public async Task PartwiseStreamWriterTest() { using (var stream = new MemoryStream()) { using (var writer = new PartwiseStreamMessageWriter(stream)) { writer.LeaveStreamOpen = true; await writer.WriteAsync(TestMessage, CancellationToken.None); } stream.Seek(0, SeekOrigin.Begin); using (var reader = new StreamReader(stream)) { var text = reader.ReadToEnd(); Output.WriteLine(text); } Assert.Equal(TestMessagePartwiseStreamContent, stream.ToArray()); } }