Merge branch 'master' into fallback-intro

This commit is contained in:
Dean Herbert
2020-06-12 17:19:11 +09:00
committed by GitHub
129 changed files with 2464 additions and 520 deletions

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@ -19,6 +19,7 @@ using osu.Game.Graphics;
using osu.Game.Graphics.Containers;
using osu.Game.Graphics.Sprites;
using osu.Game.Rulesets;
using osu.Game.Rulesets.Osu;
using osu.Game.Rulesets.Osu.Mods;
using osu.Game.Scoring;
using osu.Game.Screens;
@ -27,6 +28,7 @@ using osu.Game.Screens.Play;
using osu.Game.Screens.Play.PlayerSettings;
using osu.Game.Screens.Ranking;
using osu.Game.Screens.Select;
using osu.Game.Tests.Beatmaps;
using osu.Game.Tests.Resources;
using osu.Game.Users;
using osuTK;
@ -186,9 +188,15 @@ namespace osu.Game.Tests.Visual.Background
public void TestTransition()
{
performFullSetup();
FadeAccessibleResults results = null;
AddStep("Transition to Results", () => player.Push(results =
new FadeAccessibleResults(new ScoreInfo { User = new User { Username = "osu!" } })));
AddStep("Transition to Results", () => player.Push(results = new FadeAccessibleResults(new ScoreInfo
{
User = new User { Username = "osu!" },
Beatmap = new TestBeatmap(new OsuRuleset().RulesetInfo).BeatmapInfo
})));
AddUntilStep("Wait for results is current", () => results.IsCurrentScreen());
AddUntilStep("Screen is undimmed, original background retained", () =>
songSelect.IsBackgroundUndimmed() && songSelect.IsBackgroundCurrent() && results.IsBlurCorrect());

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@ -19,7 +19,7 @@ namespace osu.Game.Tests.Visual.Gameplay
{
var beatmap = Beatmap.Value.GetPlayableBeatmap(ruleset.RulesetInfo, Array.Empty<Mod>());
return new ScoreAccessibleReplayPlayer(ruleset.GetAutoplayMod().CreateReplayScore(beatmap));
return new ScoreAccessibleReplayPlayer(ruleset.GetAutoplayMod()?.CreateReplayScore(beatmap));
}
protected override void AddCheckSteps()

