libxml-libxml-perl/t/40reader_mem_error.t

368 lines
8.0 KiB
Perl

#!/usr/bin/perl
# This code used to generate a memory error in valgrind/etc.
# Testing it.
use strict;
use warnings;
use Test::More;
use utf8;
use XML::LibXML;
BEGIN {
if (!XML::LibXML::HAVE_READER()) {
plan skip_all => 'Reader not supported in this libxml2 build';
exit;
}
else {
plan tests => 2;
}
}
package Test::XML::Ordered;
use XML::LibXML::Reader;
use Test::More;
use parent 'Exporter';
use vars '@EXPORT_OK';
@EXPORT_OK = (qw(is_xml_ordered));
sub new
{
my $class = shift;
my $self = {};
bless $self, $class;
$self->_init(@_);
return $self;
}
sub _got
{
return shift->{got_reader};
}
sub _expected
{
return shift->{expected_reader};
}
sub _init
{
my ($self, $args) = @_;
$self->{got_reader} =
XML::LibXML::Reader->new(@{$args->{got_params}});
$self->{expected_reader} =
XML::LibXML::Reader->new(@{$args->{expected_params}});
$self->{diag_message} = $args->{diag_message};
$self->{got_end} = 0;
$self->{expected_end} = 0;
return;
}
sub _got_end
{
return shift->{got_end};
}
sub _expected_end
{
return shift->{expected_end};
}
sub _read_got
{
my $self = shift;
if ($self->_got->read() <= 0)
{
$self->{got_end} = 1;
}
return;
}
sub _read_expected
{
my $self = shift;
if ($self->_expected->read() <= 0)
{
$self->{expected_end} = 1;
}
return;
}
sub _next_elem
{
my $self = shift;
$self->_read_got();
$self->_read_expected();
return;
}
sub _ns
{
my $elem = shift;
my $ns = $elem->namespaceURI();
return defined($ns) ? $ns : "";
}
sub _compare_loop
{
my $self = shift;
my $calc_prob = sub {
my $args = shift;
if (!exists($args->{param}))
{
die "No 'param' specified.";
}
return
{
verdict => 0,
param => $args->{param},
}
};
NODE_LOOP:
while ((!$self->_got_end()) && (!$self->_expected_end()))
{
my $type = $self->_got->nodeType();
my $exp_type = $self->_expected->nodeType();
if ($type == XML_READER_TYPE_SIGNIFICANT_WHITESPACE())
{
$self->_read_got();
redo NODE_LOOP;
}
elsif ($exp_type == XML_READER_TYPE_SIGNIFICANT_WHITESPACE())
{
$self->_read_expected();
redo NODE_LOOP;
}
elsif ($type != $exp_type)
{
return $calc_prob->({param => "nodeType"});
}
elsif ($type == XML_READER_TYPE_TEXT())
{
my $got_text = $self->_got->value();
my $expected_text = $self->_expected->value();
foreach my $t ($got_text, $expected_text)
{
$t =~ s{\A\s+}{}ms;
$t =~ s{\s+\z}{}ms;
$t =~ s{\s+}{ }ms;
}
if ($got_text ne $expected_text)
{
return $calc_prob->({param => "text"});
}
}
elsif ($type == XML_READER_TYPE_ELEMENT())
{
if ($self->_got->name() ne $self->_expected->name())
{
return $calc_prob->({param => "element_name"});
}
if (_ns($self->_got) ne _ns($self->_expected))
{
return $calc_prob->({param => "mismatch_ns"});
}
}
}
continue
{
$self->_next_elem();
}
return { verdict => 1};
}
sub _get_diag_message
{
my ($self, $status_struct) = @_;
if ($status_struct->{param} eq "nodeType")
{
return
"Different Node Type!\n"
. "Got: " . $self->_got->nodeType() . " at line " . $self->_got->lineNumber()
. "\n"
. "Expected: " . $self->_expected->nodeType() . " at line " . $self->_expected->lineNumber()
;
}
elsif ($status_struct->{param} eq "text")
{
return
"Texts differ: Got at " . $self->_got->lineNumber(). " with value <<@{[$self->_got->value()]}>> ; Expected at ". $self->_expected->lineNumber() . " with value <<@{[$self->_expected->value()]}>>.";
}
elsif ($status_struct->{param} eq "element_name")
{
return
"Got name: " . $self->_got->name(). " at " . $self->_got->lineNumber() .
