1 /*
 2  * Copyright (c) 2021, 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 import org.testng.Assert;
25 import org.testng.annotations.Test;
26 
27 import java.net.InetAddress;
28 import java.net.UnknownHostException;
29 import java.util.Arrays;
30 
31 /*
32  * @test
33  * @summary checks that InetAddress forward lookup API throw UnknownHostException
34  *   when resolver returns empty address stream.
35  * @library providers/empty
36  * @build empty.results.provider/impl.EmptyResultsProviderImpl
37  * @run testng/othervm EmptyResultsStreamTest
38  */
39 public class EmptyResultsStreamTest {
40 
41     @Test(expectedExceptions = UnknownHostException.class)
42     public void getAllByNameTest() throws UnknownHostException {
43         System.err.println("getAllByName unexpectedly completed: " +
44                 Arrays.deepToString(InetAddress.getAllByName("test1.org")));
45     }
46 
47     @Test(expectedExceptions = UnknownHostException.class)
48     public void getByNameTest() throws UnknownHostException {
49         System.err.println("getByName unexpectedly completed: " +
50                 InetAddress.getByName("test2.org"));
51     }
52 }