1   /*
2    * Copyright (c) 2003, 2005, Oracle and/or its affiliates. All rights reserved.
3    * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4    *
5    * This code is free software; you can redistribute it and/or modify it
6    * under the terms of the GNU General Public License version 2 only, as
7    * published by the Free Software Foundation.
8    *
9    * This code is distributed in the hope that it will be useful, but WITHOUT
10   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11   * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12   * version 2 for more details (a copy is included in the LICENSE file that
13   * accompanied this code).
14   *
15   * You should have received a copy of the GNU General Public License version
16   * 2 along with this work; if not, write to the Free Software Foundation,
17   * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18   *
19   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20   * or visit www.oracle.com if you need additional information or have any
21   * questions.
22   */
23  
24  /**
25   * @test
26   * @bug 4866927
27   * @summary InetAddress.getByName behaves differently on windows
28   */
29  import java.net.*;
30  
31  public class IPv4Formats {
32      public static void main(String[] args) {
33          InetAddress ad1, ad2;
34          String adds[][] = {
35              {"0", "0.0.0.0"},
36              {"126.1", "126.0.0.1"},
37              {"128.50.65534", "128.50.255.254"},
38              {"192.168.1.2", "192.168.1.2"},
39              {"hello.foo.bar", null},
40              {"1024.1.2.3", null},
41              {"128.14.66000", null }
42          };
43          for (int i = 0; i < adds.length; i++) {
44              if (adds[i][1] != null) {
45                  try {
46                      ad1 = InetAddress.getByName(adds[i][0]);
47                      ad2 = InetAddress.getByName(adds[i][1]);
48                  } catch (UnknownHostException ue) {
49                      throw new RuntimeException("Wrong conversion: " + adds[i][0] + " should be " + adds[i][1] + " But throws " + ue);
50                  }
51                  if (! ad1.equals(ad2))
52                      throw new RuntimeException("Wrong conversion: " + adds[i][0] + " should be " + adds[i][1] + " But is " + ad1);
53              } else {
54                  try {
55                      ad1 = InetAddress.getByName(adds[i][0]);
56                      // should throw an UnknownHostException
57                      throw new RuntimeException(adds[i][0] + " should throw UnknownHostException!");
58                  } catch (UnknownHostException e) {
59                      // This is what we expect!
60                  }
61              }
62          }
63      }
64  }