--TEST--
MongoDB\Driver\Server::executeReadCommand() read concern inheritance
--SKIPIF--
<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
<?php skip_if_not_replica_set(); ?>
<?php skip_if_not_clean(); ?>
--FILE--
<?php
require_once __DIR__ . "/../utils/basic.inc";
require_once __DIR__ . "/../utils/observer.php";

$manager = create_test_manager(URI, ['readConcernLevel' => 'local']);
$server = $manager->selectServer(new MongoDB\Driver\ReadPreference('primary'));

$command = new MongoDB\Driver\Command([
    'aggregate' => COLLECTION_NAME,
    'pipeline' => [['$group' => ['_id' => 1]]],
    'cursor' => (object) [],
]);

(new CommandObserver)->observe(
    function() use ($server, $command) {
        $server->executeReadCommand(DATABASE_NAME, $command);
        $server->executeReadCommand(DATABASE_NAME, $command, [
            'readConcern' => new MongoDB\Driver\ReadConcern(MongoDB\Driver\ReadConcern::AVAILABLE),
        ]);
    },
    function(stdClass $command) {
        echo json_encode($command->readConcern), "\n";
    }
);

?>
===DONE===
<?php exit(0); ?>
--EXPECT--
{"level":"local"}
{"level":"available"}
===DONE===