annotate Implab.Test/CancelationTests.cs @ 159:5558e43c79bb v2

minor fix
author cin
date Thu, 18 Feb 2016 16:06:14 +0300
parents eb793fbbe4ea
children cbe10ac0731e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 using System;
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2 using Implab.Parallels;
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3
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4 #if MONO
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5
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6 using NUnit.Framework;
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7 using TestClassAttribute = NUnit.Framework.TestFixtureAttribute;
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8 using TestMethodAttribute = NUnit.Framework.TestAttribute;
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9
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10 #else
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11
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12 using Microsoft.VisualStudio.TestTools.UnitTesting;
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13
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14 #endif
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15
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16 namespace Implab.Test {
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17 [TestClass]
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18 public class CancelationTests {
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19
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20 [TestMethod]
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21 public void PromiseCancelTest() {
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22 var p = new Promise();
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23 bool requested = false;
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24 var reason = new Exception("Test");
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25
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26 // request cancelation
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27 p.Cancel(reason);
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28
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29 Assert.IsTrue(p.IsCancellationRequested);
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30 Assert.AreSame(reason, p.CancellationReason);
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31 Assert.IsFalse(p.IsCancelled);
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32
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33 p.CancellationRequested(r => {
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34 Assert.AreSame(reason, r);
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35 requested = true;
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36 });
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37
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38 Assert.IsTrue(requested);
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39
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40 // cancel the promise
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41 Assert.IsTrue(p.CancelOperationIfRequested());
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42 Assert.IsTrue(p.IsCancelled);
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43 Assert.AreSame(reason, p.Error);
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44 }
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45
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46 [TestMethod]
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47 public void CancelActionBeforeStartTask() {
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48 bool run = false;
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49 var task = new ActionTask(() => {
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50 run = true;
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51 }, null, null, true);
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52
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53 // request cancelation
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54 task.Cancel();
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55 Assert.IsTrue(task.IsCancelled);
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56 task.Resolve();
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57 Assert.IsFalse(run);
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58 }
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59
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60 [TestMethod]
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61 public void CancelActionAfterTaskStarted() {
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62 var finish = new Signal();
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63 var started = new Signal();
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64
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65 var task = new ActionTask(() => {
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66 started.Set();
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67 finish.Wait();
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68 }, null, null, true);
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69
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70 AsyncPool.RunThread(() => {
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71 task.Resolve();
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72 });
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73
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74 started.Wait(1000);
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75
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76 task.Cancel();
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77 Assert.IsTrue(task.IsCancellationRequested);
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78 Assert.IsFalse(task.IsCancelled);
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79 Assert.IsFalse(task.IsResolved);
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80
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81 finish.Set();
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82 task.Join(1000);
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83
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84 }
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85
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86 [TestMethod]
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87 public void CancelTaskChainFromBottom() {
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88 var started = new Signal();
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89 var check1 = new Signal();
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90 var requested = false;
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91 var p1 = AsyncPool.RunThread(token => {
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92 token.CancellationRequested(reason => requested = true);
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93 started.Set();
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94 check1.Wait();
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95 token.CancelOperationIfRequested();
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96 });
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97
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98 started.Wait();
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99
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100 var p2 = p1.Then(() => {
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101 });
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102
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103 Assert.IsFalse(p1.IsResolved);
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104 Assert.IsFalse(p2.IsResolved);
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105
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106 p2.Cancel();
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107
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108 Assert.IsFalse(p2.IsCancelled);
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109 Assert.IsFalse(p1.IsCancelled);
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110 Assert.IsTrue(requested);
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111
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112 check1.Set();
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113
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114 try {
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115 p2.Join(1000);
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116 Assert.Fail("The chain isn't cancelled");
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117 } catch(OperationCanceledException){
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118 }
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119
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120 Assert.IsTrue(p1.IsCancelled);
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121 Assert.IsTrue(p2.IsCancelled);
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122 }
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123
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124
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125
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126 [TestMethod]
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127 public void CancellableAsyncTask() {
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128 var finish = new Signal();
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129 var started = new Signal();
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130
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131 var p = AsyncPool.RunThread(token => {
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132 token.CancellationRequested(r => finish.Set());
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133 started.Set();
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134 finish.Wait();
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135 Assert.IsTrue(token.CancelOperationIfRequested());
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136 });
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137
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138 started.Wait(1000);
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139 Assert.IsFalse(p.IsResolved);
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140 p.Cancel();
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141 try {
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142 p.Join(1000);
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143 } catch (OperationCanceledException) {
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144 }
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145 }
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146 }
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147 }
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148