Add tests

osu.Game.Rulesets.Osu.Tests/TestSceneHitCircleApplication.cs

@@ -0,0 +1,44 @@
+// 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.Timing;
+using osu.Game.Beatmaps;
+using osu.Game.Beatmaps.ControlPoints;
+using osu.Game.Rulesets.Osu.Objects;
+using osu.Game.Rulesets.Osu.Objects.Drawables;
+using osu.Game.Tests.Visual;
+using osuTK;
+
+namespace osu.Game.Rulesets.Osu.Tests
+{
+    public class TestSceneHitCircleApplication : OsuTestScene
+    {
+        [Test]
+        public void TestApplyNewCircle()
+        {
+            DrawableHitCircle dho = null;
+
+            AddStep("create circle", () => Child = dho = new DrawableHitCircle(prepareObject(new HitCircle
+            {
+                Position = new Vector2(256, 192),
+                IndexInCurrentCombo = 0
+            }))
+            {
+                Clock = new FramedClock(new StopwatchClock())
+            });
+
+            AddStep("apply new circle", () => dho.Apply(prepareObject(new HitCircle
+            {
+                Position = new Vector2(128, 128),
+                ComboIndex = 1,
+            })));
+        }
+
+        private HitCircle prepareObject(HitCircle circle)
+        {
+            circle.ApplyDefaults(new ControlPointInfo(), new BeatmapDifficulty());
+            return circle;
+        }
+    }
+}