test/gmp_tprintf.rb in gmp-0.6.19 vs test/gmp_tprintf.rb in gmp-0.6.31

@@ -31,10 +31,10 @@
         end
       end
       assert(fmt.size < MAX_OUTPUT)
       got = GMP.sprintf(fmt, *args)
 
-      assert_equal(want, got, "GMP.sprintf() generates correct output.")
+      assert_equal(want, got, "GMP.sprintf(#{fmt}, #{args.join(', ')}) generates correct output.")
     end
 
     def check_one(want, fmt, *args)
       assert_equal(want, GMP.sprintf(fmt, *args))
     end