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from plasTeX.TeX import TeX
def test_textrm():
tex = TeX()
tex.input(r'''
\documentclass{article}
\begin{document}
$\textrm{plastex}$
\end{document}
''')
nodes = tex.parse().getElementsByTagName('math')
assert len(nodes) == 1
assert nodes[0].textContent == 'plastex'
def test_math_in_textrm():
tex = TeX()
tex.input(r'''
\documentclass{article}
\begin{document}
$\textrm{$x$}$
\end{document}
''')
assert tex.parse().getElementsByTagName('math')[0].textContent == 'x'
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