private static final NON_ASCII_NAME = [
        "ascii-only": "ascii",
        "space": " ",
        "zwnj": "\u200c",
        "chinese": "敏捷的棕色狐狸跳过了懒狗",
        "cyrillic": "здравствуйте",
        "hungarian": "Árvíztűrő tükörfúrógép",
    ].values().join("-")

    private static final DEFAULT_ENCODINGS = [
        "UTF-8",
        "ISO-8859-1",
        "windows-1250",
    ]

    testEncodeDecode(
      unicode = "세계의모든사람들이한국어를이해한다면얼마나좋을까",
      punycode = "xn--989aomsvi5e83db1d2a355cv1e0vak1dwrv93d5xbh15a0dt30a5jpsd879ccm6fea98c",
    )

    // (I) Russian (Cyrillic)
    testEncodeDecode(
      unicode = "почемужеонинеговорятпорусски",
      punycode = "xn--b1abfaaepdrnnbgefbadotcwatmq2g4l",
    )

    // (J) Spanish
    testEncodeDecode(

//
// A common pattern for scripts in the Unicode standard is for upper and lower
// case runes to alternate for increasing rune values (e.g. the accented Latin
// ranges starting from U+0100 and U+1E00 among others and some Cyrillic
// characters). We use this property by defining a cXORCase mode, where the case
// mode (always upper or lower case) is derived from the rune value. As the XOR