Files
2017-04-08 14:59:31 +12:00

331 lines
12 KiB
C#

#region License
// Copyright (c) 2007 James Newton-King
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
#endregion
#if HAVE_BENCHMARKS
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.Serialization;
#if (!DNXCORE50)
using System.Runtime.Serialization.Formatters.Binary;
using System.Web.Script.Serialization;
#endif
using System.Runtime.Serialization.Json;
using System.Text;
using System.Threading.Tasks;
using BenchmarkDotNet.Attributes;
using Newtonsoft.Json.Bson;
using Newtonsoft.Json.Linq;
using Newtonsoft.Json.Tests.TestObjects;
namespace Newtonsoft.Json.Tests.Benchmarks
{
public class DeserializeComparisonBenchmarks
{
private static readonly byte[] BinaryFormatterData = TestFixtureBase.HexToBytes(BenchmarkConstants.BinaryFormatterHex);
private static readonly byte[] BsonData = TestFixtureBase.HexToBytes(BenchmarkConstants.BsonHex);
[Benchmark]
public TestClass DataContractSerializer()
{
return DeserializeDataContract<TestClass>(BenchmarkConstants.XmlText);
}
private T DeserializeDataContract<T>(string xml)
{
DataContractSerializer serializer = new DataContractSerializer(typeof(T));
MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(xml));
return (T)serializer.ReadObject(ms);
}
private T DeserializeDataContractJson<T>(string json)
{
DataContractJsonSerializer dataContractSerializer = new DataContractJsonSerializer(typeof(T));
MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(json));
return (T)dataContractSerializer.ReadObject(ms);
}
#if (!DNXCORE50)
[Benchmark]
public TestClass BinaryFormatter()
{
return DeserializeBinaryFormatter<TestClass>(BinaryFormatterData);
}
private T DeserializeBinaryFormatter<T>(byte[] bytes)
{
BinaryFormatter formatter = new BinaryFormatter();
return (T)formatter.Deserialize(new MemoryStream(bytes));
}
[Benchmark]
public TestClass JavaScriptSerializer()
{
return DeserializeWebExtensions<TestClass>(BenchmarkConstants.JsonText);
}
public T DeserializeWebExtensions<T>(string json)
{
JavaScriptSerializer ser = new JavaScriptSerializer { MaxJsonLength = int.MaxValue };
return ser.Deserialize<T>(json);
}
#endif
[Benchmark]
public TestClass DataContractJsonSerializer()
{
return DeserializeDataContractJson<TestClass>(BenchmarkConstants.JsonText);
}
[Benchmark]
public TestClass JsonNet()
{
return JsonConvert.DeserializeObject<TestClass>(BenchmarkConstants.JsonText);
}
[Benchmark]
public TestClass JsonNetIso()
{
return JsonConvert.DeserializeObject<TestClass>(BenchmarkConstants.JsonIsoText);
}
[Benchmark]
public TestClass JsonNetManual()
{
return DeserializeJsonNetManual(BenchmarkConstants.JsonText);
}
#region DeserializeJsonNetManual
private TestClass DeserializeJsonNetManual(string json)
{
TestClass c = new TestClass();
JsonTextReader reader = new JsonTextReader(new StringReader(json));
reader.Read();
while (reader.Read())
{
if (reader.TokenType == JsonToken.PropertyName)
{
string propertyName = (string)reader.Value;
switch (propertyName)
{
case "strings":
reader.Read();
while (reader.Read() && reader.TokenType != JsonToken.EndArray)
{
c.strings.Add((string)reader.Value);
}
break;
case "dictionary":
reader.Read();
while (reader.Read() && reader.TokenType != JsonToken.EndObject)
{
string key = (string)reader.Value;
c.dictionary.Add(key, reader.ReadAsInt32().GetValueOrDefault());
}
break;
case "Name":
