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 java.net.URI;
  import org.junit.jupiter.api.Test;
  
  class UrlsTest {
  
    @Test
    void shouldCreateUrlFromProperlyFormedUrl() {
      URI uri = Urls.from("http://localhost:4444");
  
      assertThat(uri).isEqualTo(URI.create("http://localhost:4444"));
    }
  
    @Test
    void shouldAssumeAPlainStringIsAHostName() {
      URI uri = Urls.from("localhost");
  
      assertThat(uri).isEqualTo(URI.create("http://localhost"));
    }
  
    @Test
    void shouldHandleShortFormIp6AddressWithScheme() {
      URI uri = Urls.from("https://2001:db8::1:0:0:1");
  
      assertThat(uri).isEqualTo(URI.create("https://2001:db8::1:0:0:1"));
    }
  
    @Test
    void shouldHandleAShortFormIp6Address() {
      URI uri = Urls.from("2001:db8::1:0:0:1");
  
      assertThat(uri).isEqualTo(URI.create("http://[2001:db8::1:0:0:1]"));
    }
  
    @Test
    void shouldHandleTheIp6LoopbackAddress() {
      URI uri = Urls.from("::1");
  
      assertThat(uri).isEqualTo(URI.create("http://[::1]"));
    }
  
    @Test
    void shouldHandleTheUnspecifiedIp6Address() {
      URI uri = Urls.from("::");
  
      assertThat(uri).isEqualTo(URI.create("http://[::]"));
    }
  
    @Test
    void shouldHandleIpv6LoopbackAddressWithPath() {
      URI uri = Urls.from("::1/wd/hub");
  
      assertThat(uri).isEqualTo(URI.create("http://[::1]/wd/hub"));
    }
  }
  