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@ -4,12 +4,18 @@
using System.Collections.Generic;
using System.Linq;
using NUnit.Framework;
using osu.Framework.Allocation;
using osu.Framework.Audio;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Platform;
using osu.Framework.Testing;
using osu.Game.Beatmaps;
using osu.Game.Graphics.Containers;
using osu.Game.Graphics.UserInterface;
using osu.Game.Online.Multiplayer;
using osu.Game.Overlays;
using osu.Game.Rulesets;
using osu.Game.Rulesets.Osu;
using osu.Game.Rulesets.Osu.Mods;
using osu.Game.Screens.Multi;
@ -23,6 +29,18 @@ namespace osu.Game.Tests.Visual.Multiplayer
{
private TestPlaylist playlist;
private BeatmapManager manager;
private RulesetStore rulesets;
[BackgroundDependencyLoader]
private void load(GameHost host, AudioManager audio)
{
Dependencies.Cache(rulesets = new RulesetStore(ContextFactory));
Dependencies.Cache(manager = new BeatmapManager(LocalStorage, ContextFactory, rulesets, null, audio, host, Beatmap.Default));
manager.Import(new TestBeatmap(new OsuRuleset().RulesetInfo).BeatmapInfo.BeatmapSet).Wait();
}
[Test]
public void TestNonEditableNonSelectable()
{
@ -182,6 +200,28 @@ namespace osu.Game.Tests.Visual.Multiplayer
AddStep("click delete button", () => InputManager.Click(MouseButton.Left));
}
[Test]
public void TestDownloadButtonHiddenInitiallyWhenBeatmapExists()
{
createPlaylist(new TestBeatmap(new OsuRuleset().RulesetInfo).BeatmapInfo);
AddAssert("download button hidden", () => !playlist.ChildrenOfType<BeatmapDownloadTrackingComposite>().Single().IsPresent);
}
[Test]
public void TestDownloadButtonVisibleInitiallyWhenBeatmapDoesNotExist()
{
var byOnlineId = new TestBeatmap(new OsuRuleset().RulesetInfo).BeatmapInfo;
byOnlineId.BeatmapSet.OnlineBeatmapSetID = 1337; // Some random ID that does not exist locally.
var byChecksum = new TestBeatmap(new OsuRuleset().RulesetInfo).BeatmapInfo;
byChecksum.MD5Hash = "1337"; // Some random checksum that does not exist locally.
createPlaylist(byOnlineId, byChecksum);
AddAssert("download buttons shown", () => playlist.ChildrenOfType<BeatmapDownloadTrackingComposite>().All(d => d.IsPresent));
}
private void moveToItem(int index, Vector2? offset = null)
=> AddStep($"move mouse to item {index}", () => InputManager.MoveMouseTo(playlist.ChildrenOfType<OsuRearrangeableListItem<PlaylistItem>>().ElementAt(index), offset));
@ -235,6 +275,39 @@ namespace osu.Game.Tests.Visual.Multiplayer
AddUntilStep("wait for items to load", () => playlist.ItemMap.Values.All(i => i.IsLoaded));
}
private void createPlaylist(params BeatmapInfo[] beatmaps)
{
AddStep("create playlist", () =>
{
Child = playlist = new TestPlaylist(false, false)
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
Size = new Vector2(500, 300)
};
int index = 0;
foreach (var b in beatmaps)
{
playlist.Items.Add(new PlaylistItem
{
ID = index++,
Beatmap = { Value = b },
Ruleset = { Value = new OsuRuleset().RulesetInfo },
RequiredMods =
{
new OsuModHardRock(),
new OsuModDoubleTime(),
new OsuModAutoplay()
}
});
}
});
AddUntilStep("wait for items to load", () => playlist.ItemMap.Values.All(i => i.IsLoaded));
}
private class TestPlaylist : DrawableRoomPlaylist
{
public new IReadOnlyDictionary<PlaylistItem, RearrangeableListItem<PlaylistItem>> ItemMap => base.ItemMap;

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@ -141,6 +141,9 @@ namespace osu.Game.Tests.Visual.Multiplayer
}
public readonly BindableList<Room> Rooms = new BindableList<Room>();
public Bindable<bool> InitialRoomsReceived { get; } = new Bindable<bool>(true);
IBindableList<Room> IRoomManager.Rooms => Rooms;
public void CreateRoom(Room room, Action<Room> onSuccess = null, Action<string> onError = null) => Rooms.Add(room);

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@ -133,6 +133,8 @@ namespace osu.Game.Tests.Visual.Multiplayer
remove { }
}
public Bindable<bool> InitialRoomsReceived { get; } = new Bindable<bool>(true);
public IBindableList<Room> Rooms { get; } = null;
public void CreateRoom(Room room, Action<Room> onSuccess = null, Action<string> onError = null)

