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 * Tests for setup done in {@link org.htmlunit.corejs.javascript.NativeGlobal}.
23 *
24 * @author Marc Guillemot
25 * @author Frank Danek
26 * @author Ronald Brill
27 */
28 public class NativeGlobalTest extends WebDriverTestCase {
29
30 /**
31 * Test assignment of constants.
32 * @throws Exception if the test fails
33 */
34 @Test
35 @Alerts({"undefined", "NaN", "Infinity"})
36 public void assignConst() throws Exception {
37 final String html = DOCTYPE_HTML
38 + "<html><body><script>\n"
39 + LOG_TITLE_FUNCTION
40 + "undefined = 123;\n"
41 + "log(undefined);\n"
42 + "NaN = 123;\n"
43 + "log(NaN);\n"
44 + "Infinity = 123;\n"
45 + "log(Infinity);\n"
46 + "</script></body></html>";
47
48 loadPageVerifyTitle2(html);
49 }
50
51 /**
52 * Test for re-declaration of constants.
53 * @throws Exception if the test fails
54 */
55 @Test
56 @Alerts({"true", "undefined", "NaN", "Infinity"})
57 public void redeclareConst() throws Exception {
58 final String html = DOCTYPE_HTML
59 + "<html><body><script>\n"
60 + LOG_TITLE_FUNCTION
61 + "var undefined;\n"
62 + "var NaN;\n"
63 + "var Infinity;\n"
64 + "log(window.foo == undefined);\n"
65 + "undefined = 123;\n"
66 + "log(undefined);\n"
67 + "log(NaN);\n"
68 + "log(Infinity);\n"
69 + "</script></body></html>";
70
71 loadPageVerifyTitle2(html);
72 }
73 }