public static void Throw()
{
// Test that exceptions get passed all the way through PostOperationCompleted(callback, AsyncCompletedEventArgs)
Task.Run(() =>
{
var operation = new TestAsyncOperation(op =>
{
throw new TestException("Test throw");
});
Assert.Throws <TestException>(() => operation.Wait());
}).GetAwaiter().GetResult();
}
public static void ThrowAfterAsyncComplete()
{
Task.Run(() =>
{
var operation = new TestAsyncOperation(op => { });
operation.Wait();
SendOrPostCallback noopCallback = state => { };
Assert.Throws <InvalidOperationException>(() => operation.AsyncOperation.Post(noopCallback, null));
Assert.Throws <InvalidOperationException>(() => operation.AsyncOperation.PostOperationCompleted(noopCallback, null));
Assert.Throws <InvalidOperationException>(() => operation.AsyncOperation.OperationCompleted());
}).GetAwaiter().GetResult();
}
public static void Noop()
{
// Test that a simple AsyncOperation can be dispatched and completed via AsyncOperationManager
Task.Run(() =>
{
var operation = new TestAsyncOperation(op => { });
operation.Wait();
Assert.True(operation.Completed);
Assert.False(operation.Cancelled);
Assert.Null(operation.Exception);
}).GetAwaiter().GetResult();
}
public static void ThrowAfterAsyncComplete()
{
Task.Run(() =>
{
var operation = new TestAsyncOperation(op => { });
operation.Wait();
SendOrPostCallback noopCallback = state => { };
Assert.Throws<InvalidOperationException>(() => operation.AsyncOperation.Post(noopCallback, null));
Assert.Throws<InvalidOperationException>(() => operation.AsyncOperation.PostOperationCompleted(noopCallback, null));
Assert.Throws<InvalidOperationException>(() => operation.AsyncOperation.OperationCompleted());
}).Wait();
}
public static void Noop()
{
// Test that a simple AsyncOperation can be dispatched and completed via AsyncOperationManager
Task.Run(() =>
{
var operation = new TestAsyncOperation(op => { });
operation.Wait();
Assert.True(operation.Completed);
Assert.False(operation.Cancelled);
Assert.Null(operation.Exception);
}).Wait();
}
public static void Cancel()
{
// Test that cancellation gets passed all the way through PostOperationCompleted(callback, AsyncCompletedEventArgs)
Task.Run(() =>
{
var cancelEvent = new ManualResetEventSlim();
var operation = new TestAsyncOperation(op =>
{
Assert.True(cancelEvent.Wait(TimeSpan.FromSeconds(SpinTimeoutSeconds)));
}, cancelEvent: cancelEvent);
operation.Cancel();
operation.Wait();
Assert.True(operation.Completed);
Assert.True(operation.Cancelled);
Assert.Null(operation.Exception);
}).GetAwaiter().GetResult();
}
public static void Cancel()
{
// Test that cancellation gets passed all the way through PostOperationCompleted(callback, AsyncCompletedEventArgs)
Task.Run(() =>
{
var cancelEvent = new ManualResetEventSlim();
var operation = new TestAsyncOperation(op =>
{
Assert.True(cancelEvent.Wait(TimeSpan.FromSeconds(SpinTimeoutSeconds)));
}, cancelEvent: cancelEvent);
operation.Cancel();
operation.Wait();
Assert.True(operation.Completed);
Assert.True(operation.Cancelled);
Assert.Null(operation.Exception);
}).GetAwaiter().GetResult();
}
public static void Throw()
{
// Test that exceptions get passed all the way through PostOperationCompleted(callback, AsyncCompletedEventArgs)
Task.Run(() =>
{
var operation = new TestAsyncOperation(op =>
{
throw new TestException("Test throw");
});
Assert.Throws<TestException>(() => operation.Wait());
}).Wait();
}