jdk/test/java/net/InetAddress/CachedUnknownHostName.java
author michaelm
Tue, 06 Mar 2012 20:34:38 +0000
changeset 12047 320a714614e9
parent 5506 202f599c92aa
permissions -rw-r--r--
7113349: Initial changeset for Macosx port to jdk Reviewed-by: jjh, alanb, dholmes, anthony, ohrstrom, ksrini, jrose, weijun, smarks Contributed-by: Alan Bateman <alan.bateman@oracle.com>, Alexander Potochkin <alexander.potochkin@oracle.com>, Alexander Zuev <alexander.zuev@oracle.com>, Andrew Brygin <andrew.brygin@oracle.com>, Artem Ananiev <artem.ananiev@oracle.com>, Alex Strange <astrange@apple.com>, Bino George <bino@apple.com>, Christine Lu <christine.lu@oracle.com>, David Katleman <david.katleman@oracle.com>, David Durrence <david_durrence@apple.com>, Dmitry Cherepanov <dmitry.cherepanov@oracle.com>, Greg Lewis <glewis@eyesbeyond.com>, Kevin Miller <kevin_m_miller@apple.com>, Kurt Miller <kurt@intricatesoftware.com>, Landon Fuller <landonf@plausiblelabs.com>, Leonid Romanov <leonid.romanov@oracle.com>, Loefty Walkowiak <loefty@apple.com>, Mark Reinhold <mark.reinhold@oracle.com>, Naoto Sato <naoto.sato@oracle.com>, Philip Race <philip.race@oracle.com>, Roger Hoover <rhoover@apple.com>, Scott Kovatch <scott.kovatch@oracle.com>, Sergey ByloKhov <sergey.bylokhov@oracle.com>, Mike Swingler <swingler@apple.com>, Tomas Hurka <tomas.hurka@oracle.com>

/*
 * Copyright (c) 1999, 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
 * @author Gary Ellison
 * @bug 4208282
 * @summary java.net.InetAddress.getByName caching unknown host lookups
 */

import java.net.InetAddress;

public class CachedUnknownHostName {
  public static void main(String argv[]) throws Exception {
    String hostname = new String("bogusHostName");

    try {
      InetAddress.getByName(hostname);
      System.err.println("Missing java.net.UnknownHostException for host " +
                         hostname);
      throw new Exception("Missing java.net.UnknownHostException");
    } catch(java.net.UnknownHostException e) {
      // this one is anticipated
      System.out.println("Caught expected exception:" + e);
    }

    try {
      InetAddress.getByName(hostname);
      System.err.println("Missing java.net.UnknownHostException for host " +
                         hostname);
      throw new Exception("Missing java.net.UnknownHostException");
    } catch(java.net.UnknownHostException e) {
      // this is the one that was not firing off.
      System.out.println("Caught expected exception:" + e);
    }

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