annotate Implab.Test/AsyncTests.cs @ 110:1a8426e6e895 v2

added promise timeout helper
author cin
date Sun, 16 Nov 2014 02:49:12 +0300
parents d4e38929ce36
children 2573b562e328
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 using System;
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2 using System.Reflection;
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3 using System.Threading;
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4 using Implab.Parallels;
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5
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6 #if MONO
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7
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8 using NUnit.Framework;
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9 using TestClassAttribute = NUnit.Framework.TestFixtureAttribute;
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10 using TestMethod = NUnit.Framework.TestAttribute;
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11
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12 #else
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13
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14 using Microsoft.VisualStudio.TestTools.UnitTesting;
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15
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16 #endif
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17
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18 namespace Implab.Test {
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19 [TestClass]
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20 public class AsyncTests {
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21 [TestMethod]
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22 public void ResolveTest() {
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23 int res = -1;
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24 var p = new Promise<int>();
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25 p.Then(x => res = x);
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26 p.Resolve(100);
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27
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28 Assert.AreEqual(100, res);
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29 }
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30
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31 [TestMethod]
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32 public void RejectTest() {
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33 int res = -1;
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34 Exception err = null;
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35
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36 var p = new Promise<int>();
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37 p.Then(
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38 x => res = x,
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39 e => {
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40 err = e;
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41 return -2;
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42 }
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43 );
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44 p.Reject(new ApplicationException("error"));
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45
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46 Assert.AreEqual(res, -1);
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47 Assert.AreEqual(err.Message, "error");
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48
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49 }
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50
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51 [TestMethod]
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52 public void CancelExceptionTest() {
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53 var p = new Promise<bool>();
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54 p.Cancel();
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55
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56 var p2 = p.Cancelled(() => {
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57 throw new ApplicationException("CANCELLED");
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58 });
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59
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60 try {
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61 p2.Join();
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62 Assert.Fail();
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63 } catch (ApplicationException err) {
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64 Assert.AreEqual("CANCELLED", err.InnerException.Message);
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65 }
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66
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67 }
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68
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69 [TestMethod]
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70 public void ContinueOnCancelTest() {
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71 var p = new Promise<bool>();
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72 p.Cancel();
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73
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74 var p2 = p
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75 .Cancelled(() => {
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76 throw new ApplicationException("CANCELLED");
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77 })
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78 .Error(e => true);
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79
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80 Assert.AreEqual(true, p2.Join());
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81 }
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82
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83 [TestMethod]
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84 public void JoinSuccessTest() {
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85 var p = new Promise<int>();
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86 p.Resolve(100);
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87 Assert.AreEqual(p.Join(), 100);
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88 }
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89
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90 [TestMethod]
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91 public void JoinFailTest() {
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92 var p = new Promise<int>();
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93 p.Reject(new ApplicationException("failed"));
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94
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95 try {
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96 p.Join();
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97 throw new ApplicationException("WRONG!");
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98 } catch (TargetInvocationException err) {
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99 Assert.AreEqual(err.InnerException.Message, "failed");
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100 } catch {
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101 Assert.Fail("Got wrong excaption");
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102 }
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103 }
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104
