1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
// 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);
|
