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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.BrowserRunner;
19  import org.htmlunit.junit.annotation.Alerts;
20  import org.junit.Test;
21  import org.junit.runner.RunWith;
22  import org.openqa.selenium.By;
23  import org.openqa.selenium.WebDriver;
24  import org.openqa.selenium.htmlunit.HtmlUnitDriver;
25  
26  /**
27   * Tests for {@link HtmlHead}.
28   *
29   * @author Marc Guillemot
30   * @author Ahmed Ashour
31   * @author Frank Danek
32   * @author Ronald Brill
33   */
34  @RunWith(BrowserRunner.class)
35  public class HtmlHeadTest extends WebDriverTestCase {
36  
37      /**
38       * IE and FF both add a head element when it's not present in the HTML code.
39       * @throws Exception if the test fails
40       */
41      @Test
42      @Alerts("HEAD")
43      public void addedWhenMissing() throws Exception {
44          final String htmlContent =
45              "<html><body>\n"
46              + "<script>\n"
47              + LOG_TITLE_FUNCTION
48              + "  log(document.firstChild.firstChild.tagName);\n"
49              + "</script>\n"
50              + "</body></html>";
51  
52          loadPageVerifyTitle2(htmlContent);
53      }
54  
55      /**
56       * @throws Exception if the test fails
57       */
58      @Test
59      @Alerts("[object HTMLHeadElement]")
60      public void simpleScriptable() throws Exception {
61          final String html = DOCTYPE_HTML
62              + "<html><head id='myId'><script>\n"
63              + LOG_TITLE_FUNCTION
64              + "  function test() {\n"
65              + "    log(document.getElementById('myId'));\n"
66              + "  }\n"
67              + "</script>\n"
68              + "</head><body onload='test()'>\n"
69              + "</body></html>";
70  
71          final WebDriver driver = loadPageVerifyTitle2(html);
72          if (driver instanceof HtmlUnitDriver) {
73              final HtmlElement element = toHtmlElement(driver.findElement(By.id("myId")));
74              assertTrue(element instanceof HtmlHead);
75          }
76      }
77  }