test/script/basic/NASHORN-488.js

/*
 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
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 */

/**
 * NASHORN-488 : Function.prototype does not have 'prototype' property
 *
 * @test
 * @run
 */

var desc = Object.getOwnPropertyDescriptor(Function.prototype, "prototype");
if (desc !== undefined) {
    fail("Function.prototype has 'prototype'");
}

Object.defineProperty(Function.prototype, "prototype", {
    set: undefined, get: function() { return 32; },
    configurable: true
});

if (Function.prototype.prototype != 32) {
    fail("Function.prototype.prototype != 32");
}

if (! (delete Function.prototype.prototype)) {
    fail("can't delete Function.prototype.prototype");
}