From 911ab2bb0021f3cfbe1a8a8a514c2d6e354cb0a9 Mon Sep 17 00:00:00 2001
From: Tony Arcieri <bascule@gmail.com>
Date: Sat, 4 Apr 2026 14:22:02 -0600
Subject: [PATCH] Add tests for `TryFrom<&mut [T]>` for `&mut Array`

---
 tests/mod.rs | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/tests/mod.rs b/tests/mod.rs
index e9f116a..2caa9fe 100644
--- a/tests/mod.rs
+++ b/tests/mod.rs
@@ -219,6 +219,20 @@ fn tryfrom_slice_for_array_ref() {
     assert!(<&Array::<u8, U7>>::try_from(EXAMPLE_SLICE).is_err());
 }
 
+#[test]
+fn tryfrom_mut_slice_for_array_mut() {
+    let mut example_arr = [1, 2, 3, 4, 5, 6];
+
+    assert!(<&mut Array<u8, U0>>::try_from(example_arr.as_mut()).is_err());
+    assert!(<&mut Array::<u8, U3>>::try_from(example_arr.as_mut()).is_err());
+
+    let array_ref =
+        <&mut Array<u8, U6>>::try_from(example_arr.as_mut()).expect("slice contains 6 bytes");
+    assert_eq!(array_ref.as_slice(), EXAMPLE_SLICE);
+
+    assert!(<&mut Array::<u8, U7>>::try_from(example_arr.as_mut()).is_err());
+}
+
 #[test]
 fn slice_as_array() {
     type A = Array<u8, U2>;