mirror of https://github.com/tc39/test262.git
34 lines
662 B
JavaScript
34 lines
662 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: Map entry insertion during traversal using for..of
|
|
info: |
|
|
New entries inserted into a Map instance during traversal should be
|
|
visited.
|
|
es6id: 13.6.4
|
|
features: [Map]
|
|
---*/
|
|
|
|
var map = new Map();
|
|
var iterationCount = 0;
|
|
|
|
var first = [0, 'a'];
|
|
var second = [1, 'b'];
|
|
|
|
map.set(0, 'a');
|
|
|
|
for (var x of map) {
|
|
assert.sameValue(x[0], first[0]);
|
|
assert.sameValue(x[1], first[1]);
|
|
|
|
first = second;
|
|
second = null;
|
|
|
|
map.set(1, 'b');
|
|
|
|
iterationCount += 1;
|
|
}
|
|
|
|
assert.sameValue(iterationCount, 2);
|