using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Columns;
using BenchmarkDotNet.Configs;
using BenchmarkDotNet.Environments;
using BenchmarkDotNet.Jobs;
using BenchmarkDotNet.Reports;
using System.Text;

[HideColumns("Error", "StdDev", "Median", "RatioSD")]
[MemoryDiagnoser(displayGenColumns: false)]
[Config(typeof(Config))]
public class StringBuilderReplace
{
    private readonly StringBuilder _sb = new StringBuilder()
        .Append("Shall I compare thee to a summer's day? ")
        .Append("Thou art more lovely and more temperate: ")
        .Append("Rough winds do shake the darling buds of May, ")
        .Append("And summer's lease hath all too short a date; ")
        .Append("Sometime too hot the eye of heaven shines, ")
        .Append("And often is his gold complexion dimm'd; ")
        .Append("And every fair from fair sometime declines, ")
        .Append("By chance or nature's changing course untrimm'd; ")
        .Append("But thy eternal summer shall not fade, ")
        .Append("Nor lose possession of that fair thou ow'st; ")
        .Append("Nor shall death brag thou wander'st in his shade, ")
        .Append("When in eternal lines to time thou grow'st: ")
        .Append("So long as men can breathe or eyes can see, ")
        .Append("So long lives this, and this gives life to thee.");

    [Benchmark]
    public void Replace()
    {
        _sb.Replace("summer", "winter");
        _sb.Replace("winter", "summer");
    }

    private class Config : ManualConfig
    {
        public Config()
        {
            AddJob(Job.Default.WithId(".NET 7").WithRuntime(CoreRuntime.Core70).AsBaseline());
            AddJob(Job.Default.WithId(".NET 8").WithRuntime(CoreRuntime.Core80));

            SummaryStyle =
                SummaryStyle.Default.WithRatioStyle(RatioStyle.Percentage);
        }
    }
}

// .NET 7, .NET 8
public void Replace()
{
    _sb.Replace("summer", "winter");
    _sb.Replace("winter", "summer");
}

// .NET 7
.method public hidebysig 
    instance void Replace () cil managed 
{
    .custom instance void [BenchmarkDotNet.Annotations]BenchmarkDotNet.Attributes.BenchmarkAttribute::.ctor(int32, string) = (
        01 00 29 00 00 00 01 5f 00 00
    )
    // Method begins at RVA 0x208e
    // Code size 45 (0x2d)
    .maxstack 8

    // sequence point: (line 44, col 9) to (line 44, col 41) in _
    IL_0000: ldarg.0
    IL_0001: ldfld class [System.Runtime]System.Text.StringBuilder StringBuilderReplace::_sb
    IL_0006: ldstr "summer"
    IL_000b: ldstr "winter"
    IL_0010: callvirt instance class [System.Runtime]System.Text.StringBuilder [System.Runtime]System.Text.StringBuilder::Replace(string, string)
    IL_0015: pop
    // sequence point: (line 45, col 9) to (line 45, col 41) in _
    IL_0016: ldarg.0
    IL_0017: ldfld class [System.Runtime]System.Text.StringBuilder StringBuilderReplace::_sb
    IL_001c: ldstr "winter"
    IL_0021: ldstr "summer"
    IL_0026: callvirt instance class [System.Runtime]System.Text.StringBuilder [System.Runtime]System.Text.StringBuilder::Replace(string, string)
    IL_002b: pop
    // sequence point: (line 46, col 5) to (line 46, col 6) in _
    IL_002c: ret
}

// .NET 8
.method public hidebysig 
    instance void Replace () cil managed 
{
    .custom instance void [BenchmarkDotNet.Annotations]BenchmarkDotNet.Attributes.BenchmarkAttribute::.ctor(int32, string) = (
        01 00 29 00 00 00 01 5f 00 00
    )
    // Method begins at RVA 0x2050
    // Code size 45 (0x2d)
    .maxstack 8

    // sequence point: (line 44, col 9) to (line 44, col 41) in _
    IL_0000: ldarg.0
    IL_0001: ldfld class [System.Runtime]System.Text.StringBuilder StringBuilderReplace::_sb
    IL_0006: ldstr "summer"
    IL_000b: ldstr "winter"
    IL_0010: callvirt instance class [System.Runtime]System.Text.StringBuilder [System.Runtime]System.Text.StringBuilder::Replace(string, string)
    IL_0015: pop
    // sequence point: (line 45, col 9) to (line 45, col 41) in _
    IL_0016: ldarg.0
    IL_0017: ldfld class [System.Runtime]System.Text.StringBuilder StringBuilderReplace::_sb
    IL_001c: ldstr "winter"
    IL_0021: ldstr "summer"
    IL_0026: callvirt instance class [System.Runtime]System.Text.StringBuilder [System.Runtime]System.Text.StringBuilder::Replace(string, string)
    IL_002b: pop
    // sequence point: (line 46, col 5) to (line 46, col 6) in _
    IL_002c: ret
}