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fix crash in SongSelect when traversing while zero beatmaps are loaded

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This commit is contained in:
Aergwyn
2017-12-23 12:53:11 +01:00
parent ea90c0cf40
commit 1d67746d32
2 changed files with 21 additions and 1 deletions
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19
osu.Game.Tests/Visual/TestCaseBeatmapCarousel.cs
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@ -69,6 +69,7 @@ namespace osu.Game.Tests.Visual
testSorting();
testRemoveAll();
testEmptyTraversal();
}
private void ensureRandomFetchSuccess() =>
@ -103,6 +104,8 @@ namespace osu.Game.Tests.Visual
AddAssert($"{count} {(diff ? "diffs" : "sets")} visible", () =>
carousel.Items.Count(s => (diff ? s.Item is CarouselBeatmap : s.Item is CarouselBeatmapSet) && s.Item.Visible) == count);
private void checkNoSelection() => AddAssert("Selection is null", () => currentSelection == null);
private void nextRandom() =>
AddStep("select random next", () =>
{
@ -274,9 +277,23 @@ namespace osu.Game.Tests.Visual
return false;
}, "Remove all");
AddAssert("Selection is null", () => currentSelection == null);
checkNoSelection();
}
private void testEmptyTraversal()
{
advanceSelection(direction: 1, diff: false);
checkNoSelection();
advanceSelection(direction: 1, diff: true);
checkNoSelection();
advanceSelection(direction: -1, diff: false);
checkNoSelection();
advanceSelection(direction: -1, diff: true);
checkNoSelection();
}
private BeatmapSetInfo createTestBeatmapSet(int i)
{