test262/test/built-ins/Object/defineProperty/15.2.3.6-4-64.js

39 lines
711 B
JavaScript

// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 15.2.3.6-4-64
description: >
Object.defineProperty - desc.value = +0 and name.value = -0
(8.12.9 step 6)
includes: [propertyHelper.js]
---*/
var obj = {};
Object.defineProperty(obj, "foo", {
value: -0
});
try {
Object.defineProperty(obj, "foo", {
value: +0
});
$ERROR("Expected an exception.");
} catch (e) {
verifyEqualTo(obj, "foo", -0);
verifyNotWritable(obj, "foo");
verifyNotEnumerable(obj, "foo");
verifyNotConfigurable(obj, "foo");
if (!(e instanceof TypeError)) {
$ERROR("Expected TypeError, got " + e);
}
}