test262/test/built-ins/Object/defineProperty/15.2.3.6-4-162.js

35 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.
/*---
es5id: 15.2.3.6-4-162
description: >
Object.defineProperty - 'O' is an Array, 'name' is the length
property of 'O', the [[Value]] field of 'desc' is greater than
value of the length property, test TypeError is thrown when the
length property is not writable (15.4.5.1 step 3.f.i)
includes: [runTestCase.js]
---*/
function testcase() {
var arrObj = [];
Object.defineProperty(arrObj, "length", {
writable: false
});
try {
Object.defineProperty(arrObj, "length", {
value: 12
});
return false;
} catch (e) {
return e instanceof TypeError;
}
}
runTestCase(testcase);