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@ -5,7 +5,9 @@ using System;
using System.Linq;
using NUnit.Framework;
using osu.Framework.Allocation;
using osu.Framework.Audio;
using osu.Framework.Bindables;
using osu.Framework.Platform;
using osu.Framework.Screens;
using osu.Framework.Testing;
using osu.Game.Beatmaps;
@ -29,14 +31,20 @@ namespace osu.Game.Tests.Visual.Multiplayer
[Cached(typeof(IRoomManager))]
private readonly TestRoomManager roomManager = new TestRoomManager();
[Resolved]
private BeatmapManager beatmaps { get; set; }
[Resolved]
private RulesetStore rulesets { get; set; }
private BeatmapManager manager;
private RulesetStore rulesets;
private TestMatchSubScreen match;
[BackgroundDependencyLoader]
private void load(GameHost host, AudioManager audio)
{
Dependencies.Cache(rulesets = new RulesetStore(ContextFactory));
Dependencies.Cache(manager = new BeatmapManager(LocalStorage, ContextFactory, rulesets, null, audio, host, Beatmap.Default));
manager.Import(new TestBeatmap(new OsuRuleset().RulesetInfo).BeatmapInfo.BeatmapSet).Wait();
}
[SetUp]
public void Setup() => Schedule(() =>
{
@ -75,10 +83,49 @@ namespace osu.Game.Tests.Visual.Multiplayer
AddAssert("first playlist item selected", () => match.SelectedItem.Value == Room.Playlist[0]);
}
[Test]
public void TestBeatmapUpdatedOnReImport()
{
BeatmapSetInfo importedSet = null;
AddStep("import altered beatmap", () =>
{
var beatmap = new TestBeatmap(new OsuRuleset().RulesetInfo);
beatmap.BeatmapInfo.BaseDifficulty.CircleSize = 1;
importedSet = manager.Import(beatmap.BeatmapInfo.BeatmapSet).Result;
});
AddStep("load room", () =>
{
Room.Name.Value = "my awesome room";
Room.Host.Value = new User { Id = 2, Username = "peppy" };
Room.Playlist.Add(new PlaylistItem
{
Beatmap = { Value = importedSet.Beatmaps[0] },
Ruleset = { Value = new OsuRuleset().RulesetInfo }
});
});
AddStep("create room", () =>
{
InputManager.MoveMouseTo(match.ChildrenOfType<MatchSettingsOverlay.CreateRoomButton>().Single());
InputManager.Click(MouseButton.Left);
});
AddAssert("match has altered beatmap", () => match.Beatmap.Value.Beatmap.BeatmapInfo.BaseDifficulty.CircleSize == 1);
AddStep("re-import original beatmap", () => manager.Import(new TestBeatmap(new OsuRuleset().RulesetInfo).BeatmapInfo.BeatmapSet).Wait());
AddAssert("match has original beatmap", () => match.Beatmap.Value.Beatmap.BeatmapInfo.BaseDifficulty.CircleSize != 1);
}
private class TestMatchSubScreen : MatchSubScreen
{
public new Bindable<PlaylistItem> SelectedItem => base.SelectedItem;
public new Bindable<WorkingBeatmap> Beatmap => base.Beatmap;
public TestMatchSubScreen(Room room)
: base(room)
{
@ -93,6 +140,8 @@ namespace osu.Game.Tests.Visual.Multiplayer
remove => throw new NotImplementedException();
}
public Bindable<bool> InitialRoomsReceived { get; } = new Bindable<bool>(true);
public IBindableList<Room> Rooms { get; } = new BindableList<Room>();
public void CreateRoom(Room room, Action<Room> onSuccess = null, Action<string> onError = null)

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@ -0,0 +1,124 @@
// 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.Collections.Generic;
using System.Threading.Tasks;
using NUnit.Framework;
using osu.Game.Online.API;
using osu.Game.Online.API.Requests;
using osu.Game.Online.Multiplayer;
using osu.Game.Rulesets.Osu;
using osu.Game.Rulesets.Scoring;
using osu.Game.Scoring;
using osu.Game.Screens.Multi.Ranking;
using osu.Game.Tests.Beatmaps;
using osu.Game.Users;
namespace osu.Game.Tests.Visual.Multiplayer
{
public class TestSceneTimeshiftResultsScreen : ScreenTestScene
{
private bool roomsReceived;
[SetUp]
public void Setup() => Schedule(() =>
{
roomsReceived = false;
bindHandler();
});
[Test]
public void TestShowResultsWithScore()
{
createResults(new TestScoreInfo(new OsuRuleset().RulesetInfo));
AddWaitStep("wait for display", 5);
}
[Test]
public void TestShowResultsNullScore()
{
createResults(null);
AddWaitStep("wait for display", 5);
}
[Test]
public void TestShowResultsNullScoreWithDelay()
{
AddStep("bind delayed handler", () => bindHandler(3000));
createResults(null);
AddUntilStep("wait for rooms to be received", () => roomsReceived);
AddWaitStep("wait for display", 5);
}
private void createResults(ScoreInfo score)
{
AddStep("load results", () =>
{
LoadScreen(new TimeshiftResultsScreen(score, 1, new PlaylistItem
{
Beatmap = { Value = new TestBeatmap(new OsuRuleset().RulesetInfo).BeatmapInfo },
Ruleset = { Value = new OsuRuleset().RulesetInfo }
}));
});
}
private void bindHandler(double delay = 0)
{
var roomScores = new List<RoomScore>();
for (int i = 0; i < 10; i++)
{
roomScores.Add(new RoomScore
{
ID = i,
Accuracy = 0.9 - 0.01 * i,
EndedAt = DateTimeOffset.Now.Subtract(TimeSpan.FromHours(i)),
Passed = true,
Rank = ScoreRank.B,
MaxCombo = 999,
TotalScore = 999999 - i * 1000,
User = new User
{
Id = 2,
Username = $"peppy{i}",
CoverUrl = "https://osu.ppy.sh/images/headers/profile-covers/c3.jpg",
},
Statistics =
{
{ HitResult.Miss, 1 },
{ HitResult.Meh, 50 },
{ HitResult.Good, 100 },
{ HitResult.Great, 300 },
}
});
}
((DummyAPIAccess)API).HandleRequest = request =>
{
switch (request)
{
case GetRoomPlaylistScoresRequest r:
if (delay == 0)
success();
else
{
Task.Run(async () =>
{
await Task.Delay(TimeSpan.FromMilliseconds(delay));
Schedule(success);
});
}
void success()
{
r.TriggerSuccess(new RoomPlaylistScores { Scores = roomScores });
roomsReceived = true;
}
break;
}
};
}
}
}

