jdk/test/java/security/Security/NoInstalledProviders.java
author lana
Wed, 22 Jun 2011 23:23:58 -0700
changeset 10068 5be904b6a4cc
parent 10057 03ae05289550
parent 9857 72ca0f308ce0
permissions -rw-r--r--
Merge
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/*
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 * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/*
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 * @test
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 * @bug 4273454 7054918 7052537
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 * @library ../testlibrary
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 * @summary Make sure getProviders(filter) doesn't throw NPE
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 * @run main/othervm NoInstalledProviders
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 */
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import java.security.*;
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public class NoInstalledProviders {
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    public static void main(String[] args) throws Exception {
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        ProvidersSnapshot snapshot = ProvidersSnapshot.create();
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        try {
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            main0(args);
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        } finally {
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            snapshot.restore();
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        }
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    }
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    public static void main0(String[] args) throws Exception {
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        Provider[] provs = Security.getProviders();
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        // make sure there are no providers in the system
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        for(int i = 0; i < provs.length; i++ ) {
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            Security.removeProvider( provs[i].getName());
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        }
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        String filter = "Signature.SHA1withDSA";
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        provs = Security.getProviders(filter);
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    }
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}