[ "This resource is focused on highlighting issues with UTS #46 ToASCII", { "comment": "Label with hyphens in 3rd and 4th position", "input": "aa--", "output": "aa--" }, { "input": "a†--", "output": "xn--a---kp0a" }, { "input": "ab--c", "output": "ab--c" }, { "comment": "Label with leading hyphen", "input": "-x", "output": "-x" }, { "input": "-†", "output": "xn----xhn" }, { "input": "-x.xn--zca", "output": "-x.xn--zca" }, { "input": "-x.ß", "output": "-x.xn--zca" }, { "comment": "Label with trailing hyphen", "input": "x-.xn--zca", "output": "x-.xn--zca" }, { "input": "x-.ß", "output": "x-.xn--zca" }, { "comment": "Empty labels", "input": "x..xn--zca", "output": "x..xn--zca" }, { "input": "x..ß", "output": "x..xn--zca" }, { "comment": "Invalid Punycode", "input": "xn--a", "output": null }, { "input": "xn--a.xn--zca", "output": null }, { "input": "xn--a.ß", "output": null }, { "input": "xn--ls8h=", "output": null }, { "comment": "Invalid Punycode (contains non-ASCII character)", "input": "xn--tešla", "output": null }, { "comment": "Valid Punycode", "input": "xn--zca.xn--zca", "output": "xn--zca.xn--zca" }, { "comment": "Mixed", "input": "xn--zca.ß", "output": "xn--zca.xn--zca" }, { "input": "ab--c.xn--zca", "output": "ab--c.xn--zca" }, { "input": "ab--c.ß", "output": "ab--c.xn--zca" }, { "comment": "CheckJoiners is true", "input": "\u200D.example", "output": null }, { "input": "xn--1ug.example", "output": null }, { "comment": "CheckBidi is true", "input": "يa", "output": null }, { "input": "xn--a-yoc", "output": null }, { "comment": "processing_option is Nontransitional_Processing", "input": "ශ්‍රී", "output": "xn--10cl1a0b660p" }, { "input": "نامه‌ای", "output": "xn--mgba3gch31f060k" }, { "comment": "U+FFFD", "input": "\uFFFD.com", "output": null }, { "comment": "U+FFFD character encoded in Punycode", "input": "xn--zn7c.com", "output": null }, { "comment": "Label longer than 63 code points", "input": "x01234567890123456789012345678901234567890123456789012345678901x", "output": "x01234567890123456789012345678901234567890123456789012345678901x" }, { "input": "x01234567890123456789012345678901234567890123456789012345678901†", "output": "xn--x01234567890123456789012345678901234567890123456789012345678901-6963b" }, { "input": "x01234567890123456789012345678901234567890123456789012345678901x.xn--zca", "output": "x01234567890123456789012345678901234567890123456789012345678901x.xn--zca" }, { "input": "x01234567890123456789012345678901234567890123456789012345678901x.ß", "output": "x01234567890123456789012345678901234567890123456789012345678901x.xn--zca" }, { "comment": "Domain excluding TLD longer than 253 code points", "input": "01234567890123456789012345678901234567890123456789.01234567890123456789012345678901234567890123456789.01234567890123456789012345678901234567890123456789.01234567890123456789012345678901234567890123456789.0123456789012345678901234567890123456789012345678.x", "output": "01234567890123456789012345678901234567890123456789.01234567890123456789012345678901234567890123456789.01234567890123456789012345678901234567890123456789.01234567890123456789012345678901234567890123456789.0123456789012345678901234567890123456789012345678.x" }, { "input": "01234567890123456789012345678901234567890123456789.01234567890123456789012345678901234567890123456789.01234567890123456789012345678901234567890123456789.01234567890123456789012345678901234567890123456789.0123456789012345678901234567890123456789012345678.xn--zca", "output": "01234567890123456789012345678901234567890123456789.01234567890123456789012345678901234567890123456789.01234567890123456789012345678901234567890123456789.01234567890123456789012345678901234567890123456789.0123456789012345678901234567890123456789012345678.xn--zca" }, { "input": "01234567890123456789012345678901234567890123456789.01234567890123456789012345678901234567890123456789.01234567890123456789012345678901234567890123456789.01234567890123456789012345678901234567890123456789.0123456789012345678901234567890123456789012345678.ß", "output": "01234567890123456789012345678901234567890123456789.01234567890123456789012345678901234567890123456789.01234567890123456789012345678901234567890123456789.01234567890123456789012345678901234567890123456789.0123456789012345678901234567890123456789012345678.xn--zca" }, { "comment": "IDNA ignored code points", "input": "a\u00ADb", "output": "ab" }, { "comment": "Interesting UseSTD3ASCIIRules=false cases", "input": "≠", "output": "xn--1ch" }, { "input": "≮", "output": "xn--gdh" }, { "input": "≯", "output": "xn--hdh" } ]