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@ -246,7 +246,12 @@ namespace osu.Game.Tests.Visual.Online
{
((BindableList<Channel>)ChannelManager.AvailableChannels).AddRange(channels);
Child = ChatOverlay = new TestChatOverlay { RelativeSizeAxes = Axes.Both, };
InternalChildren = new Drawable[]
{
ChannelManager,
ChatOverlay = new TestChatOverlay { RelativeSizeAxes = Axes.Both, },
};
ChatOverlay.Show();
}
}

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@ -4,7 +4,6 @@
using System.Linq;
using NUnit.Framework;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Extensions.Color4Extensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
@ -33,7 +32,10 @@ namespace osu.Game.Tests.Visual.Ranking
{
var author = new User { Username = "mapper_name" };
AddStep("show example score", () => showPanel(createTestBeatmap(author), new TestScoreInfo(new OsuRuleset().RulesetInfo)));
AddStep("show example score", () => showPanel(new TestScoreInfo(new OsuRuleset().RulesetInfo)
{
Beatmap = createTestBeatmap(author)
}));
AddAssert("mapper name present", () => this.ChildrenOfType<OsuSpriteText>().Any(spriteText => spriteText.Text == "mapper_name"));
}
@ -41,38 +43,34 @@ namespace osu.Game.Tests.Visual.Ranking
[Test]
public void TestMapWithUnknownMapper()
{
AddStep("show example score", () => showPanel(createTestBeatmap(null), new TestScoreInfo(new OsuRuleset().RulesetInfo)));
AddStep("show example score", () => showPanel(new TestScoreInfo(new OsuRuleset().RulesetInfo)
{
Beatmap = createTestBeatmap(null)
}));
AddAssert("mapped by text not present", () =>
this.ChildrenOfType<OsuSpriteText>().All(spriteText => !containsAny(spriteText.Text, "mapped", "by")));
}
private void showPanel(WorkingBeatmap workingBeatmap, ScoreInfo score)
{
Child = new ExpandedPanelMiddleContentContainer(workingBeatmap, score);
}
private void showPanel(ScoreInfo score) => Child = new ExpandedPanelMiddleContentContainer(score);
private WorkingBeatmap createTestBeatmap(User author)
private BeatmapInfo createTestBeatmap(User author)
{
var beatmap = new TestBeatmap(rulesetStore.GetRuleset(0));
var beatmap = new TestBeatmap(rulesetStore.GetRuleset(0)).BeatmapInfo;
beatmap.Metadata.Author = author;
beatmap.Metadata.Title = "Verrrrrrrrrrrrrrrrrrry looooooooooooooooooooooooong beatmap title";
beatmap.Metadata.Artist = "Verrrrrrrrrrrrrrrrrrry looooooooooooooooooooooooong beatmap artist";
return new TestWorkingBeatmap(beatmap);
return beatmap;
}
private bool containsAny(string text, params string[] stringsToMatch) => stringsToMatch.Any(text.Contains);
private class ExpandedPanelMiddleContentContainer : Container
{
[Cached]
private Bindable<WorkingBeatmap> workingBeatmap { get; set; }
public ExpandedPanelMiddleContentContainer(WorkingBeatmap beatmap, ScoreInfo score)
public ExpandedPanelMiddleContentContainer(ScoreInfo score)
{
workingBeatmap = new Bindable<WorkingBeatmap>(beatmap);
Anchor = Anchor.Centre;
Origin = Anchor.Centre;
Size = new Vector2(ScorePanel.EXPANDED_WIDTH, 700);

