#!perl

# Purpose: test UserPreamble and UserPostamble
# It's a minor variation of 'pod2latex.t',
# subject to the same limitations.
#   Variant provided by
#       Adriano Rodrigues Ferreira <ferreira@triang.com.br>

use Test::More tests => 17;
use strict;

BEGIN {
  use_ok( "Pod::LaTeX" );
}

# The link parsing changed between v0.22 and v0.30 of Pod::ParseUtils
use Pod::ParseUtils;
my $linkver = $Pod::ParseUtils::VERSION;

# Set up an END block to remove the test output file
END {
  unlink "test.tex";
};

# First thing to do is to read the expected output from
# the DATA filehandle and store it in a scalar.
# Do this until we read an =pod
my @reference;
while (my $line = <DATA>) {
  last if $line =~ /^=pod/;
  push(@reference,$line);
}

my $user_preamble = <<PRE;

\\documentclass{article}

\\begin{document}
PRE

my $user_postamble = <<POST;
\\end{document}

POST

# Create a new parser
my %params = (
	UserPreamble => $user_preamble,
	UserPostamble => $user_postamble
);

my $parser = Pod::LaTeX->new(%params);
isa_ok($parser, "Pod::LaTeX");

# Create an output file
open(OUTFH, "> test.tex" ) or die "Unable to open test tex file: $!\n";

# Read from the DATA filehandle and write to a new output file
# Really want to write this to a scalar
$parser->parse_from_filehandle(\*DATA,\*OUTFH);

close(OUTFH) or die "Error closing OUTFH test.tex: $!\n";

# Now read in OUTFH and compare
open(INFH, "< test.tex") or die "Unable to read test tex file: $!\n";
my @output = <INFH>;

is(scalar @output, scalar @reference, "Count lines");

for my $i (0..$#reference) {
  next if $reference[$i] =~ /^%%/; # skip timestamp comments
  is($output[$i], $reference[$i], "Compare line $i");
}

close(INFH) or die "Error closing INFH test.tex: $!\n";


__DATA__

\documentclass{article}

\begin{document}

%%  Latex generated from POD in document (unknown)
%%  Using the perl module Pod::LaTeX
%%  Converted on Wed Jan 14 19:04:22 2004

%%  Preamble supplied by user.

\section{POD\label{POD}\index{POD}}


This is a POD file, very simple. \textit{Bye}.

\end{document}

=pod

=head1 POD

This is a POD file, very simple. I<Bye>.