/// <summary>
/// Waits until the document is fully available. This includes
/// that the document is completed and that a stable point has
/// been reached.
/// </summary>
/// <param name="document">The document to await.</param>
/// <param name="cancellation">The timeout cancellation, if any.</param>
/// <returns>A task that is finished when the document is available.</returns>
public static async Task WaitUntilAvailable(this IDocument document, CancellationToken cancellation = default)
{
if (document.ReadyState != DocumentReadyState.Complete)
{
var abort = new TaskCompletionSource <object>();
cancellation.Register(() => abort.TrySetCanceled());
await Task.WhenAny(document.AwaitEventAsync("load"), abort.Task).ConfigureAwait(false);
}
await document.WhenStable().ConfigureAwait(false);
}
public void EventsAwaitedTriggered()
{
var evName = "click";
var element = document.QuerySelector("img");
var ev = document.CreateEvent("event");
ev.Init(evName, true, true);
var task = document.AwaitEventAsync(evName);
Assert.IsFalse(task.IsCompleted);
document.Dispatch(ev);
Assert.IsTrue(task.IsCompleted);
Assert.IsFalse(task.IsFaulted);
Assert.AreEqual(evName, task.Result.Type);
}