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4
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1 using System;
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2 using Microsoft.VisualStudio.TestTools.UnitTesting;
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3 using System.Reflection;
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4 using System.Threading;
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11
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5 using Implab.Parallels;
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4
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6
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10
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7 namespace Implab.Test
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4
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8 {
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9 [TestClass]
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10 public class AsyncTests
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11 {
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12 [TestMethod]
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13 public void ResolveTest ()
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14 {
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15 int res = -1;
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16 var p = new Promise<int> ();
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17 p.Then (x => res = x);
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18 p.Resolve (100);
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19
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20 Assert.AreEqual (res, 100);
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0
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21 }
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22
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4
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23 [TestMethod]
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24 public void RejectTest ()
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25 {
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26 int res = -1;
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27 Exception err = null;
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28
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29 var p = new Promise<int> ();
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30 p.Then (x => res = x, e => err = e);
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31 p.Reject (new ApplicationException ("error"));
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32
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33 Assert.AreEqual (res, -1);
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34 Assert.AreEqual (err.Message, "error");
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35
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0
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36 }
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37
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4
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38 [TestMethod]
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39 public void JoinSuccessTest ()
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40 {
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41 var p = new Promise<int> ();
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42 p.Resolve (100);
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43 Assert.AreEqual (p.Join (), 100);
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0
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44 }
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45
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4
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46 [TestMethod]
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47 public void JoinFailTest ()
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48 {
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49 var p = new Promise<int> ();
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50 p.Reject (new ApplicationException ("failed"));
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51
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52 try {
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53 p.Join ();
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54 throw new ApplicationException ("WRONG!");
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55 } catch (TargetInvocationException err) {
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56 Assert.AreEqual (err.InnerException.Message, "failed");
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57 } catch {
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58 Assert.Fail ("Got wrong excaption");
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59 }
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0
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60 }
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61
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4
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62 [TestMethod]
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63 public void MapTest ()
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64 {
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65 var p = new Promise<int> ();
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66
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67 var p2 = p.Map (x => x.ToString ());
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68 p.Resolve (100);
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69
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70 Assert.AreEqual (p2.Join (), "100");
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0
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71 }
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72
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4
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73 [TestMethod]
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11
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74 public void FixErrorTest() {
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75 var p = new Promise<int>();
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76
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77 var p2 = p.Error(e => 101);
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78
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79 p.Reject(new Exception());
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80
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81 Assert.AreEqual(p2.Join(), 101);
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82 }
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83
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84 [TestMethod]
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4
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85 public void ChainTest ()
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86 {
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87 var p1 = new Promise<int> ();
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88
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89 var p3 = p1.Chain (x => {
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90 var p2 = new Promise<string> ();
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91 p2.Resolve (x.ToString ());
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92 return p2;
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93 });
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94
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95 p1.Resolve (100);
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96
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97 Assert.AreEqual (p3.Join (), "100");
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0
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98 }
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99
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4
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100 [TestMethod]
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101 public void PoolTest ()
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102 {
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103 var pid = Thread.CurrentThread.ManagedThreadId;
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10
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104 var p = AsyncPool.Invoke (() => Thread.CurrentThread.ManagedThreadId);
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4
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105
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106 Assert.AreNotEqual (pid, p.Join ());
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107 }
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10
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108
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109 [TestMethod]
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13
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110 public void WorkerPoolSizeTest() {
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111 var pool = new WorkerPool(5,10);
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112
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113 Assert.AreEqual(5, pool.ThreadCount);
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114
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115 pool.Invoke(() => { Thread.Sleep(1000); return 10; });
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116 pool.Invoke(() => { Thread.Sleep(1000); return 10; });
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117 pool.Invoke(() => { Thread.Sleep(1000); return 10; });
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118
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119 Assert.AreEqual(5, pool.ThreadCount);
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120
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121 for (int i = 0; i < 100; i++)
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122 pool.Invoke(() => { Thread.Sleep(1000); return 10; });
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123 Assert.AreEqual(10, pool.ThreadCount);
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124 }
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125
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126 [TestMethod]
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127 public void WorkerPoolCorrectTest() {
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128 var pool = new WorkerPool(5, 20);
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129
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130 var count = 0;
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131 for (int i = 0; i < 1000; i++)
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132 pool
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133 .Invoke(() => 1)
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134 .Then(x => Interlocked.Add(ref count, x));
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135
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136 Assert.AreEqual(1000, count);
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137 }
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138
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139 [TestMethod]
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10
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140 public void ComplexCase1Test() {
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141 var flags = new bool[3];
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142
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143 // op1 (aync 200ms) => op2 (async 200ms) => op3 (sync map)
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144
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145 var p = PromiseHelper
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146 .Sleep(200, "Alan")
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147 .Cancelled(() => flags[0] = true)
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148 .Chain(x =>
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149 PromiseHelper
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150 .Sleep(200, "Hi, " + x)
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151 .Map( y => y )
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152 .Cancelled(() => flags[1] = true)
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153 )
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154 .Cancelled(() => flags[2] = true);
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155 Thread.Sleep(300);
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156 p.Cancel();
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157 try {
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158 Assert.AreEqual(p.Join(), "Hi, Alan");
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159 Assert.Fail("Shouldn't get here");
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160 } catch(OperationCanceledException) {
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161 }
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162
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163 Assert.IsFalse(flags[0]);
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164 Assert.IsTrue(flags[1]);
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165 Assert.IsTrue(flags[2]);
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166 }
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4
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167 }
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168 }
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169
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