Add tests for AsArrayRef/AsArrayMut impls on Array (#192)

Author: tarcieri

src/traits.rs

@@ -219,6 +219,16 @@ mod tests {
         assert_eq!([1, 2, 3].as_array_mut(), &Array([1, 2, 3]));
     }
 
+    #[test]
+    fn hybrid_as_array_ref() {
+        assert_eq!(A::from([1, 2]).as_array_ref(), &Array([1, 2]));
+    }
+
+    #[test]
+    fn hybrid_as_array_mut() {
+        assert_eq!(A::from([1, 2]).as_array_mut(), &Array([1, 2]));
+    }
+
     #[test]
     fn slice_as_hybrid_array() {
         assert_eq!([1, 2].as_hybrid_array::<U3>(), None);