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ParseThenWrite.cs
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ParseThenWrite.cs
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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using BenchmarkDotNet.Attributes;
using MicroBenchmarks;
using System.Buffers;
using System.Text.Json.Tests;
namespace System.Text.Json.Document.Tests
{
[BenchmarkCategory(Categories.Libraries, Categories.JSON)]
public class Perf_ParseThenWrite
{
public enum TestCaseType
{
HelloWorld,
DeepTree,
BroadTree,
LotsOfNumbers,
LotsOfStrings,
Json400B,
Json4KB,
Json400KB
}
private byte[] _dataUtf8;
private Utf8JsonWriter _writer;
[ParamsAllValues]
public TestCaseType TestCase;
[Params(true, false)]
public bool IsDataIndented;
[GlobalSetup]
public void Setup()
{
string jsonString = JsonStrings.ResourceManager.GetString(TestCase.ToString());
if (!IsDataIndented)
{
_dataUtf8 = DocumentHelpers.RemoveFormatting(jsonString);
}
else
{
_dataUtf8 = Encoding.UTF8.GetBytes(jsonString);
}
var abw = new ArrayBufferWriter<byte>();
_writer = new Utf8JsonWriter(abw, new JsonWriterOptions { Indented = IsDataIndented });
}
[GlobalCleanup]
public void CleanUp()
{
_writer.Dispose();
}
[Benchmark]
public void ParseThenWrite()
{
_writer.Reset();
using (JsonDocument document = JsonDocument.Parse(_dataUtf8))
{
document.WriteTo(_writer);
}
}
}
}