%%
%% 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: 2011/04/18 v1.20
%% 
%% 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.
%% 
\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}[2011/04/18]%
\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'.
