Merging upstream version 1.70.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 33 insertions, 0 deletions

diff --git a/tests/ui/box/unit/unique-send-2.rs b/tests/ui/box/unit/unique-send-2.rs
new file mode 100644
index 000000000..23ddd2cdc
--- /dev/null
+++ b/tests/ui/box/unit/unique-send-2.rs
@@ -0,0 +1,33 @@
+// run-pass
+#![allow(unused_must_use)]
+// ignore-emscripten no threads support
+
+use std::sync::mpsc::{channel, Sender};
+use std::thread;
+
+fn child(tx: &Sender<Box<usize>>, i: usize) {
+    tx.send(Box::new(i)).unwrap();
+}
+
+pub fn main() {
+    let (tx, rx) = channel();
+    let n = 100;
+    let mut expected = 0;
+    let ts = (0..n).map(|i| {
+        expected += i;
+        let tx = tx.clone();
+        thread::spawn(move|| {
+            child(&tx, i)
+        })
+    }).collect::<Vec<_>>();
+
+    let mut actual = 0;
+    for _ in 0..n {
+        let j = rx.recv().unwrap();
+        actual += *j;
+    }
+
+    assert_eq!(expected, actual);
+
+    for t in ts { t.join(); }
+}