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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.htmlunit.junit.annotation.Alerts;
19  import org.junit.jupiter.api.Test;
20  import org.openqa.selenium.By;
21  import org.openqa.selenium.WebDriver;
22  import org.openqa.selenium.htmlunit.HtmlUnitDriver;
23  
24  /**
25   * Tests for {@link HtmlHead}.
26   *
27   * @author Marc Guillemot
28   * @author Ahmed Ashour
29   * @author Frank Danek
30   * @author Ronald Brill
31   */
32  public class HtmlHeadTest extends WebDriverTestCase {
33  
34      /**
35       * IE and FF both add a head element when it's not present in the HTML code.
36       * @throws Exception if the test fails
37       */
38      @Test
39      @Alerts("HEAD")
40      public void addedWhenMissing() throws Exception {
41          final String htmlContent =
42              "<html><body>\n"
43              + "<script>\n"
44              + LOG_TITLE_FUNCTION
45              + "  log(document.firstChild.firstChild.tagName);\n"
46              + "</script>\n"
47              + "</body></html>";
48  
49          loadPageVerifyTitle2(htmlContent);
50      }
51  
52      /**
53       * @throws Exception if the test fails
54       */
55      @Test
56      @Alerts("[object HTMLHeadElement]")
57      public void simpleScriptable() throws Exception {
58          final String html = DOCTYPE_HTML
59              + "<html><head id='myId'><script>\n"
60              + LOG_TITLE_FUNCTION
61              + "  function test() {\n"
62              + "    log(document.getElementById('myId'));\n"
63              + "  }\n"
64              + "</script>\n"
65              + "</head><body onload='test()'>\n"
66              + "</body></html>";
67  
68          final WebDriver driver = loadPageVerifyTitle2(html);
69          if (driver instanceof HtmlUnitDriver) {
70              final HtmlElement element = toHtmlElement(driver.findElement(By.id("myId")));
71              assertTrue(element instanceof HtmlHead);
72          }
73      }
74  }