Merge remote-tracking branch 'origin/master' into sorcerer-catch-changes

osu.Game.Tests/Visual/Background/TestCaseBackgroundScreenBeatmap.cs

@@ -9,7 +9,6 @@ using NUnit.Framework;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Framework.Graphics;
-using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Sprites;
 using osu.Framework.Input.Events;
 using osu.Framework.Input.States;
@@ -33,7 +32,7 @@ using osu.Game.Users;
 using osuTK;
 using osuTK.Graphics;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Background
 {
     [TestFixture]
     public class TestCaseBackgroundScreenBeatmap : ManualInputManagerTestCase
@@ -54,8 +53,6 @@ namespace osu.Game.Tests.Visual
         private BeatmapManager manager;
         private RulesetStore rulesets;
 
-        private ScreenStackCacheContainer screenStackContainer;
-
         [BackgroundDependencyLoader]
         private void load(GameHost host)
         {
@@ -82,8 +79,10 @@ namespace osu.Game.Tests.Visual
         [SetUp]
         public virtual void SetUp() => Schedule(() =>
         {
-            Child = screenStackContainer = new ScreenStackCacheContainer { RelativeSizeAxes = Axes.Both };
-            screenStackContainer.ScreenStack.Push(songSelect = new DummySongSelect());
+            Child = new OsuScreenStack(songSelect = new DummySongSelect())
+            {
+                RelativeSizeAxes = Axes.Both
+            };
         });
 
         /// <summary>
@@ -373,20 +372,6 @@ namespace osu.Game.Tests.Visual
             }
         }
 
-        private class ScreenStackCacheContainer : Container
-        {
-            [Cached]
-            private BackgroundScreenStack backgroundScreenStack;
-
-            public readonly ScreenStack ScreenStack;
-
-            public ScreenStackCacheContainer()
-            {
-                Add(backgroundScreenStack = new BackgroundScreenStack { RelativeSizeAxes = Axes.Both });
-                Add(ScreenStack = new ScreenStack { RelativeSizeAxes = Axes.Both });
-            }
-        }
-
         private class TestPlayerLoader : PlayerLoader
         {
             public VisualSettings VisualSettingsPos => VisualSettings;

osu.Game.Tests/Visual/Components/TestCaseIdleTracker.cs

@@ -9,7 +9,7 @@ using osu.Game.Input;
 using osuTK;
 using osuTK.Graphics;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Components
 {
     [TestFixture]
     public class TestCaseIdleTracker : ManualInputManagerTestCase

osu.Game.Tests/Visual/Components/TestCasePollingComponent.cs

@@ -13,7 +13,7 @@ using osu.Game.Online;
 using osuTK;
 using osuTK.Graphics;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Components
 {
     public class TestCasePollingComponent : OsuTestCase
     {

osu.Game.Tests/Visual/Components/TestCasePreviewTrackManager.cs

@@ -8,7 +8,7 @@ using osu.Framework.Graphics.Containers;
 using osu.Game.Audio;
 using osu.Game.Beatmaps;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Components
 {
     public class TestCasePreviewTrackManager : OsuTestCase, IPreviewTrackOwner
     {

osu.Game.Tests/Visual/Editor/TestCaseBeatDivisorControl.cs

@@ -9,7 +9,7 @@ using osu.Game.Screens.Edit;
 using osu.Game.Screens.Edit.Compose.Components;
 using osuTK;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Editor
 {
     public class TestCaseBeatDivisorControl : OsuTestCase
     {

osu.Game.Tests/Visual/Editor/TestCaseEditorCompose.cs

@@ -9,7 +9,7 @@ using osu.Game.Rulesets.Osu;
 using osu.Game.Screens.Edit.Compose;
 using osu.Game.Tests.Beatmaps;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Editor
 {
     [TestFixture]
     public class TestCaseEditorCompose : EditorClockTestCase

osu.Game.Tests/Visual/Editor/TestCaseEditorComposeRadioButtons.cs

@@ -7,7 +7,7 @@ using NUnit.Framework;
 using osu.Framework.Graphics;
 using osu.Game.Screens.Edit.Components.RadioButtons;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Editor
 {
     [TestFixture]
     public class TestCaseEditorComposeRadioButtons : OsuTestCase

osu.Game.Tests/Visual/Editor/TestCaseEditorComposeTimeline.cs

@@ -6,7 +6,6 @@ using System.Collections.Generic;
 using NUnit.Framework;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
-using osuTK;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
@@ -14,9 +13,10 @@ using osu.Framework.Graphics.UserInterface;
 using osu.Framework.Timing;
 using osu.Game.Beatmaps;
 using osu.Game.Screens.Edit.Compose.Components.Timeline;
+using osuTK;
 using osuTK.Graphics;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Editor
 {
     [TestFixture]
     public class TestCaseEditorComposeTimeline : EditorClockTestCase

osu.Game.Tests/Visual/Editor/TestCaseEditorMenuBar.cs

@@ -10,7 +10,7 @@ using osu.Framework.Graphics.UserInterface;
 using osu.Game.Graphics.UserInterface;
 using osu.Game.Screens.Edit.Components.Menus;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Editor
 {
     [TestFixture]
     public class TestCaseEditorMenuBar : OsuTestCase

osu.Game.Tests/Visual/Editor/TestCaseEditorSeekSnapping.cs

@@ -14,7 +14,7 @@ using osu.Game.Tests.Beatmaps;
 using osuTK;
 using osuTK.Graphics;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Editor
 {
     [TestFixture]
     public class TestCaseEditorSeekSnapping : EditorClockTestCase

osu.Game.Tests/Visual/Editor/TestCaseEditorSummaryTimeline.cs

@@ -6,12 +6,12 @@ using System.Collections.Generic;
 using NUnit.Framework;
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
-using osuTK;
-using osu.Game.Screens.Edit.Components.Timelines.Summary;
 using osu.Game.Rulesets.Osu;
+using osu.Game.Screens.Edit.Components.Timelines.Summary;
 using osu.Game.Tests.Beatmaps;
+using osuTK;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Editor
 {
     [TestFixture]
     public class TestCaseEditorSummaryTimeline : EditorClockTestCase

