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// Copyright (c) 2025 Cloudflare, Inc.
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// Licensed under the Apache 2.0 license found in the LICENSE file or at:
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//     https://opensource.org/licenses/Apache-2.0
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import assert from 'node:assert';
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import punycode from 'node:punycode';
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export const testPunycode = {
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  test() {
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    assert.strictEqual(punycode.encode('ü'), 'tda');
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    assert.strictEqual(punycode.encode('Goethe'), 'Goethe-');
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    assert.strictEqual(punycode.encode('Bücher'), 'Bcher-kva');
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    assert.strictEqual(
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      punycode.encode(
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        'Willst du die Blüthe des frühen, die Früchte des späteren Jahres'
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      ),
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      'Willst du die Blthe des frhen, die Frchte des spteren Jahres-x9e96lkal'
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    );
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    assert.strictEqual(punycode.encode('日本語'), 'wgv71a119e');
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    assert.strictEqual(punycode.encode('𩸽'), 'x73l');
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    assert.strictEqual(punycode.decode('tda'), 'ü');
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    assert.strictEqual(punycode.decode('Goethe-'), 'Goethe');
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    assert.strictEqual(punycode.decode('Bcher-kva'), 'Bücher');
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    assert.strictEqual(
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      punycode.decode(
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        'Willst du die Blthe des frhen, die Frchte des spteren Jahres-x9e96lkal'
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      ),
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      'Willst du die Blüthe des frühen, die Früchte des späteren Jahres'
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    );
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    assert.strictEqual(punycode.decode('wgv71a119e'), '日本語');
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    assert.strictEqual(punycode.decode('x73l'), '𩸽');
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    assert.throws(() => {
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      punycode.decode(' ');
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    }, /^RangeError: Invalid input$/);
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    assert.throws(() => {
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      punycode.decode('α-');
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    }, /^RangeError: Illegal input >= 0x80 \(not a basic code point\)$/);
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    assert.throws(() => {
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      punycode.decode('あ');
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    }, /^RangeError: Invalid input$/);
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    // http://tools.ietf.org/html/rfc3492#section-7.1
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    const tests = [
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      // (A) Arabic (Egyptian)
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      {
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        encoded: 'egbpdaj6bu4bxfgehfvwxn',
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        decoded:
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          '\u0644\u064A\u0647\u0645\u0627\u0628\u062A\u0643\u0644\u0645' +
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          '\u0648\u0634\u0639\u0631\u0628\u064A\u061F',
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      },
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      // (B) Chinese (simplified)
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      {
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        encoded: 'ihqwcrb4cv8a8dqg056pqjye',
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        decoded: '\u4ED6\u4EEC\u4E3A\u4EC0\u4E48\u4E0D\u8BF4\u4E2D\u6587',
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      },
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      // (C) Chinese (traditional)
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      {
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        encoded: 'ihqwctvzc91f659drss3x8bo0yb',
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        decoded: '\u4ED6\u5011\u7232\u4EC0\u9EBD\u4E0D\u8AAA\u4E2D\u6587',
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      },
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      // (D) Czech: Pro<ccaron>prost<ecaron>nemluv<iacute><ccaron>esky
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      {
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        encoded: 'Proprostnemluvesky-uyb24dma41a',
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        decoded:
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          '\u0050\u0072\u006F\u010D\u0070\u0072\u006F\u0073\u0074\u011B' +
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          '\u006E\u0065\u006D\u006C\u0075\u0076\u00ED\u010D\u0065\u0073\u006B\u0079',
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      },
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      // (E) Hebrew
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      {
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        encoded: '4dbcagdahymbxekheh6e0a7fei0b',
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        decoded:
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          '\u05DC\u05DE\u05D4\u05D4\u05DD\u05E4\u05E9\u05D5\u05D8\u05DC' +
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          '\u05D0\u05DE\u05D3\u05D1\u05E8\u05D9\u05DD\u05E2\u05D1\u05E8\u05D9\u05EA',
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      },
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      // (F) Hindi (Devanagari)
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      {
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        encoded: 'i1baa7eci9glrd9b2ae1bj0hfcgg6iyaf8o0a1dig0cd',
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        decoded:
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          '\u092F\u0939\u0932\u094B\u0917\u0939\u093F\u0928\u094D\u0926' +
