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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 using Implab.Components;
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6
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7 #if MONO
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8
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9 using NUnit.Framework;
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10 using TestClassAttribute = NUnit.Framework.TestFixtureAttribute;
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11 using TestMethodAttribute = NUnit.Framework.TestAttribute;
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12
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13 #else
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14
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15 using Microsoft.VisualStudio.TestTools.UnitTesting;
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16
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17 #endif
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18
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19 namespace Implab.Test {
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20 [TestClass]
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21 public class RunnableComponentTests {
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22
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23 static void ShouldThrow(Action action) {
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24 try {
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25 action();
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26 Assert.Fail();
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27 } catch(AssertionException) {
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28 throw;
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29 } catch {
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30 }
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31 }
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32
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33 class Runnable : RunnableComponent {
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34 public Runnable(bool initialized) : base(initialized) {
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35 }
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36
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37 public Action MockInit {
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38 get;
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39 set;
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40 }
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41
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42 public Func<IPromise> MockStart {
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43 get;
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44 set;
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45 }
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46
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47 public Func<IPromise> MockStop {
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48 get;
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49 set;
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50 }
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51
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52 protected override IPromise OnStart() {
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53 return MockStart != null ? MockStart() : base.OnStart();
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54 }
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55
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56 protected override IPromise OnStop() {
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57 return MockStop != null ? MockStop() : base.OnStart();
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58 }
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59
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60 protected override void OnInitialize() {
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61 if (MockInit != null)
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62 MockInit();
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63 }
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64 }
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65
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66 [TestMethod]
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67 public void NormalFlowTest() {
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68 var comp = new Runnable(false);
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69
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70 Assert.AreEqual(ExecutionState.Created, comp.State);
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71
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72 comp.Init();
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73
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74 Assert.AreEqual(ExecutionState.Ready, comp.State);
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75
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76 comp.Start().Join(1000);
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77
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78 Assert.AreEqual(ExecutionState.Running, comp.State);
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79
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80 comp.Stop().Join(1000);
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81
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82 Assert.AreEqual(ExecutionState.Disposed, comp.State);
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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 InitFailTest() {
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88 var comp = new Runnable(false) {
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89 MockInit = () => {
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90 throw new Exception("BAD");
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91 }
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92 };
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93
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94 ShouldThrow(() => comp.Start());
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95 ShouldThrow(() => comp.Stop());
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96 Assert.AreEqual(ExecutionState.Created, comp.State);
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97
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98 ShouldThrow(comp.Init);
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99
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100 Assert.AreEqual(ExecutionState.Failed, comp.State);
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101
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102 ShouldThrow(() => comp.Start());
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103 ShouldThrow(() => comp.Stop());
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104 Assert.AreEqual(ExecutionState.Failed, comp.State);
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105
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106 comp.Dispose();
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107 Assert.AreEqual(ExecutionState.Disposed, comp.State);
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108 }
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109
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110 [TestMethod]
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111 public void DisposedTest() {
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112
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113 var comp = new Runnable(false);
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114 comp.Dispose();
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115
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116 ShouldThrow(() => comp.Start());
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117 ShouldThrow(() => comp.Stop());
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118 ShouldThrow(comp.Init);
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119
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120 Assert.AreEqual(ExecutionState.Disposed, comp.State);
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121 }
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122
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123 [TestMethod]
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124 public void StartCancelTest() {
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125 var comp = new Runnable(true) {
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126 MockStart = () => PromiseHelper.Sleep(100000, 0)
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127 };
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128
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129 var p = comp.Start();
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130 Assert.AreEqual(ExecutionState.Starting, comp.State);
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131 p.Cancel();
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132 ShouldThrow(() => p.Join(1000));
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133 Assert.AreEqual(ExecutionState.Failed, comp.State);
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134 Assert.IsInstanceOfType(typeof(OperationCanceledException), comp.LastError);
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135
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136 comp.Dispose();
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137 }
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138
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139 [TestMethod]
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140 public void StartStopTest() {
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141 var stop = new Signal();
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142 var comp = new Runnable(true) {
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143 MockStart = () => PromiseHelper.Sleep(100000, 0),
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144 MockStop = () => AsyncPool.RunThread(stop.Wait)
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145 };
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146
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147 var p1 = comp.Start();
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148 var p2 = comp.Stop();
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149 // should enter stopping state
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150
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151 ShouldThrow(p1.Join);
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152 Assert.IsTrue(p1.IsCancelled);
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153 Assert.AreEqual(ExecutionState.Stopping, comp.State);
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154
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155 stop.Set();
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156 p2.Join(1000);
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157 Assert.AreEqual(ExecutionState.Disposed, comp.State);
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158 }
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159
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160 [TestMethod]
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161 public void StartStopFailTest() {
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162 var comp = new Runnable(true) {
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163 MockStart = () => PromiseHelper.Sleep(100000, 0).Then(null,null,x => { throw new Exception("I'm dead"); })
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164 };
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165
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166 comp.Start();
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167 var p = comp.Stop();
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168 // if Start fails to cancel, should fail to stop
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169 ShouldThrow(() => p.Join(1000));
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170 Assert.AreEqual(ExecutionState.Failed, comp.State);
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171 Assert.IsNotNull(comp.LastError);
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172 Assert.AreEqual("I'm dead", comp.LastError.Message);
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173 }
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174
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175 [TestMethod]
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176 public void StopCancelTest() {
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177 var comp = new Runnable(true) {
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178 MockStop = () => PromiseHelper.Sleep(100000, 0)
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179 };
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180
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181 comp.Start();
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182 var p = comp.Stop();
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183 Assert.AreEqual(ExecutionState.Stopping, comp.State);
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184 p.Cancel();
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185 ShouldThrow(() => p.Join(1000));
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186 Assert.AreEqual(ExecutionState.Failed, comp.State);
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187 Assert.IsInstanceOfType(typeof(OperationCanceledException), comp.LastError);
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188
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189 comp.Dispose();
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190 }
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191
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192 }
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193 }
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194
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