public async Task SerializeToStreamAsync_CanBeCanceledExternally()
{
var tcs = new TaskCompletionSource <byte>(TaskCreationOptions.RunContinuationsAsynchronously);
var source = new ReadDelegatingStream(new MemoryStream(), async(buffer, cancellation) =>
{
if (buffer.Length == 0)
{
return(0);
}
Assert.False(cancellation.IsCancellationRequested);
await tcs.Task;
Assert.True(cancellation.IsCancellationRequested);
return(0);
});
var sut = CreateContent(source);
using var cts = new CancellationTokenSource();
var copyToTask = sut.CopyToAsync(new MemoryStream(), cts.Token);
cts.Cancel();
tcs.SetResult(0);
await copyToTask;
}
public async Task SerializeToStreamAsync_RespectsContentCancellation()
{
var tcs = new TaskCompletionSource <byte>(TaskCreationOptions.RunContinuationsAsynchronously);
var source = new ReadDelegatingStream(new MemoryStream(), async(buffer, cancellation) =>
{
if (buffer.Length == 0)
{
return(0);
}
Assert.False(cancellation.IsCancellationRequested);
await tcs.Task;
Assert.True(cancellation.IsCancellationRequested);
return(0);
});
using var contentCts = ActivityCancellationTokenSource.Rent(TimeSpan.FromSeconds(10), CancellationToken.None);
var sut = CreateContent(source, contentCancellation: contentCts);
var copyToTask = sut.CopyToWithCancellationAsync(new MemoryStream());
contentCts.Cancel();
tcs.SetResult(0);
await copyToTask;
}