wiki.techinc.nl/tests/phpunit/includes/deferred/DeferredUpdatesTest.php

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<?php
class DeferredUpdatesTest extends MediaWikiTestCase {
public function testDoUpdates() {
$updates = array (
'1' => 'deferred update 1',
'2' => 'deferred update 2',
'3' => 'deferred update 3',
'2-1' => 'deferred update 1 within deferred update 2',
);
DeferredUpdates::addCallableUpdate(
function () use ( $updates ) {
echo $updates['1'];
}
);
DeferredUpdates::addCallableUpdate(
function () use ( $updates ) {
echo $updates['2'];
DeferredUpdates::addCallableUpdate(
function() use ( $updates ) {
echo $updates['2-1'];
}
);
}
);
DeferredUpdates::addCallableUpdate(
function () use ( $updates ) {
echo $updates[3];
}
);
$this->expectOutputString( implode( '', $updates ) );
DeferredUpdates::doUpdates();
}
}