1 files changed, 18 insertions, 2 deletions
diff --git a/vendor/itertools/tests/test_std.rs b/vendor/itertools/tests/test_std.rs
index f59034234..77207d87e 100644
--- a/vendor/itertools/tests/test_std.rs
+++ b/vendor/itertools/tests/test_std.rs
@@ -221,6 +221,22 @@ fn all_equal() {
 }
 
 #[test]
+fn all_equal_value() {
+    assert_eq!("".chars().all_equal_value(), Err(None));
+    assert_eq!("A".chars().all_equal_value(), Ok('A'));
+    assert_eq!("AABBCCC".chars().all_equal_value(), Err(Some(('A', 'B'))));
+    assert_eq!("AAAAAAA".chars().all_equal_value(), Ok('A'));
+    {
+        let mut it = [1,2,3].iter().copied();
+        let result = it.all_equal_value();
+        assert_eq!(result, Err(Some((1, 2))));
+        let remaining = it.next();
+        assert_eq!(remaining, Some(3));
+        assert!(it.next().is_none());
+    }
+}
+
+#[test]
 fn all_unique() {
     assert!("ABCDEFGH".chars().all_unique());
     assert!(!"ABCDEFGA".chars().all_unique());
@@ -1160,9 +1176,9 @@ fn exactly_one_question_mark_return() -> Result<(), ExactlyOneError<std::slice::
 
 #[test]
 fn multiunzip() {
-    let (a, b, c): (Vec<_>, Vec<_>, Vec<_>) = [(0, 1, 2), (3, 4, 5), (6, 7, 8)].iter().cloned().multiunzip();    
+    let (a, b, c): (Vec<_>, Vec<_>, Vec<_>) = [(0, 1, 2), (3, 4, 5), (6, 7, 8)].iter().cloned().multiunzip();
     assert_eq!((a, b, c), (vec![0, 3, 6], vec![1, 4, 7], vec![2, 5, 8]));
     let (): () = [(), (), ()].iter().cloned().multiunzip();
-    let t: (Vec<_>, Vec<_>, Vec<_>, Vec<_>, Vec<_>, Vec<_>, Vec<_>, Vec<_>, Vec<_>, Vec<_>, Vec<_>, Vec<_>) = [(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11)].iter().cloned().multiunzip();    
+    let t: (Vec<_>, Vec<_>, Vec<_>, Vec<_>, Vec<_>, Vec<_>, Vec<_>, Vec<_>, Vec<_>, Vec<_>, Vec<_>, Vec<_>) = [(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11)].iter().cloned().multiunzip();
     assert_eq!(t, (vec![0], vec![1], vec![2], vec![3], vec![4], vec![5], vec![6], vec![7], vec![8], vec![9], vec![10], vec![11]));
 }