osu.Game.Tests/Visual/Editor/TestCaseHitObjectComposer.cs

@@ -7,7 +7,6 @@ using JetBrains.Annotations;
 using NUnit.Framework;
 using osu.Framework.Allocation;
 using osu.Framework.Timing;
-using osuTK;
 using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Objects;
@@ -20,8 +19,9 @@ using osu.Game.Rulesets.Osu.Objects;
 using osu.Game.Screens.Edit.Compose;
 using osu.Game.Screens.Edit.Compose.Components;
 using osu.Game.Tests.Beatmaps;
+using osuTK;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Editor
 {
     [TestFixture]
     [Cached(Type = typeof(IPlacementHandler))]

osu.Game.Tests/Visual/Editor/TestCasePlaybackControl.cs

@@ -10,7 +10,7 @@ using osu.Game.Screens.Edit.Components;
 using osu.Game.Tests.Beatmaps;
 using osuTK;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Editor
 {
     [TestFixture]
     public class TestCasePlaybackControl : OsuTestCase

osu.Game.Tests/Visual/Editor/TestCaseWaveContainer.cs

@@ -12,7 +12,7 @@ using osu.Game.Graphics.Sprites;
 using osuTK;
 using osuTK.Graphics;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Editor
 {
     [TestFixture]
     public class TestCaseWaveContainer : OsuTestCase

osu.Game.Tests/Visual/Editor/TestCaseWaveform.cs

@@ -2,16 +2,16 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using NUnit.Framework;
-using osuTK;
-using osuTK.Graphics;
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Audio;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
 using osu.Game.Graphics.Sprites;
+using osuTK;
+using osuTK.Graphics;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Editor
 {
     [TestFixture]
     public class TestCaseWaveform : OsuTestCase

osu.Game.Tests/Visual/Editor/TestCaseZoomableScrollContainer.cs

@@ -14,7 +14,7 @@ using osu.Game.Screens.Edit.Compose.Components.Timeline;
 using osuTK;
 using osuTK.Graphics;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Editor
 {
     public class TestCaseZoomableScrollContainer : ManualInputManagerTestCase
     {

osu.Game.Tests/Visual/Gameplay/TestCaseAutoplay.cs

@@ -7,7 +7,7 @@ using osu.Game.Rulesets;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Screens.Play;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Gameplay
 {
     [Description("Player instantiated with an autoplay mod.")]
     public class TestCaseAutoplay : AllPlayersTestCase

osu.Game.Tests/Visual/Gameplay/TestCaseBreakOverlay.cs

@@ -1,12 +1,12 @@
 // 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 osu.Game.Beatmaps.Timing;
 using System.Collections.Generic;
 using NUnit.Framework;
+using osu.Game.Beatmaps.Timing;
 using osu.Game.Screens.Play;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Gameplay
 {
     [TestFixture]
     public class TestCaseBreakOverlay : OsuTestCase

osu.Game.Tests/Visual/Gameplay/TestCaseGameplayMenuOverlay.cs

@@ -5,14 +5,16 @@ using System;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Linq;
-using osuTK.Input;
 using osu.Framework.Allocation;
+using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Logging;
+using osu.Game.Input.Bindings;
 using osu.Game.Screens.Play;
 using osuTK;
+using osuTK.Input;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Gameplay
 {
     [Description("player pause/fail screens")]
     public class TestCaseGameplayMenuOverlay : ManualInputManagerTestCase
@@ -22,21 +24,29 @@ namespace osu.Game.Tests.Visual
         private FailOverlay failOverlay;
         private PauseOverlay pauseOverlay;
 
-        [BackgroundDependencyLoader]
-        private void load()
-        {
-            Add(pauseOverlay = new PauseOverlay
-            {
-                OnResume = () => Logger.Log(@"Resume"),
-                OnRetry = () => Logger.Log(@"Retry"),
-                OnQuit = () => Logger.Log(@"Quit"),
-            });
+        private GlobalActionContainer globalActionContainer;
 
-            Add(failOverlay = new FailOverlay
+        [BackgroundDependencyLoader]
+        private void load(OsuGameBase game)
+        {
+            Child = globalActionContainer = new GlobalActionContainer(game)
             {
-                OnRetry = () => Logger.Log(@"Retry"),
-                OnQuit = () => Logger.Log(@"Quit"),
-            });
+                Children = new Drawable[]
+                {
+                    pauseOverlay = new PauseOverlay
+                    {
+                        OnResume = () => Logger.Log(@"Resume"),
+                        OnRetry = () => Logger.Log(@"Retry"),
+                        OnQuit = () => Logger.Log(@"Quit"),
+                    },
+                    failOverlay = new FailOverlay
+
+                    {
+                        OnRetry = () => Logger.Log(@"Retry"),
+                        OnQuit = () => Logger.Log(@"Quit"),
+                    }
+                }
+            };
 
             var retryCount = 0;
 
@@ -79,12 +89,6 @@ namespace osu.Game.Tests.Visual
             AddAssert("Overlay state is reset", () => !failOverlay.Buttons.Any(b => b.Selected.Value));
         }
 
-        private void press(Key key)
-        {
-            InputManager.PressKey(key);
-            InputManager.ReleaseKey(key);
-        }
-
         /// <summary>
         /// Tests that pressing enter after an overlay shows doesn't trigger an event because a selection hasn't occurred.
         /// </summary>
@@ -92,7 +96,7 @@ namespace osu.Game.Tests.Visual
         {
             AddStep("Show overlay", () => pauseOverlay.Show());
 
-            AddStep("Press enter", () => press(Key.Enter));
+            AddStep("Press select", () => press(GlobalAction.Select));
             AddAssert("Overlay still open", () => pauseOverlay.State == Visibility.Visible);
 
