test/java/net/InetAddress/B4762344.java

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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/**
 * @test
 * @bug 4762344
 * @summary 2nd nameservice provider is non functional
 * @build B4762344 SimpleNameService Simple1NameServiceDescriptor Simple2NameServiceDescriptor
 * @run main/othervm -Dsun.net.spi.nameservice.provider.1=simple1,sun -Dsun.net.spi.nameservice.provider.2=simple2,sun B4762344
 */

import java.net.*;
import java.util.*;


public class B4762344 {
    private static String[][] hostnames = new String[][] {
            // both providers know this host, but with different address
            new String[] {"blade", "10.0.0.1"},
            // provider1 knwos this host
            new String[] {"blade.domain1", "10.0.0.2"},
            // provider2 knows this host
            new String[] {"blade.domain2", "20.0.0.2"}
        };
    private static String[][] hostaddrs = new String[][] {
            new String[] {"10.0.0.1", "blade"},
            new String[] {"10.0.0.2", "blade.domain1"},
            new String[] {"20.0.0.2", "blade.domain2"}
        };

    public static void main(String[] args) throws Exception {
        for (int i = 0; i < hostnames.length; i++) {
            doLookup(hostnames[i][0], hostnames[i][1]);
        }
        for (int i = 0; i < hostaddrs.length; i++) {
            doReverseLookup(hostaddrs[i][0], hostaddrs[i][1]);
        }
    }

    private static void doLookup(String host, String addr) throws Exception {
        String res = InetAddress.getByName(host).getHostAddress();
        if (!res.equals(addr)) {
            throw new RuntimeException("Test failed: wrong address for host " + host);
        }
    }

    private static void doReverseLookup(String addr, String host) throws Exception {
        StringTokenizer tokenizer = new StringTokenizer(addr, ".");
        byte addrs[] = new byte[4];
        for (int i = 0; i < 4; i++) {
            addrs[i] = (byte)Integer.parseInt(tokenizer.nextToken());
        }
        String res = InetAddress.getByAddress(addrs).getHostName();
        if (!res.equals(host)) {
            throw new RuntimeException("Test failed: wrong host name for address " + addr);
        }
    }
}