/*

 * Copyright (c) 2018, 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.

 */

/*

 * @test

 * @bug 8214583

 * @summary Check that getSubject works after JIT compiler escape analysis.

 */

import java.security.AccessControlContext;

import java.security.AccessController;

import java.security.PrivilegedAction;

import java.security.PrivilegedExceptionAction;

import java.util.Arrays;

import java.util.Collections;

import java.util.HashSet;

import java.util.Set;

import javax.security.auth.Subject;

public class DoAs {

    public static void main(String[] args) throws Exception {

        final Set<String> outer = new HashSet<>(Arrays.asList("Outer"));

        final Subject subject = new Subject(true, Collections.EMPTY_SET, outer, Collections.EMPTY_SET);

        for (int i = 0; i < 100_000; ++i) {

            final int index = i;

            Subject.doAs(subject, (PrivilegedExceptionAction<Integer>)() -> {

                AccessControlContext c1 = AccessController.getContext();

                Subject s = Subject.getSubject(c1);

                if (s != subject) {

                    throw new AssertionError("outer Oops! " + "iteration " + index + " " + s + " != " + subject);

                }

                return 0;

            });

        }

    }

}