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// Copyright (C) 2017 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-array.prototype.unshift
description: >
A TypeError is thrown if the new length exceeds 2^53-1.
info: |
1. ...
2. Let len be ? ToLength(? Get(O, "length")).
3. Let argCount be the number of actual arguments.
4. If argCount > 0, then
a. If len+argCount > 2^53-1, throw a TypeError exception.
b. ...
---*/
var arrayLike = {};
arrayLike.length = 2**53 - 1;
assert.throws(TypeError, function() {
Array.prototype.unshift.call(arrayLike, null);
}, "Length is 2**53 - 1");
arrayLike.length = 2**53;
assert.throws(TypeError, function() {
Array.prototype.unshift.call(arrayLike, null);
}, "Length is 2**53");
arrayLike.length = 2**53 + 2;
assert.throws(TypeError, function() {
Array.prototype.unshift.call(arrayLike, null);
}, "Length is 2**53 + 2");
arrayLike.length = Infinity;
assert.throws(TypeError, function() {
Array.prototype.unshift.call(arrayLike, null);
}, "Length is Infinity");
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