public function testHeadersFromStringMultiHeaderWillAggregateLazyLoadedHeaders()
{
$headers = new Mail\Headers();
/* @var $pcl \Zend\Loader\PluginClassLoader */
$pcl = $headers->getPluginClassLoader();
$pcl->registerPlugin('foo', 'Zend\\Mail\\Header\\GenericMultiHeader');
$headers->addHeaderLine('foo: bar1,bar2,bar3');
$headers->forceLoading();
$this->assertEquals(3, $headers->count());
}
