public void ReadAsByteArrayAsync () { var ms = new MemoryStream (); ms.WriteByte (4); ms.WriteByte (55); var sc = new StreamContent (ms); var res = sc.ReadAsByteArrayAsync ().Result; Assert.AreEqual (0, res.Length, "#1"); ms.Seek (0, SeekOrigin.Begin); sc = new StreamContent (ms); res = sc.ReadAsByteArrayAsync ().Result; Assert.AreEqual (2, res.Length, "#10"); Assert.AreEqual (55, res[1], "#11"); }