1 /*

     2  * Copyright (c) 2003, 2011, 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.

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    23 

    24 /**

    25  * @test

    26  * @bug 4963416 7054918

    27  * @library ../../testlibrary

    28  * @summary make sure removeProvider() always works correctly

    29  * @author Andreas Sterbenz

    30  */

    31 

    32 import java.util.*;

    33 

    34 import java.security.*;

    35 

    36 public class RemoveProviders {

    37 

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

    39         ProvidersSnapshot snapshot = ProvidersSnapshot.create();

    40         try {

    41             main0(args);

    42         } finally {

    43             snapshot.restore();

    44         }

    45     }

    46 

    47     public static void main0(String[] args) throws Exception {

    48         Provider[] providers = Security.getProviders();

    49         System.out.println("Providers: " + Arrays.asList(providers));

    50 

    51         // remove each provider and add it back in at the end of the list

    52         for (int i = 0; i < providers.length; i++) {

    53             Provider p = providers[i];

    54             String name = p.getName();

    55             Security.removeProvider(name);

    56             if (Security.getProvider(name) != null) {

    57                 throw new Exception("Provider not removed: " + name);

    58             }

    59             Security.addProvider(p);

    60         }

    61         if (Arrays.equals(providers, Security.getProviders()) == false) {

    62             throw new Exception("Provider mismatch: " + Arrays.asList(Security.getProviders()));

    63         }

    64 

    65         // remove non-existing provider

    66         Security.removeProvider("foo");

    67         if (Arrays.equals(providers, Security.getProviders()) == false) {

    68             throw new Exception("Provider mismatch: " + Arrays.asList(Security.getProviders()));

    69         }

    70 

    71         // remove from the middle of the list

    72         Security.removeProvider("SunJCE");

    73         if (Security.getProvider("SunJCE") != null) {

    74             throw new Exception("not removed");

    75         }

    76 

    77         System.out.println("Done.");

    78     }

    79 

    80 }