1 // 2 // AsyncVoidMethodBuilderTest.cs 3 // 4 // Authors: 5 // Marek Safar <marek.safar@gmail.com> 6 // 7 // Copyright (C) 2011 Xamarin, Inc (http://www.xamarin.com) 8 // 9 // Permission is hereby granted, free of charge, to any person obtaining 10 // a copy of this software and associated documentation files (the 11 // "Software"), to deal in the Software without restriction, including 12 // without limitation the rights to use, copy, modify, merge, publish, 13 // distribute, sublicense, and/or sell copies of the Software, and to 14 // permit persons to whom the Software is furnished to do so, subject to 15 // the following conditions: 16 // 17 // The above copyright notice and this permission notice shall be 18 // included in all copies or substantial portions of the Software. 19 // 20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 27 // 28 29 30 using System; 31 using System.Threading; 32 using System.Threading.Tasks; 33 using NUnit.Framework; 34 using System.Runtime.CompilerServices; 35 using System.Runtime.ExceptionServices; 36 37 namespace MonoTests.System.Runtime.CompilerServices 38 { 39 [TestFixture] 40 public class AsyncVoidMethodBuilderTest 41 { 42 class MyContext : SynchronizationContext 43 { 44 public int Started; 45 public int Completed; 46 public int PostCounter; 47 public int SendCounter; 48 OperationStarted()49 public override void OperationStarted () 50 { 51 ++Started; 52 base.OperationStarted (); 53 } 54 OperationCompleted()55 public override void OperationCompleted () 56 { 57 ++Completed; 58 base.OperationCompleted (); 59 } 60 Post(SendOrPostCallback d, object state)61 public override void Post (SendOrPostCallback d, object state) 62 { 63 if (state is ExceptionDispatchInfo) { 64 ++PostCounter; 65 } 66 } 67 Send(SendOrPostCallback d, object state)68 public override void Send (SendOrPostCallback d, object state) 69 { 70 if (state is Exception) { 71 ++SendCounter; 72 base.Send (d, state); 73 } 74 } 75 } 76 77 [Test] SetResult()78 public void SetResult () 79 { 80 var awaiter = AsyncVoidMethodBuilder.Create (); 81 awaiter.SetResult (); 82 } 83 84 [Test] SetException()85 public void SetException () 86 { 87 var context = new MyContext (); 88 var old = SynchronizationContext.Current; 89 90 try { 91 SynchronizationContext.SetSynchronizationContext (context); 92 var awaiter = AsyncVoidMethodBuilder.Create (); 93 94 Assert.AreEqual (1, context.Started, "#1"); 95 Assert.AreEqual (0, context.Completed, "#2"); 96 Assert.AreEqual (0, context.SendCounter, "#3"); 97 Assert.AreEqual (0, context.PostCounter, "#4"); 98 99 awaiter.SetException (new ApplicationException ()); 100 101 Assert.AreEqual (1, context.Started, "#5"); 102 Assert.AreEqual (1, context.Completed, "#6"); 103 Assert.AreEqual (0, context.SendCounter, "#7"); 104 Assert.AreEqual (1, context.PostCounter, "#8"); 105 106 awaiter.SetResult (); 107 108 Assert.AreEqual (1, context.Started, "#9"); 109 Assert.AreEqual (2, context.Completed, "#10"); 110 Assert.AreEqual (0, context.SendCounter, "#11"); 111 Assert.AreEqual (1, context.PostCounter, "#12"); 112 } finally { 113 SynchronizationContext.SetSynchronizationContext (old); 114 } 115 } 116 } 117 } 118 119