| // Most tests taken from https://github.com/mathiasbynens/Array.of/blob/master/tests/tests.js |
| // Thanks @mathiasbynens |
| |
| 'use strict'; |
| |
| var defineProperty = Object.defineProperty; |
| |
| module.exports = function (t, a) { |
| var x = {}, testObject, MyType; |
| |
| a.deep(t(), [], "No arguments"); |
| a.deep(t(3), [3], "One numeric argument"); |
| a.deep(t(3, 'raz', null, x, undefined), [3, 'raz', null, x, undefined], |
| "Many arguments"); |
| |
| a(t.length, 0, "Length"); |
| |
| a.deep(t('abc'), ['abc'], "String"); |
| a.deep(t(undefined), [undefined], "Undefined"); |
| a.deep(t(null), [null], "Null"); |
| a.deep(t(false), [false], "Boolean"); |
| a.deep(t(-Infinity), [-Infinity], "Infinity"); |
| a.deep(t(-0), [-0], "-0"); |
| a.deep(t(+0), [+0], "+0"); |
| a.deep(t(1), [1], "1"); |
| a.deep(t(1, 2, 3), [1, 2, 3], "Numeric args"); |
| a.deep(t(+Infinity), [+Infinity], "+Infinity"); |
| a.deep(t({ '0': 'a', '1': 'b', '2': 'c', length: 3 }), |
| [{ '0': 'a', '1': 'b', '2': 'c', length: 3 }], "Array like"); |
| a.deep(t(undefined, null, false, -Infinity, -0, +0, 1, 2, +Infinity), |
| [undefined, null, false, -Infinity, -0, +0, 1, 2, +Infinity], "Falsy arguments"); |
| |
| a.h1("Null context"); |
| a.deep(t.call(null, 'abc'), ['abc'], "String"); |
| a.deep(t.call(null, undefined), [undefined], "Undefined"); |
| a.deep(t.call(null, null), [null], "Null"); |
| a.deep(t.call(null, false), [false], "Boolean"); |
| a.deep(t.call(null, -Infinity), [-Infinity], "-Infinity"); |
| a.deep(t.call(null, -0), [-0], "-0"); |
| a.deep(t.call(null, +0), [+0], "+0"); |
| a.deep(t.call(null, 1), [1], "1"); |
| a.deep(t.call(null, 1, 2, 3), [1, 2, 3], "Numeric"); |
| a.deep(t.call(null, +Infinity), [+Infinity], "+Infinity"); |
| a.deep(t.call(null, { '0': 'a', '1': 'b', '2': 'c', length: 3 }), |
| [{ '0': 'a', '1': 'b', '2': 'c', length: 3 }], "Array-like"); |
| a.deep(t.call(null, undefined, null, false, -Infinity, -0, +0, 1, 2, +Infinity), |
| [undefined, null, false, -Infinity, -0, +0, 1, 2, +Infinity], "Falsy"); |
| |
| a.h1("Other constructor context"); |
| a.deep(t.call(Object, 1, 2, 3), { '0': 1, '1': 2, '2': 3, length: 3 }, "Many arguments"); |
| |
| testObject = Object(3); |
| testObject[0] = 1; |
| testObject[1] = 2; |
| testObject[2] = 3; |
| testObject.length = 3; |
| a.deep(t.call(Object, 1, 2, 3), testObject, "Test object"); |
| a(t.call(Object).length, 0, "No arguments"); |
| a.throws(function () { t.call(function () { return Object.freeze({}); }); }, TypeError, |
| "Frozen instance"); |
| |
| // Ensure no setters are called for the indexes |
| MyType = function () {}; |
| defineProperty(MyType.prototype, '0', { |
| set: function (x) { throw new Error('Setter called: ' + x); } |
| }); |
| a.deep(t.call(MyType, 'abc'), { '0': 'abc', length: 1 }, "Define, not set"); |
| }; |