@covers Symfony\Component\DependencyInjection\ContainerBuilder::setAliases
public function testSetAliases() {
$builder = new ContainerBuilder();
$builder
->setAliases(array(
'bar' => 'foo',
'foobar' => 'foo',
));
$aliases = $builder
->getAliases();
$this
->assertTrue(isset($aliases['bar']));
$this
->assertTrue(isset($aliases['foobar']));
}