Function survives_reopen

nodedb-wal/src/double_write.rs:526–550

()

    #[test]
    fn survives_reopen() {
        let dir = tempfile::tempdir().unwrap();
        let dwb_path = dir.path().join("reopen.dwb");

        {
            let mut dwb = open_buffered(&dwb_path);
            let record = WalRecord::new(
                RecordType::Put as u32,
                7,
                1,
                0,
                0,
                b"durable".to_vec(),
                None,
                None,
            )
            .unwrap();
            dwb.write_record(&record).unwrap();
        }

        let mut dwb = open_buffered(&dwb_path);
        let recovered = dwb.recover_record(7).unwrap();
        assert!(recovered.is_some());
        assert_eq!(recovered.unwrap().payload, b"durable");
    }

    #[test]
    fn batch_deferred_writes_and_flush() {