1 files changed, 8 insertions, 1 deletions
diff --git a/tests/NEON/ArrayAccessor.h b/tests/NEON/ArrayAccessor.h
index e56e6538ba..26bae10e00 100644
--- a/tests/NEON/ArrayAccessor.h
+++ b/tests/NEON/ArrayAccessor.h
@@ -50,7 +50,7 @@ public:
     ArrayAccessor(ArrayAccessor &&)                 = default;
     ArrayAccessor &operator=(ArrayAccessor &&) = default;
 
-    int num_values() const override
+    size_t num_values() const override
     {
         return _array.num_values();
     }
@@ -65,6 +65,13 @@ public:
         _array.resize(num);
     }
 
+    T &at(size_t index) const override
+    {
+        ARM_COMPUTE_ERROR_ON(_array.buffer() == nullptr);
+        ARM_COMPUTE_ERROR_ON(index >= num_values());
+        return _array.buffer()[index];
+    }
+
 private:
     Array<T> &_array;
 };