ba504fcee8
Reviewed-by: chegar, dfuchs, aph
124 lines
4.6 KiB
Java
124 lines
4.6 KiB
Java
/*
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* Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/* @test
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* @bug 4405354 6594296 8058216
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* @library /test/lib
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* @run main/othervm -Xcheck:jni Test
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* @run main/othervm -Xcheck:jni -Djava.net.preferIPv4Stack=true Test
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* @summary Basic tests for NetworkInterface
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*/
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import java.net.NetworkInterface;
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import java.net.InetAddress;
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import java.util.Enumeration;
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import jdk.test.lib.net.IPSupport;
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public class Test {
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static final boolean isWindows = System.getProperty("os.name").startsWith("Windows");
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public static void main(String args[]) throws Exception {
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IPSupport.throwSkippedExceptionIfNonOperational();
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Enumeration nifs = NetworkInterface.getNetworkInterfaces();
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while (nifs.hasMoreElements()) {
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NetworkInterface ni = (NetworkInterface)nifs.nextElement();
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//JDK-8038276: Should not test on Windows with Teredo Tunneling Pseudo-Interface
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String dName = ni.getDisplayName();
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if (isWindows && dName != null && dName.contains("Teredo"))
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continue;
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String name = ni.getName();
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System.out.println("\n" + name);
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/*
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* Enumeration the IP addresses on this interface
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*/
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Enumeration addrs = ni.getInetAddresses();
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while (addrs.hasMoreElements()) {
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InetAddress addr = (InetAddress)addrs.nextElement();
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System.out.println(addr);
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if (NetworkInterface.getByInetAddress(addr) == null) {
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throw new Exception("getByInetAddress returned null");
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}
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}
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System.out.println("getInetAddresses() test passed.");
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/*
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* Check equals and hashCode contract
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*/
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NetworkInterface ni2 = NetworkInterface.getByName(name);
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if (!ni2.equals(ni)) {
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throw new Exception("getByName returned: " + ni2);
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}
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if (!ni.equals(ni2)) {
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throw new Exception("equals specification broken");
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}
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System.out.println("equals() tests passed.");
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if (ni2.hashCode() != ni.hashCode()) {
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throw new Exception("hashCode contract broken");
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}
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System.out.println("hashCode() test passed.");
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byte[] ba = ni.getHardwareAddress();
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if (ba != null && ba.length == 0) {
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throw new Exception("getHardwareAddress returned 0 length byte array");
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}
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System.out.println("getHardwareAddress() test passed.");
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}
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// misc tests :-
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// getByXXX(null) should throw NPE
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// getByXXX("garbage") should return null
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System.out.println("\nMiscellenous tests: ");
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try {
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NetworkInterface.getByName(null);
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} catch (NullPointerException npe) {
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}
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System.out.println("getByName(null) test passed.");
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try {
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NetworkInterface.getByInetAddress(null);
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} catch (NullPointerException npe) {
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}
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System.out.println("getByInetAddress(null) test passed.");
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if (NetworkInterface.getByName("not-a-valid-name") != null) {
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throw new Exception
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("getByName returned unexpected interface: null expected");
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}
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System.out.println("getByName(<unknown>) test passed.");
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InetAddress ia = InetAddress.getByName("255.255.255.255");
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if (NetworkInterface.getByInetAddress(ia) != null) {
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throw new Exception
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("getByInetAddress returned unexpected interface: null expected");
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}
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System.out.println("getByName(getByInetAddress(<unknown>) test passed.");
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}
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}
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