diff --git a/tests/math/mathop/test.tex b/tests/math/mathop/test.tex
index 0d9816a..9c606be 100644
--- a/tests/math/mathop/test.tex
+++ b/tests/math/mathop/test.tex
@@ -2,7 +2,24 @@
 
 \usepackage{mkessler-mathop}
 
+
+\usepackage[T1]{fontenc}
+\usepackage[utf8]{inputenc}
+\usepackage{mathtools}   % loads »amsmath«
+\usepackage{graphicx}
+\usepackage{relsize}
+
+\DeclareMathOperator*{\name}{\raisebox{-0.5ex}{\scalebox{2}{$\ast$}}}
+
+
 \begin{document}
+
+ a = b = $\name_a^b cd\sum_a^b \int_a^b \name_a^b$
+
+\[
+A\name_C D\name_a^b \sum_a^b
+\] 
+
 \[
     \Gal \Quot \PreSh \tensor \Var \Br \Set \CHaus \cfun \One \left\lfloor \frac{1}{\frac{3}{\frac{7}{8}}} \right\rfloor \abs{\frac{1}{\frac{8}{\frac{4}{3}}}}  \lVert \frac{a}{\frac{b}{c}} \rVert  \left< \frac{a}{\frac{b}{c}} \right> \norm{\frac{a}{\frac{b}{c}}} \norm{test}  \norm{\frac{a}{\frac{b}{c}}}
 \]