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105 [TestMethod]
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106 public void MapTest() {
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107 var p = new Promise<int>();
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108
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109 var p2 = p.Then(x => x.ToString());
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110 p.Resolve(100);
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111
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112 Assert.AreEqual(p2.Join(), "100");
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113 }
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114
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115 [TestMethod]
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116 public void FixErrorTest() {
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117 var p = new Promise<int>();
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118
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119 var p2 = p.Error(e => 101);
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120
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121 p.Reject(new Exception());
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122
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123 Assert.AreEqual(p2.Join(), 101);
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124 }
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125
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126 [TestMethod]
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127 public void ChainTest() {
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128 var p1 = new Promise<int>();
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129
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130 var p3 = p1.Chain(x => {
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131 var p2 = new Promise<string>();
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132 p2.Resolve(x.ToString());
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133 return p2;
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134 });
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135
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136 p1.Resolve(100);
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137
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138 Assert.AreEqual(p3.Join(), "100");
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139 }
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140
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141 [TestMethod]
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142 public void ChainFailTest() {
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143 var p1 = new Promise<int>();
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144
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145 var p3 = p1.Chain(x => {
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146 var p2 = new Promise<string>();
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147 p2.Reject(new Exception("DIE!!!"));
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148 return p2;
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149 });
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150
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151 p1.Resolve(100);
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152
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153 Assert.IsTrue(p3.IsResolved);
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154 }
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155
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156 [TestMethod]
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157 public void PoolTest() {
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158 var pid = Thread.CurrentThread.ManagedThreadId;
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159 var p = AsyncPool.Invoke(() => Thread.CurrentThread.ManagedThreadId);
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160
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161 Assert.AreNotEqual(pid, p.Join());
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162 }
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163
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164 [TestMethod]
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165 public void WorkerPoolSizeTest() {
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166 var pool = new WorkerPool(5, 10, 1);
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167
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168 Assert.AreEqual(5, pool.PoolSize);
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169
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170 pool.Invoke(() => { Thread.Sleep(100000000); return 10; });
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171 pool.Invoke(() => { Thread.Sleep(100000000); return 10; });
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172 pool.Invoke(() => { Thread.Sleep(100000000); return 10; });
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173
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174 Assert.AreEqual(5, pool.PoolSize);
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175
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176 for (int i = 0; i < 100; i++)
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177 pool.Invoke(() => { Thread.Sleep(100000000); return 10; });
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178 Thread.Sleep(200);
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179 Assert.AreEqual(10, pool.PoolSize);
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180
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181 pool.Dispose();
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182 }
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183
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184 [TestMethod]
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185 public void WorkerPoolCorrectTest() {
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186 var pool = new WorkerPool(0,1000,100);
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187
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188 const int iterations = 1000;
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189 int pending = iterations;
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190 var stop = new ManualResetEvent(false);
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191
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192 var count = 0;
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193 for (int i = 0; i < iterations; i++) {
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194 pool
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195 .Invoke(() => 1)
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196 .Then(x => Interlocked.Add(ref count, x))
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197 .Then(x => Math.Log10(x))
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198 .Anyway(() => {
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199 Interlocked.Decrement(ref pending);
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200 if (pending == 0)
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201 stop.Set();
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202 });
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203 }
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204
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205 stop.WaitOne();
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206
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207 Assert.AreEqual(iterations, count);
