code: /*
   * Copyright (c) 2019 the Eclipse Milo Authors
   *
   * This program and the accompanying materials are made
   * available under the terms of the Eclipse Public License 2.0
   * which is available at https://www.eclipse.org/legal/epl-2.0/
   *
   * SPDX-License-Identifier: EPL-2.0
   */
  
  package org.eclipse.milo.opcua.sdk.server.util;
  
  import java.util.Set;
  
  import org.testng.annotations.Test;
  
  import static org.testng.Assert.assertNotEquals;
  
  public class HostnameUtilTest {
  
      @Test
      public void testGetHostnames_ExcludeLocal() throws Exception {
          Set<String> hostnames = HostnameUtil.getHostnames("0.0.0.0", false);
  
          hostnames.forEach(hostname -> {
              assertNotEquals(hostname, "127.0.0.1");
              assertNotEquals(hostname, "localhost");
              System.out.println(hostname);
          });
      }
  
  }