public void Write_List_And_Tuple() { byte[] want = new byte[] { 131, 108, 0, 0, 0, 2, 104, 2, 100, 0, 4, 116, 114, 117, 101, 100, 0, 5, 102, 97, 108, 115, 101, 108, 0, 0, 0, 2, 100, 0, 4, 116, 114, 117, 101, 100, 0, 5, 102, 97, 108, 115, 101, 106, 106 }; byte[] got; using (var os = new OtpOutputStream()) { os.WriteByte(OtpExternal.VersionTag); os.WriteListHead(2); os.WriteTupleHead(2); os.WriteBoolean(true); os.WriteBoolean(false); os.WriteListHead(2); os.WriteBoolean(true); os.WriteBoolean(false); os.WriteNil(); os.WriteNil(); Assert.AreEqual(want.Length, os.Position); got = os.ToArray(); } CollectionAssert.AreEqual(want, got); }