New upstream version 1.62.1+dfsg1

[rustc.git] / library / core / tests / slice.rs

diff --git a/library/core/tests/slice.rs b/library/core/tests/slice.rs
index 798fcc3dfde978ce961ba3dd9e12257fc89288f2..872786ed1bd8083427ef1b4f2f3719e5a51947ca 100644 (file)
--- a/library/core/tests/slice.rs
+++ b/library/core/tests/slice.rs
@@ -2339,6 +2339,18 @@ fn slice_rsplit_array_mut() {
     }
 }
 
+#[test]
+fn split_as_slice() {
+    let arr = [1, 2, 3, 4, 5, 6];
+    let mut split = arr.split(|v| v % 2 == 0);
+    assert_eq!(split.as_slice(), &[1, 2, 3, 4, 5, 6]);
+    assert!(split.next().is_some());
+    assert_eq!(split.as_slice(), &[3, 4, 5, 6]);
+    assert!(split.next().is_some());
+    assert!(split.next().is_some());
+    assert_eq!(split.as_slice(), &[]);
+}
+
 #[should_panic]
 #[test]
 fn slice_split_array_ref_out_of_bounds() {
@@ -2504,3 +2516,19 @@ fn test_slice_from_ptr_range() {
         assert_eq!(slice::from_ptr_range(range), &arr);
     }
 }
+
+#[test]
+#[cfg(not(bootstrap))]
+#[should_panic = "slice len overflow"]
+fn test_flatten_size_overflow() {
+    let x = &[[(); usize::MAX]; 2][..];
+    let _ = x.flatten();
+}
+
+#[test]
+#[cfg(not(bootstrap))]
+#[should_panic = "slice len overflow"]
+fn test_flatten_mut_size_overflow() {
+    let x = &mut [[(); usize::MAX]; 2][..];
+    let _ = x.flatten_mut();
+}