c.Name = reader.ReadAsString();
break;
case "Now":
c.Now = reader.ReadAsDateTime().GetValueOrDefault();
break;
case "BigNumber":
c.BigNumber = reader.ReadAsDecimal().GetValueOrDefault();
break;
case "Address1":
reader.Read();
c.Address1 = CreateAddress(reader);
break;
case "Addresses":
reader.Read();
while (reader.Read() && reader.TokenType != JsonToken.EndArray)
{
var address = CreateAddress(reader);
c.Addresses.Add(address);
}
break;
}
}
else
{
break;
}
}
return c;
}
private static Address CreateAddress(JsonTextReader reader)
{
Address a = new Address();
while (reader.Read())
{
if (reader.TokenType == JsonToken.PropertyName)
{
switch ((string)reader.Value)
{
case "Street":
a.Street = reader.ReadAsString();
break;
case "Phone":
a.Phone = reader.ReadAsString();
break;
case "Entered":
a.Entered = reader.ReadAsDateTime().GetValueOrDefault();
break;
}
}
else
{
break;
}
}
return a;
}
#endregion
[Benchmark]
public Task<TestClass> JsonNetManualAsync()
{
return DeserializeJsonNetManualAsync(BenchmarkConstants.JsonText);
}
[Benchmark]
public Task<TestClass> JsonNetManualIndentedAsync()
{
return DeserializeJsonNetManualAsync(BenchmarkConstants.JsonIndentedText);
}
private async Task<TestClass> DeserializeJsonNetManualAsync(string json)
{
TestClass c = new TestClass();
JsonTextReader reader = new JsonTextReader(new StringReader(json));
await reader.ReadAsync();
while (await reader.ReadAsync())
{
if (reader.TokenType == JsonToken.PropertyName)
{
string propertyName = (string)reader.Value;
switch (propertyName)
{
case "strings":
await reader.ReadAsync();
while (await reader.ReadAsync() && reader.TokenType != JsonToken.EndArray)
{
c.strings.Add((string)reader.Value);
}
break;
case "dictionary":
await reader.ReadAsync();
while (await reader.ReadAsync() && reader.TokenType != JsonToken.EndObject)
{
string key = (string)reader.Value;
c.dictionary.Add(key, (await reader.ReadAsInt32Async()).GetValueOrDefault());
}
break;
case "Name":
c.Name = await reader.ReadAsStringAsync();
break;
case "Now":
c.Now = (await reader.ReadAsDateTimeAsync()).GetValueOrDefault();
break;
case "BigNumber":
c.BigNumber = (await reader.ReadAsDecimalAsync()).GetValueOrDefault();
break;
case "Address1":
await reader.ReadAsync();
c.Address1 = await CreateAddressAsync(reader);
break;
case "Addresses":
await reader.ReadAsync();
while (await reader.ReadAsync() && reader.TokenType != JsonToken.EndArray)
{
var address = await CreateAddressAsync(reader);
c.Addresses.Add(address);
}
break;
}
}
else
{
break;
}
}
return c;
}
private static async Task<Address> CreateAddressAsync(JsonTextReader reader)
{
Address a = new Address();
while (await reader.ReadAsync())
{
if (reader.TokenType == JsonToken.PropertyName)
{
switch ((string)reader.Value)
{
case "Street":
a.Street = await reader.ReadAsStringAsync();
break;
case "Phone":
a.Phone = await reader.ReadAsStringAsync();
break;
case "Entered":
a.Entered = (await reader.ReadAsDateTimeAsync()).GetValueOrDefault();
break;
}
}
else
{
break;
}
}
return a;
}
#pragma warning disable 618
[Benchmark]
public TestClass JsonNetBson()
{
return DeserializeJsonNetBson<TestClass>(BsonData);
}
private T DeserializeJsonNetBson<T>(byte[] bson)
{
JsonSerializer serializer = new JsonSerializer();
return (T)serializer.Deserialize(new BsonReader(new MemoryStream(bson)), typeof(T));
}
#pragma warning restore 618
}
}
#endif