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          '\u0940\u0915\u094D\u092F\u094B\u0902\u0928\u0939\u0940\u0902\u092C' +
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          '\u094B\u0932\u0938\u0915\u0924\u0947\u0939\u0948\u0902',
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      },
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      // (G) Japanese (kanji and hiragana)
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      {
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        encoded: 'n8jok5ay5dzabd5bym9f0cm5685rrjetr6pdxa',
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        decoded:
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          '\u306A\u305C\u307F\u3093\u306A\u65E5\u672C\u8A9E\u3092\u8A71' +
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          '\u3057\u3066\u304F\u308C\u306A\u3044\u306E\u304B',
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      },
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      // (H) Korean (Hangul syllables)
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      {
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        encoded:
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          '989aomsvi5e83db1d2a355cv1e0vak1dwrv93d5xbh15a0dt30a5jpsd879' +
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          'ccm6fea98c',
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        decoded:
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          '\uC138\uACC4\uC758\uBAA8\uB4E0\uC0AC\uB78C\uB4E4\uC774\uD55C' +
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          '\uAD6D\uC5B4\uB97C\uC774\uD574\uD55C\uB2E4\uBA74\uC5BC\uB9C8\uB098' +
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          '\uC88B\uC744\uAE4C',
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      },
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      // (I) Russian (Cyrillic)
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      {
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        encoded: 'b1abfaaepdrnnbgefbadotcwatmq2g4l',
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        decoded:
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          '\u043F\u043E\u0447\u0435\u043C\u0443\u0436\u0435\u043E\u043D' +
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          '\u0438\u043D\u0435\u0433\u043E\u0432\u043E\u0440\u044F\u0442\u043F' +
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          '\u043E\u0440\u0443\u0441\u0441\u043A\u0438',
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      },
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      // (J) Spanish: Porqu<eacute>nopuedensimplementehablarenEspa<ntilde>ol
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      {
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        encoded: 'PorqunopuedensimplementehablarenEspaol-fmd56a',
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        decoded:
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          '\u0050\u006F\u0072\u0071\u0075\u00E9\u006E\u006F\u0070\u0075' +
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          '\u0065\u0064\u0065\u006E\u0073\u0069\u006D\u0070\u006C\u0065\u006D' +
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          '\u0065\u006E\u0074\u0065\u0068\u0061\u0062\u006C\u0061\u0072\u0065' +
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          '\u006E\u0045\u0073\u0070\u0061\u00F1\u006F\u006C',
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      },
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      // (K) Vietnamese: T<adotbelow>isaoh<odotbelow>kh<ocirc>ngth
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      // <ecirchookabove>ch<ihookabove>n<oacute>iti<ecircacute>ngVi<ecircdotbelow>t
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      {
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        encoded: 'TisaohkhngthchnitingVit-kjcr8268qyxafd2f1b9g',
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        decoded:
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          '\u0054\u1EA1\u0069\u0073\u0061\u006F\u0068\u1ECD\u006B\u0068' +
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          '\u00F4\u006E\u0067\u0074\u0068\u1EC3\u0063\u0068\u1EC9\u006E\u00F3' +
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          '\u0069\u0074\u0069\u1EBF\u006E\u0067\u0056\u0069\u1EC7\u0074',
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      },
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      // (L) 3<nen>B<gumi><kinpachi><sensei>
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      {
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        encoded: '3B-ww4c5e180e575a65lsy2b',
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        decoded: '\u0033\u5E74\u0042\u7D44\u91D1\u516B\u5148\u751F',
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      },
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      // (M) <amuro><namie>-with-SUPER-MONKEYS
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      {
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        encoded: '-with-SUPER-MONKEYS-pc58ag80a8qai00g7n9n',
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        decoded:
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          '\u5B89\u5BA4\u5948\u7F8E\u6075\u002D\u0077\u0069\u0074\u0068' +
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          '\u002D\u0053\u0055\u0050\u0045\u0052\u002D\u004D\u004F\u004E\u004B' +
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          '\u0045\u0059\u0053',
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      },
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      // (N) Hello-Another-Way-<sorezore><no><basho>
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      {
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        encoded: 'Hello-Another-Way--fc4qua05auwb3674vfr0b',
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        decoded:
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          '\u0048\u0065\u006C\u006C\u006F\u002D\u0041\u006E\u006F\u0074' +
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          '\u0068\u0065\u0072\u002D\u0057\u0061\u0079\u002D\u305D\u308C\u305E' +
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          '\u308C\u306E\u5834\u6240',
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      },
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      // (O) <hitotsu><yane><no><shita>2
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      {
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        encoded: '2-u9tlzr9756bt3uc0v',
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        decoded: '\u3072\u3068\u3064\u5C4B\u6839\u306E\u4E0B\u0032',
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      },
