test/built-ins/Object/prototype/hasOwnProperty/8.12.1-1_7.js


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// Copyright (c) 2012 Ecma International.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
es5id: 8.12.1-1_7
description: >
    Properties - [[HasOwnProperty]] (writable, non-configurable,
    non-enumerable own value property)
---*/

    var o = {};
    Object.defineProperty(o, "foo", {value: 42, writable:true});

assert(o.hasOwnProperty("foo"), 'o.hasOwnProperty("foo") !== true');