annotate Implab.Test/AsyncTests.cs @ 94:a43745f81f10 v2

minor fixes
author cin
date Thu, 23 Oct 2014 17:50:09 +0400
parents 2c5631b43c7d
children 4d308952fd5e
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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 PoolTest() {
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143 var pid = Thread.CurrentThread.ManagedThreadId;
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144 var p = AsyncPool.Invoke(() => Thread.CurrentThread.ManagedThreadId);
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145
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146 Assert.AreNotEqual(pid, p.Join());
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147 }
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148
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149 [TestMethod]
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150 public void WorkerPoolSizeTest() {
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151 var pool = new WorkerPool(5, 10, 1);
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152
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153 Assert.AreEqual(5, pool.PoolSize);
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154
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155 pool.Invoke(() => { Thread.Sleep(100000000); return 10; });
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156 pool.Invoke(() => { Thread.Sleep(100000000); return 10; });
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157 pool.Invoke(() => { Thread.Sleep(100000000); return 10; });
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158
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159 Assert.AreEqual(5, pool.PoolSize);
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160
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161 for (int i = 0; i < 100; i++)
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162 pool.Invoke(() => { Thread.Sleep(100000000); return 10; });
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163 Thread.Sleep(200);
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164 Assert.AreEqual(10, pool.PoolSize);
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165
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166 pool.Dispose();
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167 }
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168
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169 [TestMethod]
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170 public void WorkerPoolCorrectTest() {
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171 var pool = new WorkerPool(0,1000,100);
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172
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173 const int iterations = 1000;
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174 int pending = iterations;
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175 var stop = new ManualResetEvent(false);
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176
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177 var count = 0;
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178 for (int i = 0; i < iterations; i++) {
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179 pool
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180 .Invoke(() => 1)
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181 .Then(x => Interlocked.Add(ref count, x))
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182 .Then(x => Math.Log10(x))
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183 .Anyway(() => {
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184 Interlocked.Decrement(ref pending);
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185 if (pending == 0)
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186 stop.Set();
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187 });
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188 }
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189
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190 stop.WaitOne();
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191
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192 Assert.AreEqual(iterations, count);
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193 Console.WriteLine("Max threads: {0}", pool.MaxRunningThreads);
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194 pool.Dispose();
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195
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196 }
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197
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198 [TestMethod]
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199 public void WorkerPoolDisposeTest() {
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200 var pool = new WorkerPool(5, 20);
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201 Assert.AreEqual(5, pool.PoolSize);
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202 pool.Dispose();
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203 Thread.Sleep(500);
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204 Assert.AreEqual(0, pool.PoolSize);
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205 pool.Dispose();
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206 }
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207
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208 [TestMethod]
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209 public void MTQueueTest() {
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210 var queue = new MTQueue<int>();
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211 int res;
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212
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213 queue.Enqueue(10);
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214 Assert.IsTrue(queue.TryDequeue(out res));
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215 Assert.AreEqual(10, res);
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216 Assert.IsFalse(queue.TryDequeue(out res));
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217
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218 for (int i = 0; i < 1000; i++)
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219 queue.Enqueue(i);
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220
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221 for (int i = 0; i < 1000; i++) {
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222 queue.TryDequeue(out res);
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223 Assert.AreEqual(i, res);
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224 }
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225
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226 int writers = 0;
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227 int readers = 0;
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diff changeset
228 var stop = new ManualResetEvent(false);
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diff changeset
229 int total = 0;
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diff changeset
230
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diff changeset
231 const int itemsPerWriter = 10000;
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diff changeset
232 const int writersCount = 10;
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233
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234 for (int i = 0; i < writersCount; i++) {
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diff changeset
235 Interlocked.Increment(ref writers);
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236 AsyncPool
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237 .InvokeNewThread(() => {
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238 for (int ii = 0; ii < itemsPerWriter; ii++) {
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diff changeset
239 queue.Enqueue(1);
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240 }
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241 return 1;
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242 })
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243 .Anyway(() => Interlocked.Decrement(ref writers));
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244 }
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245
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246 for (int i = 0; i < 10; i++) {
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diff changeset
247 Interlocked.Increment(ref readers);
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248 AsyncPool
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249 .InvokeNewThread(() => {
