public function testCssClassesMethods($classes)
{
$b = new Breadcrumbs(array(), $classes);
$this->assertCount(count($classes), $b->getBreadcrumbsCssClasses());
$b->removeCssClasses($classes);
$this->assertCount(0, $b->getBreadcrumbsCssClasses());
$b->addCssClasses($classes);
$this->assertCount(count($classes), $b->getBreadcrumbsCssClasses());
}