaseGamefield.cs" />
     <Compile Include="Tests\TestCaseGraph.cs" />
+    <Compile Include="Tests\TestCaseIngameModsContainer.cs" />
     <Compile Include="Tests\TestCaseMenuOverlays.cs" />
     <Compile Include="Tests\TestCaseMusicController.cs" />
     <Compile Include="Tests\TestCaseNotificationManager.cs" />

osu.Game/Screens/Play/ModsContainer.cs

@@ -56,5 +56,10 @@ namespace osu.Game.Screens.Play
                 Scale = new Vector2(0.7f),
             });
         }
+
+        public void Clear()
+        {
+            iconsContainer.Clear();
+        }
     }
 }