1#!/usr/bin/perl -w
2
3BEGIN {
4    if( $ENV{PERL_CORE} ) {
5        chdir 't';
6        @INC = ('../lib', 'lib');
7    }
8    else {
9        unshift @INC, 't/lib';
10    }
11}
12
13use strict;
14use Test::More tests => 8;
15use TieOut;
16
17ok( !Test::Builder::_is_fh("foo"), 'string is not a filehandle' );
18ok( !Test::Builder::_is_fh(''),    'empty string' );
19ok( !Test::Builder::_is_fh(undef), 'undef' );
20
21ok( open(FILE, '>foo') );
22END { close FILE; unlink 'foo' }
23
24ok( Test::Builder::_is_fh(*FILE) );
25ok( Test::Builder::_is_fh(\*FILE) );
26ok( Test::Builder::_is_fh(*FILE{IO}) );
27
28tie *OUT, 'TieOut';
29ok( Test::Builder::_is_fh(*OUT) );
30