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#!perl -w
#
# $Id: 60leaks.t 11244 2008-05-11 15:13:10Z capttofu $
#
# This is a skeleton test. For writing new tests, take this file
# and modify/extend it.
#
use strict;
use DBI;
use Test::More;
use Carp qw(croak);
use Data::Dumper;
use vars qw($table $test_dsn $test_user $test_password);
use lib 't', '.';
require 'lib.pl';
my $COUNT_CONNECT = 4000; # Number of connect/disconnect iterations
my $COUNT_PREPARE = 10000; # Number of prepare/execute/finish iterations
my $have_storable;
if (!$ENV{SLOW_TESTS}) {
plan skip_all => "Skip \$ENV{SLOW_TESTS} is not set\n";
}
eval { require Proc::ProcessTable; };
if ($@) {
plan skip_all => "Skip Proc::ProcessTable not installed \n";
}
eval { require Storable };
$have_storable = $@ ? 0 : 1;
my ($dbh, $sth);
eval {$dbh= DBI->connect($test_dsn, $test_user, $test_password,
{ RaiseError => 1, PrintError => 1, AutoCommit => 0 });};
if ($@) {
plan skip_all =>
"ERROR: $@. Can't continue test";
}
plan tests => 21;
sub size {
my($p, $pt);
$pt = Proc::ProcessTable->new('cache_ttys' => $have_storable);
for $p (@{$pt->table()}) {
if ($p->pid() == $$) {
return $p->size();
}
}
die "Cannot find my own process?!?\n";
exit 0;
}
ok $dbh->do("DROP TABLE IF EXISTS $table");
my $create= <<EOT;
CREATE TABLE $table (
id INT(4) NOT NULL DEFAULT 0,
name VARCHAR(64) NOT NULL DEFAULT ''
)
EOT
ok $dbh->do($create);
my ($size, $prev_size, $ok, $not_ok, $dbh2, $msg);
print "Testing memory leaks in connect/disconnect\n";
$msg = "Possible memory leak in connect/disconnect detected";
$ok = 0;
$not_ok = 0;
$prev_size= undef;
for (my $i = 0; $i < $COUNT_CONNECT; $i++) {
eval {$dbh2 = DBI->connect($test_dsn, $test_user, $test_password,
{ RaiseError => 1, PrintError => 1, AutoCommit => 0 });};
if ($@) {
$not_ok++;
last;
}
if ($i % 100 == 99) {
$size = size();
if (defined($prev_size)) {
if ($size == $prev_size) {
$ok++;
}
else {
$not_ok++;
}
}
$prev_size = $size;
}
}
$dbh2->disconnect;
ok $ok, "\$ok $ok";
ok !$not_ok, "\$not_ok $not_ok";
cmp_ok $ok, '>', $not_ok, "\$ok $ok \$not_ok $not_ok";
print "Testing memory leaks in prepare/execute/finish\n";
$msg = "Possible memory leak in prepare/execute/finish detected";
$ok = 0;
$not_ok = 0;
undef $prev_size;
for (my $i = 0; $i < $COUNT_PREPARE; $i++) {
my $sth = $dbh->prepare("SELECT * FROM $table");
$sth->execute();
$sth->finish();
if ($i % 100 == 99) {
$size = size();
if (defined($prev_size))
{
if ($size == $prev_size) {
$ok++;
}
else {
$not_ok++;
}
}
$prev_size = $size;
}
}
ok $ok;
ok !$not_ok, "\$ok $ok \$not_ok $not_ok";
cmp_ok $ok, '>', $not_ok, "\$ok $ok \$not_ok $not_ok";
print "Testing memory leaks in fetchrow_arrayref\n";
$msg= "Possible memory leak in fetchrow_arrayref detected";
$sth= $dbh->prepare("INSERT INTO $table VALUES (?, ?)") ;
my $dataref= [[1, 'Jochen Wiedmann'],
[2, 'Andreas Knig'],
[3, 'Tim Bunce'],
[4, 'Alligator Descartes'],
[5, 'Jonathan Leffler']];
for (@$dataref) {
ok $sth->execute($_->[0], $_->[1]),
"insert into $table values ($_->[0], '$_->[1]')";
}
$ok = 0;
$not_ok = 0;
undef $prev_size;
for (my $i = 0; $i < $COUNT_PREPARE; $i++) {
{
my $sth = $dbh->prepare("SELECT * FROM $table");
$sth->execute();
my $row;
while ($row = $sth->fetchrow_arrayref()) { }
$sth->finish();
}
if ($i % 100 == 99) {
$size = size();
if (defined($prev_size)) {
if ($size == $prev_size) {
++$ok;
}
else {
++$not_ok;
}
}
$prev_size = $size;
}
}
ok $ok;
ok !$not_ok, "\$ok $ok \$not_ok $not_ok";
cmp_ok $ok, '>', $not_ok, "\$ok $ok \$not_ok $not_ok";
print "Testing memory leaks in fetchrow_hashref\n";
$msg = "Possible memory leak in fetchrow_hashref detected";
$ok = 0;
$not_ok = 0;
undef $prev_size;
for (my $i = 0; $i < $COUNT_PREPARE; $i++) {
{
my $sth = $dbh->prepare("SELECT * FROM $table");
$sth->execute();
my $row;
while ($row = $sth->fetchrow_hashref()) { }
$sth->finish();
}
if ($i % 100 == 99) {
$size = size();
if (defined($prev_size)) {
if ($size == $prev_size) {
++$ok;
}
else {
++$not_ok;
}
}
$prev_size = $size;
}
}
ok $ok;
ok !$not_ok, "\$ok $ok \$not_ok $not_ok";
cmp_ok $ok, '>', $not_ok, "\$ok $ok \$not_ok $not_ok";
ok $dbh->do("DROP TABLE $table");
ok $dbh->disconnect;
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