assertThrows(SmbEndOfFileException.class, () -> raf.readFully(new byte[4]));
    }

    @Test
    @DisplayName("readFully(): reads across multiple partial reads")
    void readFully_readsAll() throws Exception {
        SmbRandomAccessFile raf = spy(newInstance("r", false, false, false));
        AtomicInteger calls = new AtomicInteger();
        doAnswer(inv -> {
            int len = inv.getArgument(2);