public function testNumericNodeCreation()
 {
     $builder = new BaseNodeBuilder();
     $node = $builder->integerNode('foo')->min(3)->max(5);
     $this->assertInstanceOf('Symfony\\Component\\Config\\Definition\\Builder\\IntegerNodeDefinition', $node);
     $node = $builder->floatNode('bar')->min(3.0)->max(5.0);
     $this->assertInstanceOf('Symfony\\Component\\Config\\Definition\\Builder\\FloatNodeDefinition', $node);
 }