/usr/share/doc/texlive-doc/fonts/fontinst/test/v1916test.tex is in texlive-font-utils 2013.20140215-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 | % v1916test.tex
\input fontinst.sty
% \half and \otherhalf
\fontinstcc
\for(i){-5}{5}{1}
\eval_expr_to\b_count{\half{\int{i}}}
\eval_expr{\otherhalf{\int{i}}}
\immediate\write16{\strint{i}:~\the\b_count \space+~ \the\result}
\endfor(i)
\normalcc
\bye
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