Author: Fabien Potencier (fabien@symfony.com)
Author: Grégoire Pineau (lyrixx@lyrixx.info)
Author: Tobias Nyholm (tobias.nyholm@gmail.com)
 public function testAddPlace()
 {
     $builder = new DefinitionBuilder(array('a'), array());
     $builder->addPlace('b');
     $definition = $builder->build();
     $this->assertCount(2, $definition->getPlaces());
     $this->assertEquals('a', $definition->getPlaces()['a']);
     $this->assertEquals('b', $definition->getPlaces()['b']);
 }