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208 Console.WriteLine("Max threads: {0}", pool.MaxRunningThreads);
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209 pool.Dispose();
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210
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211 }
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212
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213 [TestMethod]
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214 public void WorkerPoolDisposeTest() {
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215 var pool = new WorkerPool(5, 20);
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216 Assert.AreEqual(5, pool.PoolSize);
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217 pool.Dispose();
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218 Thread.Sleep(500);
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219 Assert.AreEqual(0, pool.PoolSize);
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220 pool.Dispose();
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221 }
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222
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223 [TestMethod]
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224 public void MTQueueTest() {
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225 var queue = new MTQueue<int>();
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226 int res;
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227
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228 queue.Enqueue(10);
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229 Assert.IsTrue(queue.TryDequeue(out res));
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parents: 76
diff changeset
230 Assert.AreEqual(10, res);
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diff changeset
231 Assert.IsFalse(queue.TryDequeue(out res));
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diff changeset
232
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233 for (int i = 0; i < 1000; i++)
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diff changeset
234 queue.Enqueue(i);
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diff changeset
235
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diff changeset
236 for (int i = 0; i < 1000; i++) {
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diff changeset
237 queue.TryDequeue(out res);
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cin
parents: 76
diff changeset
238 Assert.AreEqual(i, res);
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cin
parents: 76
diff changeset
239 }
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diff changeset
240
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diff changeset
241 int writers = 0;
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parents: 76
diff changeset
242 int readers = 0;
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cin
parents: 76
diff changeset
243 var stop = new ManualResetEvent(false);
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cin
parents: 76
diff changeset
244 int total = 0;
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parents: 76
diff changeset
245
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diff changeset
246 const int itemsPerWriter = 10000;
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parents: 76
diff changeset
247 const int writersCount = 10;
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parents: 76
diff changeset
248
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diff changeset
249 for (int i = 0; i < writersCount; i++) {
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cin
parents: 76
diff changeset
250 Interlocked.Increment(ref writers);
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cin
parents: 76
diff changeset
251 AsyncPool
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cin
parents: 76
diff changeset
252 .InvokeNewThread(() => {
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parents: 76
diff changeset
253 for (int ii = 0; ii < itemsPerWriter; ii++) {
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cin
parents: 76
diff changeset
254 queue.Enqueue(1);
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255 }
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parents: 76
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256 return 1;
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cin
parents: 76
diff changeset
257 })
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cin
parents: 76
diff changeset
258 .Anyway(() => Interlocked.Decrement(ref writers));
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parents: 76
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259 }
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parents: 76
diff changeset
260
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parents: 76
diff changeset
261 for (int i = 0; i < 10; i++) {
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cin
parents: 76
diff changeset
262 Interlocked.Increment(ref readers);
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cin
parents: 76
diff changeset
263 AsyncPool
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cin
parents: 76
diff changeset
264 .InvokeNewThread(() => {
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parents: 76
diff changeset
265 int t;
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cin
parents: 76
diff changeset
266 do {
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parents: 76
diff changeset
267 while (queue.TryDequeue(out t))
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cin
parents: 76
diff changeset
268 Interlocked.Add(ref total, t);
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cin
parents: 76
diff changeset
269 } while (writers > 0);
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cin
parents: 76
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270 return 1;
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cin
parents: 76
diff changeset
271 })
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parents: 76
diff changeset
272 .Anyway(() => {
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parents: 76
diff changeset
273 Interlocked.Decrement(ref readers);
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cin
parents: 76
diff changeset
274 if (readers == 0)
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cin
parents: 76
diff changeset
275 stop.Set();
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cin
parents: 76
diff changeset
276 });
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277 }
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parents: 76
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278
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diff changeset
279 stop.WaitOne();
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280
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diff changeset
281 Assert.AreEqual(itemsPerWriter * writersCount, total);
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cin
parents: 76
diff changeset
282 }
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parents: 76
diff changeset
283
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parents: 76
diff changeset
284 [TestMethod]
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cin
parents: 76
diff changeset
285 public void ParallelMapTest() {
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parents: 76
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286
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diff changeset
287 const int count = 100000;
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288
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289 var args = new double[count];
