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

Utilities are made optional with a feature flag.

1 files changed, 0 insertions, 60 deletions

diff --git a/tokio/tests/io_read_line.rs b/tokio/tests/io_read_line.rs
deleted file mode 100644
index 99b3b59e..00000000
--- a/tokio/tests/io_read_line.rs
+++ /dev/null
@@ -1,60 +0,0 @@
-#![deny(warnings, rust_2018_idioms)]
-#![feature(async_await)]
-
-use tokio::io::{AsyncBufRead, AsyncBufReadExt, AsyncRead};
-use tokio_test::assert_ok;
-
-use std::io;
-use std::pin::Pin;
-use std::task::{Context, Poll};
-
-#[tokio::test]
-async fn read_line() {
-    struct Rd {
-        val: &'static [u8],
-    }
-
-    impl AsyncRead for Rd {
-        fn poll_read(
-            self: Pin<&mut Self>,
-            _: &mut Context<'_>,
-            _: &mut [u8],
-        ) -> Poll<io::Result<usize>> {
-            unimplemented!()
-        }
-    }
-
-    impl AsyncBufRead for Rd {
-        fn poll_fill_buf<'a>(
-            self: Pin<&'a mut Self>,
-            _: &mut Context<'_>,
-        ) -> Poll<io::Result<&'a [u8]>> {
-            Poll::Ready(Ok(self.val))
-        }
-
-        fn consume(mut self: Pin<&mut Self>, amt: usize) {
-            self.val = &self.val[amt..];
-        }
-    }
-
-    let mut buf = String::new();
-    let mut rd = Rd {
-        val: b"hello\nworld\n\n",
-    };
-
-    let n = assert_ok!(rd.read_line(&mut buf).await);
-    assert_eq!(n, 6);
-    assert_eq!(buf, "hello\n");
-    buf.clear();
-    let n = assert_ok!(rd.read_line(&mut buf).await);
-    assert_eq!(n, 6);
-    assert_eq!(buf, "world\n");
-    buf.clear();
-    let n = assert_ok!(rd.read_line(&mut buf).await);
-    assert_eq!(n, 1);
-    assert_eq!(buf, "\n");
-    buf.clear();
-    let n = assert_ok!(rd.read_line(&mut buf).await);
-    assert_eq!(n, 0);
-    assert_eq!(buf, "");
-}