Current File : //data/old/usr/share/texlive/texmf-dist/doc/latex/oberdiek/test/ltxcmds-test-ifboxempty.tex
%%
%% This is file `ltxcmds-test-ifboxempty.tex',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% ltxcmds.dtx (with options: `test-ifboxempty')
%%
%% This is a generated file.
%%
%% Project: ltxcmds
%% Version: 2011/11/09 v1.22
%%
%% Copyright (C) 2009-2011 by
%% Heiko Oberdiek <heiko.oberdiek at googlemail.com>
%%
%% This work may be distributed and/or modified under the
%% conditions of the LaTeX Project Public License, either
%% version 1.3c of this license or (at your option) any later
%% version. This version of this license is in
%% http://www.latex-project.org/lppl/lppl-1-3c.txt
%% and the latest version of this license is in
%% http://www.latex-project.org/lppl.txt
%% and version 1.3 or later is part of all distributions of
%% LaTeX version 2005/12/01 or later.
%%
%% This work has the LPPL maintenance status "maintained".
%%
%% This Current Maintainer of this work is Heiko Oberdiek.
%%
%% The Base Interpreter refers to any `TeX-Format',
%% because some files are installed in TDS:tex/generic//.
%%
%% This work consists of the main source file ltxcmds.dtx
%% and the derived files
%% ltxcmds.sty, ltxcmds.pdf, ltxcmds.ins, ltxcmds.drv,
%% ltxcmds-test1.tex, ltxcmds-test-gobble.tex,
%% ltxcmds-test-ifempty.tex, ltxcmds-test-zapspace.tex,
%% ltxcmds-test-ifboxempty.tex, ltxcmds-test-nextchar.tex,
%% ltxcmds-test-carcdr.tex.
%%
\catcode`\{=1 %
\catcode`\}=2 %
\catcode`\#=6 %
\catcode`\@=11 %
\begingroup\expandafter\expandafter\expandafter\endgroup
\expandafter\ifx\csname RequirePackage\endcsname\relax
\input ltxcmds.sty\relax
\else
\RequirePackage{ltxcmds}[2011/11/09]%
\fi
\def\msg#{\immediate\write16}
% make box 0 void
\begingroup
\setbox0=\box0 %
\endgroup
\ifvoid0 %
\else
\errmessage{Voiding box 0 failed}%
\fi
\setbox2=\box0 %
\def\test#1#2{%
\@test{#1}{#2}%
\@@test{#1}{#2}%
\chardef\x=#1%
\@test\x{#2}%
\@@test\x{#2}%
}
\def\@test#1#2{%
\begingroup
\setbox9=\hbox{%
\def\TestExpected{#2}%
\ltx@IfBoxEmpty{#1}{%
\def\TestResult{Y}%
}{%
\def\TestResult{N}%
}%
\ifx\TestExpected\TestResult
\msg{* Test passed.}%
\else
\errmessage{Test failed!}%
\fi
}%
\ifdim\wd9=0pt %
\else
\errmessage{Unwanted space?}%
\fi
\endgroup
}
\def\@@test#1#2{%
\begingroup
\setbox9=\hbox{%
\def\TestExpected{#2}%
\ifvoid#1\def\TestExpected{Y}\fi
\ltx@IfBoxVoidOrEmpty{#1}{%
\def\TestResult{Y}%
}{%
\def\TestResult{N}%
}%
\ifx\TestExpected\TestResult
\msg{* Test passed.}%
\else
\errmessage{Test failed!}%
\fi
}%
\ifdim\wd9=0pt %
\else
\errmessage{Unwanted space?}%
\fi
\endgroup
}
\test0N
\test2N
\setbox0=\hbox{}
\test0Y
\setbox2=\hbox{}
\test2Y
\setbox0=\vbox{}
\test0Y
\setbox2=\vbox{}
\test0Y
\setbox0=\hbox{ }%
\test0N
\setbox2=\hbox{ }%
\test2N
\setbox0=\hbox{\penalty1}%
\test0N
\setbox2=\hbox{\penalty1}%
\test2N
\csname @@end\endcsname\end
\endinput
%%
%% End of file `ltxcmds-test-ifboxempty.tex'.
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