glife/syntax/atom/qsp-package/node_modules/es5-ext/test/array/of/shim.js

// 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");
};