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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
 * 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
 * @bug 8208279
 * @summary Tests that when we remove environment properties from a child
 *          context, its changes do not affect the environment properties of
 *          the parent context.
 * @library ../lib/
 * @modules java.base/sun.security.util
 * @run main SubcontextRemove
 */

import javax.naming.Context;
import javax.naming.NamingException;
import javax.naming.directory.InitialDirContext;
import java.util.Hashtable;

public class SubcontextRemove extends EnvTestBase {

    public static void main(String[] args) throws Exception {
        new SubcontextRemove().run(args);
    }

    /*
     * Tests that when we remove environment properties from a child
     * context, its changes do not affect the environment properties of
     * the parent context.
     */
    @Override public void runTest() throws Exception {
        initContext();

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

        // some.irrelevant.property been set in initContext(), should not be null
        Object val = child.removeFromEnvironment("some.irrelevant.property");

        if (!"somevalue".equals(val)) {
            throw new RuntimeException(
                    "Failed: unexpected return value for removeFromEnvironment: "
                            + val);
        }

        Hashtable<?,?> envParent = context().getEnvironment();
        Hashtable<?,?> envChild = child.getEnvironment();

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

        verifyEnvProperty(envParent, "com.sun.jndi.dns.recursion", "false");
        verifyEnvProperty(envParent, "some.irrelevant.property", "somevalue");
        verifyEnvProperty(envChild, "com.sun.jndi.dns.recursion", "false");
        verifyEnvProperty(envChild, "some.irrelevant.property", null);
    }

    private void initContext() throws NamingException {
        env().put("com.sun.jndi.dns.recursion", "false");
        env().put("some.irrelevant.property", "somevalue");
        setContext(new InitialDirContext(env()));
    }
}