public function testClear()
 {
     $col = new PropelCollection();
     $col->clear();
     $this->assertEquals(array(), $col->getData(), 'clear() empties the collection');
     $data = array('bar1', 'bar2', 'bar3');
     $col = new PropelCollection($data);
     $col->clear();
     $this->assertEquals(array(), $col->getData(), 'clear() empties the collection');
 }
 public function serializeCollection(VisitorInterface $visitor, \PropelCollection $collection, Type $type, Context $context)
 {
     return $visitor->visitArray($collection->getData(), $type, $context);
 }