public function testMergeOrderBy()
{
$this->queryBuilder->orderBy('price', SelectQueryBuilder::DESC);
$qb = new SelectQueryBuilder();
$qb->orderBy('score', SelectQueryBuilder::ASC);
$this->queryBuilder->mergeOrderBy($qb);
$expected = array(array('column' => 'price', 'order' => SelectQueryBuilder::DESC), array('column' => 'score', 'order' => SelectQueryBuilder::ASC));
// echo var_export($this->queryBuilder->getOrderByParts());
$this->assertEquals($expected, $this->queryBuilder->getOrderByParts());
}
