public async Task ReadAllBinary2Async() { using var Test = new System.IO.MemoryStream(); Test.Write("This is a test".ToByteArray(), 0, "This is a test".Length); var Content = await Test.ReadAllBinaryAsync().ConfigureAwait(false); Assert.Equal("This is a test", System.Text.Encoding.ASCII.GetString(Content, 0, Content.Length)); }