perl/dist/IO/t/io_leak.t

38 lines
721 B
Perl

#!/usr/bin/perl
use warnings;
use strict;
use Test::More;
eval { require XS::APItest; XS::APItest->import('sv_count'); 1 }
or plan skip_all => "No XS::APItest::sv_count() available";
plan tests => 1;
sub leak {
my ($n, $delta, $code, $name) = @_;
my $sv0 = 0;
my $sv1 = 0;
for my $i (1..$n) {
&$code();
$sv1 = sv_count();
$sv0 = $sv1 if $i == 1;
}
cmp_ok($sv1-$sv0, '<=', ($n-1)*$delta, $name);
}
# [perl #129788] IO::Poll shouldn't leak on errors
{
package io_poll_leak;
use IO::Poll;
sub TIESCALAR { bless {} }
sub FETCH { die }
tie(my $a, __PACKAGE__);
sub f {eval { IO::Poll::_poll(0, $a, 1) }}
::leak(5, 0, \&f, q{IO::Poll::_poll shouldn't leak});
}