test262/test/built-ins/Object/defineProperties/15.2.3.7-6-a-194.js

29 lines
814 B
JavaScript

// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 15.2.3.7-6-a-194
description: >
Object.defineProperties - 'O' is an Array, 'P' is an array index
named property, 'P' property doesn't exist in 'O', test TypeError
is thrown when 'O' is not extensible (15.4.5.1 step 4.c)
includes: [runTestCase.js]
---*/
function testcase() {
var arr = [];
Object.preventExtensions(arr);
try {
Object.defineProperties(arr, {
"0": {
value: 1
}
});
return false;
} catch (e) {
return (e instanceof TypeError) && (arr.hasOwnProperty("0") === false);
}
}
runTestCase(testcase);