From 2d3c2e3a0fd09bb5afa4a60358c714e52bb240ac Mon Sep 17 00:00:00 2001
From: Clar Fon <them@lightdark.xyz>
Date: Sun, 28 Oct 2018 17:39:13 -0400
Subject: [PATCH] Test IntoIter::clone

---
 tests/tests.rs | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/tests/tests.rs b/tests/tests.rs
index de3507a..7580eab 100644
--- a/tests/tests.rs
+++ b/tests/tests.rs
@@ -55,6 +55,7 @@ fn test_drop() {
 
     let flag = &Cell::new(0);
 
+    #[derive(Clone)]
     struct Bump<'a>(&'a Cell<i32>);
 
     impl<'a> Drop for Bump<'a> {
@@ -105,6 +106,24 @@ fn test_drop() {
         assert_eq!(flag.get(), 3);
     }
 
+    // test cloning into_iter
+    flag.set(0);
+    {
+        let mut array = ArrayVec::<[_; 3]>::new();
+        array.push(Bump(flag));
+        array.push(Bump(flag));
+        array.push(Bump(flag));
+        let mut iter = array.into_iter();
+        assert_eq!(flag.get(), 0);
+        iter.next();
+        assert_eq!(flag.get(), 1);
+        let clone = iter.clone();
+        assert_eq!(flag.get(), 1);
+        drop(clone);
+        assert_eq!(flag.get(), 3);
+        drop(iter);
+        assert_eq!(flag.get(), 5);
+    }
 }
 
 #[test]