blob: 957a7f3b1a5560f6719283b3f4af8aafe77c739a (
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
|
/// Copyright (c) 2012 Ecma International. All rights reserved.
/// Ecma International makes this code available under the terms and conditions set
/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the
/// "Use Terms"). Any redistribution of this code must retain the above
/// copyright and this notice and otherwise comply with the Use Terms.
/**
* @path ch15/15.4/15.4.4/15.4.4.22/15.4.4.22-9-b-25.js
* @description Array.prototype.reduceRight - deleting own property with prototype property causes prototype index property to be visited on an Array-like object
*/
function testcase() {
var testResult = false;
function callbackfn(prevVal, curVal, idx, obj) {
if (idx === 1 && curVal === 1) {
testResult = true;
}
}
var obj = { 0: 0, 1: 111, 4: 10, length: 10 };
Object.defineProperty(obj, "4", {
get: function () {
delete obj[1];
return 0;
},
configurable: true
});
try {
Object.prototype[1] = 1;
Array.prototype.reduceRight.call(obj, callbackfn, "initialValue");
return testResult;
} finally {
delete Object.prototype[1];
}
}
runTestCase(testcase);
|