Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

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

1 files changed, 20 insertions, 0 deletions

diff --git a/src/test/ui/zero-sized/zero-sized-binary-heap-push.rs b/src/test/ui/zero-sized/zero-sized-binary-heap-push.rs
new file mode 100644
index 000000000..6553c5adb
--- /dev/null
+++ b/src/test/ui/zero-sized/zero-sized-binary-heap-push.rs
@@ -0,0 +1,20 @@
+// run-pass
+#![allow(unused_variables)]
+use std::collections::BinaryHeap;
+use std::iter::Iterator;
+
+fn main() {
+    const N: usize = 8;
+
+    for len in 0..N {
+        let mut tester = BinaryHeap::with_capacity(len);
+        assert_eq!(tester.len(), 0);
+        assert!(tester.capacity() >= len);
+        for bit in 0..len {
+            tester.push(());
+        }
+        assert_eq!(tester.len(), len);
+        assert_eq!(tester.iter().count(), len);
+        tester.clear();
+    }
+}