summaryrefslogtreecommitdiffstats
path: root/js/src/tests/test262/built-ins/Object/entries/getter-removing-future-key.js
blob: 71ecc6cb67ef66e74380e3b3a7555e8506f39899 (plain)
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
// Copyright (C) 2015 Jordan Harband. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
esid: sec-object.entries
description: Object.entries does not see an element removed by a getter that is hit during iteration
author: Jordan Harband
---*/

var bDeletesC = {
  a: 'A',
  get b() {
    delete this.c;
    return 'B';
  },
  c: 'C'
};

var result = Object.entries(bDeletesC);

assert.sameValue(Array.isArray(result), true, 'result is an array');
assert.sameValue(result.length, 2, 'result has 2 items');

assert.sameValue(Array.isArray(result[0]), true, 'first entry is an array');
assert.sameValue(Array.isArray(result[1]), true, 'second entry is an array');

assert.sameValue(result[0][0], 'a', 'first entry has key "a"');
assert.sameValue(result[0][1], 'A', 'first entry has value "A"');
assert.sameValue(result[1][0], 'b', 'second entry has key "b"');
assert.sameValue(result[1][1], 'B', 'second entry has value "B"');

reportCompare(0, 0);