test262/test/built-ins/Object/defineProperty/15.2.3.6-4-411.js

34 lines
937 B
JavaScript

// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 15.2.3.6-4-411
description: >
ES5 Attributes - Inherited property whose [[Enumerable]] attribute
is set to false is non-enumerable (Math)
includes: [runTestCase.js]
---*/
function testcase() {
try {
Object.defineProperty(Object.prototype, "prop", {
value: 1001,
writable: false,
enumerable: false,
configurable: true
});
var verifyEnumerable = false;
for (var p in Math) {
if (p === "prop") {
verifyEnumerable = true;
}
}
return !Math.hasOwnProperty("prop") && !verifyEnumerable;
} finally {
delete Object.prototype.prop;
}
}
runTestCase(testcase);