git.r.bdr.sh - rbdr/dotfiles/blob

   1 // Taken from: https://github.com/mathiasbynens/String.prototype.codePointAt
   2 //             /blob/master/tests/tests.js
   3
   4 'use strict';
   5
   6 module.exports = function (t, a) {
   7         a(t.length, 1, "Length");
   8
   9         // String that starts with a BMP symbol
  10         a(t.call('abc\uD834\uDF06def', ''), 0x61);
  11         a(t.call('abc\uD834\uDF06def', '_'), 0x61);
  12         a(t.call('abc\uD834\uDF06def'), 0x61);
  13         a(t.call('abc\uD834\uDF06def', -Infinity), undefined);
  14         a(t.call('abc\uD834\uDF06def', -1), undefined);
  15         a(t.call('abc\uD834\uDF06def', -0), 0x61);
  16         a(t.call('abc\uD834\uDF06def', 0), 0x61);
  17         a(t.call('abc\uD834\uDF06def', 3), 0x1D306);
  18         a(t.call('abc\uD834\uDF06def', 4), 0xDF06);
  19         a(t.call('abc\uD834\uDF06def', 5), 0x64);
  20         a(t.call('abc\uD834\uDF06def', 42), undefined);
  21         a(t.call('abc\uD834\uDF06def', Infinity), undefined);
  22         a(t.call('abc\uD834\uDF06def', Infinity), undefined);
  23         a(t.call('abc\uD834\uDF06def', NaN), 0x61);
  24         a(t.call('abc\uD834\uDF06def', false), 0x61);
  25         a(t.call('abc\uD834\uDF06def', null), 0x61);
  26         a(t.call('abc\uD834\uDF06def', undefined), 0x61);
  27
  28         // String that starts with an astral symbol
  29         a(t.call('\uD834\uDF06def', ''), 0x1D306);
  30         a(t.call('\uD834\uDF06def', '1'), 0xDF06);
  31         a(t.call('\uD834\uDF06def', '_'), 0x1D306);
  32         a(t.call('\uD834\uDF06def'), 0x1D306);
  33         a(t.call('\uD834\uDF06def', -1), undefined);
  34         a(t.call('\uD834\uDF06def', -0), 0x1D306);
  35         a(t.call('\uD834\uDF06def', 0), 0x1D306);
  36         a(t.call('\uD834\uDF06def', 1), 0xDF06);
  37         a(t.call('\uD834\uDF06def', 42), undefined);
  38         a(t.call('\uD834\uDF06def', false), 0x1D306);
  39         a(t.call('\uD834\uDF06def', null), 0x1D306);
  40         a(t.call('\uD834\uDF06def', undefined), 0x1D306);
  41
  42         // Lone high surrogates
  43         a(t.call('\uD834abc', ''), 0xD834);
  44         a(t.call('\uD834abc', '_'), 0xD834);
  45         a(t.call('\uD834abc'), 0xD834);
  46         a(t.call('\uD834abc', -1), undefined);
  47         a(t.call('\uD834abc', -0), 0xD834);
  48         a(t.call('\uD834abc', 0), 0xD834);
  49         a(t.call('\uD834abc', false), 0xD834);
  50         a(t.call('\uD834abc', NaN), 0xD834);
  51         a(t.call('\uD834abc', null), 0xD834);
  52         a(t.call('\uD834abc', undefined), 0xD834);
  53
  54         // Lone low surrogates
  55         a(t.call('\uDF06abc', ''), 0xDF06);
  56         a(t.call('\uDF06abc', '_'), 0xDF06);
  57         a(t.call('\uDF06abc'), 0xDF06);
  58         a(t.call('\uDF06abc', -1), undefined);
  59         a(t.call('\uDF06abc', -0), 0xDF06);
  60         a(t.call('\uDF06abc', 0), 0xDF06);
  61         a(t.call('\uDF06abc', false), 0xDF06);
  62         a(t.call('\uDF06abc', NaN), 0xDF06);
  63         a(t.call('\uDF06abc', null), 0xDF06);
  64         a(t.call('\uDF06abc', undefined), 0xDF06);
  65
  66         a.throws(function () { t.call(undefined); }, TypeError);
  67         a.throws(function () { t.call(undefined, 4); }, TypeError);
  68         a.throws(function () { t.call(null); }, TypeError);
  69         a.throws(function () { t.call(null, 4); }, TypeError);
  70         a(t.call(42, 0), 0x34);
  71         a(t.call(42, 1), 0x32);
  72         a(t.call({ toString: function () { return 'abc'; } }, 2), 0x63);
  73
  74         a.throws(function () { t.apply(undefined); }, TypeError);
  75         a.throws(function () { t.apply(undefined, [4]); }, TypeError);
  76         a.throws(function () { t.apply(null); }, TypeError);
  77         a.throws(function () { t.apply(null, [4]); }, TypeError);
  78         a(t.apply(42, [0]), 0x34);
  79         a(t.apply(42, [1]), 0x32);
  80         a(t.apply({ toString: function () { return 'abc'; } }, [2]), 0x63);
  81 };