" ; " .
"Expected name: " . $self->_expected->name() . " at " .$self->_expected->lineNumber();
}
elsif ($status_struct->{param} eq "mismatch_ns")
{
return
"Got Namespace: " . _ns($self->_got). " at " . $self->_got->lineNumber() .
" ; " .
"Expected Namespace: " . _ns($self->_expected) . " at " .$self->_expected->lineNumber();
}
else
{
die "Unknown param";
}
}
sub compare
{
local $Test::Builder::Level = $Test::Builder::Level+1;
my $self = shift;
$self->_next_elem();
my $status_struct = $self->_compare_loop();
my $verdict = $status_struct->{verdict};
if (!$verdict)
{
diag($self->_get_diag_message($status_struct));
}
return ok($verdict, $self->{diag_message});
}
sub is_xml_ordered
{
local $Test::Builder::Level = $Test::Builder::Level+1;
my ($got_params, $expected_params, $message) = @_;
my $comparator =
Test::XML::Ordered->new(
{
got_params => $got_params,
expected_params => $expected_params,
diag_message => $message,
}
);
return $comparator->compare();
}
my $xml_source = <<'EOF';
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:fic="http://web-cpan.berlios.de/modules/XML-Grammar-Fortune/fiction-xml-0.2/">
<head>
<title>David vs. Goliath - Part I</title>
</head>
<body>
<div class="fiction story" xml:id="index">
<h1>David vs. Goliath - Part I</h1>
<div class="fiction section" xml:id="top">
<h2>The Top Section</h2>
<p>
King David and Goliath were standing by each other.
</p>
<p>
David said unto Goliath: "I will shoot you. I <b>swear</b> I will"
</p>
<div class="fiction section" xml:id="goliath">
<h3>Goliath's Response</h3>
<p>
Goliath was not amused.
</p>
<p>
He said to David: "Oh, really. <i>David</i>, the red-headed!".
</p>
<p>
David started listing Goliath's disadvantages:
</p>
</div>
</div>
</div>
</body>
</html>
EOF
my $final_source = <<'EOF';
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:fic="http://web-cpan.berlios.de/modules/XML-Grammar-Fortune/fiction-xml-0.2/">
<head>
<title>David vs. Goliath - Part I</title>
</head>
<body>
<div class="fiction story" xml:id="index">
<h1>David vs. Goliath - Part I</h1>
<div class="fiction section" xml:id="top">
<h2>The Top Section</h2>
<p>
King David and Goliath were standing by each other.
</p>
<p>
David said unto Goliath: "I will shoot you. I <b>swear</b> I will"
</p>
<div class="fiction section" xml:id="goliath">
<h3>Goliath's Response</h3>
<p>
Goliath was not amused.
</p>
<p>
He said to David: "Oh, really. <i>David</i>, the red-headed!".
</p>
<p>
David started listing Goliath's disadvantages:
</p>
</div>
</div>
</div>
</body>
</html>
EOF
SKIP: {
# RT #84564
# https://bugzilla.gnome.org/show_bug.cgi?id=447899
if (XML::LibXML::LIBXML_RUNTIME_VERSION() < 20704) {
skip('Known double-free with libxml2 < 2.7.4', 1);
}
my @common = (validation => 0, load_ext_dtd => 0, no_network => 1);
# TEST
Test::XML::Ordered::is_xml_ordered(
[ string => $final_source, @common,],
[ string => $xml_source, @common,],
"foo",
);
}
# TEST
ok (1, "Finished");