1 /*
 2  * Copyright (c) 2002, 2023, Oracle and/or its affiliates. All rights reserved.
 3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 4  *
 5  * This code is free software; you can redistribute it and/or modify it
 6  * under the terms of the GNU General Public License version 2 only, as
 7  * published by the Free Software Foundation.
 8  *
 9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
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17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
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22  */
23 
24 /*
25  * @test
26  * @bug 4766302
27  * @summary Make sure that calling computeTime doesn't reset the isTimeSet value.
28  * @run junit Bug4766302
29  */
30 
31 import java.util.GregorianCalendar;
32 
33 import org.junit.jupiter.api.Test;
34 
35 import static org.junit.jupiter.api.Assertions.assertTrue;
36 
37 public class Bug4766302 {
38 
39     // Extend GregorianCalendar to check the protected value of isTimeSet
40     @SuppressWarnings("serial")
41     static class MyCalendar extends GregorianCalendar {
42         boolean isTimeStillSet() {
43             return isTimeSet;
44         }
45 
46         protected void computeTime() {
47             super.computeTime();
48         }
49     }
50 
51     // Check the value of isTimeStillSet() after calling computeTime()
52     @Test
53     public void validateIsTimeSetTest() {
54         MyCalendar cal = new MyCalendar();
55         cal.computeTime();
56         assertTrue(cal.isTimeStillSet(), "computeTime() call reset isTimeSet.");
57     }
58 }