using var utf8Stream = new Utf8MemoryStream();
using var cts = new CancellationTokenSource(delay: TimeSpan.FromMilliseconds(cancellationTokenSourceDelayMilliseconds));
await Assert.ThrowsAsync<TaskCanceledException>(async () =>
- await JsonSerializer.SerializeAsync(utf8Stream, longRunningEnumerable, cancellationToken: cts.Token));
+ await JsonSerializer.SerializeAsync(utf8Stream, longRunningEnumerable, Serializer.DefaultOptions, cancellationToken: cts.Token));
Assert.Equal(1, longRunningEnumerable.TotalCreatedEnumerators);
Assert.Equal(1, longRunningEnumerable.TotalDisposedEnumerators);