diff options
author | Eric Maupin <ermaup@microsoft.com> | 2018-07-05 23:59:24 +0300 |
---|---|---|
committer | Eric Maupin <ermaup@microsoft.com> | 2018-07-19 00:20:56 +0300 |
commit | 1f19f945eceaa30a3259b0117d910db091d739e5 (patch) | |
tree | b4516f987bedfdac422bf67d442de87062477435 | |
parent | 1300d59c4780ab25595c38c10321f63426ef74e5 (diff) |
[Tests] Fix AsyncSynchronizationContext
We don't actually need the complicated version of this that seemed
flawed. We just need to provide a context and execute the calls. We may
need to make this more like the original later, but we're generally not
executing things off-thread within our VMs.
-rw-r--r-- | Xamarin.PropertyEditing.Tests/AsyncSynchronizationContext.cs | 113 |
1 files changed, 6 insertions, 107 deletions
diff --git a/Xamarin.PropertyEditing.Tests/AsyncSynchronizationContext.cs b/Xamarin.PropertyEditing.Tests/AsyncSynchronizationContext.cs index 6109c7d..34a7086 100644 --- a/Xamarin.PropertyEditing.Tests/AsyncSynchronizationContext.cs +++ b/Xamarin.PropertyEditing.Tests/AsyncSynchronizationContext.cs @@ -1,118 +1,17 @@ -// Copyright (c) 2004-2013 Charlie Poole -// -// Permission is hereby granted, free of charge, to any person obtaining a copy -// of this software and associated documentation files (the "Software"), to deal -// in the Software without restriction, including without limitation the rights -// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -// copies of the Software, and to permit persons to whom the Software is -// furnished to do so, subject to the following conditions: -// -// The above copyright notice and this permission notice shall be included in -// all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -// THE SOFTWARE. - - -using System; -using System.Collections; using System.Threading; -namespace NUnit.Framework.Internal +namespace Xamarin.PropertyEditing.Tests { - internal class AsyncSynchronizationContext : SynchronizationContext + internal class AsyncSynchronizationContext + : SynchronizationContext { - private int _operationCount; - private readonly AsyncOperationQueue _operations = new AsyncOperationQueue(); - - public override void Send(SendOrPostCallback d, object state) - { - throw new InvalidOperationException("Sending to this synchronization context is not supported"); - } - - public override void Post(SendOrPostCallback d, object state) - { - _operations.Enqueue(new AsyncOperation(d, state)); - } - - public override void OperationStarted() - { - Interlocked.Increment(ref _operationCount); - base.OperationStarted(); - } - - public override void OperationCompleted() - { - if (Interlocked.Decrement(ref _operationCount) == 0) - _operations.MarkAsComplete(); - - base.OperationCompleted(); - } - - public void WaitForPendingOperationsToComplete() + public override void Post (SendOrPostCallback d, object state) { - _operations.InvokeAll(); + d (state); } - private class AsyncOperationQueue + public void WaitForPendingOperationsToComplete () { - private bool _run = true; - private readonly Queue _operations = Queue.Synchronized(new Queue()); - private readonly AutoResetEvent _operationsAvailable = new AutoResetEvent(false); - - public void Enqueue(AsyncOperation asyncOperation) - { - _operations.Enqueue(asyncOperation); - _operationsAvailable.Set(); - } - - public void MarkAsComplete() - { - _run = false; - _operationsAvailable.Set(); - } - - public void InvokeAll() - { - while (_run) - { - InvokePendingOperations(); - _operationsAvailable.WaitOne(); - } - - InvokePendingOperations(); - } - - private void InvokePendingOperations() - { - while (_operations.Count > 0) - { - AsyncOperation operation = (AsyncOperation)_operations.Dequeue(); - operation.Invoke(); - } - } - } - - private class AsyncOperation - { - private readonly SendOrPostCallback _action; - private readonly object _state; - - public AsyncOperation(SendOrPostCallback action, object state) - { - _action = action; - _state = state; - } - - public void Invoke() - { - _action(_state); - } } } }
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