mirror of https://github.com/tc39/test262.git
40 lines
1.4 KiB
JavaScript
40 lines
1.4 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.
|
||
|
|
||
|
/*---
|
||
|
es5id: 15.2.3.6-4-168
|
||
|
description: >
|
||
|
Object.defineProperty - 'O' is an Array, 'name' is the length
|
||
|
property of 'O', whose writable attribute is being changed to
|
||
|
false and the [[Value]] field of 'desc' is less than value of the
|
||
|
length property and also lesser than an index of the array which
|
||
|
is set to configurable:false, test that new length is set to a
|
||
|
value greater than the non-deletable index by 1, writable
|
||
|
attribute of length is set to false and TypeError exception is
|
||
|
thrown (15.4.5.1 step 3.i.iii)
|
||
|
includes: [runTestCase.js]
|
||
|
---*/
|
||
|
|
||
|
function testcase() {
|
||
|
|
||
|
var arrObj = [0, 1, 2];
|
||
|
|
||
|
try {
|
||
|
Object.defineProperty(arrObj, "1", {
|
||
|
configurable: false
|
||
|
});
|
||
|
|
||
|
Object.defineProperty(arrObj, "length", {
|
||
|
value: 0,
|
||
|
writable: false
|
||
|
});
|
||
|
return false;
|
||
|
} catch (e) {
|
||
|
return e instanceof TypeError && arrObj.length === 2;
|
||
|
}
|
||
|
}
|
||
|
runTestCase(testcase);
|