use oem_cp::{encode_string_checked, encode_string_lossy};
use oem_cp::code_table::{ENCODING_TABLE_CP437, ENCODING_TABLE_CP737};

assert_eq!(encode_string_checked("π≈22/7", &*ENCODING_TABLE_CP437), Some(vec![0xE3, 0xF7, 0x32, 0x32, 0x2F, 0x37]));
// Archimedes in Greek
assert_eq!(encode_string_checked("Αρχιμήδης", &*ENCODING_TABLE_CP737), Some(vec![0x80, 0xA8, 0xAE, 0xA0, 0xA3, 0xE3, 0x9B, 0x9E, 0xAA]));
// ¾ (U+00BE) is not included in CP437
assert_eq!(encode_string_checked("½+¼=¾", &*ENCODING_TABLE_CP437), None);
// Unknown characters can be replaced with ? (0x3F)
assert_eq!(encode_string_lossy("½+¼=¾", &*ENCODING_TABLE_CP437), vec![0xAB, 0x2B, 0xAC, 0x3D, 0x3F]);

use oem_cp::{decode_string_complete_table, decode_string_incomplete_table_checked, decode_string_incomplete_table_lossy};
use oem_cp::code_table::{DECODING_TABLE_CP437, DECODING_TABLE_CP874};

assert_eq!(&decode_string_complete_table(&[0xFB, 0xAC, 0x3D, 0xAB], &DECODING_TABLE_CP437), "√¼=½");

// For encoding that has some undefined code points, you must use decode_string_incomplete_table_{checked,lossy} instead of decode_string_complete_table

// means shrimp in Thai (U+E49 => 0xE9)
assert_eq!(decode_string_incomplete_table_checked(&[0xA1, 0xD8, 0xE9, 0xA7], &DECODING_TABLE_CP874), Some("กุ้ง".to_string()));
// 0xDB-0xDE,0xFC-0xFF is undefined in CP874 in Windows
assert_eq!(decode_string_incomplete_table_checked(&[0x30, 0xDB], &DECODING_TABLE_CP874), None);
// You can use decode_string_incomplete_table_lossy instead
assert_eq!(&decode_string_incomplete_table_lossy(&[0xA1, 0xD8, 0xE9, 0xA7], &DECODING_TABLE_CP874), "กุ้ง");
// Undefined code points are replaced with U+FFFD (replacement character)
assert_eq!(&decode_string_incomplete_table_lossy(&[0x30, 0xDB], &DECODING_TABLE_CP874), "0\u{FFFD}");

use oem_cp::code_table::{ENCODING_TABLE_CP_MAP, DECODING_TABLE_CP_MAP};
use oem_cp::{encode_string_checked, encode_string_lossy};

if let Some(cp874_table) = (*DECODING_TABLE_CP_MAP).get(&874) {
    assert_eq!(cp874_table.decode_string_checked(&[0xA1, 0xD8, 0xE9, 0xA7]), Some("กุ้ง".to_string()));
    // undefined mapping 0xDB for CP874
    assert_eq!(cp874_table.decode_string_checked(&[0xDB]), None);
    assert_eq!(&cp874_table.decode_string_lossy(&[0xDB]), "\u{FFFD}");
} else {
    panic!("Why the hell CP874 isn't registered?");
}

if let Some(cp437_table) = (*ENCODING_TABLE_CP_MAP).get(&437) {
    assert_eq!(encode_string_checked("π≈22/7", cp437_table), Some(&[0xE3, 0xF7, 0x32, 0x32, 0x2F, 0x37]));
    // ¾ is undefined in CP437
    assert_eq!(encode_string_checked("½+¼=¾", cp437_table), None);
    // It's replaced with ? (0x3F)
    assert_eq!(encode_string_lossy("½+¼=¾", cp437_table), &[0xAB, 0x2B, 0xAC, 0x3D, 0x3F]);
} else {
    panic!("Why the hell CP437 isn't registered?");
}