assertThrows(NullPointerException.class, () -> j.join(entriesWithNulls.iterator()));

    assertEquals("a:00;00:b", j.useForNull("00").join(entriesWithNulls));
    assertEquals("a:00;00:b", j.useForNull("00").join(entriesWithNulls.iterator()));

    StringBuilder sb1 = new StringBuilder();
    j.appendTo(sb1, ImmutableMultimap.of(1, 2, 3, 4, 5, 6, 1, 3, 5, 10).entries());

        // Simulate groupName = false, nodeType = 0
        src[srcIndex] = (byte) 0x00;
        src[srcIndex + 1] = (byte) 0x00;

        // Simulate address = 0.0.0.0
        src[srcIndex + 2] = (byte) 0x00;
        src[srcIndex + 3] = (byte) 0x00;
        src[srcIndex + 4] = (byte) 0x00;
        src[srcIndex + 5] = (byte) 0x00;

        // Set 'addrEntry' and 'addrIndex' fields in superclass

    if (c <= '\u001f' || c >= '\u007f') {
      return true
    }
    // Check for the characters mentioned in the WHATWG Host parsing spec:
    // U+0000, U+0009, U+000A, U+000D, U+0020, "#", "%", "/", ":", "?", "@", "[", "\", and "]"
    // (excluding the characters covered above).
    if (" #%/:?@[\\]".indexOf(c) != -1) {
      return true
    }
  }
  return false
}

        File lmhostsFile = tempDir.resolve("lmhosts_ip_components").toFile();
        try (FileWriter writer = new FileWriter(lmhostsFile)) {
            writer.write("0.0.0.0 HOST1\n");
            writer.write("127.0.0.1 HOST2\n");
            writer.write("192.168.255.255 HOST3\n");
            writer.write("10.20.30.40 HOST4\n");
        }

    -->
    <mirror>
      <id>maven-default-http-blocker</id>
      <mirrorOf>external:http:*</mirrorOf>
      <name>Pseudo repository to mirror external repositories initially using HTTP.</name>
      <url>http://0.0.0.0/</url>
      <blocked>true</blocked>
    </mirror>
  </mirrors>

  <!-- repositories
   | Specifies the list of default remote repositories that maven will search artifacts for.
  -->
  <repositories>

        assertEquals(4, dst[0]);

        // Should end with 0x00
        assertEquals(0x00, dst[length - 1]);

        // Length should be scope length + 2
        assertEquals(name.scope.length() + 2, length);
    }

    @Test
    void readScopeWireFormat_withNullScope_shouldReturnOne() {
        byte[] src = new byte[10];
        src[0] = 0x00;

        Name name = new Name(mockConfig);

    assertThat(iia.subArray(1, 5).indexOf(1)).isEqualTo(0);
  }

  public void testIndexOf_specialValues() {
    ImmutableDoubleArray iia =
        ImmutableDoubleArray.of(-0.0, 0.0, Double.MAX_VALUE, Double.POSITIVE_INFINITY, Double.NaN);
    assertThat(iia.indexOf(-0.0)).isEqualTo(0);
    assertThat(iia.indexOf(0.0)).isEqualTo(1);
    assertThat(iia.indexOf(Double.MAX_VALUE)).isEqualTo(2);

    assertThat(iia.subArray(1, 5).indexOf(1)).isEqualTo(0);
  }

  public void testIndexOf_specialValues() {
    ImmutableDoubleArray iia =
        ImmutableDoubleArray.of(-0.0, 0.0, Double.MAX_VALUE, Double.POSITIVE_INFINITY, Double.NaN);
    assertThat(iia.indexOf(-0.0)).isEqualTo(0);
    assertThat(iia.indexOf(0.0)).isEqualTo(1);
    assertThat(iia.indexOf(Double.MAX_VALUE)).isEqualTo(2);

    assert200Http2Response(execute(url), server.hostName)
    val sanUrl = url.newBuilder().host("san.com").build()
    dns["san.com"] =
      Arrays.asList(
        InetAddress.getByAddress("san.com", byteArrayOf(0, 0, 0, 0)),
        serverIps[0],
      )
    assert200Http2Response(execute(sanUrl), "san.com")
    assertThat(client.connectionPool.connectionCount()).isEqualTo(1)
    assertThat(connectCount.get()).isEqualTo(1)
  }

 */
public class NameServiceClientImpl implements Runnable, NameServiceClient {

    private static final int NAME_SERVICE_UDP_PORT = 137;

    static final byte[] UNKNOWN_MAC_ADDRESS = { (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00 };

    private static final Logger log = LoggerFactory.getLogger(NameServiceClientImpl.class);

    private final Object LOCK = new Object();

    private int nbnsIndex = 0;