mirror of https://github.com/tc39/test262.git
43 lines
1.0 KiB
JavaScript
43 lines
1.0 KiB
JavaScript
// Copyright (c) 2012 Ecma International. All rights reserved.
|
|
// This code is governed by the BSD license found in the LICENSE file.
|
|
|
|
/*---
|
|
es5id: 15.2.3.6-4-247
|
|
description: >
|
|
Object.defineProperty - 'O' is an Array, 'name' is an array index
|
|
named property, 'name' is data property and 'desc' is data
|
|
descriptor, and the [[Configurable]] attribute value of 'name' is
|
|
false, test TypeError is thrown if the [[Writable]] attribute
|
|
value of 'name' is false, and the [[Value]] field of 'desc' is -0,
|
|
and the [[Value]] attribute value of 'name' is +0 (15.4.5.1 step
|
|
4.c)
|
|
includes: [propertyHelper.js]
|
|
---*/
|
|
|
|
var arrObj = [];
|
|
|
|
Object.defineProperty(arrObj, "1", {
|
|
value: +0
|
|
});
|
|
|
|
try {
|
|
|
|
Object.defineProperty(arrObj, "1", {
|
|
value: -0
|
|
});
|
|
$ERROR("Expected an exception.");
|
|
} catch (e) {
|
|
verifyEqualTo(arrObj, "1", +0);
|
|
|
|
verifyNotWritable(arrObj, "1");
|
|
|
|
verifyNotEnumerable(arrObj, "1");
|
|
|
|
verifyNotConfigurable(arrObj, "1");
|
|
|
|
if (!(e instanceof TypeError)) {
|
|
$ERROR("Expected TypeError, got " + e);
|
|
}
|
|
|
|
}
|