test262/test/built-ins/Object/defineProperty/15.2.3.6-4-421.js

36 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: 15.2.3.6-4-421
description: >
ES5 Attributes - Inherited property whose [[Enumerable]] attribute
is set to false is non-enumerable (Function.prototype.bind)
includes: [runTestCase.js]
---*/
function testcase() {
var foo = function () { };
try {
Object.defineProperty(Function.prototype, "prop", {
value: 1001,
writable: false,
enumerable: false,
configurable: true
});
var obj = foo.bind({});
var verifyEnumerable = false;
for (var p in obj) {
if (p === "prop") {
verifyEnumerable = true;
}
}
return !obj.hasOwnProperty("prop") && !verifyEnumerable;
} finally {
delete Function.prototype.prop;
}
}
runTestCase(testcase);