public function testGetHash()
 {
     $diff = array();
     $instance = new CompositePropertyTableDiffIterator($diff);
     $instance->setSubject(DIWikiPage::newFromText(__METHOD__));
     $this->assertInternalType('string', $instance->getHash());
 }
 /**
  * @since 2.5
  *
  * @param CompositePropertyTableDiffIterator $compositePropertyTableDiffIterator
  *
  * @return string
  */
 public function getSlot(CompositePropertyTableDiffIterator $compositePropertyTableDiffIterator)
 {
     return $this->prefix . self::CACHE_NAMESPACE . $compositePropertyTableDiffIterator->getHash();
 }