Test stopping behavior

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

@@ -0,0 +1,51 @@
+// 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.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Game.Screens.Edit.Components;
+using osuTK;
+
+namespace osu.Game.Tests.Visual.Editor
+{
+    [TestFixture]
+    public class TestSceneEditorClock : EditorClockTestScene
+    {
+        public TestSceneEditorClock()
+        {
+            Add(new FillFlowContainer
+            {
+                RelativeSizeAxes = Axes.Both,
+                Children = new Drawable[]
+                {
+                    new TimeInfoContainer
+                    {
+                        Anchor = Anchor.Centre,
+                        Origin = Anchor.Centre,
+                        Size = new Vector2(200, 100)
+                    },
+                    new PlaybackControl
+                    {
+                        Anchor = Anchor.Centre,
+                        Origin = Anchor.Centre,
+                        Size = new Vector2(200, 100)
+                    }
+                }
+            });
+        }
+
+        [Test]
+        public void TestStopAtTrackEnd()
+        {
+            AddStep("Reset clock", () => Clock.Seek(0));
+            AddStep("Start clock", Clock.Start);
+            AddAssert("Clock running", () => Clock.IsRunning);
+            AddStep("Seek near end", () => Clock.Seek(Clock.TrackLength - 250));
+            AddUntilStep("Clock stops", () => !Clock.IsRunning);
+            AddAssert("Clock stopped at end", () => Clock.CurrentTime == Clock.TrackLength);
+            AddStep("Start clock again", Clock.Start);
+            AddAssert("Clock looped", () => Clock.IsRunning && Clock.CurrentTime < Clock.TrackLength);
+        }
+    }
+}

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

@@ -113,7 +113,6 @@ namespace osu.Game.Tests.Visual.Editor
         private class StartStopButton : OsuButton
         {
             private IAdjustableClock adjustableClock;
-            private bool started;
 
             public StartStopButton()
             {
@@ -132,18 +131,17 @@ namespace osu.Game.Tests.Visual.Editor
 
             private void onClick()
             {
-                if (started)
+                if (adjustableClock.IsRunning)
-                {
                     adjustableClock.Stop();
-                    Text = "Start";
-                }
                 else
-                {
                     adjustableClock.Start();
-                    Text = "Stop";
+            }
-                }
 
-                started = !started;
+            protected override void Update()
+            {
+                base.Update();
+
+                Text = adjustableClock.IsRunning ? "Stop" : "Start";
             }
         }
     }