From 20f426cda0348a8ad4f45cd7b75b0d3ce8a91951 Mon Sep 17 00:00:00 2001
From: Huo Yaoyuan <huoyaoyuan@hotmail.com>
Date: Wed, 8 Jan 2020 22:06:18 +0800
Subject: [PATCH] Add beatmap parsing as sample benchmark.

---
 .../BenchmarkBeatmapParsing.cs                | 37 +++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 osu.Game.Benchmarks/BenchmarkBeatmapParsing.cs

diff --git a/osu.Game.Benchmarks/BenchmarkBeatmapParsing.cs b/osu.Game.Benchmarks/BenchmarkBeatmapParsing.cs
new file mode 100644
index 0000000000..394fd75488
--- /dev/null
+++ b/osu.Game.Benchmarks/BenchmarkBeatmapParsing.cs
@@ -0,0 +1,37 @@
+// 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.IO;
+using BenchmarkDotNet.Attributes;
+using osu.Framework.IO.Stores;
+using osu.Game.Beatmaps;
+using osu.Game.Beatmaps.Formats;
+using osu.Game.IO;
+using osu.Game.IO.Archives;
+using osu.Game.Resources;
+
+namespace osu.Game.Benchmarks
+{
+    public class BenchmarkBeatmapParsing : BenchmarkTest
+    {
+        private readonly MemoryStream beatmapStream = new MemoryStream();
+
+        public override void SetUp()
+        {
+            using (var resources = new DllResourceStore(OsuResources.ResourceAssembly))
+            using (var archive = resources.GetStream("Beatmaps/241526 Soleily - Renatus.osz"))
+            using (var reader = new ZipArchiveReader(archive))
+                reader.GetStream("Soleily - Renatus (Gamu) [Insane].osu").CopyTo(beatmapStream);
+        }
+
+        [Benchmark]
+        public Beatmap BenchmarkBundledBeatmap()
+        {
+            beatmapStream.Seek(0, SeekOrigin.Begin);
+            var reader = new LineBufferedReader(beatmapStream); // no disposal
+
+            var decoder = Decoder.GetDecoder<Beatmap>(reader);
+            return decoder.Decode(reader);
+        }
+    }
+}