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added performance tests for collections
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‎StatePrinter.Tests/PerformanceTests/ManySmallCollections.cs‎

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// Copyright 2014-2015 Kasper B. Graversen
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//
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// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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using System;
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using System.Collections.Generic;
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using NUnit.Framework;
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using StatePrinting.Configurations;
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using StatePrinting.OutputFormatters;
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namespace StatePrinting.Tests.PerformanceTests
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{
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[TestFixture]
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[Explicit]
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public class ManySmallCollections: PerformanceTestsBase
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{
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const int N = 1000000;
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/// <summary>
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/// printing many times reveals the overhead of starting a print
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/// Version 3.0.0 - HPPavilion 7
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/// 3687
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/// </summary>
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[Test]
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public void TestTheOverheadOfStartingUp()
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{
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var toPrint = new Base();
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//var warmup =
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new Stateprinter().PrintObject(toPrint);
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new Stateprinter().PrintObject(toPrint);
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new Stateprinter().PrintObject(toPrint);
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var mills = Time(
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() =>
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{
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for (int i = 0; i < N/400; i++)
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{
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var printer = new Stateprinter();
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printer.PrintObject(toPrint);
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}
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});
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Console.WriteLine(" " + mills);
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}
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/// <summary>
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/// Many small objects reveals the overhead of introspecting types.
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///
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//1000: Time: 159 length 123003
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//2000: Time: 18 length 246003
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//4000: Time: 35 length 492003
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//8000: Time: 164 length 984003
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//16000: Time: 218 length 1968003
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//32000: Time: 323 length 3936003
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//64000: Time: 762 length 7872003
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//128000: Time: 1523 length 15744003
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//256000: Time: 2953 length 31488003
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//512000: Time: 5260 length 62976003
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//1024000: Time: 11159 length 125952003
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/// </summary>
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[Test]
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public void DumpManySmallCollections()
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{
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for (int i = 1000; i <= N * 2; i *= 2)
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{
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DumpNObjects(i);
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}
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}
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/// <summary>
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/// Printing 1.000.000 objects.
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//curly: 17906 length: 195888912
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//json: 11433 length: 123000003
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//xml: 17106 length: 232000033
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/// </summary>
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[Test]
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public void TiminAllOutputFormattersAtNElements()
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{
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//var warmup
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new Stateprinter().PrintObject(new ToDumpList());
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new Stateprinter().PrintObject(new ToDumpList());
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new Stateprinter().PrintObject(new ToDumpList());
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var x = CreateObjectsToDump(N);
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int length = 0;
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Console.WriteLine("Printing {0:0,0} objects.", N);
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var curly = new Stateprinter();
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curly.Configuration.SetOutputFormatter(new CurlyBraceStyle(curly.Configuration));
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long time = Time(() => length = curly.PrintObject(x).Length);
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Console.WriteLine("curly: {0} length: {1,10}", time, length);
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var json = new Stateprinter();
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json.Configuration.SetOutputFormatter(new JsonStyle(json.Configuration));
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time = Time(() => length = json.PrintObject(x).Length);
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Console.WriteLine("json: {0} length: {1,10}", time, length);
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var xml = new Stateprinter();
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xml.Configuration.SetOutputFormatter(new XmlStyle(xml.Configuration));
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time = Time(() => length = xml.PrintObject(x).Length);
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Console.WriteLine("xml: {0} length: {1,10}", time, length);
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}
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private void DumpNObjects(int max)
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{
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List<Base> x = CreateObjectsToDump(max);
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var cfg = ConfigurationHelper.GetStandardConfiguration();
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cfg.OutputFormatter = new JsonStyle(cfg);
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int length = 0;
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var mills = Time(() =>
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{
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var printer = new Stateprinter(cfg);
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var res = printer.PrintObject(x);
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length = res.Length;
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});
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Console.WriteLine("{0,8}: Time: {1,6} length {2,10}", max, mills, length);
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}
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static List<Base> CreateObjectsToDump(int max)
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{
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var x = new List<Base>(max);
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for (int i = 0; i < max / 2; i++)
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{
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x.Add(new ToDumpList());
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}
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for (int i = 0; i < max / 2; i++)
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{
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x.Add(new ToDumpList());
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}
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return x;
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}
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internal class Base
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{
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internal string Boo = null;
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}
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private class ToDumpList : Base
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{
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internal List<string> Poos = new List<string>() { "dd", "bb", "cc" };
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}
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private class ToDumpDic : Base
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{
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internal Dictionary<string, bool> Poos = new Dictionary<string, bool>() {{"aa", false}, {"bb", true}};
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}
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}
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}

‎StatePrinter.Tests/StatePrinter.Tests.csproj‎

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<Compile Include="Introspection\ReferenceTest.cs" />
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<Compile Include="Mocks\Mocks.cs" />
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<Compile Include="OutputFormatters\RollingGuidValueConverterTest.cs" />
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<Compile Include="PerformanceTests\ManySmallCollections.cs" />
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<Compile Include="PerformanceTests\PerformanceTestsBase.cs" />
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<Compile Include="PerformanceTests\ToStringTests.cs" />
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<Compile Include="TestingAssistance\EnvironmentReaderTest.cs" />

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