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      // (P) Maji<de>Koi<suru>5<byou><mae>
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      {
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        encoded: 'MajiKoi5-783gue6qz075azm5e',
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        decoded:
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          '\u004D\u0061\u006A\u0069\u3067\u004B\u006F\u0069\u3059\u308B' +
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          '\u0035\u79D2\u524D',
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      },
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      // (Q) <pafii>de<runba>
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      {
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        encoded: 'de-jg4avhby1noc0d',
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        decoded: '\u30D1\u30D5\u30A3\u30FC\u0064\u0065\u30EB\u30F3\u30D0',
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      },
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      // (R) <sono><supiido><de>
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      {
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        encoded: 'd9juau41awczczp',
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        decoded: '\u305D\u306E\u30B9\u30D4\u30FC\u30C9\u3067',
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      },
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      // (S) -> $1.00 <-
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      {
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        encoded: '-> $1.00 <--',
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        decoded:
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          '\u002D\u003E\u0020\u0024\u0031\u002E\u0030\u0030\u0020\u003C' +
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          '\u002D',
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      },
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    ];
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    let errors = 0;
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    const handleError = (error, name) => {
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      console.error(
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        `FAIL: ${name} expected ${error.expected}, got ${error.actual}`
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      );
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      errors++;
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    };
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    const regexNonASCII = /[^\x20-\x7E]/;
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    const testBattery = {
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      encode: (test) =>
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        assert.strictEqual(punycode.encode(test.decoded), test.encoded),
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      decode: (test) =>
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        assert.strictEqual(punycode.decode(test.encoded), test.decoded),
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      toASCII: (test) =>
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        assert.strictEqual(
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          punycode.toASCII(test.decoded),
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          regexNonASCII.test(test.decoded)
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            ? `xn--${test.encoded}`
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            : test.decoded
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        ),
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      toUnicode: (test) =>
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        assert.strictEqual(
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          punycode.toUnicode(
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            regexNonASCII.test(test.decoded)
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              ? `xn--${test.encoded}`
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              : test.decoded
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          ),
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          regexNonASCII.test(test.decoded)
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            ? test.decoded.toLowerCase()
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            : test.decoded
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        ),
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    };
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    tests.forEach((testCase) => {
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      Object.keys(testBattery).forEach((key) => {
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        try {
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          testBattery[key](testCase);
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        } catch (error) {
235
          handleError(error, key);
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        }
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      });
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    });
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    // BMP code point
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    assert.strictEqual(punycode.ucs2.encode([0x61]), 'a');
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    // Supplementary code point (surrogate pair)
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    assert.strictEqual(punycode.ucs2.encode([0x1d306]), '\uD834\uDF06');
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    // high surrogate
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    assert.strictEqual(punycode.ucs2.encode([0xd800]), '\uD800');
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    // High surrogate followed by non-surrogates
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    assert.strictEqual(punycode.ucs2.encode([0xd800, 0x61, 0x62]), '\uD800ab');
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    // low surrogate
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    assert.strictEqual(punycode.ucs2.encode([0xdc00]), '\uDC00');
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    // Low surrogate followed by non-surrogates
251
    assert.strictEqual(punycode.ucs2.encode([0xdc00, 0x61, 0x62]), '\uDC00ab');
252
 
253
    assert.strictEqual(errors, 0);
254
 
255
    // test map domain
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    assert.strictEqual(
257
      punycode.toASCII('Bücher@日本語.com'),
258
      'Bücher@xn--wgv71a119e.com'
259
    );
260
    assert.strictEqual(
261
      punycode.toUnicode('Bücher@xn--wgv71a119e.com'),
262
      'Bücher@日本語.com'
263
    );
264
  },
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};