@expectedException \RuntimeException
public function testProcessDetectsCrossScopeHierarchyReference() {
$container = new ContainerBuilder();
$container
->addScope(new Scope('a'));
$container
->addScope(new Scope('b'));
$container
->register('a')
->setScope('a')
->addArgument(new Reference('b'));
$container
->register('b')
->setScope('b');
$this
->process($container);
}