1 /*

     2  * Copyright 2003 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  */

    23 

    24 /**

    25  * @test

    26  * @bug 4963416

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

    28  * @author Andreas Sterbenz

    29  */

    30 

    31 import java.util.*;

    32 

    33 import java.security.*;

    34 

    35 public class RemoveProviders {

    36 

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

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

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

    40 

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

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

    43             Provider p = providers[i];

    44             String name = p.getName();

    45             Security.removeProvider(name);

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

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

    48             }

    49             Security.addProvider(p);

    50         }

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

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

    53         }

    54 

    55         // remove non-existing provider

    56         Security.removeProvider("foo");

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

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

    59         }

    60 

    61         // remove from the middle of the list

    62         Security.removeProvider("SunJCE");

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

    64             throw new Exception("not removed");

    65         }

    66 

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

    68     }

    69 

    70 }