             AddStep("Hide overlay", () => pauseOverlay.Hide());
@@ -270,5 +274,17 @@ namespace osu.Game.Tests.Visual
             });
             AddAssert("Overlay is closed", () => pauseOverlay.State == Visibility.Hidden);
         }
+
+        private void press(Key key)
+        {
+            InputManager.PressKey(key);
+            InputManager.ReleaseKey(key);
+        }
+
+        private void press(GlobalAction action)
+        {
+            globalActionContainer.TriggerPressed(action);
+            globalActionContainer.TriggerReleased(action);
+        }
     }
 }

osu.Game.Tests/Visual/Gameplay/TestCaseHoldForMenuButton.cs

@@ -10,7 +10,7 @@ using osu.Game.Screens.Play.HUD;
 using osuTK;
 using osuTK.Input;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Gameplay
 {
     [Description("'Hold to Quit' UI element")]
     public class TestCaseHoldForMenuButton : ManualInputManagerTestCase

osu.Game.Tests/Visual/Gameplay/TestCaseKeyCounter.cs

@@ -11,7 +11,7 @@ using osu.Framework.Timing;
 using osu.Game.Screens.Play;
 using osuTK.Input;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Gameplay
 {
     [TestFixture]
     public class TestCaseKeyCounter : ManualInputManagerTestCase

osu.Game.Tests/Visual/Gameplay/TestCaseMedalOverlay.cs

@@ -8,7 +8,7 @@ using osu.Game.Overlays;
 using osu.Game.Overlays.MedalSplash;
 using osu.Game.Users;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Gameplay
 {
     [TestFixture]
     public class TestCaseMedalOverlay : OsuTestCase

osu.Game.Tests/Visual/Gameplay/TestCasePause.cs

@@ -9,7 +9,7 @@ using osu.Game.Rulesets.Osu;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Screens.Play;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Gameplay
 {
     public class TestCasePause : PlayerTestCase
     {

osu.Game.Tests/Visual/Gameplay/TestCasePlayerLoader.cs

@@ -9,20 +9,16 @@ using osu.Game.Beatmaps;
 using osu.Game.Screens;
 using osu.Game.Screens.Play;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Gameplay
 {
     public class TestCasePlayerLoader : ManualInputManagerTestCase
     {
         private PlayerLoader loader;
-        private readonly ScreenStack stack;
-
-        [Cached]
-        private BackgroundScreenStack backgroundStack;
+        private readonly OsuScreenStack stack;
 
         public TestCasePlayerLoader()
         {
-            InputManager.Add(backgroundStack = new BackgroundScreenStack { RelativeSizeAxes = Axes.Both });
-            InputManager.Add(stack = new ScreenStack { RelativeSizeAxes = Axes.Both });
+            InputManager.Add(stack = new OsuScreenStack { RelativeSizeAxes = Axes.Both });
         }
 
         [BackgroundDependencyLoader]

osu.Game.Tests/Visual/Gameplay/TestCasePlayerReferenceLeaking.cs

@@ -8,7 +8,7 @@ using osu.Game.Beatmaps;
 using osu.Game.Rulesets;
 using osu.Game.Screens.Play;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Gameplay
 {
     public class TestCasePlayerReferenceLeaking : AllPlayersTestCase
     {

osu.Game.Tests/Visual/Gameplay/TestCaseReplay.cs

@@ -8,7 +8,7 @@ using osu.Game.Rulesets.Scoring;
 using osu.Game.Scoring;
 using osu.Game.Screens.Play;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Gameplay
 {
     [Description("Player instantiated with a replay.")]
     public class TestCaseReplay : AllPlayersTestCase

osu.Game.Tests/Visual/Gameplay/TestCaseReplaySettingsOverlay.cs

@@ -7,7 +7,7 @@ using osu.Game.Graphics.UserInterface;
 using osu.Game.Screens.Play.HUD;
 using osu.Game.Screens.Play.PlayerSettings;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Gameplay
 {
     [TestFixture]
     public class TestCaseReplaySettingsOverlay : OsuTestCase

osu.Game.Tests/Visual/Gameplay/TestCaseResults.cs

@@ -13,7 +13,7 @@ using osu.Game.Screens.Ranking;
 using osu.Game.Screens.Ranking.Pages;
 using osu.Game.Users;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Gameplay
 {
     [TestFixture]
     public class TestCaseResults : ScreenTestCase

osu.Game.Tests/Visual/Gameplay/TestCaseScoreCounter.cs

@@ -9,7 +9,7 @@ using osu.Game.Graphics.UserInterface;
 using osu.Game.Screens.Play.HUD;
 using osuTK;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Gameplay
 {
     [TestFixture]
     public class TestCaseScoreCounter : OsuTestCase

osu.Game.Tests/Visual/Gameplay/TestCaseScrollingHitObjects.cs

@@ -5,7 +5,6 @@ using System;
 using System.Collections.Generic;
 using NUnit.Framework;
 using osu.Framework.Extensions.IEnumerableExtensions;
-using osuTK;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
@@ -15,8 +14,9 @@ using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.Timing;
 using osu.Game.Rulesets.UI;
 using osu.Game.Rulesets.UI.Scrolling;
+using osuTK;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Gameplay
 {
     [TestFixture]
     public class TestCaseScrollingHitObjects : OsuTestCase

osu.Game.Tests/Visual/Gameplay/TestCaseSkinReloadable.cs

@@ -13,7 +13,7 @@ using osu.Game.Graphics;
 using osu.Game.Skinning;
 using osuTK.Graphics;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Gameplay
 {
     public class TestCaseSkinReloadable : OsuTestCase
     {

osu.Game.Tests/Visual/Gameplay/TestCaseSkipOverlay.cs

@@ -4,7 +4,7 @@
 using NUnit.Framework;
 using osu.Game.Screens.Play;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Gameplay
 {
     [TestFixture]
     public class TestCaseSkipOverlay : OsuTestCase

osu.Game.Tests/Visual/Gameplay/TestCaseSongProgress.cs

@@ -10,7 +10,7 @@ using osu.Framework.Timing;
 using osu.Game.Rulesets.Objects;
 using osu.Game.Screens.Play;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Gameplay
 {
     [TestFixture]
     public class TestCaseSongProgress : OsuTestCase

osu.Game.Tests/Visual/Gameplay/TestCaseStoryboard.cs

@@ -13,7 +13,7 @@ using osu.Game.Overlays;
 using osu.Game.Storyboards.Drawables;
 using osuTK.Graphics;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Gameplay
 {
     [TestFixture]
     public class TestCaseStoryboard : OsuTestCase

osu.Game.Tests/Visual/Menus/TestCaseDisclaimer.cs

@@ -6,7 +6,7 @@ using osu.Game.Online.API;
 using osu.Game.Screens.Menu;
 using osu.Game.Users;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Menus
 {
     public class TestCaseDisclaimer : ScreenTestCase
     {

