#!/usr/bin/perl -w
#
# man-empty.t -- Test Pod::Man with a document that produces only errors.
#
# Copyright 2013 Russ Allbery <rra@stanford.edu>
#
# This program is free software; you may redistribute it and/or modify it
# under the same terms as Perl itself.

BEGIN {
    chdir 't' if -d 't';
    if ($ENV{PERL_CORE}) {
        @INC = '../lib';
    }
    unshift (@INC, '../blib/lib');
    $| = 1;
}

use strict;

use Test::More tests => 8;
BEGIN { use_ok ('Pod::Man') }

# Set up Pod::Man to output to a string.
my $parser = Pod::Man->new;
isa_ok ($parser, 'Pod::Man');
my $output;
$parser->output_string (\$output);

# Try a POD document where the only command is invalid.  With recent
# Pod::Simple, there will be a POD ERRORS section.  With older versions of
# Pod::Simple, we have to skip the test since it doesn't trigger this problem.
# Be sure that we don't get any warnings as well as any errors.
local $SIG{__WARN__} = sub { die $_[0] };
ok (eval { $parser->parse_string_document("=\xa0") },
    'Parsed invalid document');
is ($@, '', '...with no errors');
SKIP: {
    skip 'Pod::Simple does not produce errors for invalid commands', 1
        if $output eq q{};
    like ($output, qr{\.SH \"POD ERRORS\"},
          '...and output contains a POD ERRORS section');
}

# Try with a document containing only =cut.
ok (eval { $parser->parse_string_document("=cut") },
    'Parsed invalid document');
is ($@, '', '...with no errors');
SKIP: {
    skip 'Pod::Simple does not produce errors for invalid commands', 1
        if $output eq q{};
    like ($output, qr{\.SH \"POD ERRORS\"},
          '...and output contains a POD ERRORS section');
}