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 java.net.InetAddress; 25 import java.util.Arrays; 26 27 import org.testng.Assert; 28 import org.testng.annotations.Test; 29 30 import static impl.FaultyResolverProviderGetImpl.EXCEPTION_MESSAGE; 31 32 /* 33 * @test 34 * @summary Test that InetAddress fast-fails if custom provider fails to 35 * instantiate a resolver. 36 * @library providers/faulty 37 * @build faulty.provider/impl.FaultyResolverProviderGetImpl 38 * @run testng/othervm ProviderGetExceptionTest 39 */ 40 41 public class ProviderGetExceptionTest { 42 43 @Test 44 public void getByNameExceptionTest() { 45 String hostName = "test.host"; 46 System.out.println("Looking up address for the following host name:" + hostName); 47 callInetAddressAndCheckException(() -> InetAddress.getByName(hostName)); 48 } 49 50 @Test 51 public void getByAddressExceptionTest() { 52 byte[] address = new byte[]{1, 2, 3, 4}; 53 System.out.println("Looking up host name for the following address:" + Arrays.toString(address)); 54 callInetAddressAndCheckException(() -> InetAddress.getByAddress(address).getHostName()); 55 } 56 57 private void callInetAddressAndCheckException(Assert.ThrowingRunnable apiCall) { 58 IllegalArgumentException iae = Assert.expectThrows(IllegalArgumentException.class, apiCall); 59 System.out.println("Got exception of expected type:" + iae); 60 Assert.assertNull(iae.getCause(), "cause is not null"); 61 Assert.assertEquals(iae.getMessage(), EXCEPTION_MESSAGE); 62 } 63 }