texmath-0.13.3.2: test/reader/tex/genfrac-empty.test

<<< tex
\genfrac{}{}{0pt}{}{a}{b}
\genfrac{}{}{1pt}{}{a}{b}
\genfrac{}{}{1pt}{0}{a}{b}
\genfrac{(}{}{0pt}{}{a}{b}
\genfrac{}{)}{0pt}{}{a}{b}
\genfrac(]{0pt}{2}{a}{b}

>>> native
[ EDelimited
    ""
    ""
    [ Right (EFraction NoLineFrac (EIdentifier "a") (EIdentifier "b"))
    ]
, EDelimited
    ""
    ""
    [ Right (EFraction NormalFrac (EIdentifier "a") (EIdentifier "b"))
    ]
, EDelimited
    ""
    ""
    [ Right (EFraction DisplayFrac (EIdentifier "a") (EIdentifier "b"))
    ]
, EDelimited
    "("
    ""
    [ Right (EFraction NoLineFrac (EIdentifier "a") (EIdentifier "b"))
    ]
, EDelimited
    ""
    ")"
    [ Right (EFraction NoLineFrac (EIdentifier "a") (EIdentifier "b"))
    ]
, EDelimited
    "("
    "]"
    [ Right (EFraction NoLineFrac (EIdentifier "a") (EIdentifier "b"))
    ]
]