--TEST-- MongoDB\Driver\WriteConcern construction (journaling with unacknowledged w) --FILE-- <?php require_once __DIR__ . '/../utils/tools.php'; echo throws(function() { new MongoDB\Driver\WriteConcern(0, 0, true); }, 'MongoDB\Driver\Exception\InvalidArgumentException'), "\n"; ?> ===DONE=== <?php exit(0); ?> --EXPECT-- OK: Got MongoDB\Driver\Exception\InvalidArgumentException Cannot enable journaling when using w = 0 ===DONE===