public function testBreadcrumbsArray()
{
$this->addChildWithExternalUrl();
$this->assertEquals(array('Root li' => null, 'Parent 1' => null), $this->pt1->getBreadcrumbsArray());
$this->assertEquals(array('Root li' => null, 'child' => 'http://www.symfony-reloaded.org'), $this->menu['child']->getBreadcrumbsArray());
$this->assertEquals(array('Root li' => null, 'child' => 'http://www.symfony-reloaded.org', 'subitem1' => null), $this->menu['child']->getBreadcrumbsArray('subitem1'));
$this->assertEquals(
array('Root li' => null, 'child' => 'http://www.symfony-reloaded.org', 'subitem1' => null, 'subitem2' => null, 'subitem3' => 'http://php.net'),
$this->menu['child']->getBreadcrumbsArray(array('subitem1', 'subitem2' => null, 'subitem3' => 'http://php.net'))
);
}