#!/usr/bin/perl -w
#
# Additional tests for Pod::Man options.
#
# Copyright 2002, 2004, 2006, 2008, 2009, 2012, 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 => 28;
BEGIN { use_ok ('Pod::Man') }

# Redirect stderr to a file.
sub stderr_save {
    open (OLDERR, '>&STDERR') or die "Can't dup STDERR: $!\n";
    open (STDERR, "> out$$.err") or die "Can't redirect STDERR: $!\n";
}

# Restore stderr.
sub stderr_restore {
    close STDERR;
    open (STDERR, '>&OLDERR') or die "Can't dup STDERR: $!\n";
    close OLDERR;
}

my $n = 1;
while (<DATA>) {
    my %options;
    next until $_ eq "###\n";
    while (<DATA>) {
        last if $_ eq "###\n";
        my ($option, $value) = split;
        $options{$option} = $value;
    }
    open (TMP, "> tmp$$.pod") or die "Cannot create tmp$$.pod: $!\n";
    while (<DATA>) {
        last if $_ eq "###\n";
        print TMP $_;
    }
    close TMP;
    my $parser = Pod::Man->new (%options);
    isa_ok ($parser, 'Pod::Man', 'Parser object');
    open (OUT, "> out$$.tmp") or die "Cannot create out$$.tmp: $!\n";
    stderr_save;
    eval { $parser->parse_from_file ("tmp$$.pod", \*OUT) };
    my $exception = $@;
    stderr_restore;
    close OUT;
    my $accents = 0;
    open (TMP, "out$$.tmp") or die "Cannot open out$$.tmp: $!\n";
    while (<TMP>) {
        last if /^\.nh/;
    }
    my $output;
    {
        local $/;
        $output = <TMP>;
    }
    close TMP;
    1 while unlink ("tmp$$.pod", "out$$.tmp");
    my $expected = '';
    while (<DATA>) {
        last if $_ eq "###\n";
        $expected .= $_;
    }
    is ($output, $expected, "Output correct for test $n");
    open (ERR, "out$$.err") or die "Cannot open out.err: $!\n";
    my $errors;
    {
        local $/;
        $errors = <ERR>;
    }
    close ERR;
    $errors =~ s/\Qtmp$$.pod/tmp.pod/g;
    1 while unlink ("out$$.err");
    if ($exception) {
        $exception =~ s/ at .*//;
        $errors .= "EXCEPTION: $exception";
    }
    $expected = '';
    while (<DATA>) {
        last if $_ eq "###\n";
        $expected .= $_;
    }
    is ($errors, $expected, "Errors are correct for test $n");
    $n++;
}

# Below the marker are bits of POD and corresponding expected text output and
# error output.  This is used to test specific features or problems with
# Pod::Man.  The options, input, output, and errors are separated by lines
# containing only ###.

__DATA__

###
fixed CR
fixedbold CY
fixeditalic CW
fixedbolditalic CX
###
=head1 FIXED FONTS

C<foo B<bar I<baz>> I<bay>>
###
.SH "FIXED FONTS"
.IX Header "FIXED FONTS"
\&\f(CR\*(C`foo \f(CYbar \f(CXbaz\f(CY\f(CR \f(CWbay\f(CR\*(C'\fR
###
###

###
###
=over 4

=item Foo

Bar.

=head1 NEXT
###
.IP "Foo" 4
.IX Item "Foo"
Bar.
.SH "NEXT"
.IX Header "NEXT"
.SH "POD ERRORS"
.IX Header "POD ERRORS"
Hey! \fBThe above document had some coding errors, which are explained below:\fR
.IP "Around line 7:" 4
.IX Item "Around line 7:"
You forgot a '=back' before '=head1'
###
###

###
stderr 1
###
=over 4

=item Foo

Bar.

=head1 NEXT
###
.IP "Foo" 4
.IX Item "Foo"
Bar.
.SH "NEXT"
.IX Header "NEXT"
###
tmp.pod around line 7: You forgot a '=back' before '=head1'
###

###
nourls 1
###
=head1 URL suppression

L<anchor|http://www.example.com/>
###
.SH "URL suppression"
.IX Header "URL suppression"
anchor
###
###

###
errors stderr
###
=over 4

=item Foo

Bar.

=head1 NEXT
###
.IP "Foo" 4
.IX Item "Foo"
Bar.
.SH "NEXT"
.IX Header "NEXT"
###
tmp.pod around line 7: You forgot a '=back' before '=head1'
###

###
errors die
###
=over 4

=item Foo

Bar.

=head1 NEXT
###
.IP "Foo" 4
.IX Item "Foo"
Bar.
.SH "NEXT"
.IX Header "NEXT"
###
tmp.pod around line 7: You forgot a '=back' before '=head1'
EXCEPTION: POD document had syntax errors
###

###
errors pod
###
=over 4

=item Foo

Bar.

=head1 NEXT
###
.IP "Foo" 4
.IX Item "Foo"
Bar.
.SH "NEXT"
.IX Header "NEXT"
.SH "POD ERRORS"
.IX Header "POD ERRORS"
Hey! \fBThe above document had some coding errors, which are explained below:\fR
.IP "Around line 7:" 4
.IX Item "Around line 7:"
You forgot a '=back' before '=head1'
###
###

###
errors none
###
=over 4

=item Foo

Bar.

=head1 NEXT
###
.IP "Foo" 4
.IX Item "Foo"
Bar.
.SH "NEXT"
.IX Header "NEXT"
###
###

###
errors none
###
=over 4

=item foo

Not a bullet.

=item *

Also not a bullet.

=back
###
.IP "foo" 4
.IX Item "foo"
Not a bullet.
.IP "*" 4
Also not a bullet.
###