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.BrowserRunner;
19 import org.htmlunit.junit.annotation.Alerts;
20 import org.junit.Test;
21 import org.junit.runner.RunWith;
22
23 /**
24 * Tests for setup done in {@link org.htmlunit.corejs.javascript.NativeGlobal}.
25 *
26 * @author Marc Guillemot
27 * @author Frank Danek
28 * @author Ronald Brill
29 */
30 @RunWith(BrowserRunner.class)
31 public class NativeGlobalTest extends WebDriverTestCase {
32
33 /**
34 * Test assignment of constants.
35 * @throws Exception if the test fails
36 */
37 @Test
38 @Alerts({"undefined", "NaN", "Infinity"})
39 public void assignConst() throws Exception {
40 final String html = DOCTYPE_HTML
41 + "<html><body><script>\n"
42 + LOG_TITLE_FUNCTION
43 + "undefined = 123;\n"
44 + "log(undefined);\n"
45 + "NaN = 123;\n"
46 + "log(NaN);\n"
47 + "Infinity = 123;\n"
48 + "log(Infinity);\n"
49 + "</script></body></html>";
50
51 loadPageVerifyTitle2(html);
52 }
53
54 /**
55 * Test for re-declaration of constants.
56 * @throws Exception if the test fails
57 */
58 @Test
59 @Alerts({"true", "undefined", "NaN", "Infinity"})
60 public void redeclareConst() throws Exception {
61 final String html = DOCTYPE_HTML
62 + "<html><body><script>\n"
63 + LOG_TITLE_FUNCTION
64 + "var undefined;\n"
65 + "var NaN;\n"
66 + "var Infinity;\n"
67 + "log(window.foo == undefined);\n"
68 + "undefined = 123;\n"
69 + "log(undefined);\n"
70 + "log(NaN);\n"
71 + "log(Infinity);\n"
72 + "</script></body></html>";
73
74 loadPageVerifyTitle2(html);
75 }
76 }