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@ -36,12 +36,14 @@ namespace osu.Game.Tests.Visual.Ranking
Beatmap.Value = beatmaps.GetWorkingBeatmap(beatmapInfo);
}
private TestSoloResults createResultsScreen() => new TestSoloResults(new TestScoreInfo(new OsuRuleset().RulesetInfo));
private TestResultsScreen createResultsScreen() => new TestResultsScreen(new TestScoreInfo(new OsuRuleset().RulesetInfo));
private UnrankedSoloResultsScreen createUnrankedSoloResultsScreen() => new UnrankedSoloResultsScreen(new TestScoreInfo(new OsuRuleset().RulesetInfo));
[Test]
public void ResultsWithoutPlayer()
{
TestSoloResults screen = null;
TestResultsScreen screen = null;
OsuScreenStack stack;
AddStep("load results", () =>
@ -60,13 +62,23 @@ namespace osu.Game.Tests.Visual.Ranking
[Test]
public void ResultsWithPlayer()
{
TestSoloResults screen = null;
TestResultsScreen screen = null;
AddStep("load results", () => Child = new TestResultsContainer(screen = createResultsScreen()));
AddUntilStep("wait for loaded", () => screen.IsLoaded);
AddAssert("retry overlay present", () => screen.RetryOverlay != null);
}
[Test]
public void ResultsForUnranked()
{
UnrankedSoloResultsScreen screen = null;
AddStep("load results", () => Child = new TestResultsContainer(screen = createUnrankedSoloResultsScreen()));
AddUntilStep("wait for loaded", () => screen.IsLoaded);
AddAssert("retry overlay present", () => screen.RetryOverlay != null);
}
private class TestResultsContainer : Container
{
[Cached(typeof(Player))]
@ -86,11 +98,11 @@ namespace osu.Game.Tests.Visual.Ranking
}
}
private class TestSoloResults : ResultsScreen
private class TestResultsScreen : ResultsScreen
{
public HotkeyRetryOverlay RetryOverlay;
public TestSoloResults(ScoreInfo score)
public TestResultsScreen(ScoreInfo score)
: base(score)
{
}
@ -102,5 +114,24 @@ namespace osu.Game.Tests.Visual.Ranking
RetryOverlay = InternalChildren.OfType<HotkeyRetryOverlay>().SingleOrDefault();
}
}
private class UnrankedSoloResultsScreen : SoloResultsScreen
{
public HotkeyRetryOverlay RetryOverlay;
public UnrankedSoloResultsScreen(ScoreInfo score)
: base(score)
{
Score.Beatmap.OnlineBeatmapID = 0;
Score.Beatmap.Status = BeatmapSetOnlineStatus.Pending;
}
protected override void LoadComplete()
{
base.LoadComplete();
RetryOverlay = InternalChildren.OfType<HotkeyRetryOverlay>().SingleOrDefault();
}
}
}
}

