/*

 * Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.

 * 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.

 *

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

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

 * questions.

 */

/*

 * @test

 * @bug 8208279

 * @summary Tests that when we remove environment properties from a context,

 *          its changes are reflected in the environment properties of any

 *          child context derived from the context.

 * @library ../lib/

 * @modules java.base/sun.security.util

 * @run main RemoveInherited

 */

import javax.naming.Context;

import javax.naming.NamingException;

import javax.naming.directory.InitialDirContext;

import java.util.Hashtable;

public class RemoveInherited extends EnvTestBase {

    private static final String IRRELEVANT_PROPERTY_NAME = "some.irrelevant.property";

    private static final String IRRELEVANT_PROPERTY_VALUE = "somevalue";

    private static final String DNS_RECURSION_PROPERTY_NAME = "com.sun.jndi.dns.recursion";

    private static final String DNS_RECURSION_PROPERTY_VALUE = "false";

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

        new RemoveInherited().run(args);

    }

    /*

     * Tests that when we remove environment properties from a context,

     * its changes are reflected in the environment properties of any

     * child context derived from the context.

     */

    @Override public void runTest() throws Exception {

        initContext();

        // some.irrelevant.property been set in initContext(), should not be null

        Object val = context().removeFromEnvironment(IRRELEVANT_PROPERTY_NAME);

        if (!IRRELEVANT_PROPERTY_VALUE.equals(val)) {

            throw new RuntimeException(

                    "Failed: unexpected return value for removeFromEnvironment: "

                            + val);

        }

        Context child = (Context) context().lookup(getKey());

        Hashtable envParent = context().getEnvironment();

        Hashtable envChild = child.getEnvironment();

        DNSTestUtils.debug(child);

        DNSTestUtils.debug("Parent env: " + envParent);

        DNSTestUtils.debug("Child env: " + envChild);

        verifyEnvProperty(envParent, DNS_RECURSION_PROPERTY_NAME,

                DNS_RECURSION_PROPERTY_VALUE);

        verifyEnvProperty(envParent, IRRELEVANT_PROPERTY_NAME, null);

        verifyEnvProperty(envChild, DNS_RECURSION_PROPERTY_NAME,

                DNS_RECURSION_PROPERTY_VALUE);

        verifyEnvProperty(envChild, IRRELEVANT_PROPERTY_NAME, null);

    }

    private void initContext() throws NamingException {

        env().put(DNS_RECURSION_PROPERTY_NAME, DNS_RECURSION_PROPERTY_VALUE);

        env().put(IRRELEVANT_PROPERTY_NAME, IRRELEVANT_PROPERTY_VALUE);

        setContext(new InitialDirContext(env()));

    }

}