public void Cancel_CanBeSuppressed(AsyncCreationOptions options, bool expectedCompleted)
{
// Arrange
var op = new AsyncCompletionSource(options);
// Act
op.Cancel();
// Assert
Assert.Equal(expectedCompleted, op.IsCompleted);
}
public async Task AddCompletionCallback_IsThreadSafe(AsyncCreationOptions creationOptions)
{
// Arrange
var op = new AsyncCompletionSource(creationOptions);
var counter = 0;
var d = new Action <IAsyncOperation>(CompletionCallback);
void CompletionCallback(IAsyncOperation o)
{
Interlocked.Increment(ref counter);
}
void TestMethod()
{
for (var i = 0; i < 10000; ++i)
{
op.AddCompletionCallback(d);
}
}
void TestMethod2()
{
for (var i = 0; i < 10000; ++i)
{
op.RemoveCallback(d);
}
}
TestMethod();
// Act
await Task.WhenAll(
Task.Run(new Action(TestMethod)),
Task.Run(new Action(TestMethod)),
Task.Run(new Action(TestMethod2)),
Task.Run(new Action(TestMethod)));
// Assert
op.SetCompleted();
Assert.Equal(30000, counter);
}
/// <summary>
/// Initializes a new instance of the <see cref="AsyncResult"/> class with the specified <see cref="CreationOptions"/>.
/// </summary>
/// <param name="options">The <see cref="AsyncCreationOptions"/> used to customize the operation's behavior.</param>
public AsyncResult(AsyncCreationOptions options)
: this((int)options << _optionsOffset)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="AsyncResult"/> class with the specified <see cref="Status"/> and <see cref="CreationOptions"/>.
/// </summary>
/// <param name="status">Initial value of the <see cref="Status"/> property.</param>
/// <param name="asyncCallback">User-defined completion callback.</param>
/// <param name="asyncState">User-defined data returned by <see cref="AsyncState"/>.</param>
/// <param name="options">The <see cref="AsyncCreationOptions"/> used to customize the operation's behavior.</param>
public AsyncResult(AsyncOperationStatus status, AsyncCallback asyncCallback, object asyncState, AsyncCreationOptions options)
: this((int)status | ((int)options << _optionsOffset))
{
_asyncState = asyncState;
_callback = asyncCallback;
}
/// <summary>
/// Initializes a new instance of the <see cref="AsyncResult"/> class with the specified <see cref="Status"/> and <see cref="CreationOptions"/>.
/// </summary>
/// <param name="status">Initial value of the <see cref="Status"/> property.</param>
/// <param name="options">The <see cref="AsyncCreationOptions"/> used to customize the operation's behavior.</param>
public AsyncResult(AsyncOperationStatus status, AsyncCreationOptions options)
: this((int)status | ((int)options << _optionsOffset))
{
}
/// <summary>
/// Initializes a new instance of the <see cref="AsyncCompletionSource{T}"/> class.
/// </summary>
/// <param name="status">Initial value of the <see cref="AsyncResult.Status"/> property.</param>
/// <param name="options">The <see cref="AsyncCreationOptions"/> used to customize the operation's behavior.</param>
public AsyncCompletionSource(AsyncOperationStatus status, AsyncCreationOptions options)
: base(status, options)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="AsyncCompletionSource{T}"/> class.
/// </summary>
/// <param name="asyncCallback">User-defined completion callback.</param>
/// <param name="asyncState">User-defined data returned by <see cref="IAsyncResult.AsyncState"/>.</param>
/// <param name="options">The <see cref="AsyncCreationOptions"/> used to customize the operation's behavior.</param>
public AsyncCompletionSource(AsyncCallback asyncCallback, object asyncState, AsyncCreationOptions options)
: base(asyncCallback, asyncState, options)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="AsyncCompletionSource{T}"/> class.
/// </summary>
/// <param name="asyncState">User-defined data returned by <see cref="IAsyncResult.AsyncState"/>.</param>
/// <param name="options">The <see cref="AsyncCreationOptions"/> used to customize the operation's behavior.</param>
public AsyncCompletionSource(object asyncState, AsyncCreationOptions options)
: base(default(AsyncCallback), asyncState, options)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="AsyncResult{T}"/> class.
