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/**

 * @test

 * @bug 4762344

 * @summary 2nd nameservice provider is non functional

 * @compile -XDignore.symbol.file=true SimpleNameService.java

 *                                     Simple1NameServiceDescriptor.java

 *                                     Simple2NameServiceDescriptor.java

 * @run main/othervm -Dsun.net.spi.nameservice.provider.1=simple1,sun -Dsun.net.spi.nameservice.provider.2=simple2,sun Providers

 */

import java.net.*;

import java.util.*;

public class Providers {

    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);

        }

    }

}