am 37da3f0d: am 7bd28de5: Merge "Remove some crufty "core" tests."

/*

 * 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);

    }

}