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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.javascript;
16  
17  import org.htmlunit.WebDriverTestCase;
18  import org.htmlunit.junit.annotation.Alerts;
19  import org.junit.jupiter.api.Test;
20  
21  /**
22   * Native JavaScript object Map.
23   *
24   * @author Ronald Brill
25   */
26  public class NativeMapTest extends WebDriverTestCase {
27  
28      /**
29       * See https://github.com/HtmlUnit/htmlunit-core-js/issues/4.
30       * @throws Exception if the test fails
31       */
32      @Test
33      @Alerts({"key type string", "value type object"})
34      public void entries() throws Exception {
35          final String html = DOCTYPE_HTML
36              + "<html>\n"
37              + "<head>\n"
38              + "  <script>\n"
39              + LOG_TITLE_FUNCTION
40              + "    var m = new Map();\n"
41              + "    m.set('key', null);\n"
42              + "    for (var entry of m.entries()) {\r\n"
43              + "      log('key type ' + typeof(entry[0]));\n"
44              + "      log('value type ' + typeof(entry[1]));\n"
45              + "    }\n"
46              + "  </script>\n"
47              + "</head>\n"
48              + "<body>\n"
49              + "</body>\n"
50              + "</html>";
51  
52          loadPageVerifyTitle2(html);
53      }
54  }