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diff changeset
250 int t;
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diff changeset
251 do {
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diff changeset
252 while (queue.TryDequeue(out t))
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diff changeset
253 Interlocked.Add(ref total, t);
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cin
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diff changeset
254 } while (writers > 0);
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255 return 1;
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256 })
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257 .Anyway(() => {
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diff changeset
258 Interlocked.Decrement(ref readers);
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cin
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diff changeset
259 if (readers == 0)
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diff changeset
260 stop.Set();
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261 });
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262 }
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263
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264 stop.WaitOne();
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265
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266 Assert.AreEqual(itemsPerWriter * writersCount, total);
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267 }
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268
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269 [TestMethod]
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270 public void ParallelMapTest() {
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271
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272 const int count = 100000;
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273
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274 var args = new double[count];
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275 var rand = new Random();
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276
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277 for (int i = 0; i < count; i++)
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diff changeset
278 args[i] = rand.NextDouble();
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279
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280 var t = Environment.TickCount;
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281 var res = args.ParallelMap(x => Math.Sin(x*x), 4).Join();
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282
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283 Console.WriteLine("Map complete in {0} ms", Environment.TickCount - t);
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284
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285 t = Environment.TickCount;
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286 for (int i = 0; i < count; i++)
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diff changeset
287 Assert.AreEqual(Math.Sin(args[i] * args[i]), res[i]);
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288 Console.WriteLine("Verified in {0} ms", Environment.TickCount - t);
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289 }
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290
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291 [TestMethod]
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parents: 76
diff changeset
292 public void ChainedMapTest() {
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parents: 76
diff changeset
293
81
2c5631b43c7d dispatch pool rewritten
cin
parents: 80
diff changeset
294 using (var pool = new WorkerPool(0,10,1)) {
77
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diff changeset
295 const int count = 10000;
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296
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diff changeset
297 var args = new double[count];
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298 var rand = new Random();
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299
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diff changeset
300 for (int i = 0; i < count; i++)
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cin
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diff changeset
301 args[i] = rand.NextDouble();
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cin
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diff changeset
302
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diff changeset
303 var t = Environment.TickCount;
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diff changeset
304 var res = args
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diff changeset
305 .ChainedMap(
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diff changeset
306 // Analysis disable once AccessToDisposedClosure
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diff changeset
307 x => pool.Invoke(
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diff changeset
308 () => Math.Sin(x * x)
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cin
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diff changeset
309 ),
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diff changeset
310 4
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diff changeset
311 )
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312 .Join();
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313
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diff changeset
314 Console.WriteLine("Map complete in {0} ms", Environment.TickCount - t);
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cin
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315
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diff changeset
316 t = Environment.TickCount;
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cin
parents: 76
diff changeset
317 for (int i = 0; i < count; i++)
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cin
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diff changeset
318 Assert.AreEqual(Math.Sin(args[i] * args[i]), res[i]);
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cin
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diff changeset
319 Console.WriteLine("Verified in {0} ms", Environment.TickCount - t);
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cin
parents: 76
diff changeset
320 Console.WriteLine("Max workers: {0}", pool.MaxRunningThreads);
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cin
parents: 76
diff changeset
321 }
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cin
parents: 76
diff changeset
322 }
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cin
parents: 76
diff changeset
323
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parents: 76
diff changeset
324 [TestMethod]
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cin
parents: 76
diff changeset
325 public void ParallelForEachTest() {
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cin
parents: 76
diff changeset
326
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diff changeset
327 const int count = 100000;
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cin
parents: 76
diff changeset
328
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diff changeset
329 var args = new int[count];
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parents: 76
diff changeset
330 var rand = new Random();
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cin
parents: 76
diff changeset
331
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diff changeset
332 for (int i = 0; i < count; i++)
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cin
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diff changeset
333 args[i] = (int)(rand.NextDouble() * 100);
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diff changeset
334
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cin
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diff changeset
335 int result = 0;
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parents: 76
diff changeset
336
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diff changeset
337 var t = Environment.TickCount;
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diff changeset
338 args.ParallelForEach(x => Interlocked.Add(ref result, x), 4).Join();
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cin
parents: 76
diff changeset
339
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diff changeset
340 Console.WriteLine("Iteration complete in {0} ms, result: {1}", Environment.TickCount - t, result);
