1 files changed, 45 insertions, 0 deletions
diff --git a/tests/io_read_to_string.rs b/tests/io_read_to_string.rs
new file mode 100644
index 0000000..db825af
--- /dev/null
+++ b/tests/io_read_to_string.rs
@@ -0,0 +1,45 @@
+use futures::executor::block_on;
+use futures::future::{Future, FutureExt};
+use futures::stream::{self, StreamExt, TryStreamExt};
+use futures::io::{AsyncReadExt, Cursor};
+use futures::task::Poll;
+use futures_test::io::AsyncReadTestExt;
+use futures_test::task::noop_context;
+
+#[test]
+fn read_to_string() {
+    let mut c = Cursor::new(&b""[..]);
+    let mut v = String::new();
+    assert_eq!(block_on(c.read_to_string(&mut v)).unwrap(), 0);
+    assert_eq!(v, "");
+
+    let mut c = Cursor::new(&b"1"[..]);
+    let mut v = String::new();
+    assert_eq!(block_on(c.read_to_string(&mut v)).unwrap(), 1);
+    assert_eq!(v, "1");
+
+    let mut c = Cursor::new(&b"\xff"[..]);
+    let mut v = String::new();
+    assert!(block_on(c.read_to_string(&mut v)).is_err());
+}
+
+fn run<F: Future + Unpin>(mut f: F) -> F::Output {
+    let mut cx = noop_context();
+    loop {
+        if let Poll::Ready(x) = f.poll_unpin(&mut cx) {
+            return x;
+        }
+    }
+}
+
+#[test]
+fn interleave_pending() {
+    let mut buf = stream::iter(vec![&b"12"[..], &b"33"[..], &b"3"[..]])
+        .map(Ok)
+        .into_async_read()
+        .interleave_pending();
+
+    let mut v = String::new();
+    assert_eq!(run(buf.read_to_string(&mut v)).unwrap(), 5);
+    assert_eq!(v, "12333");
+}