1 /*

     2  * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 /*

    25  * @test

    26  * @bug 8214583

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

    28  */

    29 import java.security.AccessControlContext;

    30 import java.security.AccessController;

    31 import java.security.DomainCombiner;

    32 import java.security.ProtectionDomain;

    33 import java.security.PrivilegedActionException;

    34 import java.security.PrivilegedExceptionAction;

    35 import java.net.URL;

    36 import java.util.Collections;

    37 import java.util.HashSet;

    38 import java.util.Set;

    39 

    40 public class DoPriv {

    41 

    42     static void go(final DomainCombiner dc0, final AccessControlContext co, final int index) throws Exception {

    43         final AccessControlContext ci = new AccessControlContext(co, dc0);

    44         AccessController.doPrivileged((PrivilegedExceptionAction<Integer>)() -> {

    45             AccessControlContext c1 = AccessController.getContext();

    46             DomainCombiner dc = c1.getDomainCombiner();

    47             if (dc != dc0 || dc == null) {

    48                 throw new AssertionError("iteration " + index + " " + dc + " != " + dc0);

    49             }

    50             return 0;

    51         }, ci);

    52     }

    53 

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

    55         final DomainCombiner dc0 = new DomainCombiner() {

    56             public ProtectionDomain[] combine(ProtectionDomain[] currentDomains,

    57                                             ProtectionDomain[] assignedDomains) {

    58                 return null;

    59             }

    60         };

    61 

    62         final AccessControlContext co = AccessController.getContext();

    63 

    64         for (int i = 0; i < 500_000; ++i) {

    65             go(dc0, co, i);

    66         }

    67     }

    68 }