Merging upstream version 1.67.1+dfsg1.

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

1 files changed, 60 insertions, 0 deletions

diff --git a/library/core/tests/slice.rs b/library/core/tests/slice.rs
index 9e1fbea79..4e06e0f43 100644
--- a/library/core/tests/slice.rs
+++ b/library/core/tests/slice.rs
@@ -2595,3 +2595,63 @@ fn test_flatten_mut_size_overflow() {
     let x = &mut [[(); usize::MAX]; 2][..];
     let _ = x.flatten_mut();
 }
+
+#[test]
+fn test_get_many_mut_normal_2() {
+    let mut v = vec![1, 2, 3, 4, 5];
+    let [a, b] = v.get_many_mut([3, 0]).unwrap();
+    *a += 10;
+    *b += 100;
+    assert_eq!(v, vec![101, 2, 3, 14, 5]);
+}
+
+#[test]
+fn test_get_many_mut_normal_3() {
+    let mut v = vec![1, 2, 3, 4, 5];
+    let [a, b, c] = v.get_many_mut([0, 4, 2]).unwrap();
+    *a += 10;
+    *b += 100;
+    *c += 1000;
+    assert_eq!(v, vec![11, 2, 1003, 4, 105]);
+}
+
+#[test]
+fn test_get_many_mut_empty() {
+    let mut v = vec![1, 2, 3, 4, 5];
+    let [] = v.get_many_mut([]).unwrap();
+    assert_eq!(v, vec![1, 2, 3, 4, 5]);
+}
+
+#[test]
+fn test_get_many_mut_single_first() {
+    let mut v = vec![1, 2, 3, 4, 5];
+    let [a] = v.get_many_mut([0]).unwrap();
+    *a += 10;
+    assert_eq!(v, vec![11, 2, 3, 4, 5]);
+}
+
+#[test]
+fn test_get_many_mut_single_last() {
+    let mut v = vec![1, 2, 3, 4, 5];
+    let [a] = v.get_many_mut([4]).unwrap();
+    *a += 10;
+    assert_eq!(v, vec![1, 2, 3, 4, 15]);
+}
+
+#[test]
+fn test_get_many_mut_oob_nonempty() {
+    let mut v = vec![1, 2, 3, 4, 5];
+    assert!(v.get_many_mut([5]).is_err());
+}
+
+#[test]
+fn test_get_many_mut_oob_empty() {
+    let mut v: Vec<i32> = vec![];
+    assert!(v.get_many_mut([0]).is_err());
+}
+
+#[test]
+fn test_get_many_mut_duplicate() {
+    let mut v = vec![1, 2, 3, 4, 5];
+    assert!(v.get_many_mut([1, 3, 3, 4]).is_err());
+}