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3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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23 
24 /*
25  * @test
26  * @bug 8141243
27  * @summary Make sure that SimpleDateFormat parses "UTC" as the UTC time zone.
28  * @run main Bug8141243
29  * @run main/othervm -Djava.locale.providers=COMPAT Bug8141243
30  */
31 
32 import java.text.DateFormat;
33 import java.text.ParseException;
34 import java.text.SimpleDateFormat;
35 import java.util.ArrayList;
36 import java.util.Date;
37 import java.util.List;
38 import java.util.Locale;
39 import java.util.TimeZone;
40 import static java.util.TimeZone.*;
41 
42 public class Bug8141243 {
main(String[] args)43     public static void main(String[] args) {
44         TimeZone UTC = TimeZone.getTimeZone("UTC");
45         TimeZone initTz = TimeZone.getDefault();
46 
47         List<String> errors = new ArrayList<>();
48         try {
49             TimeZone.setDefault(TimeZone.getTimeZone("America/Los_Angeles"));
50             for (Locale locale : DateFormat.getAvailableLocales()) {
51                 // exclude any locales which localize "UTC".
52                 String utc = UTC.getDisplayName(false, SHORT, locale);
53                 if (!"UTC".equals(utc)) {
54                     System.out.println("Skipping " + locale + " due to localized UTC name: " + utc);
55                     continue;
56                 }
57                 SimpleDateFormat fmt = new SimpleDateFormat("z", locale);
58                 try {
59                     Date date = fmt.parse("UTC");
60                     // Parsed one may not exactly be UTC. Universal, UCT, etc. are equivalents.
61                     if (!fmt.getTimeZone().getID().matches("(Etc/)?(UTC|Universal|UCT|Zulu)")) {
62                         errors.add("timezone: " + fmt.getTimeZone().getID()
63                                    + ", locale: " + locale);
64                     }
65                 } catch (ParseException e) {
66                     errors.add("parse exception: " + e + ", locale: " + locale);
67                 }
68             }
69         } finally {
70             // Restore the default time zone
71             TimeZone.setDefault(initTz);
72         }
73 
74         if (!errors.isEmpty()) {
75             System.out.println("Got unexpected results:");
76             for (String s : errors) {
77                 System.out.println("    " + s);
78             }
79             throw new RuntimeException("Test failed.");
80         } else {
81             System.out.println("Test passed.");
82         }
83     }
84 }
85