From 491840b17d215cd983dca0badaac0a502e6d0d19 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bart=C5=82omiej=20Dach?= <dach.bartlomiej@gmail.com>
Date: Fri, 6 Mar 2020 21:10:23 +0100
Subject: [PATCH] Add failing tests

---
 .../TestSceneHitCircleArea.cs                 | 108 ++++++++++++++++++
 1 file changed, 108 insertions(+)
 create mode 100644 osu.Game.Rulesets.Osu.Tests/TestSceneHitCircleArea.cs

diff --git a/osu.Game.Rulesets.Osu.Tests/TestSceneHitCircleArea.cs b/osu.Game.Rulesets.Osu.Tests/TestSceneHitCircleArea.cs
new file mode 100644
index 0000000000..06eccdafdb
--- /dev/null
+++ b/osu.Game.Rulesets.Osu.Tests/TestSceneHitCircleArea.cs
@@ -0,0 +1,108 @@
+// 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 NUnit.Framework;
+using osu.Framework.Graphics;
+using osu.Framework.Testing;
+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.Rulesets.Scoring;
+using osu.Game.Skinning;
+using osuTK;
+
+namespace osu.Game.Rulesets.Osu.Tests
+{
+    public class TestSceneHitCircleArea : ManualInputManagerTestScene
+    {
+        private HitCircle hitCircle;
+        private DrawableHitCircle drawableHitCircle;
+        private DrawableHitCircle.HitReceptor hitAreaReceptor => drawableHitCircle.HitArea;
+
+        [SetUp]
+        public new void SetUp()
+        {
+            base.SetUp();
+
+            Schedule(() =>
+            {
+                hitCircle = new HitCircle
+                {
+                    Position = new Vector2(100, 100),
+                    StartTime = Time.Current + 500
+                };
+
+                hitCircle.ApplyDefaults(new ControlPointInfo(), new BeatmapDifficulty());
+
+                Child = new SkinProvidingContainer(new DefaultSkin())
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Child = drawableHitCircle = new DrawableHitCircle(hitCircle)
+                    {
+                        Size = new Vector2(100)
+                    }
+                };
+            });
+        }
+
+        [Test]
+        public void TestCircleHitCentre()
+        {
+            AddStep("move mouse to centre", () => InputManager.MoveMouseTo(hitAreaReceptor.ScreenSpaceDrawQuad.Centre));
+            scheduleHit();
+
+            AddAssert("hit registered", () => hitAreaReceptor.HitAction == OsuAction.LeftButton);
+        }
+
+        [Test]
+        public void TestCircleHitLeftEdge()
+        {
+            AddStep("move mouse to left edge", () =>
+            {
+                var drawQuad = hitAreaReceptor.ScreenSpaceDrawQuad;
+                var mousePosition = new Vector2(drawQuad.TopLeft.X, drawQuad.Centre.Y);
+
+                InputManager.MoveMouseTo(mousePosition);
+            });
+            scheduleHit();
+
+            AddAssert("hit registered", () => hitAreaReceptor.HitAction == OsuAction.LeftButton);
+        }
+
+        [Test]
+        public void TestCircleHitTopLeftEdge()
+        {
+            AddStep("move mouse to top left circle edge", () =>
+            {
+                var drawQuad = hitAreaReceptor.ScreenSpaceDrawQuad;
+                // sqrt(2) / 2 = sin(45deg) = cos(45deg)
+                // draw width halved to get radius
+                // 0.95f taken for leniency
+                float correction = 0.95f * (float)Math.Sqrt(2) / 2 * (drawQuad.Width / 2);
+                var mousePosition = new Vector2(drawQuad.Centre.X - correction, drawQuad.Centre.Y - correction);
+
+                InputManager.MoveMouseTo(mousePosition);
+            });
+            scheduleHit();
+
+            AddAssert("hit registered", () => hitAreaReceptor.HitAction == OsuAction.LeftButton);
+        }
+
+        [Test]
+        public void TestCircleMissBoundingBoxCorner()
+        {
+            AddStep("move mouse to top left corner of bounding box", () => InputManager.MoveMouseTo(hitAreaReceptor.ScreenSpaceDrawQuad.TopLeft));
+            scheduleHit();
+
+            AddAssert("hit not registered", () => hitAreaReceptor.HitAction == null);
+        }
+
+        private void scheduleHit() => AddStep("schedule action", () =>
+        {
+            var delay = hitCircle.StartTime - hitCircle.HitWindows.WindowFor(HitResult.Great) - Time.Current;
+            Scheduler.AddDelayed(() => hitAreaReceptor.OnPressed(OsuAction.LeftButton), delay);
+        });
+    }
+}