Add test scene for drawable ranks

osu.Game.Tests/Visual/Ranking/TestSceneDrawableRank.cs

@@ -0,0 +1,39 @@
+// 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.Linq;
+using NUnit.Framework;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Game.Online.Leaderboards;
+using osu.Game.Scoring;
+using osuTK;
+
+namespace osu.Game.Tests.Visual.Ranking
+{
+    public partial class TestSceneDrawableRank : OsuTestScene
+    {
+        [Test]
+        public void TestAllRanks()
+        {
+            AddStep("create content", () => Child = new FillFlowContainer<DrawableRank>
+            {
+                AutoSizeAxes = Axes.X,
+                RelativeSizeAxes = Axes.Y,
+                Origin = Anchor.Centre,
+                Anchor = Anchor.Centre,
+                Direction = FillDirection.Vertical,
+                Padding = new MarginPadding(20),
+                Spacing = new Vector2(10),
+                ChildrenEnumerable = Enum.GetValues<ScoreRank>().OrderBy(v => v).Select(rank => new DrawableRank(rank)
+                {
+                    RelativeSizeAxes = Axes.None,
+                    Size = new Vector2(50, 25),
+                    Anchor = Anchor.Centre,
+                    Origin = Anchor.Centre
+                })
+            });
+        }
+    }
+}