summaryrefslogtreecommitdiffstats
path: root/js/src/tests/non262/strict/15.4.4.13.js
blob: 05d757aea71e72c83d289f6407abc64fce6d4cea (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
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */

/*
 * Any copyright is dedicated to the Public Domain.
 * http://creativecommons.org/licenses/publicdomain/
 */

function arr() {
  return Object.defineProperty([1, 2, 3], 0, {writable: false});
}

function obj() {
  var o = {0: 1, 1: 2, 2: 3, length: 3};
  Object.defineProperty(o, 0, {writable: false});
  return o;
}

assertEq(testLenientAndStrict('var a = arr(); [a.unshift(40, 50), a]',
                              raisesException(TypeError),
                              raisesException(TypeError)),
         true);

assertEq(testLenientAndStrict('var o = obj(); [Array.prototype.unshift.call(o, 40, 50), o]',
                              raisesException(TypeError),
                              raisesException(TypeError)),
         true);

function agap() {
  var a = [1, 2, , 4];
  Object.defineProperty(a, 3, {configurable: false});
  return a;
}

function ogap() {
  var o = {0: 1, 1: 2, /* no 2 */ 3: 4, length: 4};
  Object.defineProperty(o, 3, {configurable: false});
  return o;
}

assertEq(testLenientAndStrict('var a = agap(); [a.unshift(9), a]',
                              raisesException(TypeError),
                              raisesException(TypeError)),
         true);

assertEq(testLenientAndStrict('var o = ogap(); [Array.prototype.unshift.call(o, 9), o]',
                              raisesException(TypeError),
                              raisesException(TypeError)),
         true);

reportCompare(true, true);