#! /bin/sh
# Copyright (C) 2006, 2007  Free Software Foundation, Inc.
#
# This file is part of GNU Texinfo.
#
# GNU Texinfo is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License,
# or (at your option) any later version.
#
# GNU Texinfo is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

required='tex'

. ./defs || exit 1

set -e

# one_run ARGS -- FILES
# ---------------------
# Run texi2dvi with ARGS, expect the FILES to be left.  Remove them.
one_run ()
{
  # Use pstricks.
  cat >input.tex <<EOF
\documentclass[a4paper]{article}
\usepackage{pst-node}
\pagestyle{empty}
\begin{document}
\begin{psmatrix}
  A & B & C & D & E & F
\end{psmatrix}
\psset{arrows=->}
\nccircle{1,1}{0.5}
\nccircle[angleA=30]{1,2}{0.4}
\nccircle[arrows=-,nodesep=0.05]{1,3}{0.2}
\ncloop[angleB=180]{1,4}{1,4}
\ncloop[angleB=180,linearc=0.35,nodesep=0.1]{1,5}{1,5}
\ncloop[angleB=180,linearc=0.15,loopsize=0.4]{1,6}{1,6}

\vspace{1cm}
\begin{psmatrix}
  A & B & C & D
\end{psmatrix}
\psset{arrows=->,nodesep=0.05}
\ncangles[armA=0.8,armB=0,angleA=70,angleB=110,linearc=0.22]{1,1}{1,1}
\ncdiag[arm=0.9,angleA=70,angleB=110,linearc=0.3]{1,2}{1,2}
\ncdiag[arm=0.8,angleA=50,angleB=130,linearc=0.25]{1,3}{1,3}
\ncdiag[arm=0.8,angleA=50,angleB=130,linearc=0.28]{1,4}{1,4}
\end{document}
EOF

  TEXI2DVI_pass $(optionset_get 1 "$@") input.tex
  # There should only be the expected and input files.
  assert_and_remove_files $(optionset_get 2 "$@") input.tex
}

one_run --dvipdf --batch --clean \
   -- \
   input.pdf