git.r.bdr.sh - rbdr/dotfiles/blob - atom/packages/vim-mode/node_modules/grim/node_modules/emissary/node_modules/es6-weak-map/node_modules/es5-ext/test/array/from/shim.js

   1 // Some tests taken from: https://github.com/mathiasbynens/Array.from/blob/master/tests/tests.js
   2
   3 'use strict';
   4
   5 module.exports = function (t, a) {
   6         var o = [1, 2, 3], MyType;
   7         a.not(t(o), o, "Array");
   8         a.deep(t(o), o, "Array: same content");
   9         a.deep(t('12r3v'), ['1', '2', 'r', '3', 'v'], "String");
  10         a.deep(t((function () { return arguments; }(3, o, 'raz'))),
  11                 [3, o, 'raz'], "Arguments");
  12         a.deep(t((function () { return arguments; }(3))), [3],
  13                 "Arguments with one numeric value");
  14
  15         a.deep(t({ 0: 'raz', 1: 'dwa', length: 2 }), ['raz', 'dwa'], "Other");
  16
  17         a.deep(t(o, function (val) { return (val + 2) * 10; }, 10), [30, 40, 50],
  18                 "Mapping");
  19
  20         a.throws(function () { t(); }, TypeError, "Undefined");
  21         a.deep(t(3), [], "Primitive");
  22
  23         a(t.length, 1, "Length");
  24         a.deep(t({ length: 0 }), [], "No values Array-like");
  25         a.deep(t({ length: -1 }), [], "Invalid length Array-like");
  26         a.deep(t({ length: -Infinity }), [], "Invalid length Array-like #2");
  27         a.throws(function () { t(undefined); }, TypeError, "Undefined");
  28         a.throws(function () { t(null); }, TypeError, "Null");
  29         a.deep(t(false), [], "Boolean");
  30         a.deep(t(-Infinity), [], "Inifity");
  31         a.deep(t(-0), [], "-0");
  32         a.deep(t(+0), [], "+0");
  33         a.deep(t(1), [], "1");
  34         a.deep(t(+Infinity), [], "+Infinity");
  35         a.deep(t({}), [], "Plain object");
  36         a.deep(t({ length: 1 }), [undefined], "Sparse array-like");
  37         a.deep(t({ '0': 'a', '1': 'b', length: 2 }, function (x) { return x + x; }), ['aa', 'bb'],
  38                 "Map");
  39         a.deep(t({ '0': 'a', '1': 'b', length: 2 }, function (x) { return String(this); }, undefined),
  40                 ['undefined', 'undefined'], "Map context");
  41         a.deep(t({ '0': 'a', '1': 'b', length: 2 }, function (x) { return String(this); }, 'x'),
  42                 ['x', 'x'], "Map primitive context");
  43         a.throws(function () { t({}, 'foo', 'x'); }, TypeError, "Non callable for map");
  44
  45         a.deep(t.call(null, { length: 1, '0': 'a' }), ['a'], "Null context");
  46
  47         a(t({ __proto__: { '0': 'abc', length: 1 } })[0], 'abc', "Values on prototype");
  48
  49         a.throws(function () { t.call(function () { return Object.freeze({}); }, {}); },
  50                 TypeError, "Contructor producing freezed objects");
  51
  52         // Ensure no setters are called for the indexes
  53         // Ensure no setters are called for the indexes
  54         MyType = function () {};
  55         Object.defineProperty(MyType.prototype, '0', {
  56                 set: function (x) { throw new Error('Setter called: ' + x); }
  57         });
  58         a.deep(t.call(MyType, { '0': 'abc', length: 1 }), { '0': 'abc', length: 1 },
  59                 "Defined not set");
  60 };