test262/test/built-ins/Array/of/Array.of_can-be-transplante...

38 lines
936 B
JavaScript

// Copyright (c) 2014 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
/*---
es6id: 22.1.2.3
description: >
The Array.of() method creates a new Array instance
with a variable number of arguments, regardless of
number or type of the arguments.
Array.of can be transplanted to other classes.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/of
includes: [compareArray.js]
---*/
var hits = 0;
function Bag() {
hits++;
}
Bag.of = Array.of;
hits = 0;
var actual = Bag.of("zero", "one");
assert.sameValue(hits, 1);
hits = 0;
var expected = new Bag;
expected[0] = "zero";
expected[1] = "one";
expected.length = 2;
assert(compareArray(actual, expected));
hits = 0;
actual = Array.of.call(Bag, "zero", "one");
assert.sameValue(hits, 1);
assert(compareArray(actual, expected));