mirror of https://github.com/ppy/osu
49 lines
1.4 KiB
C#
49 lines
1.4 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using System;
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using System.Collections.Generic;
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using BenchmarkDotNet.Attributes;
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using osu.Game.Utils;
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namespace osu.Game.Benchmarks
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{
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public class BenchmarkStringComparison
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{
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private string[] strings = null!;
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[GlobalSetup]
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public void GlobalSetUp()
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{
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strings = new string[10000];
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for (int i = 0; i < strings.Length; ++i)
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strings[i] = Guid.NewGuid().ToString();
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for (int i = 0; i < strings.Length; ++i)
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{
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if (i % 2 == 0)
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strings[i] = strings[i].ToUpperInvariant();
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}
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}
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[Benchmark]
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public void OrdinalIgnoreCase() => compare(StringComparer.OrdinalIgnoreCase);
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[Benchmark]
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public void OrdinalSortByCase() => compare(OrdinalSortByCaseStringComparer.DEFAULT);
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[Benchmark]
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public void InvariantCulture() => compare(StringComparer.InvariantCulture);
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private void compare(IComparer<string> comparer)
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{
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for (int i = 0; i < strings.Length; ++i)
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{
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for (int j = i + 1; j < strings.Length; ++j)
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_ = comparer.Compare(strings[i], strings[j]);
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}
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}
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}
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}
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