osu.Game.Tests/Visual/Menus/TestCaseIntroSequence.cs

@@ -4,14 +4,14 @@
 using System;
 using System.Collections.Generic;
 using NUnit.Framework;
-using osuTK.Graphics;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
 using osu.Framework.Timing;
 using osu.Game.Screens.Menu;
+using osuTK.Graphics;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Menus
 {
     [TestFixture]
     public class TestCaseIntroSequence : OsuTestCase

osu.Game.Tests/Visual/Menus/TestCaseLoaderAnimation.cs

@@ -9,7 +9,7 @@ using osu.Game.Screens;
 using osu.Game.Screens.Menu;
 using osuTK.Graphics;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Menus
 {
     [TestFixture]
     public class TestCaseLoaderAnimation : OsuTestCase

osu.Game.Tests/Visual/Menus/TestCaseToolbar.cs

@@ -8,7 +8,7 @@ using NUnit.Framework;
 using osu.Framework.Graphics.Containers;
 using osu.Game.Overlays.Toolbar;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Menus
 {
     [TestFixture]
     public class TestCaseToolbar : OsuTestCase

osu.Game.Tests/Visual/Multiplayer/TestCaseLoungeRoomsContainer.cs

@@ -14,7 +14,7 @@ using osu.Game.Screens.Multi.Lounge.Components;
 using osu.Game.Users;
 using osuTK.Graphics;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Multiplayer
 {
     public class TestCaseLoungeRoomsContainer : MultiplayerTestCase
     {

osu.Game.Tests/Visual/Multiplayer/TestCaseMatchHeader.cs

@@ -10,7 +10,7 @@ using osu.Game.Rulesets.Osu;
 using osu.Game.Rulesets.Osu.Mods;
 using osu.Game.Screens.Multi.Match.Components;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Multiplayer
 {
     public class TestCaseMatchHeader : MultiplayerTestCase
     {

osu.Game.Tests/Visual/Multiplayer/TestCaseMatchHostInfo.cs

@@ -8,7 +8,7 @@ using osu.Framework.Graphics;
 using osu.Game.Screens.Multi.Match.Components;
 using osu.Game.Users;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Multiplayer
 {
     public class TestCaseMatchHostInfo : OsuTestCase
     {

osu.Game.Tests/Visual/Multiplayer/TestCaseMatchInfo.cs

@@ -11,7 +11,7 @@ using osu.Game.Online.Multiplayer.RoomStatuses;
 using osu.Game.Rulesets;
 using osu.Game.Screens.Multi.Match.Components;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Multiplayer
 {
     [TestFixture]
     public class TestCaseMatchInfo : MultiplayerTestCase

osu.Game.Tests/Visual/Multiplayer/TestCaseMatchLeaderboard.cs

@@ -10,7 +10,7 @@ using osu.Game.Screens.Multi.Match.Components;
 using osu.Game.Users;
 using osuTK;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Multiplayer
 {
     public class TestCaseMatchLeaderboard : MultiplayerTestCase
     {

osu.Game.Tests/Visual/Multiplayer/TestCaseMatchParticipants.cs

@@ -6,7 +6,7 @@ using osu.Framework.Graphics;
 using osu.Game.Screens.Multi.Match.Components;
 using osu.Game.Users;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Multiplayer
 {
     [TestFixture]
     public class TestCaseMatchParticipants : MultiplayerTestCase

osu.Game.Tests/Visual/Multiplayer/TestCaseMatchResults.cs

@@ -16,7 +16,7 @@ using osu.Game.Screens.Multi.Ranking.Types;
 using osu.Game.Screens.Ranking;
 using osu.Game.Users;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Multiplayer
 {
     public class TestCaseMatchResults : MultiplayerTestCase
     {

osu.Game.Tests/Visual/Multiplayer/TestCaseMatchSettingsOverlay.cs

@@ -15,7 +15,7 @@ using osu.Game.Online.Multiplayer;
 using osu.Game.Screens.Multi;
 using osu.Game.Screens.Multi.Match.Components;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Multiplayer
 {
     public class TestCaseMatchSettingsOverlay : MultiplayerTestCase
     {

osu.Game.Tests/Visual/Multiplayer/TestCaseMultiHeader.cs

@@ -7,7 +7,7 @@ using osu.Framework.Screens;
 using osu.Game.Screens;
 using osu.Game.Screens.Multi;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Multiplayer
 {
     [TestFixture]
     public class TestCaseMultiHeader : OsuTestCase
@@ -16,7 +16,7 @@ namespace osu.Game.Tests.Visual
         {
             int index = 0;
 
-            ScreenStack screenStack = new ScreenStack(new TestMultiplayerSubScreen(index)) { RelativeSizeAxes = Axes.Both };
+            OsuScreenStack screenStack = new OsuScreenStack(new TestMultiplayerSubScreen(index)) { RelativeSizeAxes = Axes.Both };
 
             Children = new Drawable[]
             {

osu.Game.Tests/Visual/Multiplayer/TestCaseMultiScreen.cs

@@ -4,25 +4,24 @@
 using System;
 using System.Collections.Generic;
 using NUnit.Framework;
-using osu.Game.Screens.Multi;
 using osu.Game.Screens.Multi.Lounge;
 using osu.Game.Screens.Multi.Lounge.Components;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Multiplayer
 {
     [TestFixture]
     public class TestCaseMultiScreen : ScreenTestCase
     {
         public override IReadOnlyList<Type> RequiredTypes => new[]
         {
-            typeof(Multiplayer),
+            typeof(Screens.Multi.Multiplayer),
             typeof(LoungeSubScreen),
             typeof(FilterControl)
         };
 
         public TestCaseMultiScreen()
         {
-            Multiplayer multi = new Multiplayer();
+            Screens.Multi.Multiplayer multi = new Screens.Multi.Multiplayer();
 
