1 /* 2 * Copyright (c) 2011, 2013, 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 * @summary <rdar://problem/4571574> [JavaJDK16] JSE60R1DP2: java.net.NetworkInterface.getHardwareAddress returns null 27 * @summary com.apple.junit.java.net 28 */ 29 30 import junit.framework.*; 31 import java.net.NetworkInterface; 32 import java.util.Enumeration; 33 34 public class R4571574GetHardwareAddressTest extends TestCase 35 { 36 public static Test suite() { 37 return new TestSuite(R4571574GetHardwareAddressTest.class); 38 } 39 40 public static void main (String[] args) throws RuntimeException { 41 TestResult tr = junit.textui.TestRunner.run(suite()); 42 if ((tr.errorCount() != 0) || (tr.failureCount() != 0)) { 43 throw new RuntimeException("### FAILED: unexpected JUnit errors or failures."); 44 } 45 } 46 47 /** 48 * Makes sure getHardwareAddress returns us something other than null. 49 */ 50 public void testGetHardwareAddress() throws Exception 51 { 52 boolean foundOne = false; 53 Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces(); 54 if (interfaces != null) { 55 while (!foundOne && interfaces.hasMoreElements()) { 56 NetworkInterface ni = interfaces.nextElement(); 57 if (ni != null) { 58 byte[] macAddressBytes = ni.getHardwareAddress(); 59 if (macAddressBytes != null) { 60 foundOne=true; 61 } 62 } 63 } 64 } 65 assertTrue("Did not get a hardware address", foundOne); 66 } 67 }