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341
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diff changeset
342 int result2 = 0;
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cin
parents: 76
diff changeset
343
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parents: 76
diff changeset
344 t = Environment.TickCount;
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cin
parents: 76
diff changeset
345 for (int i = 0; i < count; i++)
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cin
parents: 76
diff changeset
346 result2 += args[i];
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cin
parents: 76
diff changeset
347 Assert.AreEqual(result2, result);
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cin
parents: 76
diff changeset
348 Console.WriteLine("Verified in {0} ms", Environment.TickCount - t);
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cin
parents: 76
diff changeset
349 }
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diff changeset
350
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parents: 76
diff changeset
351 [TestMethod]
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cin
parents: 76
diff changeset
352 public void ComplexCase1Test() {
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cin
parents: 76
diff changeset
353 var flags = new bool[3];
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cin
parents: 76
diff changeset
354
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parents: 76
diff changeset
355 // op1 (aync 200ms) => op2 (async 200ms) => op3 (sync map)
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cin
parents: 76
diff changeset
356
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cin
parents: 76
diff changeset
357 var step1 = PromiseHelper
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cin
parents: 76
diff changeset
358 .Sleep(200, "Alan")
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cin
parents: 76
diff changeset
359 .Cancelled(() => flags[0] = true);
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cin
parents: 76
diff changeset
360 var p = step1
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cin
parents: 76
diff changeset
361 .Chain(x =>
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cin
parents: 76
diff changeset
362 PromiseHelper
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cin
parents: 76
diff changeset
363 .Sleep(200, "Hi, " + x)
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cin
parents: 76
diff changeset
364 .Then(y => y)
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cin
parents: 76
diff changeset
365 .Cancelled(() => flags[1] = true)
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
366 )
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cin
parents: 76
diff changeset
367 .Cancelled(() => flags[2] = true);
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cin
parents: 76
diff changeset
368 step1.Join();
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cin
parents: 76
diff changeset
369 p.Cancel();
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cin
parents: 76
diff changeset
370 try {
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
371 Assert.AreEqual(p.Join(), "Hi, Alan");
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cin
parents: 76
diff changeset
372 Assert.Fail("Shouldn't get here");
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
373 } catch (OperationCanceledException) {
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
374 }
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
375
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
376 Assert.IsFalse(flags[0]);
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
377 Assert.IsTrue(flags[1]);
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cin
parents: 76
diff changeset
378 Assert.IsTrue(flags[2]);
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cin
parents: 76
diff changeset
379 }
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cin
parents: 76
diff changeset
380
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cin
parents: 76
diff changeset
381 [TestMethod]
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cin
parents: 76
diff changeset
382 public void ChainedCancel1Test() {
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cin
parents: 76
diff changeset
383 // при отмене сцепленной асинхронной операции все обещание должно
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cin
parents: 76
diff changeset
384 // завершаться ошибкой OperationCanceledException
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cin
parents: 76
diff changeset
385 var p = PromiseHelper
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cin
parents: 76
diff changeset
386 .Sleep(1, "Hi, HAL!")
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cin
parents: 76
diff changeset
387 .Then(x => {
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cin
parents: 76
diff changeset
388 // запускаем две асинхронные операции
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cin
parents: 76
diff changeset
389 var result = PromiseHelper.Sleep(1000, "HEM ENABLED!!!");
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
390 // вторая операция отменяет первую до завершения
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cin
parents: 76
diff changeset
391 PromiseHelper
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cin
parents: 76
diff changeset
392 .Sleep(100, "HAL, STOP!")
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
393 .Then(result.Cancel);
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
394 return result;
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cin
parents: 76
diff changeset
395 });
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
396 try {
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
397 p.Join();
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
398 } catch (TargetInvocationException err) {
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
399 Assert.IsTrue(err.InnerException is OperationCanceledException);
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
400 }
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
401 }
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
402
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
403 [TestMethod]
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
404 public void ChainedCancel2Test() {
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
405 // при отмене цепочки обещаний, вложенные операции также должны отменяться
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
406 var pSurvive = new Promise<bool>();
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
407 var hemStarted = new ManualResetEvent(false);
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
408 var p = PromiseHelper
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cin
parents: 76
diff changeset
409 .Sleep(1, "Hi, HAL!")
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
410 .Chain(x => {
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
411 hemStarted.Set();
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
412 // запускаем две асинхронные операции
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
413 var result = PromiseHelper
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
414 .Sleep(10000, "HEM ENABLED!!!")
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
415 .Then(s => pSurvive.Resolve(false));
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
416
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
417 result
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
418 .Cancelled(() => pSurvive.Resolve(true));
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
419
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
420 return result;
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
421 });
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
422
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
423 hemStarted.WaitOne();
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
424 p.Cancel();
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
425
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
426 try {
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
427 p.Join();
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
428 } catch (OperationCanceledException) {
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
429 Assert.IsTrue(pSurvive.Join());
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
430 }
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
431 }
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
432 }
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
433 }
91362ffbecf8 ported tests to mono
cin
parents: 76
diff changeset
434