#[cfg(test)]
mod tests {
    use crate::hex_display_slice;

    #[test]
    fn test_hex_display_slice() {
        const RAW_DATA: [u8; 64] = [
            0x01, 0x02, 0x00, 0x00, 0x00, 0x02, 0x00, 0x1b, 0x00, 0x00, 0x00, 0x0f, 0x00, 0x00,
            0x00, 0x02, 0x00, 0x00, 0x00, 0x02, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x0d,
            0x01, 0x05, 0x00, 0x00, 0x64, 0x69, 0x72, 0x2f, 0x66, 0x69, 0x6c, 0x65, 0x32, 0x2e,
            0x74, 0x78, 0x74, 0x6f, 0x74, 0x68, 0x65, 0x72, 0x09, 0x00, 0x00, 0x01, 0x00, 0x66,
            0x69, 0x6c, 0x65, 0x31, 0x2e, 0x74, 0x78, 0x74,
        ];
        let expected = "\
00000000  01 02 00 00 00 02 00 1b  00 00 00 0f 00 00 00 02  |................|
00000010  00 00 00 02 00 01 00 00  00 01 00 0d 01 05 00 00  |................|
00000020  64 69 72 2f 66 69 6c 65  32 2e 74 78 74 6f 74 68  |dir/file2.txtoth|
00000030  65 72 09 00 00 01 00 66  69 6c 65 31 2e 74 78 74  |er.....file1.txt|";
        assert_eq!(hex_display_slice(&RAW_DATA), expected);
    }
}