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parents: 76
diff changeset
290 var rand = new Random();
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parents: 76
diff changeset
291
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parents: 76
diff changeset
292 for (int i = 0; i < count; i++)
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diff changeset
293 args[i] = rand.NextDouble();
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cin
parents: 76
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294
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diff changeset
295 var t = Environment.TickCount;
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cin
parents: 76
diff changeset
296 var res = args.ParallelMap(x => Math.Sin(x*x), 4).Join();
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parents: 76
diff changeset
297
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diff changeset
298 Console.WriteLine("Map complete in {0} ms", Environment.TickCount - t);
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cin
parents: 76
diff changeset
299
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parents: 76
diff changeset
300 t = Environment.TickCount;
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cin
parents: 76
diff changeset
301 for (int i = 0; i < count; i++)
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cin
parents: 76
diff changeset
302 Assert.AreEqual(Math.Sin(args[i] * args[i]), res[i]);
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cin
parents: 76
diff changeset
303 Console.WriteLine("Verified in {0} ms", Environment.TickCount - t);
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cin
parents: 76
diff changeset
304 }
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cin
parents: 76
diff changeset
305
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cin
parents: 76
diff changeset
306 [TestMethod]
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cin
parents: 76
diff changeset
307 public void ChainedMapTest() {
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cin
parents: 76
diff changeset
308
81
2c5631b43c7d dispatch pool rewritten
cin
parents: 80
diff changeset
309 using (var pool = new WorkerPool(0,10,1)) {
77
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parents: 76
diff changeset
310 const int count = 10000;
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parents: 76
diff changeset
311
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parents: 76
diff changeset
312 var args = new double[count];
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parents: 76
diff changeset
313 var rand = new Random();
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cin
parents: 76
diff changeset
314
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cin
parents: 76
diff changeset
315 for (int i = 0; i < count; i++)
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cin
parents: 76
diff changeset
316 args[i] = rand.NextDouble();
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cin
parents: 76
diff changeset
317
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cin
parents: 76
diff changeset
318 var t = Environment.TickCount;
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cin
parents: 76
diff changeset
319 var res = args
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cin
parents: 76
diff changeset
320 .ChainedMap(
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parents: 76
diff changeset
321 // Analysis disable once AccessToDisposedClosure
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cin
parents: 76
diff changeset
322 x => pool.Invoke(
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cin
parents: 76
diff changeset
323 () => Math.Sin(x * x)
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cin
parents: 76
diff changeset
324 ),
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cin
parents: 76
diff changeset
325 4
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parents: 76
diff changeset
326 )
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cin
parents: 76
diff changeset
327 .Join();
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parents: 76
diff changeset
328
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parents: 76
diff changeset
329 Console.WriteLine("Map complete in {0} ms", Environment.TickCount - t);
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cin
parents: 76
diff changeset
330
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cin
parents: 76
diff changeset
331 t = Environment.TickCount;
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cin
parents: 76
diff changeset
332 for (int i = 0; i < count; i++)
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cin
parents: 76
diff changeset
333 Assert.AreEqual(Math.Sin(args[i] * args[i]), res[i]);
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cin
parents: 76
diff changeset
334 Console.WriteLine("Verified in {0} ms", Environment.TickCount - t);
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cin
parents: 76
diff changeset
335 Console.WriteLine("Max workers: {0}", pool.MaxRunningThreads);
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cin
parents: 76
diff changeset
336 }
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cin
parents: 76
diff changeset
337 }
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cin
parents: 76
diff changeset
338
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cin
parents: 76
diff changeset
339 [TestMethod]
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cin
parents: 76
diff changeset
340 public void ParallelForEachTest() {
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cin
parents: 76
diff changeset
341
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cin
parents: 76
diff changeset
342 const int count = 100000;
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cin
parents: 76
diff changeset
343
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cin
parents: 76
diff changeset
344 var args = new int[count];
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cin
parents: 76
diff changeset
345 var rand = new Random();
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cin
parents: 76
diff changeset
346
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cin
parents: 76
diff changeset
347 for (int i = 0; i < count; i++)
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cin
parents: 76
diff changeset
348 args[i] = (int)(rand.NextDouble() * 100);
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cin
parents: 76
diff changeset
349
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cin
parents: 76
diff changeset
350 int result = 0;
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cin
parents: 76
diff changeset
351
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cin
parents: 76
diff changeset
352 var t = Environment.TickCount;
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cin
parents: 76
diff changeset
353 args.ParallelForEach(x => Interlocked.Add(ref result, x), 4).Join();
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cin
parents: 76
diff changeset
354
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cin
parents: 76
diff changeset
355 Console.WriteLine("Iteration complete in {0} ms, result: {1}", Environment.TickCount - t, result);
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
356
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
357 int result2 = 0;
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cin
parents: 76
diff changeset
358
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cin
parents: 76
diff changeset
359 t = Environment.TickCount;
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cin
parents: 76
diff changeset
360 for (int i = 0; i < count; i++)
