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/*
 * 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.
 *
 * 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.
 */

/**
 * NASHORN-256 : should be able to delete global builtin objects like JSON, Math etc.
 *
 * @test
 * @run
 */

function deleteAndCheck(name) {
    if (! (delete this[name])) {
        fail("cannot delete " + name);
    } else {
        if (typeof this[name] !== 'undefined') {
            fail(name + " is not undefined after delete!");
        }
    }
}

deleteAndCheck("Object");
deleteAndCheck("Function");
deleteAndCheck("Array");
deleteAndCheck("Boolean");
deleteAndCheck("Date");
deleteAndCheck("JSON");
deleteAndCheck("JSAdapter");
deleteAndCheck("Math");
deleteAndCheck("Number");
deleteAndCheck("RegExp");
deleteAndCheck("String");
deleteAndCheck("Error");
deleteAndCheck("Error");
deleteAndCheck("RangeError");
deleteAndCheck("ReferenceError");
deleteAndCheck("SyntaxError");
deleteAndCheck("TypeError");
deleteAndCheck("URIError");

function deleteFailCheck(name) {
    if (delete this[name]) {
        fail("can delete " + name);
    } else {
        if (typeof this[name] === 'undefined') {
            fail(name + " was deleted!");
        }
    }
}

deleteFailCheck("NaN");
deleteFailCheck("Infinity");
if (delete undefined) {
    fail("can delete 'undefined'");
}