osu/osu.Game.Tests/Mods/MultiModIncompatibilityTest.cs

66 lines
2.6 KiB
C#

// 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.Linq;
using NUnit.Framework;
using osu.Game.Rulesets;
using osu.Game.Rulesets.Catch;
using osu.Game.Rulesets.Mania;
using osu.Game.Rulesets.Mods;
using osu.Game.Rulesets.Osu;
using osu.Game.Rulesets.Taiko;
using osu.Game.Utils;
namespace osu.Game.Tests.Mods
{
[TestFixture]
public class MultiModIncompatibilityTest
{
/// <summary>
/// Ensures that all mods grouped into <see cref="MultiMod"/>s, as declared by the default rulesets, are pairwise incompatible with each other.
/// </summary>
[TestCase(typeof(OsuRuleset))]
[TestCase(typeof(TaikoRuleset))]
[TestCase(typeof(CatchRuleset))]
[TestCase(typeof(ManiaRuleset))]
public void TestAllMultiModsFromRulesetAreIncompatible(Type rulesetType)
{
var ruleset = Activator.CreateInstance(rulesetType) as Ruleset;
Assert.That(ruleset, Is.Not.Null);
var allMultiMods = getMultiMods(ruleset!);
Assert.Multiple(() =>
{
foreach (var multiMod in allMultiMods)
{
int modCount = multiMod.Mods.Length;
for (int i = 0; i < modCount; ++i)
{
// indexing from i + 1 ensures that only pairs of different mods are checked, and are checked only once
// (indexing from 0 would check each pair twice, and also check each mod against itself).
for (int j = i + 1; j < modCount; ++j)
{
var firstMod = multiMod.Mods[i];
var secondMod = multiMod.Mods[j];
Assert.That(
ModUtils.CheckCompatibleSet(new[] { firstMod, secondMod }), Is.False,
$"{firstMod.Name} ({firstMod.Acronym}) and {secondMod.Name} ({secondMod.Acronym}) should be incompatible.");
}
}
}
});
}
/// <remarks>
/// This local helper is used rather than <see cref="Ruleset.CreateAllMods"/>, because the aforementioned method flattens multi mods.
/// </remarks>>
private static IEnumerable<MultiMod> getMultiMods(Ruleset ruleset)
=> Enum.GetValues(typeof(ModType)).Cast<ModType>().SelectMany(ruleset.GetModsFor).OfType<MultiMod>();
}
}