/// </summary>
/// <param name="status">Status value of the operation.</param>
/// <param name="asyncState">User-defined data to assosiate with the operation.</param>
/// <param name="options">The <see cref="AsyncCreationOptions"/> used to customize the operation's behavior.</param>
public AsyncResult(AsyncOperationStatus status, object asyncState, AsyncCreationOptions options)
: base(status, asyncState, options)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="AsyncCompletionSource{T}"/> class.
/// </summary>
/// <param name="options">The <see cref="AsyncCreationOptions"/> used to customize the operation's behavior.</param>
/// <param name="asyncState">User-defined data returned by <see cref="IAsyncResult.AsyncState"/>.</param>
public AsyncCompletionSource(AsyncCreationOptions options, object asyncState)
: base(options, null, asyncState)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="AsyncCompletionSource{T}"/> class.
/// </summary>
/// <param name="status">Initial value of the <see cref="AsyncResult.Status"/> property.</param>
/// <param name="options">The <see cref="AsyncCreationOptions"/> used to customize the operation's behavior.</param>
/// <param name="asyncCallback">User-defined completion callback.</param>
/// <param name="asyncState">User-defined data returned by <see cref="IAsyncResult.AsyncState"/>.</param>
public AsyncCompletionSource(AsyncOperationStatus status, AsyncCreationOptions options, AsyncCallback asyncCallback, object asyncState)
: base(status, options, asyncCallback, asyncState)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="AsyncResult{T}"/> class.
/// </summary>
/// <param name="options">The <see cref="AsyncCreationOptions"/> used to customize the operation's behavior.</param>
/// <param name="asyncCallback">User-defined completion callback.</param>
/// <param name="asyncState">User-defined data to assosiate with the operation.</param>
public AsyncResult(AsyncCreationOptions options, AsyncCallback asyncCallback, object asyncState)
: base(options, asyncCallback, asyncState)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="AsyncResult{T}"/> class.
/// </summary>
/// <param name="options">The <see cref="AsyncCreationOptions"/> used to customize the operation's behavior.</param>
public AsyncResult(AsyncCreationOptions options)
: base(options)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="AsyncResult{T}"/> class.
/// </summary>
/// <param name="status">Status value of the operation.</param>
/// <param name="options">The <see cref="AsyncCreationOptions"/> used to customize the operation's behavior.</param>
/// <param name="asyncCallback">User-defined completion callback.</param>
/// <param name="asyncState">User-defined data to assosiate with the operation.</param>
public AsyncResult(AsyncOperationStatus status, AsyncCreationOptions options, AsyncCallback asyncCallback, object asyncState)
: base(status, options, asyncCallback, asyncState)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="AsyncResult{T}"/> class.
/// </summary>
/// <param name="status">Status value of the operation.</param>
/// <param name="options">The <see cref="AsyncCreationOptions"/> used to customize the operation's behavior.</param>
public AsyncResult(AsyncOperationStatus status, AsyncCreationOptions options)
: base(status, options)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="AsyncResult{T}"/> class.
/// </summary>
/// <param name="asyncCallback">User-defined completion callback.</param>
/// <param name="asyncState">User-defined data to assosiate with the operation.</param>
/// <param name="options">The <see cref="AsyncCreationOptions"/> used to customize the operation's behavior.</param>
public AsyncResult(AsyncCallback asyncCallback, object asyncState, AsyncCreationOptions options)
: base(asyncCallback, asyncState, options)
{
}
public void Constructor_SetsCorrectStatusAndOptions(AsyncOperationStatus status, AsyncCreationOptions options)
{
// Arrange/Act
var op = new AsyncResult(status, options);
var op2 = new AsyncResult(status, options, null);
var op3 = new AsyncResult(status, options, null, null);
// Assert
Assert.Equal(status, op.Status);
Assert.Equal(options, op.CreationOptions);
Assert.Equal(status, op2.Status);
Assert.Equal(options, op2.CreationOptions);
Assert.Equal(status, op3.Status);
Assert.Equal(options, op3.CreationOptions);
}
/// <summary>
/// Initializes a new instance of the <see cref="AsyncCompletionSource{T}"/> class.
/// </summary>
/// <param name="options">The <see cref="AsyncCreationOptions"/> used to customize the operation's behavior.</param>
public AsyncCompletionSource(AsyncCreationOptions options)
: base(options)
{
}