/*
    * Copyright (c) 2002-2025 Gargoyle Software Inc.
    *
    * Licensed 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
    * https://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.htmlunit.javascript.host;
  
  import org.htmlunit.History;
  import org.htmlunit.TopLevelWindow;
  import org.htmlunit.WebClient;
  import org.htmlunit.WebServerTestCase;
  import org.htmlunit.html.HtmlPage;
  import org.htmlunit.junit.BrowserRunner;
  import org.junit.Before;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  
  /**
   * Tests for {@link History}.
   *
   * @author Daniel Gredler
   */
  @RunWith(BrowserRunner.class)
  public class HistoryTest extends WebServerTestCase {
  
      /**
       * Starts the web server prior to test execution.
       * @throws Exception if an error occurs
       */
      @Before
      public void setUp() throws Exception {
          startWebServer("src/test/resources/org/htmlunit/javascript/host");
      }
  
      /**
       * @throws Exception if an error occurs
       */
      @Test
      public void backAndForward() throws Exception {
          final WebClient client = getWebClient();
          final TopLevelWindow window = (TopLevelWindow) client.getCurrentWindow();
          final History history = window.getHistory();
  
          final String urlA = URL_FIRST + "HistoryTest_a.html";
          final String urlB = URL_FIRST + "HistoryTest_b.html";
          final String urlBX = URL_FIRST + "HistoryTest_b.html#x";
          final String urlC = URL_FIRST + "HistoryTest_c.html";
  
          HtmlPage page = client.getPage(urlA);
          assertEquals(1, history.getLength());
          assertEquals(0, history.getIndex());
          assertEquals(urlA, page.getUrl());
  
          page = page.getAnchorByName("b").click();
          assertEquals(2, history.getLength());
          assertEquals(1, history.getIndex());
          assertEquals(urlB, page.getUrl());
  
          page = page.getAnchorByName("x").click();
          assertEquals(3, history.getLength());
          assertEquals(2, history.getIndex());
          assertEquals(urlBX, page.getUrl());
  
          page = page.getAnchorByName("back").click();
          assertEquals(3, history.getLength());
          assertEquals(1, history.getIndex());
          assertEquals(urlB, page.getUrl());
  
          page = page.getAnchorByName("back").click();
          assertEquals(3, history.getLength());
          assertEquals(0, history.getIndex());
          assertEquals(urlA, page.getUrl());
  
          page = page.getAnchorByName("forward").click();
          assertEquals(3, history.getLength());
          assertEquals(1, history.getIndex());
          assertEquals(urlB, page.getUrl());
  
          page = page.getAnchorByName("c").click();
          assertEquals(3, history.getLength());
          assertEquals(2, history.getIndex());
          assertEquals(urlC, page.getUrl());
  
          page = page.getAnchorByName("back").click();
          assertEquals(3, history.getLength());
          assertEquals(1, history.getIndex());
          assertEquals(urlB, page.getUrl());
  
          page = page.getAnchorByName("forward").click();
          assertEquals(3, history.getLength());
         assertEquals(2, history.getIndex());
         assertEquals(urlC, page.getUrl());
     }
 
     /**
      * @throws Exception if an error occurs
      */
     @Test
     public void go() throws Exception {
         final WebClient client = getWebClient();
         final TopLevelWindow window = (TopLevelWindow) client.getCurrentWindow();
         final History history = window.getHistory();
 
         final String urlA = URL_FIRST + "HistoryTest_a.html";
         final String urlB = URL_FIRST + "HistoryTest_b.html";
         final String urlBX = URL_FIRST + "HistoryTest_b.html#x";
         final String urlC = URL_FIRST + "HistoryTest_c.html";
 
         HtmlPage page = client.getPage(urlA);
         assertEquals(1, history.getLength());
         assertEquals(0, history.getIndex());
         assertEquals(urlA, page.getUrl());
 
         page = page.getAnchorByName("b").click();
         assertEquals(2, history.getLength());
         assertEquals(1, history.getIndex());
         assertEquals(urlB, page.getUrl());
 
         page = page.getAnchorByName("x").click();
         assertEquals(3, history.getLength());
         assertEquals(2, history.getIndex());
         assertEquals(urlBX, page.getUrl());
 
         page = page.getAnchorByName("minusTwo").click();
         assertEquals(3, history.getLength());
         assertEquals(0, history.getIndex());
         assertEquals(urlA, page.getUrl());
 
         page = page.getAnchorByName("plusOne").click();
         assertEquals(3, history.getLength());
         assertEquals(1, history.getIndex());
         assertEquals(urlB, page.getUrl());
 
         page = page.getAnchorByName("c").click();
         assertEquals(3, history.getLength());
         assertEquals(2, history.getIndex());
         assertEquals(urlC, page.getUrl());
 
         page = page.getAnchorByName("minusOne").click();
         assertEquals(3, history.getLength());
         assertEquals(1, history.getIndex());
         assertEquals(urlB, page.getUrl());
 
         page = page.getAnchorByName("plusTwo").click();
         assertEquals(3, history.getLength());
         assertEquals(1, history.getIndex());
         assertEquals(urlB, page.getUrl());
     }
 }