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#!/usr/bin/perl -w
# -*- perl -*-
#
# $Id: leak.t,v 1.3 2002/03/07 23:04:54 eserte Exp $
# Author: Slaven Rezic
#
# Some leak tests. You need Devel::Leak installed and a debugging perl.
# I usually use this arguments to perl's Configure:
#
# -Doptimize='-g -DPERL_DEBUGGING_MSTATS' -Dusemymalloc='y'
#
# With the patches for tkGlue.c and pTkCallback.c (see the patches
# subdirectory), the problems here should get away.
#
use strict;
use Config;
use Tk;
use Tk::Button;
use Tk::Canvas;
BEGIN {
if (!eval q{
use Test;
use Devel::Leak;
die if $Config{optimize} !~ /-DPERL_DEBUGGING_MSTATS/;
1;
}) {
print "# tests only work with installed Test and Devel::Leak modules\n";
print "# also -DPERL_DEBUGGING_MSTATS have to be set\n";
print "1..1\n";
print "ok 1\n";
exit;
}
}
{
# gather all todos marked with "TODO: number"
my @todos;
open(DATA, $0) or die $!;
while(<DATA>) {
push @todos, $1 if (/^\#\s+TODO:\s+(\d+)/);
}
close DATA;
plan tests => 8, todo => [@todos];
}
my $mw = new MainWindow;
my $handle;
my($c1,$c2);
# Tests for leaking subroutine set
# first binding always creates some SVs
$mw->bind("<Motion>" => [sub { warn }]);
$c1 = Devel::Leak::NoteSV($handle);
for(1..100) {
$mw->bind("<Motion>" => [sub { warn }]);
}
$c2 = Devel::Leak::NoteSV($handle);
ok($c1, $c2);
# TODO: 2
$c1 = Devel::Leak::NoteSV($handle);
for(1..100) {
$mw->bind("<Motion>" => sub { warn });
}
$c2 = Devel::Leak::NoteSV($handle);
ok($c1, $c2);
# TODO: 3
$c1 = Devel::Leak::NoteSV($handle);
for(1..100) {
$mw->bind("<Motion>" => \&test);
}
$c2 = Devel::Leak::NoteSV($handle);
ok($c1, $c2);
my $btn = $mw->Button(-command => sub { warn });
# TODO: 4
$c1 = Devel::Leak::NoteSV($handle);
for(1..100) {
$btn->configure(-command => sub { warn });
}
$c2 = Devel::Leak::NoteSV($handle);
ok($c1, $c2);
# Tests for leaking Tk_GetUid (e.g. canvas items)
my $c = $mw->Canvas->pack;
$c->createLine(10,10,100,100, -tags => "a");
$c1 = Devel::Leak::NoteSV($handle);
for(1..100) {
$c->createLine(10,10,100,100,-tags => "a");
$c->delete("a");
}
$c2 = Devel::Leak::NoteSV($handle);
ok($c1, $c2);
# TODO: 6
$c1 = Devel::Leak::NoteSV($handle);
for(1..100) {
my $id = $c->createLine(10,10,100,100);
$c->delete($id);
}
$c2 = Devel::Leak::NoteSV($handle);
ok($c1, $c2);
# Tests for leaking widget destroys
my $btn2 = $mw->Button;
$btn2->destroy;
# TODO: 7
$c1 = Devel::Leak::NoteSV($handle);
for(1..100) {
my $btn2 = $mw->Button;
$btn2->destroy;
}
$c2 = Devel::Leak::NoteSV($handle);
ok($c1, $c2);
# Tests for leaking fileevent callbacks
$mw->fileevent(\*STDOUT, 'readable', sub { });
$mw->fileevent(\*STDOUT, 'readable','');
# TODO: 8
$c1 = Devel::Leak::NoteSV($handle);
$mw->fileevent(\*STDOUT, 'readable', sub { });
$mw->fileevent(\*STDOUT, 'readable','');
$c2 = Devel::Leak::CheckSV($handle);
ok($c1, $c2);
sub test { warn }
__END__
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