#!./perl
use strict;
use warnings;
use Test::More tests => 11;
use Scalar::Util qw(blessed);
my $t;
ok(!defined blessed(undef), 'undef is not blessed');
ok(!defined blessed(1), 'Numbers are not blessed');
ok(!defined blessed('A'), 'Strings are not blessed');
ok(!defined blessed({}), 'Unblessed HASH-ref');
ok(!defined blessed([]), 'Unblessed ARRAY-ref');
ok(!defined blessed(\$t), 'Unblessed SCALAR-ref');
my $x;
$x = bless [], "ABC";
is(blessed($x), "ABC", 'blessed ARRAY-ref');
$x = bless {}, "DEF";
is(blessed($x), "DEF", 'blessed HASH-ref');
$x = bless {}, "0";
cmp_ok(blessed($x), "eq", "0", 'blessed HASH-ref');
{
my $blessed = do {
my $depth;
no warnings 'redefine';
local *UNIVERSAL::can = sub { die "Burp!" if ++$depth > 2; blessed(shift) };
$x = bless {}, "DEF";
blessed($x);
};
is($blessed, "DEF", 'recursion of UNIVERSAL::can');
}
{
package Broken;
sub isa { die };
sub can { die };
my $obj = bless [], __PACKAGE__;
::is( ::blessed($obj), __PACKAGE__, "blessed on broken isa() and can()" );
}