/**
  * Returns class properties.
  *
  * @param integer $filter Properties filter
  * @return array
  */
 public function getProperties($filter = null)
 {
     if (null === $this->properties) {
         $broker = $this->broker;
         $this->properties = array_map(function (InternalReflectionProperty $property) use($broker) {
             return ReflectionProperty::create($property, $broker);
         }, parent::getProperties());
     }
     if (null === $filter) {
         return $this->properties;
     }
     return array_filter($this->properties, function (ReflectionProperty $property) use($filter) {
         return (bool) ($property->getModifiers() & $filter);
     });
 }
 /**
  * Tests an exception thrown when trying to create the reflection from a PHP internal reflection.
  *
  * @expectedException \TokenReflection\Exception\RuntimeException
  */
 public function testInternalPropertyReflectionCreate()
 {
     Php\ReflectionProperty::create(new \ReflectionClass('Exception'), $this->getBroker());
 }