diff -r 7edce1b5a798 -r f83583a0bbac test/util_allocator.h
--- a/test/util_allocator.h	Wed Aug 03 15:44:46 2022 +0200
+++ b/test/util_allocator.h	Wed Aug 03 17:27:55 2022 +0200
@@ -64,11 +64,18 @@
     CxTestingAllocator();
 
     /**
+     * Verifies that this allocator has been used.
+     *
+     * @return true if any allocation was attempted using this allocator
+     */
+    [[nodiscard]] bool used() const;
+
+    /**
      * Verifies that all allocated memory blocks are freed and no free occurred twice.
      *
      * @return true iff all tracked allocations / deallocations were valid
      */
-    bool verify() const;
+    [[nodiscard]] bool verify() const;
 };
 
 #endif /* UCX_UTIL_ALLOCATOR_H */