test/script/basic/JDK-8034055.js

/*
 * Copyright (c) 2010, 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-8034055: delete on global object not properly guarded
 *
 * @test
 * @run
 */


var global = this;
var x;

function test(defineGlobals) {
    if (defineGlobals) {
        global.x = 1;
        global.y = 2;
    }
    try {
        print(x);
        print(y);
    } catch (e) {
        print(e);
    } finally {
        print(delete global.x);
        print(delete global.y);
    }
}

// Repeatedly set and delete global variables
test(true);
test(false);
test(true);
test(false);