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1   /*
2    * Copyright (c) 2002-2025 Gargoyle Software Inc.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    * https://www.apache.org/licenses/LICENSE-2.0
8    *
9    * Unless required by applicable law or agreed to in writing, software
10   * distributed under the License is distributed on an "AS IS" BASIS,
11   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12   * See the License for the specific language governing permissions and
13   * limitations under the License.
14   */
15  package org.htmlunit.html;
16  
17  import org.htmlunit.WebDriverTestCase;
18  import org.junit.jupiter.api.Test;
19  import org.openqa.selenium.WebDriver;
20  import org.openqa.selenium.htmlunit.HtmlUnitDriver;
21  import org.w3c.dom.Node;
22  import org.w3c.dom.traversal.NodeFilter;
23  import org.w3c.dom.traversal.NodeIterator;
24  
25  /**
26   * Tests for {@link DomNodeIterator}.
27   *
28   * @author Ahmed Ashour
29   * @author Ronald Brill
30   */
31  public final class DomNodeIteratorTest extends WebDriverTestCase {
32  
33      /**
34       * @throws Exception if the test fails
35       */
36      @Test
37      public void nextNode() throws Exception {
38          final String html = DOCTYPE_HTML
39                  + "<html><head><script>\n"
40                  + "function test() {\n"
41                  + "}\n"
42                  + "</script></head>\n"
43                  + "<body onload='test()'>\n"
44                  + "  <form name='f1'>\n"
45                  + "    <input>\n"
46                  + "    <INPUT>\n"
47                  + "  </form>\n"
48                  + "</body></html>";
49  
50          final WebDriver driver = loadPage2(html);
51          if (driver instanceof HtmlUnitDriver) {
52              final HtmlPage page = (HtmlPage) getEnclosedPage();
53              final NodeIterator iterator = page.createNodeIterator(page.getDocumentElement(), NodeFilter.SHOW_ALL, null,
54                      true);
55              final Node node = iterator.nextNode();
56              assertTrue(node.getClass().getName(), node instanceof HtmlHtml);
57          }
58      }
59  }