test262/test/built-ins/Object/defineProperty/15.2.3.6-4-120.js

27 lines
780 B
JavaScript

// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 15.2.3.6-4-120
description: >
Object.defineProperty - 'O' is an Array, 'name' is the length
property of 'O', the [[Value]] field of 'desc' is absent, test
TypeError is thrown when updating the [[Configurable]] attribute
of the length property from false to true (15.4.5.1 step 3.a.i)
includes: [runTestCase.js]
---*/
function testcase() {
var arrObj = [];
try {
Object.defineProperty(arrObj, "length", {
configurable: true
});
return false;
} catch (e) {
return e instanceof TypeError;
}
}
runTestCase(testcase);