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perf: added benchmarks
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lines changed

8 files changed

+94
-3
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‎FileSizeFromBase64.NET.sln‎

Lines changed: 10 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -7,11 +7,13 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{55C2DD39-3BE
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EndProject
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Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "tests", "tests", "{36D68C5A-786B-4576-940D-A636E667127A}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FileSizeFromBase64.NET", "src\FileSizeFromBase64.NET\FileSizeFromBase64.NET.csproj", "{7CBE7079-23DF-4EE0-899A-62C030D89777}"
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FileSizeFromBase64.NET", "src\FileSizeFromBase64.NET\FileSizeFromBase64.NET.csproj", "{7CBE7079-23DF-4EE0-899A-62C030D89777}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FileSizeFromBase64.NET.Tests", "tests\FileSizeFromBase64.NET.Tests\FileSizeFromBase64.NET.Tests.csproj", "{FF13BB86-E941-42C8-9419-908AC08F80E8}"
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FileSizeFromBase64.NET.Tests", "tests\FileSizeFromBase64.NET.Tests\FileSizeFromBase64.NET.Tests.csproj", "{FF13BB86-E941-42C8-9419-908AC08F80E8}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FileSizeFromBase64.NET.ConsoleApp", "tests\FileSizeFromBase64.NET.ConsoleApp\FileSizeFromBase64.NET.ConsoleApp.csproj", "{100450D0-E6CE-4D9D-8A0C-B909392F65C4}"
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FileSizeFromBase64.NET.ConsoleApp", "tests\FileSizeFromBase64.NET.ConsoleApp\FileSizeFromBase64.NET.ConsoleApp.csproj", "{100450D0-E6CE-4D9D-8A0C-B909392F65C4}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FileSizeFromBase64.Benchmarks", "tests\FileSizeFromBase64.Benchmarks\FileSizeFromBase64.Benchmarks.csproj", "{691C89B2-AD2B-49FC-B5FD-C4F97F717A45}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -31,6 +33,10 @@ Global
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{100450D0-E6CE-4D9D-8A0C-B909392F65C4}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{100450D0-E6CE-4D9D-8A0C-B909392F65C4}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{100450D0-E6CE-4D9D-8A0C-B909392F65C4}.Release|Any CPU.Build.0 = Release|Any CPU
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{691C89B2-AD2B-49FC-B5FD-C4F97F717A45}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{691C89B2-AD2B-49FC-B5FD-C4F97F717A45}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{691C89B2-AD2B-49FC-B5FD-C4F97F717A45}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{691C89B2-AD2B-49FC-B5FD-C4F97F717A45}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
@@ -39,6 +45,7 @@ Global
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{7CBE7079-23DF-4EE0-899A-62C030D89777} = {55C2DD39-3BE6-4123-918B-E9DBC725B6AE}
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{FF13BB86-E941-42C8-9419-908AC08F80E8} = {36D68C5A-786B-4576-940D-A636E667127A}
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{100450D0-E6CE-4D9D-8A0C-B909392F65C4} = {36D68C5A-786B-4576-940D-A636E667127A}
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{691C89B2-AD2B-49FC-B5FD-C4F97F717A45} = {36D68C5A-786B-4576-940D-A636E667127A}
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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {1BEC19AE-AECE-469D-962B-4F8E4282EF8E}

‎art/screenshots/base64_with_mime_type.png‎

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‎art/screenshots/base64_without_mime_type.png‎

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‎tests/FileSizeFromBase64.Benchmarks/FileSizeFromBase64.Benchmarks.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>net6.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="BenchmarkDotNet" Version="0.13.1" />
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\..\src\FileSizeFromBase64.NET\FileSizeFromBase64.NET.csproj" />
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</ItemGroup>
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<ItemGroup>
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<None Update="data.txt">
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<CopyToOutputDirectory>Always</CopyToOutputDirectory>
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</None>
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</ItemGroup>
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</Project>

‎tests/FileSizeFromBase64.Benchmarks/FileSizeHelpersBenchmark.cs‎

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using BenchmarkDotNet.Attributes;
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using FileSizeFromBase64.NET;
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namespace FileSizeFromBase64.Benchmarks;
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[MediumRunJob]
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[MemoryDiagnoser]
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public class FileSizeHelpersBenchmark
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{
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private readonly string _base64;
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public FileSizeHelpersBenchmark()
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{
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_base64 = File.ReadAllText("data.txt");
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}
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[Benchmark]
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public double GetFileSizeFromBase64StringV1() => FileSizeHelpersV1
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.GetFileSizeFromBase64String(_base64);
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[Benchmark]
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public double GetFileSizeFromBase64StringV2() => FileSizeHelpers
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.GetFileSizeFromBase64String(_base64);
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}

‎tests/FileSizeFromBase64.Benchmarks/FileSizeHelpersV1.cs‎

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using FileSizeFromBase64.NET;
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namespace FileSizeFromBase64.Benchmarks;
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public static class FileSizeHelpersV1
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{
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/// <summary>
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/// Calculate a file size from base64 string.
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/// </summary>
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/// <param name="base64String">The base64 string.</param>
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/// <param name="applyPaddingsRules">Indicate if the padding management is required or not. Default is false</param>
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/// <param name="unitsOfMeasurement">The unit of measure of the file size returned by the method. The default unit of measure is Byte.</param>
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/// <returns>The size of the file represented by the base64 string.</returns>
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public static double GetFileSizeFromBase64String(string base64String, bool applyPaddingsRules = false, UnitsOfMeasurement unitsOfMeasurement = UnitsOfMeasurement.Byte)
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{
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if (string.IsNullOrEmpty(base64String)) return 0;
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// Remove MIME-type from the base64 string if exists and get the string length
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var base64Length = base64String.Contains("base64,") ? base64String.Split(',')[1].Length : base64String.Length;
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var fileSizeInByte = Math.Ceiling((double)base64Length / 4) * 3;
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if(applyPaddingsRules && base64Length >= 2)
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{
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var paddings = base64String[^2..];
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fileSizeInByte = paddings.Equals("==") ? fileSizeInByte - 2 : paddings[1].Equals('=') ? fileSizeInByte - 1 : fileSizeInByte;
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}
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return (fileSizeInByte > 0) ? fileSizeInByte / (int)unitsOfMeasurement : 0;
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}
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}

‎tests/FileSizeFromBase64.Benchmarks/Program.cs‎

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using BenchmarkDotNet.Running;
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using FileSizeFromBase64.Benchmarks;
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BenchmarkRunner.Run<FileSizeHelpersBenchmark>();

‎tests/FileSizeFromBase64.Benchmarks/data.txt‎

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