verify(raf, times(2)).write(any(byte[].class), anyInt(), eq(8)); // long and double
    }

    @Test
    @DisplayName("writeBytes(): writes string bytes; writeChars(): 2x length")
    void write_stringVariants() throws Exception {
        SmbRandomAccessFile raf = spy(newInstance("rw", false, true, false));
        doNothing().when(raf).write(any(byte[].class), anyInt(), anyInt());

        raf.writeBytes("hi");