| // Some tests taken from: https://github.com/mathiasbynens/Array.from/blob/master/tests/tests.js |
| |
| 'use strict'; |
| |
| module.exports = function (t, a) { |
| var o = [1, 2, 3], MyType; |
| a.not(t(o), o, "Array"); |
| a.deep(t(o), o, "Array: same content"); |
| a.deep(t('12r3v'), ['1', '2', 'r', '3', 'v'], "String"); |
| a.deep(t((function () { return arguments; }(3, o, 'raz'))), |
| [3, o, 'raz'], "Arguments"); |
| a.deep(t((function () { return arguments; }(3))), [3], |
| "Arguments with one numeric value"); |
| |
| a.deep(t({ 0: 'raz', 1: 'dwa', length: 2 }), ['raz', 'dwa'], "Other"); |
| |
| a.deep(t(o, function (val) { return (val + 2) * 10; }, 10), [30, 40, 50], |
| "Mapping"); |
| |
| a.throws(function () { t(); }, TypeError, "Undefined"); |
| a.deep(t(3), [], "Primitive"); |
| |
| a(t.length, 1, "Length"); |
| a.deep(t({ length: 0 }), [], "No values Array-like"); |
| a.deep(t({ length: -1 }), [], "Invalid length Array-like"); |
| a.deep(t({ length: -Infinity }), [], "Invalid length Array-like #2"); |
| a.throws(function () { t(undefined); }, TypeError, "Undefined"); |
| a.throws(function () { t(null); }, TypeError, "Null"); |
| a.deep(t(false), [], "Boolean"); |
| a.deep(t(-Infinity), [], "Inifity"); |
| a.deep(t(-0), [], "-0"); |
| a.deep(t(+0), [], "+0"); |
| a.deep(t(1), [], "1"); |
| a.deep(t(+Infinity), [], "+Infinity"); |
| a.deep(t({}), [], "Plain object"); |
| a.deep(t({ length: 1 }), [undefined], "Sparse array-like"); |
| a.deep(t({ '0': 'a', '1': 'b', length: 2 }, function (x) { return x + x; }), ['aa', 'bb'], |
| "Map"); |
| a.deep(t({ '0': 'a', '1': 'b', length: 2 }, function (x) { return String(this); }, undefined), |
| ['undefined', 'undefined'], "Map context"); |
| a.deep(t({ '0': 'a', '1': 'b', length: 2 }, function (x) { return String(this); }, 'x'), |
| ['x', 'x'], "Map primitive context"); |
| a.throws(function () { t({}, 'foo', 'x'); }, TypeError, "Non callable for map"); |
| |
| a.deep(t.call(null, { length: 1, '0': 'a' }), ['a'], "Null context"); |
| |
| a(t({ __proto__: { '0': 'abc', length: 1 } })[0], 'abc', "Values on prototype"); |
| |
| a.throws(function () { t.call(function () { return Object.freeze({}); }, {}); }, |
| TypeError, "Contructor producing freezed objects"); |
| |
| // Ensure no setters are called for the indexes |
| // Ensure no setters are called for the indexes |
| MyType = function () {}; |
| Object.defineProperty(MyType.prototype, '0', { |
| set: function (x) { throw new Error('Setter called: ' + x); } |
| }); |
| a.deep(t.call(MyType, { '0': 'abc', length: 1 }), { '0': 'abc', length: 1 }, |
| "Defined not set"); |
| }; |