io: move io helpers back into `tokio-io` (#1377)

Utilities are made optional with a feature flag.

1 files changed, 0 insertions, 38 deletions

diff --git a/tokio/tests/io_read.rs b/tokio/tests/io_read.rs
deleted file mode 100644
index 0ec2bef3..00000000
--- a/tokio/tests/io_read.rs
+++ /dev/null
@@ -1,38 +0,0 @@
-#![deny(warnings, rust_2018_idioms)]
-#![feature(async_await)]
-
-use tokio::io::{AsyncRead, AsyncReadExt};
-use tokio_test::assert_ok;
-
-use std::io;
-use std::pin::Pin;
-use std::task::{Context, Poll};
-
-#[tokio::test]
-async fn read() {
-    #[derive(Default)]
-    struct Rd {
-        poll_cnt: usize,
-    }
-
-    impl AsyncRead for Rd {
-        fn poll_read(
-            mut self: Pin<&mut Self>,
-            _cx: &mut Context<'_>,
-            buf: &mut [u8],
-        ) -> Poll<io::Result<usize>> {
-            assert_eq!(0, self.poll_cnt);
-            self.poll_cnt += 1;
-
-            buf[0..11].copy_from_slice(b"hello world");
-            Poll::Ready(Ok(11))
-        }
-    }
-
-    let mut buf = Box::new([0; 11]);
-    let mut rd = Rd::default();
-
-    let n = assert_ok!(rd.read(&mut buf[..]).await);
-    assert_eq!(n, 11);
-    assert_eq!(buf[..], b"hello world"[..]);
-}