gh-1131.lvt

\documentclass{minimal}
\input{pgf-regression-test}

\RequirePackage{pgfkeys}

\begin{document}

\START

\BEGINTEST{pgfkeys: prevent csname from implicitly defining /foo}
\pgfkeysgetvalue{/foo}{\mycmd}
\pgfkeysifdefined{/foo}{\TYPE{true}}{\TYPE{false}}
\ENDTEST

\BEGINTEST{pgfkeys: keys must be able to hold \relax}

% essentially \let\csname pgfk@/bar\endcsname\relax
\pgfkeyslet{/bar}{\relax}
\pgfkeys{/bar}
\pgfkeysifdefined{/bar}{\TYPE{true}}{\TYPE{false}}

% essentially \def\csname pgfk@/bar\endcsname{\relax}
\pgfkeys{/bar/.initial=\relax}
\pgfkeys{/bar}
\pgfkeysifdefined{/bar}{\TYPE{true}}{\TYPE{false}}

\pgfkeyslet{/bar}{\undefined}
\pgfkeysifdefined{/bar}{\TYPE{true}}{\TYPE{false}}
\ENDTEST

\BEGINTEST{pgfkeys: nice error handling for accidental \relax in /.@cmd}
\csname pgfk@/baz/.@cmd\endcsname
\pgfkeys{/baz}
\ENDTEST

\END