assertEquals($expectedDocument, \MongoDB\read_concern_as_document($readConcern)); } public function provideReadConcernsAndDocuments() { return [ [ new ReadConcern, (object) [] ], [ new ReadConcern(ReadConcern::LOCAL), (object) ['level' => ReadConcern::LOCAL] ], [ new ReadConcern(ReadConcern::MAJORITY), (object) ['level' => ReadConcern::MAJORITY] ], ]; } }