async Task AssertPipeWorksWithSizes(int pipeBufferSize, int dataSize)
{
var rand = new Random();
var data = new byte[dataSize];
rand.NextBytes(data);
using (var subject = new PipeStream(pipeBufferSize))
using (var bout = new MemoryStream()) {
var readOperation = subject.CopyToAsync(bout);
subject.Write(data, 0, data.Length);
subject.Dispose();
await readOperation;
AssertSameArrayContent(data, bout.ToArray(), "data written and read must be the same");
}
}
public override Task CopyToAsync(Stream destination, int bufferSize, CancellationToken cancellationToken) => _underlying.CopyToAsync(destination, bufferSize, cancellationToken);