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);
|
