| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.core; |
| |
| import junit.framework.TestCase; |
| |
| import java.net.InetAddress; |
| import java.net.UnknownHostException; |
| import java.util.Random; |
| |
| import android.test.suitebuilder.annotation.Suppress; |
| |
| /** |
| * Tests InetAddr class by checking methods to resolve domains to IP addresses |
| * and by checking if the class returns correct addresses for local host address |
| * and host name. |
| */ |
| @Suppress |
| public class InetAddrTest extends TestCase { |
| private static final String[] HOSTS = { |
| "localhost", "www.google.com", "www.slashdot.org", "www.wikipedia.org", |
| "www.paypal.com", "www.cnn.com", "www.yahoo.com", "www.amazon.com", |
| "www.ebay.com", "www.android.com" |
| }; |
| |
| public void testInetAddr() throws Exception { |
| byte[] raw; |
| |
| InetAddress ia = InetAddress.getByName("localhost"); |
| |
| raw = ia.getAddress(); |
| |
| assertEquals(127, raw[0]); |
| assertEquals(0, raw[1]); |
| assertEquals(0, raw[2]); |
| assertEquals(1, raw[3]); |
| |
| ia = InetAddress.getByName("127.0.0.1"); |
| |
| raw = ia.getAddress(); |
| |
| assertEquals(127, raw[0]); |
| assertEquals(0, raw[1]); |
| assertEquals(0, raw[2]); |
| assertEquals(1, raw[3]); |
| |
| ia = InetAddress.getByName(null); |
| |
| try { |
| InetAddress.getByName(".0.0.1"); |
| fail("expected ex"); |
| } catch (UnknownHostException ex) { |
| // expected |
| } |
| |
| try { |
| InetAddress.getByName("thereisagoodchancethisdomaindoesnotexist.weirdtld"); |
| fail("expected ex"); |
| } catch (UnknownHostException ex) { |
| // expected |
| } |
| |
| try { |
| InetAddress.getByName("127.0.0."); |
| fail("expected ex"); |
| } catch (UnknownHostException ex) { |
| // expected |
| } |
| |
| Random random = new Random(); |
| int count = 0; |
| for (int i = 0; i < 100; i++) { |
| int index = random.nextInt(HOSTS.length); |
| try { |
| InetAddress.getByName(HOSTS[index]); |
| count++; |
| try { |
| Thread.sleep(50); |
| } catch (InterruptedException ex) { |
| } |
| } catch (UnknownHostException ex) { |
| } |
| } |
| assertEquals("Not all host lookups succeeded", 100, count); |
| } |
| } |