Add placement mask testcase

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

@@ -0,0 +1,19 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Game.Rulesets.Edit;
+using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Objects.Drawables;
+using osu.Game.Rulesets.Osu.Edit.Masks.HitCircle;
+using osu.Game.Rulesets.Osu.Objects;
+using osu.Game.Rulesets.Osu.Objects.Drawables;
+using osu.Game.Tests.Visual;
+
+namespace osu.Game.Rulesets.Osu.Tests
+{
+    public class TestCaseHitCirclePlacementMask : HitObjectPlacementMaskTestCase
+    {
+        protected override DrawableHitObject CreateHitObject(HitObject hitObject) => new DrawableHitCircle((HitCircle)hitObject);
+        protected override PlacementMask CreateMask() => new HitCirclePlacementMask();
+    }
+}

osu.Game/Tests/Visual/HitObjectPlacementMaskTestCase.cs

@@ -0,0 +1,63 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Framework.Allocation;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Timing;
+using osu.Game.Rulesets.Edit;
+using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Objects.Drawables;
+using osu.Game.Screens.Edit.Screens.Compose;
+
+namespace osu.Game.Tests.Visual
+{
+    [Cached(Type = typeof(IPlacementHandler))]
+    public abstract class HitObjectPlacementMaskTestCase : OsuTestCase, IPlacementHandler
+    {
+        private readonly Container hitObjectContainer;
+        private PlacementMask currentMask;
+
+        protected HitObjectPlacementMaskTestCase()
+        {
+            Add(hitObjectContainer = new Container
+            {
+                RelativeSizeAxes = Axes.Both,
+                Clock = new FramedClock(new StopwatchClock())
+            });
+        }
+
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            Add(currentMask = CreateMask());
+        }
+
+        protected override IReadOnlyDependencyContainer CreateChildDependencies(IReadOnlyDependencyContainer parent)
+        {
+            var dependencies = new DependencyContainer(base.CreateChildDependencies(parent));
+            dependencies.CacheAs<IAdjustableClock>(new StopwatchClock());
+
+            return dependencies;
+        }
+
+        public void BeginPlacement(HitObject hitObject)
+        {
+        }
+
+        public void EndPlacement(HitObject hitObject)
+        {
+            hitObjectContainer.Add(CreateHitObject(hitObject));
+
+            Remove(currentMask);
+            Add(currentMask = CreateMask());
+        }
+
+        public void Delete(HitObject hitObject)
+        {
+        }
+
+        protected abstract DrawableHitObject CreateHitObject(HitObject hitObject);
+        protected abstract PlacementMask CreateMask();
+    }
+}