1 /*
 2  * Copyright (c) 2001, 2023, Oracle and/or its affiliates. All rights reserved.
 3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 8  *
 9  * This code is distributed in the hope that it will be useful, but WITHOUT
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11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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23 
24 /*
25  * @test
26  * @bug 4302966 8176841
27  * @modules jdk.localedata
28  * @summary In Czech Republic first day of week is Monday not Sunday
29  * @run junit Bug4302966
30  */
31 
32 import java.util.Calendar;
33 import java.util.Locale;
34 
35 import org.junit.jupiter.api.Test;
36 
37 import static org.junit.jupiter.api.Assertions.assertEquals;
38 
39 public class Bug4302966 {
40 
41     // Specific day of week test for Czech locale
42     public void czechDayOfWeekTest() {
43         Calendar czechCalendar = Calendar.getInstance(Locale.of("cs", "CZ"));
44         int firstDayOfWeek = czechCalendar.getFirstDayOfWeek();
45         assertEquals(firstDayOfWeek, Calendar.MONDAY);
46     }
47 }