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@ -1,13 +1,19 @@
// 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.Diagnostics;
using System.Linq;
using NUnit.Framework;
using osu.Framework.Testing;
using osu.Framework.Threading;
using osu.Game.Overlays;
using osu.Game.Overlays.KeyBinding;
using osuTK.Input;
namespace osu.Game.Tests.Visual.Settings
{
[TestFixture]
public class TestSceneKeyBindingPanel : OsuTestScene
public class TestSceneKeyBindingPanel : OsuManualInputManagerTestScene
{
private readonly KeyBindingPanel panel;
@ -21,5 +27,42 @@ namespace osu.Game.Tests.Visual.Settings
base.LoadComplete();
panel.Show();
}
[Test]
public void TestClickTwiceOnClearButton()
{
KeyBindingRow firstRow = null;
AddStep("click first row", () =>
{
firstRow = panel.ChildrenOfType<KeyBindingRow>().First();
InputManager.MoveMouseTo(firstRow);
InputManager.Click(MouseButton.Left);
});
AddStep("schedule button clicks", () =>
{
var clearButton = firstRow.ChildrenOfType<KeyBindingRow.ClearButton>().Single();
InputManager.MoveMouseTo(clearButton);
int buttonClicks = 0;
ScheduledDelegate clickDelegate = null;
clickDelegate = Scheduler.AddDelayed(() =>
{
InputManager.PressButton(MouseButton.Left);
InputManager.ReleaseButton(MouseButton.Left);
if (++buttonClicks == 2)
{
// ReSharper disable once AccessToModifiedClosure
Debug.Assert(clickDelegate != null);
// ReSharper disable once AccessToModifiedClosure
clickDelegate.Cancel();
}
}, 0, true);
});
}
}
}

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@ -38,13 +38,9 @@ namespace osu.Game.Tests.Visual.SongSelect
public class TestScenePlaySongSelect : ScreenTestScene
{
private BeatmapManager manager;
private RulesetStore rulesets;
private MusicController music;
private WorkingBeatmap defaultBeatmap;
private TestSongSelect songSelect;
[BackgroundDependencyLoader]
@ -308,15 +304,13 @@ namespace osu.Game.Tests.Visual.SongSelect
AddAssert("random map selected", () => songSelect.CurrentBeatmap != defaultBeatmap);
var sortMode = config.GetBindable<SortMode>(OsuSetting.SongSelectSortingMode);
AddStep(@"Sort by Artist", delegate { sortMode.Value = SortMode.Artist; });
AddStep(@"Sort by Title", delegate { sortMode.Value = SortMode.Title; });
AddStep(@"Sort by Author", delegate { sortMode.Value = SortMode.Author; });
AddStep(@"Sort by DateAdded", delegate { sortMode.Value = SortMode.DateAdded; });
AddStep(@"Sort by BPM", delegate { sortMode.Value = SortMode.BPM; });
AddStep(@"Sort by Length", delegate { sortMode.Value = SortMode.Length; });
AddStep(@"Sort by Difficulty", delegate { sortMode.Value = SortMode.Difficulty; });
AddStep(@"Sort by Artist", () => config.Set(OsuSetting.SongSelectSortingMode, SortMode.Artist));
AddStep(@"Sort by Title", () => config.Set(OsuSetting.SongSelectSortingMode, SortMode.Title));
AddStep(@"Sort by Author", () => config.Set(OsuSetting.SongSelectSortingMode, SortMode.Author));
AddStep(@"Sort by DateAdded", () => config.Set(OsuSetting.SongSelectSortingMode, SortMode.DateAdded));
AddStep(@"Sort by BPM", () => config.Set(OsuSetting.SongSelectSortingMode, SortMode.BPM));
AddStep(@"Sort by Length", () => config.Set(OsuSetting.SongSelectSortingMode, SortMode.Length));
AddStep(@"Sort by Difficulty", () => config.Set(OsuSetting.SongSelectSortingMode, SortMode.Difficulty));
}
[Test]

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@ -1,6 +1,7 @@
// 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.Diagnostics;
using System.Reflection;
using NUnit.Framework;
using osu.Framework.Extensions.IEnumerableExtensions;
@ -45,7 +46,12 @@ namespace osu.Game.Tests.Visual.UserInterface
});
foreach (var p in typeof(OsuIcon).GetProperties(BindingFlags.Public | BindingFlags.Static))
flow.Add(new Icon($"{nameof(OsuIcon)}.{p.Name}", (IconUsage)p.GetValue(null)));
{
var propValue = p.GetValue(null);
Debug.Assert(propValue != null);
flow.Add(new Icon($"{nameof(OsuIcon)}.{p.Name}", (IconUsage)propValue));
}
AddStep("toggle shadows", () => flow.Children.ForEach(i => i.SpriteIcon.Shadow = !i.SpriteIcon.Shadow));
AddStep("change icons", () => flow.Children.ForEach(i => i.SpriteIcon.Icon = new IconUsage((char)(i.SpriteIcon.Icon.Icon + 1))));