perl-XML-LibXML / t / 72destruction.t

use strict;
use warnings;
use Test::More;
use Scalar::Util;
use XML::LibXML;

if (defined (&Scalar::Util::weaken))
    plan tests => 1;
    plan skip_all => 'Need Scalar::Util::weaken';

my $is_destroyed;
    no warnings 'once', 'redefine';
    my $old = \&XML::LibXML::Element::DESTROY;
    *XML::LibXML::Element::DESTROY = sub

# Create element...
my $root = XML::LibXML->load_xml( IO => \*DATA )->documentElement;

# allow %hash to go out of scope quickly.
    my %hash = %$root;
    # assignment to ensure block is not optimized away
    $hash{foo} = 'phooey';

# Destroy element...

# Touch the fieldhash...
my %other = %{ XML::LibXML->load_xml( string => '<foo/>' )->documentElement };

ok($is_destroyed, "does not leak memory");

<root attr1="foo" xmlns:x="http://localhost/" x:attr2="bar" />
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