From c034d6ba4301b8ada1ee09a7c415c91a08ec352f Mon Sep 17 00:00:00 2001
From: Tony Arcieri <bascule@gmail.com>
Date: Mon, 6 Apr 2026 08:36:21 -0600
Subject: [PATCH] Add tests for `Array::from(_mut)_slice` methods

These are deprecated methods there for legacy compatibility
---
 tests/mod.rs | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/tests/mod.rs b/tests/mod.rs
index 2309acd..17bb7cd 100644
--- a/tests/mod.rs
+++ b/tests/mod.rs
@@ -189,6 +189,36 @@ fn from_ref() {
     assert_eq!(array[0], n);
 }
 
+#[test]
+#[allow(deprecated)]
+fn from_slice_deprecated() {
+    let slice = &[1, 2];
+    assert_eq!(Array::<u8, U2>::from_slice(slice), slice);
+}
+
+#[test]
+#[allow(deprecated)]
+#[should_panic]
+fn from_slice_deprecated_length_mismatch() {
+    let slice = &[1, 2, 3];
+    Array::<u8, U2>::from_slice(slice);
+}
+
+#[test]
+#[allow(deprecated)]
+fn from_mut_slice_deprecated() {
+    let slice = &mut [1, 2];
+    assert_eq!(Array::<u8, U2>::from_mut_slice(slice), &[1, 2]);
+}
+
+#[test]
+#[allow(deprecated)]
+#[should_panic]
+fn from_mut_slice_deprecated_length_mismatch() {
+    let slice = &mut [1, 2, 3];
+    Array::<u8, U2>::from_mut_slice(slice);
+}
+
 #[test]
 fn from_mut() {
     let mut n = 42u64;