Expose Codec via an unstable flag (#49)

Exposes `Codec` using an unstable flag. This is useful for testing.

tests/support/mod.rs

@@ -1,91 +0,0 @@
-//! Utilities to support tests.
-
-#![allow(unused_extern_crates)]
-
-pub extern crate bytes;
-pub extern crate h2;
-pub extern crate http;
-pub extern crate tokio_io;
-pub extern crate futures;
-pub extern crate mock_io;
-pub extern crate env_logger;
-
-pub use self::futures::{
-    Future,
-    Sink,
-    Stream,
-};
-pub use self::futures::future::poll_fn;
-
-pub use self::http::{
-    request,
-    response,
-    method,
-    status,
-    Request,
-    Response,
-    HeaderMap,
-};
-
-pub use self::h2::client::{self, Client};
-// pub use self::h2::server;
-
-pub use self::bytes::{
-    Buf,
-    BufMut,
-    Bytes,
-    BytesMut,
-    IntoBuf,
-};
-
-pub use std::time::Duration;
-
-use tokio_io::{AsyncRead, AsyncWrite};
-
-pub trait MockH2 {
-    fn handshake(&mut self) -> &mut Self;
-}
-
-impl MockH2 for mock_io::Builder {
-    fn handshake(&mut self) -> &mut Self {
-        self.write(b"PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n")
-            // Settings frame
-            .write(frames::SETTINGS)
-            .read(frames::SETTINGS)
-            .read(frames::SETTINGS_ACK)
-    }
-}
-
-pub trait ClientExt {
-    fn run<F: Future>(&mut self, f: F) -> Result<F::Item, F::Error>;
-}
-
-impl<T, B> ClientExt for Client<T, B>
-    where T: AsyncRead + AsyncWrite + 'static,
-          B: IntoBuf + 'static,
-{
-    fn run<F: Future>(&mut self, f: F) -> Result<F::Item, F::Error> {
-        use futures::future::{self, Future};
-        use futures::future::Either::*;
-
-        let res = future::poll_fn(|| self.poll())
-            .select2(f).wait();
-
-        match res {
-            Ok(A((_, b))) => {
-                // Connection is done...
-                b.wait()
-            }
-            Ok(B((v, _))) => return Ok(v),
-            Err(A((e, _))) => panic!("err: {:?}", e),
-            Err(B((e, _))) => return Err(e),
-        }
-    }
-}
-
-pub mod frames {
-    //! Some useful frames
-
-    pub const SETTINGS: &'static [u8] = &[0, 0, 0, 4, 0, 0, 0, 0, 0];
-    pub const SETTINGS_ACK: &'static [u8] = &[0, 0, 0, 4, 1, 0, 0, 0, 0];
-}