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#!./perl
BEGIN {
unless (-d 'blib') {
chdir 't' if -d 't';
@INC = '../lib';
require Config; import Config;
keys %Config; # Silence warning
if ($Config{extensions} !~ /\bList\/Util\b/) {
print "1..0 # Skip: List::Util was not built\n";
exit 0;
}
}
}
use Scalar::Util qw(refaddr);
use vars qw($t $y $x *F $v $r);
use Symbol qw(gensym);
# Ensure we do not trigger and tied methods
tie *F, 'MyTie';
print "1..13\n";
my $i = 1;
foreach $v (undef, 10, 'string') {
print "not " if defined refaddr($v);
print "ok ",$i++,"\n";
}
foreach $r ({}, \$t, [], \*F, sub {}) {
my $addr = $r + 0;
print "not " unless refaddr($r) == $addr;
print "ok ",$i++,"\n";
my $obj = bless $r, 'FooBar';
print "not " unless refaddr($r) == $addr;
print "ok ",$i++,"\n";
}
package FooBar;
use overload '0+' => sub { 10 },
'+' => sub { 10 + $_[1] };
package MyTie;
sub TIEHANDLE { bless {} }
sub DESTROY {}
sub AUTOLOAD {
warn "$AUTOLOAD called";
exit 1; # May be in an eval
}
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