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cin
parents: 76
diff changeset
361 result2 += args[i];
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cin
parents: 76
diff changeset
362 Assert.AreEqual(result2, result);
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
363 Console.WriteLine("Verified in {0} ms", Environment.TickCount - t);
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cin
parents: 76
diff changeset
364 }
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cin
parents: 76
diff changeset
365
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
366 [TestMethod]
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cin
parents: 76
diff changeset
367 public void ComplexCase1Test() {
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cin
parents: 76
diff changeset
368 var flags = new bool[3];
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cin
parents: 76
diff changeset
369
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cin
parents: 76
diff changeset
370 // op1 (aync 200ms) => op2 (async 200ms) => op3 (sync map)
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cin
parents: 76
diff changeset
371
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
372 var step1 = PromiseHelper
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cin
parents: 76
diff changeset
373 .Sleep(200, "Alan")
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cin
parents: 76
diff changeset
374 .Cancelled(() => flags[0] = true);
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
375 var p = step1
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
376 .Chain(x =>
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
377 PromiseHelper
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cin
parents: 76
diff changeset
378 .Sleep(200, "Hi, " + x)
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
379 .Then(y => y)
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cin
parents: 76
diff changeset
380 .Cancelled(() => flags[1] = true)
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
381 )
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cin
parents: 76
diff changeset
382 .Cancelled(() => flags[2] = true);
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
383 step1.Join();
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
384 p.Cancel();
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
385 try {
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
386 Assert.AreEqual(p.Join(), "Hi, Alan");
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
387 Assert.Fail("Shouldn't get here");
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
388 } catch (OperationCanceledException) {
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
389 }
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
390
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
391 Assert.IsFalse(flags[0]);
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
392 Assert.IsTrue(flags[1]);
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
393 Assert.IsTrue(flags[2]);
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
394 }
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
395
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
396 [TestMethod]
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
397 public void ChainedCancel1Test() {
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
398 // при отмене сцепленной асинхронной операции все обещание должно
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
399 // завершаться ошибкой OperationCanceledException
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
400 var p = PromiseHelper
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
401 .Sleep(1, "Hi, HAL!")
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
402 .Then(x => {
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
403 // запускаем две асинхронные операции
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cin
parents: 76
diff changeset
404 var result = PromiseHelper.Sleep(1000, "HEM ENABLED!!!");
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
405 // вторая операция отменяет первую до завершения
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
406 PromiseHelper
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
407 .Sleep(100, "HAL, STOP!")
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
408 .Then(result.Cancel);
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
409 return result;
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
410 });
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
411 try {
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
412 p.Join();
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
413 } catch (TargetInvocationException err) {
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
414 Assert.IsTrue(err.InnerException is OperationCanceledException);
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
415 }
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
416 }
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
417
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
418 [TestMethod]
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
419 public void ChainedCancel2Test() {
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
420 // при отмене цепочки обещаний, вложенные операции также должны отменяться
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
421 var pSurvive = new Promise<bool>();
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
422 var hemStarted = new ManualResetEvent(false);
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
423 var p = PromiseHelper
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
424 .Sleep(1, "Hi, HAL!")
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
425 .Chain(x => {
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
426 hemStarted.Set();
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
427 // запускаем две асинхронные операции
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
428 var result = PromiseHelper
106
d4e38929ce36 promises refactoring
cin
parents: 105
diff changeset
429 .Sleep(100000000, "HEM ENABLED!!!")
d4e38929ce36 promises refactoring
cin
parents: 105
diff changeset
430 .Then(s => {
d4e38929ce36 promises refactoring
cin
parents: 105
diff changeset
431 pSurvive.Resolve(false);
d4e38929ce36 promises refactoring
cin
parents: 105
diff changeset
432 return s;
d4e38929ce36 promises refactoring
cin
parents: 105
diff changeset
433 });
77
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
434
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
435 result
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
436 .Cancelled(() => pSurvive.Resolve(true));
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
437
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
438 return result;
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
439 });
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
440
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
441 hemStarted.WaitOne();
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
442 p.Cancel();
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
443
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
444 try {
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
445 p.Join();
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
446 } catch (OperationCanceledException) {
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
447 Assert.IsTrue(pSurvive.Join());
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
448 }
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
449 }
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
450 }
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
451 }
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
452