             AddStep(@"show", () => LoadScreen(multi));
         }

osu.Game.Tests/Visual/Multiplayer/TestCaseRoomStatus.cs

@@ -9,7 +9,7 @@ using osu.Game.Online.Multiplayer;
 using osu.Game.Online.Multiplayer.RoomStatuses;
 using osu.Game.Screens.Multi.Lounge.Components;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Multiplayer
 {
     public class TestCaseRoomStatus : OsuTestCase
     {

osu.Game.Tests/Visual/Online/TestCaseAccountCreationOverlay.cs

@@ -11,7 +11,7 @@ using osu.Game.Overlays;
 using osu.Game.Overlays.AccountCreation;
 using osu.Game.Users;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Online
 {
     public class TestCaseAccountCreationOverlay : OsuTestCase
     {

osu.Game.Tests/Visual/Online/TestCaseBadgeContainer.cs

@@ -9,7 +9,7 @@ using osu.Framework.Graphics;
 using osu.Game.Overlays.Profile.Header;
 using osu.Game.Users;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Online
 {
     [TestFixture]
     public class TestCaseBadgeContainer : OsuTestCase

osu.Game.Tests/Visual/Online/TestCaseBeatmapSetOverlay.cs

@@ -14,7 +14,7 @@ using osu.Game.Overlays.BeatmapSet.Scores;
 using osu.Game.Rulesets;
 using osu.Game.Users;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Online
 {
     [TestFixture]
     public class TestCaseBeatmapSetOverlay : OsuTestCase

osu.Game.Tests/Visual/Online/TestCaseChannelTabControl.cs

@@ -15,7 +15,7 @@ using osu.Game.Overlays.Chat.Tabs;
 using osu.Game.Users;
 using osuTK.Graphics;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Online
 {
     public class TestCaseChannelTabControl : OsuTestCase
     {

osu.Game.Tests/Visual/Online/TestCaseChatDisplay.cs

@@ -12,7 +12,7 @@ using osu.Game.Overlays;
 using osu.Game.Overlays.Chat;
 using osu.Game.Overlays.Chat.Tabs;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Online
 {
     [Description("Testing chat api and overlay")]
     public class TestCaseChatDisplay : OsuTestCase

osu.Game.Tests/Visual/Online/TestCaseChatLink.cs

@@ -1,24 +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 osuTK.Graphics;
-using osu.Framework.Allocation;
-using osu.Framework.Graphics;
-using osu.Framework.Graphics.Containers;
-using osu.Game.Graphics;
-using osu.Game.Online.Chat;
-using osu.Game.Overlays.Chat;
-using osu.Game.Users;
 using System;
 using System.Collections.Generic;
 using System.Linq;
 using NUnit.Framework;
+using osu.Framework.Allocation;
 using osu.Framework.Bindables;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Game.Graphics;
 using osu.Game.Graphics.Containers;
 using osu.Game.Graphics.Sprites;
+using osu.Game.Online.Chat;
 using osu.Game.Overlays;
+using osu.Game.Overlays.Chat;
+using osu.Game.Users;
+using osuTK.Graphics;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Online
 {
     [TestFixture]
     public class TestCaseChatLink : OsuTestCase

osu.Game.Tests/Visual/Online/TestCaseDirect.cs

@@ -8,7 +8,7 @@ using osu.Game.Beatmaps;
 using osu.Game.Overlays;
 using osu.Game.Rulesets;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Online
 {
     [TestFixture]
     public class TestCaseDirect : OsuTestCase

osu.Game.Tests/Visual/Online/TestCaseDirectPanel.cs

@@ -11,7 +11,7 @@ using osu.Game.Rulesets.Osu;
 using osu.Game.Tests.Beatmaps;
 using osuTK;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Online
 {
     public class TestCaseDirectPanel : OsuTestCase
     {

osu.Game.Tests/Visual/Online/TestCaseExternalLinkButton.cs

@@ -6,7 +6,7 @@ using System.Collections.Generic;
 using osu.Game.Graphics.UserInterface;
 using osuTK;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Online
 {
     public class TestCaseExternalLinkButton : OsuTestCase
     {

osu.Game.Tests/Visual/Online/TestCaseGraph.cs

@@ -7,7 +7,7 @@ using osu.Framework.Graphics;
 using osu.Game.Graphics.UserInterface;
 using osuTK;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Online
 {
     [TestFixture]
     public class TestCaseGraph : OsuTestCase

osu.Game.Tests/Visual/Online/TestCaseHistoricalSection.cs

@@ -12,7 +12,7 @@ using osu.Game.Overlays.Profile.Sections;
 using osu.Game.Overlays.Profile.Sections.Historical;
 using osu.Game.Users;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Online
 {
     [TestFixture]
     public class TestCaseHistoricalSection : OsuTestCase

osu.Game.Tests/Visual/Online/TestCaseRankGraph.cs

@@ -1,19 +1,19 @@
 // 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;
+using System.Collections.Generic;
+using NUnit.Framework;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
-using osuTK;
 using osu.Framework.Graphics.Shapes;
 using osu.Game.Graphics;
-using System.Collections.Generic;
-using System;
-using NUnit.Framework;
 using osu.Game.Graphics.UserInterface;
 using osu.Game.Overlays.Profile.Header;
 using osu.Game.Users;
+using osuTK;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Online
 {
     [TestFixture]
     public class TestCaseRankGraph : OsuTestCase

osu.Game.Tests/Visual/Online/TestCaseSocial.cs

@@ -8,7 +8,7 @@ using osu.Game.Overlays;
 using osu.Game.Overlays.Social;
 using osu.Game.Users;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Online
 {
     [TestFixture]
     public class TestCaseSocial : OsuTestCase

osu.Game.Tests/Visual/Online/TestCaseStandAloneChatDisplay.cs

@@ -7,7 +7,7 @@ using osu.Game.Online.Chat;
 using osu.Game.Users;
 using osuTK;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Online
 {
     public class TestCaseStandAloneChatDisplay : OsuTestCase
     {

osu.Game.Tests/Visual/Online/TestCaseUserPanel.cs

@@ -7,7 +7,7 @@ using osu.Framework.Graphics.Containers;
 using osu.Game.Users;
 using osuTK;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Online
 {
     [TestFixture]
     public class TestCaseUserPanel : OsuTestCase

osu.Game.Tests/Visual/Online/TestCaseUserProfile.cs

@@ -13,7 +13,7 @@ using osu.Game.Overlays.Profile;
 using osu.Game.Overlays.Profile.Header;
 using osu.Game.Users;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Online
 {
     [TestFixture]
     public class TestCaseUserProfile : OsuTestCase

osu.Game.Tests/Visual/Online/TestCaseUserProfileRecentSection.cs

@@ -1,20 +1,20 @@
 // 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;
+using System.Collections.Generic;
+using System.Linq;
 using NUnit.Framework;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
 using osu.Game.Graphics;
 using osu.Game.Online.API.Requests;
+using osu.Game.Online.API.Requests.Responses;
 using osu.Game.Overlays.Profile.Sections;
 using osu.Game.Overlays.Profile.Sections.Recent;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using osu.Game.Online.API.Requests.Responses;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Online
 {
     [TestFixture]
     public class TestCaseUserProfileRecentSection : OsuTestCase

