diff --git a/osu.Game.Tests/Visual/SongSelect/TestSceneBeatmapCarousel.cs b/osu.Game.Tests/Visual/SongSelect/TestSceneBeatmapCarousel.cs index 0298c3bea9..2f2001c4f2 100644 --- a/osu.Game.Tests/Visual/SongSelect/TestSceneBeatmapCarousel.cs +++ b/osu.Game.Tests/Visual/SongSelect/TestSceneBeatmapCarousel.cs @@ -9,6 +9,7 @@ using osu.Framework.Allocation; using osu.Framework.Extensions.IEnumerableExtensions; using osu.Framework.Graphics; using osu.Framework.Graphics.Containers; +using osu.Framework.Utils; using osu.Game.Beatmaps; using osu.Game.Configuration; using osu.Game.Rulesets; @@ -40,6 +41,36 @@ namespace osu.Game.Tests.Visual.SongSelect this.rulesets = rulesets; } + [Test] + public void TestScrollPositionMaintainedOnAdd() + { + loadBeatmaps(count: 1, randomDifficulties: false); + + for (int i = 0; i < 10; i++) + { + AddRepeatStep("Add some sets", () => carousel.UpdateBeatmapSet(TestResources.CreateTestBeatmapSetInfo()), 4); + + checkSelectionIsCentered(); + } + } + + [Test] + public void TestScrollPositionMaintainedOnDelete() + { + loadBeatmaps(count: 50, randomDifficulties: false); + + for (int i = 0; i < 10; i++) + { + AddRepeatStep("Remove some sets", () => + carousel.RemoveBeatmapSet(carousel.Items.Select(item => item.Item) + .OfType() + .OrderBy(item => item.GetHashCode()) + .First(item => item.State.Value != CarouselItemState.Selected && item.Visible).BeatmapSet), 4); + + checkSelectionIsCentered(); + } + } + [Test] public void TestManyPanels() { @@ -813,6 +844,18 @@ namespace osu.Game.Tests.Visual.SongSelect carousel.Items.Count(s => (diff ? s.Item is CarouselBeatmap : s.Item is CarouselBeatmapSet) && s.Item.Visible) == count); } + private void checkSelectionIsCentered() + { + AddAssert("Selected panel is centered", () => + { + return Precision.AlmostEquals( + carousel.ScreenSpaceDrawQuad.Centre, + carousel.Items + .First(i => i.Item.State.Value == CarouselItemState.Selected) + .ScreenSpaceDrawQuad.Centre, 100); + }); + } + private void checkNoSelection() => AddAssert("Selection is null", () => currentSelection == null); private void nextRandom() =>