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1 using System;
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2 using System.Threading;
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3
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4 using NUnit.Framework;
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5
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6 using BLToolkit.Aspects;
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7 using BLToolkit.Reflection;
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8
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9 namespace HowTo.Aspects
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10 {
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11 public /*[a]*/abstract/*[/a]*/ class AsyncTestObject
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12 {
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13 // This is a member we will call asynchronously.
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14 //
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15 public /*[a]*/int/*[/a]*/ /*[a]*/Test/*[/a]*/(/*[a]*/int intVal, string strVal/*[/a]*/)
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16 {
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17 Thread.Sleep(200);
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18 return intVal;
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19 }
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20
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21 // Begin async method should take the same parameter list as the Test method and return IAsyncResult.
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22 // Two additional parameters can be provided: AsyncCallback and state object.
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23 // 'Begin' prefix is a part of the default naming convention.
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24 //
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25 [/*[a]*/Async/*[/a]*/] public abstract /*[a]*/IAsyncResult/*[/a]*/ /*[a]*/BeginTest/*[/a]*/(/*[a]*/int intVal, string strVal/*[/a]*/);
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26 [/*[a]*/Async/*[/a]*/] public abstract /*[a]*/IAsyncResult/*[/a]*/ /*[a]*/BeginTest/*[/a]*/(/*[a]*/int intVal, string strVal/*[/a]*/, /*[a]*/AsyncCallback/*[/a]*/ callback);
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27 [/*[a]*/Async/*[/a]*/] public abstract /*[a]*/IAsyncResult/*[/a]*/ /*[a]*/BeginTest/*[/a]*/(/*[a]*/int intVal, string strVal/*[/a]*/, /*[a]*/AsyncCallback/*[/a]*/ callback, /*[a]*/object/*[/a]*/ state);
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28
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29 // End async method should take IAsyncResult and return the same type as the Test method.
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30 // 'End' prefix is a part of the default naming convention.
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31 //
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32 [/*[a]*/Async/*[/a]*/] public abstract /*[a]*/int/*[/a]*/ /*[a]*/EndTest/*[/a]*/ (/*[a]*/IAsyncResult/*[/a]*/ asyncResult);
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33
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34 // Begin/End naming convention is not required. You can use any name
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35 // if you provide the target method name as a parameter of the Async attribute.
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36 //
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37 [/*[a]*/Async/*[/a]*/("Test")]
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38 public abstract /*[a]*/IAsyncResult/*[/a]*/ AnyName(/*[a]*/int intVal/*[/a]*/, /*[a]*/string strVal/*[/a]*/, /*[a]*/AsyncCallback/*[/a]*/ callback, /*[a]*/object/*[/a]*/ state);
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39
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40 // Here we provide the parameter list along with the method name.
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41 //
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42 [/*[a]*/Async/*[/a]*/("Test", typeof(int), typeof(string))]
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43 public abstract /*[a]*/int/*[/a]*/ AnyName(/*[a]*/IAsyncResult/*[/a]*/ asyncResult);
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44 }
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45
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46 [TestFixture]
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47 public class AsyncAspectTest
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48 {
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49 [Test]
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50 public void AsyncTest()
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51 {
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52 AsyncTestObject o = /*[a]*/TypeAccessor/*[/a]*/<AsyncTestObject>.CreateInstance();
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53
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54 IAsyncResult ar = o./*[a]*/BeginTest/*[/a]*/(1, "10");
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55 Assert.AreEqual(1, o./*[a]*/EndTest/*[/a]*/(ar));
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56 }
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57
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58 private static void /*[a]*/CallBack/*[/a]*/(IAsyncResult ar)
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59 {
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60 Console.WriteLine("Callback");
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61
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62 AsyncTestObject o = (AsyncTestObject)ar.AsyncState;
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63 o.EndTest(ar);
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64 }
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65
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66 [Test]
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67 public void CallbackTest()
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68 {
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69 AsyncTestObject o = TypeAccessor<AsyncTestObject>.CreateInstance();
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70
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71 o.BeginTest(2, null, /*[a]*/CallBack/*[/a]*/, /*[a]*/o/*[/a]*/);
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72 }
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73
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74 [Test]
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75 public void AnyNameTest()
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76 {
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77 AsyncTestObject o = TypeAccessor<AsyncTestObject>.CreateInstance();
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78
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79 IAsyncResult ar = o./*[a]*/AnyName/*[/a]*/(2, null, null, null);
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80 Assert.AreEqual(2, o./*[a]*/AnyName/*[/a]*/(ar));
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81 }
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82 }
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83 }
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