/*
 * Copyright (c) 2014, 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.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/**
 * JDK-8047728: (function(x){var o={x:0}; with(o){delete x} return o.x})() evaluates to 0 instead of undefined
 *
 * @test
 * @run
 */

function func(x) {
    var o = {x:0};
    with(o){
       delete x;
    }
    return o.x
}

if (typeof func() != 'undefined') {
    fail("expected undefined from 'func' call");
}

function func2() {
    var x;
    var o = {x:0};
    with(o){
       delete x;
    }
    return o.x
}

if (typeof func2() != 'undefined') {
    fail("expected undefined from 'func2' call");
}
