File: map-expand-contract.js

package info (click to toggle)
qtdeclarative-opensource-src 5.15.8%2Bdfsg-3
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 259,256 kB
  • sloc: javascript: 512,396; cpp: 495,775; xml: 8,892; python: 3,304; ansic: 2,764; sh: 206; makefile: 62; php: 27
file content (28 lines) | stat: -rw-r--r-- 629 bytes parent folder | download | duplicates (11)
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
// 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 not be
    visited if they are removed prior to visitation.
es6id: 13.6.4
features: [Map]
---*/

var map = new Map();
var iterationCount = 0;

map.set(0, 'a');

for (var x of map) {
  assert.sameValue(x[0], 0);
  assert.sameValue(x[1], 'a');

  map.set(1, 'b');
  map.delete(1);

  iterationCount += 1;
}

assert.sameValue(iterationCount, 1);