\input{umtest-preamble}
\usepackage{unicode-math}
\setmathfont{XITS Math}
\begin{document}
$ $                                       \\
\number \fontdimen 10 \textfont         0 \\
\number \fontdimen 11 \textfont         0 \\
\number \fontdimen 10 \scriptfont       0 \\
\number \fontdimen 11 \scriptfont       0 \\
\number \fontdimen 10 \scriptscriptfont 0 \\
\number \fontdimen 11 \scriptscriptfont 0
\end{document}
