From f9deaa0e6b45ddb1f571be1c7f55341f924ac946 Mon Sep 17 00:00:00 2001
From: Alice Ryhl <alice@ryhl.io>
Date: Sun, 15 Oct 2023 19:42:59 +0200
Subject: [PATCH] Add failing test

---
 tokio/tests/io_take.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/tokio/tests/io_take.rs b/tokio/tests/io_take.rs
index 539f17f3a2d..6f22df18313 100644
--- a/tokio/tests/io_take.rs
+++ b/tokio/tests/io_take.rs
@@ -39,6 +39,14 @@ async fn issue_4435() {
     assert_eq!(&buf, &b"ABhell\0\0"[..]);
 }
 
+#[tokio::test]
+async fn issue_6070() {
+    // make sure it overflows usize on 32bit targets
+    let mut reader = tokio::io::repeat(0b101).take(u32::MAX as u64 + 1u64);
+    let copied = tokio::io::copy(&mut reader, &mut tokio::io::sink()).await.unwrap();
+    assert_eq!(copied, u32::MAX as u64 + 1u64);
+}
+
 struct BadReader {
     leaked_buffers: LeakedBuffers,
 }