public function testFilters()
 {
     $criteria = new ESphinxSearchCriteria();
     try {
         $criteria->addFilters('');
         $this->setExpectedException('ESphinxException');
     } catch (Exception $e) {
         $this->assertInstanceOf('ESphinxException', $e);
     }
     try {
         $criteria->addFilters(array());
         $this->setExpectedException('ESphinxException');
     } catch (Exception $e) {
         $this->assertInstanceOf('ESphinxException', $e);
     }
     try {
         $criteria->addFilters('', '');
         $this->setExpectedException('ESphinxException');
     } catch (Exception $e) {
         $this->assertInstanceOf('ESphinxException', $e);
     }
     // add attribute
     $criteria->addFilter('attribute', 10);
     $this->assertEquals($criteria->getFilters(), array(array('attribute' => 'attribute', 'value' => array(10), 'exclude' => false)));
     // clean
     $criteria->cleanFilters();
     $this->assertEquals($criteria->getFilters(), array());
     // adds value with exclude
     $criteria->addFilter('attribute', array(10, 20), true);
     $this->assertEquals($criteria->getFilters(), array(array('attribute' => 'attribute', 'value' => array(10, 20), 'exclude' => true)));
     // clean all
     $criteria->cleanFilters();
     $this->assertEquals($criteria->getFilters(), array());
     // add two filters
     $criteria->addFilters(array(array('a1', 11), array('a2', 22, 'exclude' => 1)));
     $this->assertEquals($criteria->getFilters(), array(array('attribute' => 'a1', 'value' => array(11), 'exclude' => false), array('attribute' => 'a2', 'value' => array(22), 'exclude' => true)));
     // установка новых значений
     $criteria->setFilters(array(array('a22', 'some-value')));
     $this->assertEquals($criteria->getFilters(), array(array('attribute' => 'a22', 'value' => array('some-value'), 'exclude' => false)));
 }