2 // TaskAwaiterTest_T.cs
5 // Marek Safar <marek.safar@gmail.com>
7 // Copyright (C) 2011 Xamarin, Inc (http://www.xamarin.com)
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:
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
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21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
32 using System.Threading;
33 using System.Threading.Tasks;
34 using NUnit.Framework;
35 using System.Runtime.CompilerServices;
37 namespace MonoTests.System.Runtime.CompilerServices
40 public class TaskAwaiterTest_T
42 class MyContext : SynchronizationContext
44 public int PostCounter;
45 public ManualResetEvent mre = new ManualResetEvent (false);
47 public override void OperationStarted ()
49 base.OperationStarted ();
52 public override void OperationCompleted ()
54 base.OperationCompleted ();
57 public override void Post (SendOrPostCallback d, object state)
64 public override void Send (SendOrPostCallback d, object state)
73 public void GetResultFaulted ()
75 TaskAwaiter<int> awaiter;
77 task = new Task<int> (() => { throw new ApplicationException (); });
78 awaiter = task.GetAwaiter ();
79 task.RunSynchronously (TaskScheduler.Current);
82 Assert.IsTrue (awaiter.IsCompleted);
87 } catch (ApplicationException) {
92 public void GetResultCanceled ()
94 TaskAwaiter<int> awaiter;
96 var token = new CancellationToken (true);
97 task = new Task<int> (() => 2, token);
98 awaiter = task.GetAwaiter ();
101 awaiter.GetResult ();
103 } catch (TaskCanceledException) {
108 public void ContextTest ()
112 var task = new Task (() => { throw new ApplicationException (); });
113 awaiter = task.GetAwaiter ();
114 task.RunSynchronously (TaskScheduler.Current);
117 Assert.IsTrue (awaiter.IsCompleted);
120 awaiter.GetResult ();
122 } catch (ApplicationException) {
125 var context = new MyContext ();
127 var old = SynchronizationContext.Current;
128 SynchronizationContext.SetSynchronizationContext (context);
130 var t = new Task (delegate { });
131 var a = t.GetAwaiter ();
132 a.OnCompleted (delegate { });
134 Assert.IsTrue (t.Wait (5000), "#1");
136 SynchronizationContext.SetSynchronizationContext (old);
139 Assert.IsTrue (context.mre.WaitOne (5000), "#2");
140 Assert.AreEqual (1, context.PostCounter, "#3");