osu.Game.Tests/Visual/Online/TestCaseUserRanks.cs

@@ -1,6 +1,9 @@
 // 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;
+using System.Collections.Generic;
+using NUnit.Framework;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
@@ -8,11 +11,8 @@ using osu.Game.Graphics;
 using osu.Game.Overlays.Profile.Sections;
 using osu.Game.Overlays.Profile.Sections.Ranks;
 using osu.Game.Users;
-using System;
-using System.Collections.Generic;
-using NUnit.Framework;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Online
 {
     [TestFixture]
     public class TestCaseUserRanks : OsuTestCase

osu.Game.Tests/Visual/Settings/TestCaseKeyConfiguration.cs

@@ -4,7 +4,7 @@
 using NUnit.Framework;
 using osu.Game.Overlays;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Settings
 {
     [TestFixture]
     public class TestCaseKeyConfiguration : OsuTestCase

osu.Game.Tests/Visual/Settings/TestCaseSettings.cs

@@ -6,7 +6,7 @@ using osu.Framework.Allocation;
 using osu.Framework.Graphics.Containers;
 using osu.Game.Overlays;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Settings
 {
     [TestFixture]
     public class TestCaseSettings : OsuTestCase

osu.Game.Tests/Visual/SongSelect/TestCaseBeatmapCarousel.cs

@@ -17,7 +17,7 @@ using osu.Game.Screens.Select;
 using osu.Game.Screens.Select.Carousel;
 using osu.Game.Screens.Select.Filter;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.SongSelect
 {
     [TestFixture]
     public class TestCaseBeatmapCarousel : OsuTestCase

osu.Game.Tests/Visual/SongSelect/TestCaseBeatmapDetailArea.cs

@@ -10,7 +10,7 @@ using osu.Game.Beatmaps;
 using osu.Game.Screens.Select;
 using osuTK;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.SongSelect
 {
     [TestFixture]
     [System.ComponentModel.Description("PlaySongSelect leaderboard/details area")]

osu.Game.Tests/Visual/SongSelect/TestCaseBeatmapDetails.cs

@@ -7,7 +7,7 @@ using osu.Framework.Graphics;
 using osu.Game.Beatmaps;
 using osu.Game.Screens.Select;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.SongSelect
 {
     [Description("PlaySongSelect beatmap details")]
     public class TestCaseBeatmapDetails : OsuTestCase

osu.Game.Tests/Visual/SongSelect/TestCaseBeatmapInfoWedge.cs

@@ -5,7 +5,6 @@ using System.Collections.Generic;
 using System.Linq;
 using JetBrains.Annotations;
 using NUnit.Framework;
-using osuTK;
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
@@ -20,8 +19,9 @@ using osu.Game.Rulesets.Osu;
 using osu.Game.Rulesets.Taiko;
 using osu.Game.Screens.Select;
 using osu.Game.Tests.Beatmaps;
+using osuTK;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.SongSelect
 {
     [TestFixture]
     public class TestCaseBeatmapInfoWedge : OsuTestCase

osu.Game.Tests/Visual/SongSelect/TestCaseBeatmapOptionsOverlay.cs

@@ -7,7 +7,7 @@ using osu.Game.Screens.Select.Options;
 using osuTK.Graphics;
 using osuTK.Input;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.SongSelect
 {
     [Description("bottom beatmap details")]
     public class TestCaseBeatmapOptionsOverlay : OsuTestCase

osu.Game.Tests/Visual/SongSelect/TestCaseBeatmapScoresContainer.cs

@@ -1,24 +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 System.Collections.Generic;
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
 using osu.Framework.MathUtils;
+using osu.Game.Beatmaps;
 using osu.Game.Graphics;
+using osu.Game.Online.API.Requests.Responses;
 using osu.Game.Overlays.BeatmapSet.Scores;
 using osu.Game.Rulesets.Mods;
+using osu.Game.Rulesets.Osu;
 using osu.Game.Rulesets.Osu.Mods;
 using osu.Game.Rulesets.Scoring;
-using osu.Game.Users;
-using System.Collections.Generic;
-using osu.Framework.Graphics.Containers;
-using osu.Game.Beatmaps;
-using osu.Game.Online.API.Requests.Responses;
-using osu.Game.Rulesets.Osu;
 using osu.Game.Scoring;
+using osu.Game.Users;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.SongSelect
 {
     [System.ComponentModel.Description("in BeatmapOverlay")]
     public class TestCaseBeatmapScoresContainer : OsuTestCase

osu.Game.Tests/Visual/SongSelect/TestCaseLeaderboard.cs

@@ -4,18 +4,18 @@
 using System;
 using System.Collections.Generic;
 using System.ComponentModel;
-using osu.Framework.Graphics;
-using osu.Game.Screens.Select.Leaderboards;
-using osu.Game.Users;
-using osu.Framework.Allocation;
-using osuTK;
 using System.Linq;
+using osu.Framework.Allocation;
+using osu.Framework.Graphics;
 using osu.Game.Beatmaps;
 using osu.Game.Online.Leaderboards;
 using osu.Game.Rulesets;
 using osu.Game.Scoring;
+using osu.Game.Screens.Select.Leaderboards;
+using osu.Game.Users;
+using osuTK;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.SongSelect
 {
     [Description("PlaySongSelect leaderboard")]
     public class TestCaseLeaderboard : OsuTestCase

osu.Game.Tests/Visual/SongSelect/TestCasePlaySongSelect.cs

@@ -23,7 +23,7 @@ using osu.Game.Screens.Select;
 using osu.Game.Screens.Select.Carousel;
 using osu.Game.Screens.Select.Filter;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.SongSelect
 {
     [TestFixture]
     public class TestCasePlaySongSelect : ScreenTestCase
@@ -41,7 +41,7 @@ namespace osu.Game.Tests.Visual
 
         public override IReadOnlyList<Type> RequiredTypes => new[]
         {
-            typeof(SongSelect),
+            typeof(Screens.Select.SongSelect),
             typeof(BeatmapCarousel),
 
