/*

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 * 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.

 *

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 */

/*

 * @test

 * @author Danny Hendler

 * @author Gary Ellison

 * @bug 4244271

 * @summary New policy sometimes has no effect with no  indication given

 * @run main/othervm/policy=setpolicy.jp TestDynamicPolicy

 */

/*

  The test should be given the following permissions:

  grant codeBase "file:testPath" {

        permission java.security.SecurityPermission "setPolicy";

        permission java.security.SecurityPermission "getPolicy";

  };

 */

import java.io.PrintStream;

import java.io.IOException;

import java.lang.System;

import java.security.Policy;

public class TestDynamicPolicy {

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

        try {

            //

            TestDynamicPolicy jstest = new TestDynamicPolicy();

            jstest.doit();

        } catch(Exception e)  {

            System.out.println("Failed. Unexpected exception:" + e);

            throw e;

        }

        System.out.println("Passed. OKAY");

    }

    private void doit() throws Exception {

        // A security manager must be installed

        SecurityManager sm=System.getSecurityManager();

        if (sm==null)

            throw new

                Exception("Test must be run with a security manager installed");

        // Instantiate and set the new policy

        DynamicPolicy dp = new DynamicPolicy();

        Policy.setPolicy(dp);

        // Verify that policy has been set

        if (dp != Policy.getPolicy())

            throw new Exception("Policy was not set!!");

        // now see this class can access user.name

        String usr = getUserName();

        if (usr != null) {

            System.out.println("Test was able to read user.name prior to refresh!");

            throw new

                Exception("Test was able to read user.name prior to refresh!");

        }

        // Now, make policy allow reading user.name

        dp.refresh();

        // now I should be able to read it

        usr = getUserName();

        if (usr == null) {

            System.out.println("Test was unable to read user.name after refresh!");

            throw new

                Exception("Test was unable to read user.name after refresh!");

        }

        // Now, take away permission to read user.name

        dp.refresh();

        // now I should not be able to read it

        usr = getUserName();

        if (usr != null) {

            System.out.println("Test was able to read user.name following 2nd refresh!");

            throw new

                Exception("Test was able to read user.name following 2nd refresh!");

        }

    }

    private String getUserName() {

        String usr = null;

        try {

            usr = System.getProperty("user.name");

        } catch (Exception e) {

        }

        return usr;

    }

}