Rename test cases to test scenes inline with the framework change

osu.Game.Tests/Visual/UserInterface/TestSceneScreenBreadcrumbControl.cs

@@ -0,0 +1,136 @@
+// 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.Linq;
+using NUnit.Framework;
+using osu.Framework.Allocation;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Screens;
+using osu.Game.Graphics;
+using osu.Game.Graphics.Sprites;
+using osu.Game.Graphics.UserInterface;
+using osu.Game.Screens;
+using osuTK;
+
+namespace osu.Game.Tests.Visual.UserInterface
+{
+    [TestFixture]
+    public class TestSceneScreenBreadcrumbControl : OsuTestScene
+    {
+        private readonly ScreenBreadcrumbControl breadcrumbs;
+        private readonly OsuScreenStack screenStack;
+
+        public TestSceneScreenBreadcrumbControl()
+        {
+            OsuSpriteText titleText;
+
+            IScreen startScreen = new TestScreenOne();
+            screenStack = new OsuScreenStack(startScreen) { RelativeSizeAxes = Axes.Both };
+
+            Children = new Drawable[]
+            {
+                screenStack,
+                new FillFlowContainer
+                {
+                    RelativeSizeAxes = Axes.X,
+                    AutoSizeAxes = Axes.Y,
+                    Direction = FillDirection.Vertical,
+                    Spacing = new Vector2(10),
+                    Children = new Drawable[]
+                    {
+                        breadcrumbs = new ScreenBreadcrumbControl(screenStack)
+                        {
+                            RelativeSizeAxes = Axes.X,
+                        },
+                        titleText = new OsuSpriteText(),
+                    },
+                },
+            };
+
+            breadcrumbs.Current.ValueChanged += screen => titleText.Text = $"Changed to {screen.NewValue.ToString()}";
+            breadcrumbs.Current.TriggerChange();
+
+            waitForCurrent();
+            pushNext();
+            waitForCurrent();
+            pushNext();
+            waitForCurrent();
+
+            AddStep(@"make start current", () => startScreen.MakeCurrent());
+
+            waitForCurrent();
+            pushNext();
+            waitForCurrent();
+            AddAssert(@"only 2 items", () => breadcrumbs.Items.Count() == 2);
+            AddStep(@"exit current", () => screenStack.CurrentScreen.Exit());
+            AddAssert(@"current screen is first", () => startScreen == screenStack.CurrentScreen);
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(OsuColour colours)
+        {
+            breadcrumbs.StripColour = colours.Blue;
+        }
+
+        private void pushNext() => AddStep(@"push next screen", () => ((TestScreen)screenStack.CurrentScreen).PushNext());
+        private void waitForCurrent() => AddUntilStep("current screen", () => screenStack.CurrentScreen.IsCurrentScreen());
+
+        private abstract class TestScreen : OsuScreen
+        {
+            protected abstract string NextTitle { get; }
+            protected abstract TestScreen CreateNextScreen();
+
+            public TestScreen PushNext()
+            {
+                TestScreen screen = CreateNextScreen();
+                this.Push(screen);
+
+                return screen;
+            }
+
+            protected TestScreen()
+            {
+                InternalChild = new FillFlowContainer
+                {
+                    Anchor = Anchor.Centre,
+                    Origin = Anchor.Centre,
+                    AutoSizeAxes = Axes.Both,
+                    Direction = FillDirection.Vertical,
+                    Spacing = new Vector2(10),
+                    Children = new Drawable[]
+                    {
+                        new OsuSpriteText
+                        {
+                            Anchor = Anchor.TopCentre,
+                            Origin = Anchor.TopCentre,
+                            Text = Title,
+                        },
+                        new TriangleButton
+                        {
+                            Anchor = Anchor.TopCentre,
+                            Origin = Anchor.TopCentre,
+                            Width = 100,
+                            Text = $"Push {NextTitle}",
+                            Action = () => PushNext(),
+                        },
+                    },
+                };
+            }
+        }
+
+        private class TestScreenOne : TestScreen
+        {
+            public override string Title => @"Screen One";
+            protected override string NextTitle => @"Two";
+            protected override TestScreen CreateNextScreen() => new TestScreenTwo();
+        }
+
+        private class TestScreenTwo : TestScreen
+        {
+            public override string Title => @"Screen Two";
+            protected override string NextTitle => @"One";
+            protected override TestScreen CreateNextScreen() => new TestScreenOne();
+        }
+    }
+}