test262/test/language/statements/for-of/array-expand-contract.js

26 lines
584 B
JavaScript

// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: >
Array entry insertion and removal items during traversal using for..of
info: >
New entries inserted into an Array instance during traversal should not be
visited if they are removed prior to visitation.
es6id: 13.6.4
---*/
var array = [0];
var iterationCount = 0;
for (var x of array) {
assert.sameValue(x, 0);
array.push(1);
array.pop();
iterationCount += 1;
}
assert.sameValue(iterationCount, 1);