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|
--TEST--
MongoDB\Driver\Cursor query result iteration through NoRewindIterator
--SKIPIF--
<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
<?php skip_if_not_live(); ?>
<?php skip_if_not_clean(); ?>
--FILE--
<?php
require_once __DIR__ . "/../utils/basic.inc";
$manager = create_test_manager();
$bulk = new MongoDB\Driver\BulkWrite();
$bulk->insert(array('_id' => 1, 'x' => 1));
$bulk->insert(array('_id' => 2, 'x' => 1));
$manager->executeBulkWrite(NS, $bulk);
$cursor = $manager->executeQuery(NS, new MongoDB\Driver\Query(array("x" => 1)));
/* IteratorIterator requires either rewind() or next() to be called at least
* once to populate its current.data pointer, which valid() checks. Since next()
* would skip the first element and NoRewindIterator::rewind() is a NOP, we must
* explicitly call IteratorIterator::rewind() before composing it. */
$iteratorIterator = new IteratorIterator($cursor);
$iteratorIterator->rewind();
$noRewindIterator = new NoRewindIterator($iteratorIterator);
foreach ($noRewindIterator as $document) {
var_dump($document);
}
/* NoRewindIterator::rewind() is a NOP, so attempting to iterate a second time
* or calling rewind() directly accomplishes nothing. That said, it does avoid
* the exception one would otherwise get invoking the rewind handler after
* iteration has started. */
foreach ($noRewindIterator as $document) {
var_dump($document);
}
$noRewindIterator->rewind();
?>
===DONE===
<?php exit(0); ?>
--EXPECTF--
object(stdClass)#%d (2) {
["_id"]=>
int(1)
["x"]=>
int(1)
}
object(stdClass)#%d (2) {
["_id"]=>
int(2)
["x"]=>
int(1)
}
===DONE===
|
