use Test::More;
plan tests => 5;

sub source_path {
    my $file = shift;
    if (env::var('PERL_CORE')) {
        require File::Spec;
        my $updir = File::Spec->updir;
        my $dir = File::Spec->catdir ($updir, 'lib', 'Pod', 'Simple', 't');
        return File::Spec->catfile ($dir, $file);
    } else {
        return $file;
    }
}

use Pod::Simple::Text;
$Pod::Simple::Text::FREAKYMODE = 1;

my $parser  = Pod::Simple::Text->new();
 
foreach my $file (@(
  "junk1.pod",
  "junk2.pod",
  "perlcyg.pod",
  "perlfaq.pod",
  "perlvar.pod",)
) {

  unless(-e source_path($file)) {
    ok 0;
    print $^STDOUT, "# But $file doesn't exist!!\n";
    next;
  }

    my $precooked = source_path($file);
    my $strings = @(undef, undef);
    $precooked =~ s<\.pod><o.txt>s;
    $parser->reinit;
    $parser->output_string(\$strings[0]);
    $parser->parse_file( source_path($file));

    open(my $in, "<", $precooked) or die "Can't read-open $precooked: $^OS_ERROR";
    do {
      local $^INPUT_RECORD_SEPARATOR = undef;
      $strings[1] = ~< *$in;
    };
    close($in);

    for ($strings) { s/\s+/ /g; s/^\s+//s; s/\s+$//s; }

    if($strings[0] eq $strings[1]) {
      ok 1;
      next;
    } elsif( do{
      for ($strings) { s/[ ]//g; };
      $strings[0] eq $strings[1];
    }){
      print $^STDOUT, "# Differ only in whitespace.\n";
      ok 1;
      next;
    } else {
    
      my $x = $strings[0] ^^^ $strings[1];
      $x =~ m/^(\x00*)/s or die;
      my $at = length($1);
      print $^STDOUT, "# Difference at byte $at...\n";
      if($at +> 10) {
        $at -= 5;
      }
      do {
        print $^STDOUT, "# ", substr($strings[0],$at,20), "\n";
        print $^STDOUT, "# ", substr($strings[1],$at,20), "\n";
        print $^STDOUT, "#      ^...";
      };
    
      ok 0;
      printf $^STDOUT, "# Unequal lengths \%s and \%s\n", length($strings[0]), length($strings[1]);
      next;
    }
  }