code: // Licensed to the Software Freedom Conservancy (SFC) under one
  // or more contributor license agreements.  See the NOTICE file
  // distributed with this work for additional information
  // regarding copyright ownership.  The SFC licenses this file
  // to you 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 org.openqa.selenium.net;
  
  import static org.assertj.core.api.Assertions.assertThat;
  
  import org.junit.jupiter.api.Tag;
  import org.junit.jupiter.api.Test;
  
  @Tag("UnitTests")
  class NetworkUtilsTest {
  
    @Test
    void testGetPrivateLocalAddress() {
      NetworkUtils networkUtils =
          new NetworkUtils(StubNetworkInterfaceProvider.getUbuntu1010SingleNICAndWlan());
      assertThat(networkUtils.obtainLoopbackIp4Address()).isEqualTo("127.0.0.3");
      assertThat(networkUtils.getNonLoopbackAddressOfThisMachine()).isEqualTo("169.254.8.180");
    }
  
    @Test
    void testPrivateLocalAddress() {
      NetworkUtils networkUtils =
          new NetworkUtils(StubNetworkInterfaceProvider.getWindowsXpWithIp4Only());
      assertThat(networkUtils.obtainLoopbackIp4Address()).isEqualTo("localXhost");
      assertThat(networkUtils.getNonLoopbackAddressOfThisMachine()).isEqualTo("169.254.8.182");
    }
  
    @Test
    void testRHELBox() {
      NetworkUtils networkUtils = new NetworkUtils(StubNetworkInterfaceProvider.getRHEL5Box());
      assertThat(networkUtils.obtainLoopbackIp4Address()).isEqualTo("localhost.localdomain");
      assertThat(networkUtils.getNonLoopbackAddressOfThisMachine()).isEqualTo("157.120.190.200");
    }
  
    @Test
    void testSolarisBox() {
      NetworkUtils networkUtils = new NetworkUtils(StubNetworkInterfaceProvider.getSolarisBox());
      assertThat(networkUtils.obtainLoopbackIp4Address()).isEqualTo("localhost");
      assertThat(networkUtils.getNonLoopbackAddressOfThisMachine()).isEqualTo("10.100.8.99");
    }
  
    @Test
    void testUbuntu9X() {
      NetworkUtils networkUtils =
          new NetworkUtils(StubNetworkInterfaceProvider.getUbuntu09XSingleNIC());
      assertThat(networkUtils.obtainLoopbackIp4Address()).isEqualTo("127.0.0.1");
      assertThat(networkUtils.getNonLoopbackAddressOfThisMachine()).isEqualTo("157.120.171.97");
    }
  
    @Test
    void testOsXSnowLeopard() {
      NetworkUtils networkUtils =
          new NetworkUtils(StubNetworkInterfaceProvider.getOsXWiredAndWireless());
      assertThat(networkUtils.obtainLoopbackIp4Address()).isEqualTo("127.0.0.1");
      assertThat(networkUtils.getNonLoopbackAddressOfThisMachine()).isEqualTo("192.168.4.1");
    }
  
    @Test
    void testFreeBsd() {
      NetworkUtils networkUtils = new NetworkUtils(StubNetworkInterfaceProvider.getFreeBsd());
      assertThat(networkUtils.obtainLoopbackIp4Address()).isEqualTo("localhost.apache.org");
      assertThat(networkUtils.getNonLoopbackAddressOfThisMachine()).isEqualTo("192.168.0.4");
    }
  
    @Test
    void testVistaBox() {
      NetworkUtils networkUtils = new NetworkUtils(StubNetworkInterfaceProvider.getVistaBox());
      assertThat(networkUtils.obtainLoopbackIp4Address()).isEqualTo("127.0.0.1");
      assertThat(networkUtils.getNonLoopbackAddressOfThisMachine()).isEqualTo("10.0.0.108");
    }
  
    @Test
    void testWindows7Box() {
      NetworkUtils networkUtils = new NetworkUtils(StubNetworkInterfaceProvider.getWindows7Box());
      assertThat(networkUtils.obtainLoopbackIp4Address()).isEqualTo("127.0.0.1");
      assertThat(networkUtils.getNonLoopbackAddressOfThisMachine()).isEqualTo("192.168.1.102");
    }
  
    @Test
    void testOpenSuseBoxIssue1181() {
      NetworkUtils networkUtils =
          new NetworkUtils(StubNetworkInterfaceProvider.getOpenSuseBoxFromIssue1181());
      assertThat(networkUtils.obtainLoopbackIp4Address()).isEqualTo("localhost.localdomain");
    }
  }
  