public function testBasic()
{
$a = ['invoice' => [['total_net' => 10], ['total_net' => 20], ['total_net' => 15]]];
$this->setDB($a);
$db = new Persistence_SQL($this->db->connection);
$i = (new Model($db, 'invoice'))->addFields(['total_net', 'total_vat']);
$i->addExpression('total_gross', '[total_net]+[total_vat]');
$i->setOrder('total_net');
$i->onlyFields(['total_net']);
$data = [];
foreach ($i as $row) {
$data[] = $row->get();
}
foreach ($i as $row) {
$data[] = $row->get();
$i->setLimit(1);
}
foreach ($i as $row) {
$data[] = $row->get();
}
$this->assertEquals([['total_net' => 10], ['total_net' => 15], ['total_net' => 20], ['total_net' => 10], ['total_net' => 15], ['total_net' => 20], ['total_net' => 10]], $data);
}