             typeof(CarouselItem),

osu.Game.Tests/Visual/TestCaseOsuScreenStack.cs

@@ -0,0 +1,82 @@
+// 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.Framework.Allocation;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Sprites;
+using osu.Framework.Screens;
+using osu.Framework.Testing;
+using osu.Game.Screens;
+using osu.Game.Screens.Play;
+using osuTK.Graphics;
+
+namespace osu.Game.Tests.Visual
+{
+    [TestFixture]
+    public class TestCaseOsuScreenStack : OsuTestCase
+    {
+        private TestOsuScreenStack stack;
+
+        [SetUpSteps]
+        public void SetUpSteps()
+        {
+            AddStep("Create new screen stack", () => { Child = stack = new TestOsuScreenStack { RelativeSizeAxes = Axes.Both }; });
+        }
+
+        [Test]
+        public void ParallaxAssignmentTest()
+        {
+            NoParallaxTestScreen noParallaxScreen = null;
+            TestScreen parallaxScreen = null;
+
+            AddStep("Push no parallax", () => stack.Push(noParallaxScreen = new NoParallaxTestScreen("NO PARALLAX")));
+            AddUntilStep("Wait for current", () => noParallaxScreen.IsLoaded);
+            AddAssert("Parallax is off", () => stack.ParallaxAmount == 0);
+
+            AddStep("Push parallax", () => noParallaxScreen.Push(parallaxScreen = new TestScreen("PARALLAX")));
+            AddUntilStep("Wait for current", () => parallaxScreen.IsLoaded);
+            AddAssert("Parallax is on", () => stack.ParallaxAmount > 0);
+
+            AddStep("Exit from new screen", () => { noParallaxScreen.MakeCurrent(); });
+            AddAssert("Parallax is off", () => stack.ParallaxAmount == 0);
+        }
+
+        private class TestScreen : ScreenWithBeatmapBackground
+        {
+            private readonly string screenText;
+
+            public TestScreen(string screenText)
+            {
+                this.screenText = screenText;
+            }
+
+            [BackgroundDependencyLoader]
+            private void load()
+            {
+                AddInternal(new SpriteText
+                {
+                    Text = screenText,
+                    Colour = Color4.White,
+                    Anchor = Anchor.Centre,
+                    Origin = Anchor.Centre,
+                });
+            }
+        }
+
+        private class NoParallaxTestScreen : TestScreen
+        {
+            public NoParallaxTestScreen(string screenText)
+                : base(screenText)
+            {
+            }
+
+            public override float BackgroundParallaxAmount => 0.0f;
+        }
+
+        private class TestOsuScreenStack : OsuScreenStack
+        {
+            public new float ParallaxAmount => base.ParallaxAmount;
+        }
+    }
+}

osu.Game.Tests/Visual/Tournament/TestCaseDrawings.cs

@@ -6,7 +6,7 @@ using System.ComponentModel;
 using osu.Game.Screens.Tournament;
 using osu.Game.Screens.Tournament.Teams;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.Tournament
 {
     [Description("for tournament use")]
     public class TestCaseDrawings : ScreenTestCase

osu.Game.Tests/Visual/UserInterface/TestCaseBeatSyncedContainer.cs

@@ -8,16 +8,16 @@ using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
+using osu.Framework.Lists;
 using osu.Framework.Timing;
 using osu.Game.Beatmaps.ControlPoints;
+using osu.Game.Graphics;
 using osu.Game.Graphics.Containers;
 using osu.Game.Graphics.Sprites;
 using osu.Game.Overlays;
 using osuTK.Graphics;
-using osu.Framework.Lists;
-using osu.Game.Graphics;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.UserInterface
 {
     [TestFixture]
     public class TestCaseBeatSyncedContainer : OsuTestCase

osu.Game.Tests/Visual/UserInterface/TestCaseBreadcrumbs.cs

@@ -7,7 +7,7 @@ using osu.Framework.Graphics;
 using osu.Game.Graphics;
 using osu.Game.Graphics.UserInterface;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.UserInterface
 {
     [TestFixture]
     public class TestCaseBreadcrumbs : OsuTestCase

osu.Game.Tests/Visual/UserInterface/TestCaseButtonSystem.cs

@@ -11,7 +11,7 @@ using osu.Framework.Graphics.Shapes;
 using osu.Game.Screens.Menu;
 using osuTK.Graphics;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.UserInterface
 {
     [TestFixture]
     public class TestCaseButtonSystem : OsuTestCase

osu.Game.Tests/Visual/UserInterface/TestCaseContextMenu.cs

@@ -7,12 +7,12 @@ using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Cursor;
 using osu.Framework.Graphics.Shapes;
 using osu.Framework.Graphics.UserInterface;
+using osu.Game.Graphics.Cursor;
 using osu.Game.Graphics.UserInterface;
 using osuTK;
 using osuTK.Graphics;
-using osu.Game.Graphics.Cursor;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.UserInterface
 {
     [TestFixture]
     public class TestCaseContextMenu : OsuTestCase

osu.Game.Tests/Visual/UserInterface/TestCaseCursors.cs

@@ -14,7 +14,7 @@ using osu.Game.Graphics.Sprites;
 using osuTK;
 using osuTK.Graphics;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.UserInterface
 {
     [TestFixture]
     public class TestCaseCursors : ManualInputManagerTestCase

osu.Game.Tests/Visual/UserInterface/TestCaseDialogOverlay.cs

@@ -6,7 +6,7 @@ using osu.Game.Graphics;
 using osu.Game.Overlays;
 using osu.Game.Overlays.Dialog;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.UserInterface
 {
     [TestFixture]
     public class TestCaseDialogOverlay : OsuTestCase

osu.Game.Tests/Visual/UserInterface/TestCaseDrawableDate.cs

@@ -9,7 +9,7 @@ using osu.Game.Graphics;
 using osuTK;
 using osuTK.Graphics;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.UserInterface
 {
     public class TestCaseDrawableDate : OsuTestCase
     {

osu.Game.Tests/Visual/UserInterface/TestCaseHoldToConfirmOverlay.cs

@@ -8,7 +8,7 @@ using osu.Game.Graphics;
 using osu.Game.Graphics.Sprites;
 using osu.Game.Screens.Menu;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.UserInterface
 {
     public class TestCaseHoldToConfirmOverlay : OsuTestCase
     {

