lithium\tests\cases\data\source\DatabaseTest::testRawHaving PHP Method

    public function testRawHaving()
    {
        $query = new Query(array('type' => 'read', 'model' => $this->_model, 'having' => null));
        $this->assertEmpty($this->_db->having(5, $query));
        $this->assertEmpty($this->_db->having(null, $query));
        $this->assertEqual("HAVING CUSTOM", $this->_db->having("CUSTOM", $query));
    }