public function testAdd()
 {
     $collection = new CiteCollection();
     $this->assertEquals(0, $collection->count());
     $collection->add(new Cite());
     $this->assertEquals(1, $collection->count());
     $collection->add(new Cite());
     $this->assertEquals(2, $collection->count());
     $collection->add(new Cite());
     $this->assertEquals(3, $collection->count());
 }
 /**
  * @return Cite
  */
 public function getCite()
 {
     $index = mt_rand(0, $this->collection->count() - 1);
     return $this->collection[$index];
 }