osu.Game.Tests/Visual/UserInterface/TestCaseIconButton.cs

@@ -2,16 +2,16 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using NUnit.Framework;
-using osuTK;
-using osuTK.Graphics;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Sprites;
 using osu.Game.Graphics.UserInterface;
+using osuTK;
+using osuTK.Graphics;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.UserInterface
 {
     [TestFixture]
     public class TestCaseIconButton : OsuTestCase

osu.Game.Tests/Visual/UserInterface/TestCaseLabelledTextBox.cs

@@ -1,15 +1,15 @@
 // 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;
+using System.Collections.Generic;
 using NUnit.Framework;
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
-using System;
-using System.Collections.Generic;
 using osu.Game.Screens.Edit.Setup.Components.LabelledComponents;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.UserInterface
 {
     [TestFixture]
     public class TestCaseLabelledTextBox : OsuTestCase

osu.Game.Tests/Visual/UserInterface/TestCaseLoadingAnimation.cs

@@ -7,7 +7,7 @@ using osu.Framework.Testing;
 using osu.Game.Graphics.UserInterface;
 using osuTK.Graphics;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.UserInterface
 {
     public class TestCaseLoadingAnimation : GridTestCase
     {

osu.Game.Tests/Visual/UserInterface/TestCaseMods.cs

@@ -2,26 +2,26 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System;
+using System.Collections.Generic;
+using System.Linq;
+using NUnit.Framework;
 using osu.Framework.Allocation;
+using osu.Framework.Bindables;
 using osu.Framework.Graphics;
+using osu.Game.Graphics.Sprites;
+using osu.Game.Graphics.UserInterface;
 using osu.Game.Overlays.Mods;
+using osu.Game.Overlays.Mods.Sections;
 using osu.Game.Rulesets;
-using osu.Game.Screens.Play.HUD;
-using osuTK;
+using osu.Game.Rulesets.Mania.Mods;
 using osu.Game.Rulesets.Mods;
 using osu.Game.Rulesets.Osu.Mods;
-using System.Linq;
-using System.Collections.Generic;
-using NUnit.Framework;
-using osu.Framework.Bindables;
-using osu.Game.Graphics.UserInterface;
-using osu.Game.Graphics.Sprites;
-using osu.Game.Overlays.Mods.Sections;
-using osu.Game.Rulesets.Mania.Mods;
 using osu.Game.Rulesets.UI;
+using osu.Game.Screens.Play.HUD;
+using osuTK;
 using osuTK.Graphics;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.UserInterface
 {
     [Description("mod select and icon display")]
     public class TestCaseMods : OsuTestCase

osu.Game.Tests/Visual/UserInterface/TestCaseMusicController.cs

@@ -7,7 +7,7 @@ using osu.Framework.Graphics.Containers;
 using osu.Framework.Timing;
 using osu.Game.Overlays;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.UserInterface
 {
     [TestFixture]
     public class TestCaseMusicController : OsuTestCase

osu.Game.Tests/Visual/UserInterface/TestCaseNotificationOverlay.cs

@@ -12,7 +12,7 @@ using osu.Framework.MathUtils;
 using osu.Game.Overlays;
 using osu.Game.Overlays.Notifications;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.UserInterface
 {
     [TestFixture]
     public class TestCaseNotificationOverlay : OsuTestCase

osu.Game.Tests/Visual/UserInterface/TestCaseOnScreenDisplay.cs

@@ -8,7 +8,7 @@ using osu.Framework.Configuration.Tracking;
 using osu.Framework.Graphics;
 using osu.Game.Overlays;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.UserInterface
 {
     [TestFixture]
     public class TestCaseOnScreenDisplay : OsuTestCase

osu.Game.Tests/Visual/UserInterface/TestCaseParallaxContainer.cs

@@ -6,7 +6,7 @@ using osu.Framework.Screens;
 using osu.Game.Graphics.Containers;
 using osu.Game.Screens.Backgrounds;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.UserInterface
 {
     public class TestCaseParallaxContainer : OsuTestCase
     {

osu.Game.Tests/Visual/UserInterface/TestCasePopupDialog.cs

@@ -6,7 +6,7 @@ using osu.Framework.Graphics;
 using osu.Game.Graphics;
 using osu.Game.Overlays.Dialog;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.UserInterface
 {
     [TestFixture]
     public class TestCasePopupDialog : OsuTestCase

osu.Game.Tests/Visual/UserInterface/TestCaseScreenBreadcrumbControl.cs

@@ -13,20 +13,20 @@ using osu.Game.Graphics.UserInterface;
 using osu.Game.Screens;
 using osuTK;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.UserInterface
 {
     [TestFixture]
     public class TestCaseScreenBreadcrumbControl : OsuTestCase
     {
         private readonly ScreenBreadcrumbControl breadcrumbs;
-        private readonly ScreenStack screenStack;
+        private readonly OsuScreenStack screenStack;
 
         public TestCaseScreenBreadcrumbControl()
         {
             OsuSpriteText titleText;
 
             IScreen startScreen = new TestScreenOne();
-            screenStack = new ScreenStack(startScreen) { RelativeSizeAxes = Axes.Both };
+            screenStack = new OsuScreenStack(startScreen) { RelativeSizeAxes = Axes.Both };
 
             Children = new Drawable[]
             {

osu.Game.Tests/Visual/UserInterface/TestCaseTabControl.cs

@@ -8,7 +8,7 @@ using osu.Game.Graphics.UserInterface;
 using osu.Game.Screens.Select.Filter;
 using osuTK;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.UserInterface
 {
     [Description("SongSelect filter control")]
     public class TestCaseTabControl : OsuTestCase

osu.Game.Tests/Visual/UserInterface/TestCaseTextAwesome.cs

@@ -9,7 +9,7 @@ using osu.Framework.Graphics.Cursor;
 using osu.Game.Graphics;
 using osuTK;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.UserInterface
 {
     [TestFixture]
     public class TestCaseTextAwesome : OsuTestCase

osu.Game.Tests/Visual/UserInterface/TestCaseTwoLayerButton.cs

@@ -4,7 +4,7 @@
 using System.ComponentModel;
 using osu.Game.Graphics.UserInterface;
 
-namespace osu.Game.Tests.Visual
+namespace osu.Game.Tests.Visual.UserInterface
 {
     [Description("mostly back button")]
     public class TestCaseTwoLayerButton : OsuTestCase