1 files changed, 16 insertions, 2 deletions
diff --git a/tokio/tests/io_lines.rs b/tokio/tests/io_lines.rs
index e85fbff7..83240d62 100644
--- a/tokio/tests/io_lines.rs
+++ b/tokio/tests/io_lines.rs
@@ -3,10 +3,24 @@
 use tokio::io::AsyncBufReadExt;
 use tokio_test::assert_ok;
 
-use futures_util::StreamExt;
+#[tokio::test]
+async fn lines_inherent() {
+    let rd: &[u8] = b"hello\r\nworld\n\n";
+    let mut st = rd.lines();
+
+    let b = assert_ok!(st.next_line().await).unwrap();
+    assert_eq!(b, "hello");
+    let b = assert_ok!(st.next_line().await).unwrap();
+    assert_eq!(b, "world");
+    let b = assert_ok!(st.next_line().await).unwrap();
+    assert_eq!(b, "");
+    assert!(assert_ok!(st.next_line().await).is_none());
+}
 
 #[tokio::test]
-async fn lines() {
+async fn lines_stream() {
+    use futures::StreamExt;
+
     let rd: &[u8] = b"hello\r\nworld\n\n";
     let mut st = rd.lines();