mirror of
https://github.com/tc39/test262.git
synced 2025-08-28 21:38:26 +02:00
34 lines
1.1 KiB
JavaScript
34 lines
1.1 KiB
JavaScript
/// 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 ch15/15.4/15.4.4/15.4.4.14/15.4.4.14-9-a-19.js
|
|
* @description Array.prototype.indexOf - decreasing length of array does not delete non-configurable properties
|
|
*/
|
|
|
|
|
|
function testcase() {
|
|
|
|
var arr = [0, 1, 2];
|
|
|
|
Object.defineProperty(arr, "2", {
|
|
get: function () {
|
|
return "unconfigurable";
|
|
},
|
|
configurable: false
|
|
});
|
|
|
|
Object.defineProperty(arr, "1", {
|
|
get: function () {
|
|
arr.length = 2;
|
|
return 1;
|
|
},
|
|
configurable: true
|
|
});
|
|
|
|
return 2 === arr.indexOf("unconfigurable");
|
|
}
|
|
runTestCase(testcase);
|