public function testKey()
{
$resource = $this->db->connection->query("SELECT id, name FROM companies;");
$result = new Result(compact('resource'));
$this->assertEqual(0, $result->key());
$result->next();
$this->assertEqual(1, $result->key());
$result->next();
$this->assertEqual(2, $result->key());
$result->rewind();
$this->assertEqual(0, $result->key());
}
