From cef16a9f61e6a9550f80b81f5c3cf6a2603c45e9 Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Thu, 4 Feb 2021 19:55:15 +0900
Subject: [PATCH] Add test coverage of animation / selection flushing

---
 .../TestSceneModSelectOverlay.cs              | 30 +++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/osu.Game.Tests/Visual/UserInterface/TestSceneModSelectOverlay.cs b/osu.Game.Tests/Visual/UserInterface/TestSceneModSelectOverlay.cs
index 7f4dfaa9b0..44605f4994 100644
--- a/osu.Game.Tests/Visual/UserInterface/TestSceneModSelectOverlay.cs
+++ b/osu.Game.Tests/Visual/UserInterface/TestSceneModSelectOverlay.cs
@@ -8,6 +8,7 @@ using NUnit.Framework;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
 using osu.Framework.Testing;
 using osu.Game.Graphics.Sprites;
 using osu.Game.Graphics.UserInterface;
@@ -46,6 +47,32 @@ namespace osu.Game.Tests.Visual.UserInterface
             AddStep("show", () => modSelect.Show());
         }
 
+        [Test]
+        public void TestAnimationFlushOnClose()
+        {
+            changeRuleset(0);
+
+            AddStep("Select all fun mods", () =>
+            {
+                modSelect.ModSectionsContainer
+                         .Single(c => c.ModType == ModType.DifficultyIncrease)
+                         .SelectAll();
+            });
+
+            AddUntilStep("many mods selected", () => modDisplay.Current.Value.Count >= 5);
+
+            AddStep("trigger deselect and close overlay", () =>
+            {
+                modSelect.ModSectionsContainer
+                         .Single(c => c.ModType == ModType.DifficultyIncrease)
+                         .DeselectAll();
+
+                modSelect.Hide();
+            });
+
+            AddAssert("all mods deselected", () => modDisplay.Current.Value.Count == 0);
+        }
+
         [Test]
         public void TestOsuMods()
         {
@@ -312,6 +339,9 @@ namespace osu.Game.Tests.Visual.UserInterface
 
             public bool AllLoaded => ModSectionsContainer.Children.All(c => c.ModIconsLoaded);
 
+            public new FillFlowContainer<ModSection> ModSectionsContainer =>
+                base.ModSectionsContainer;
+
             public ModButton GetModButton(Mod mod)
             {
                 var section = ModSectionsContainer.Children.Single(s => s.ModType == mod.Type);