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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 8135061
27  * @summary Checks that the Locale.lookup executes properly without throwing
28  *          any exception for some specific language ranges
29  * @run main Bug8135061
30  */
31 
32 import java.util.Collection;
33 import java.util.Collections;
34 import java.util.List;
35 import java.util.Locale;
36 import java.util.Locale.LanguageRange;
37 
38 public class Bug8135061 {
39 
main(String[] args)40     public static void main(String[] args) {
41 
42         /* lookup should run without throwing any exception and
43          * return null as the language range does not match with the language
44          * tag
45          */
46         List<LanguageRange> ranges = LanguageRange.parse("nv");
47         Collection<Locale> locales = Collections.singleton(Locale.ENGLISH);
48 
49         try {
50             Locale match = Locale.lookup(ranges, locales);
51             if (match != null) {
52                 throw new RuntimeException("Locale.lookup returned non-null: "
53                         + match);
54             }
55         } catch (Exception ex) {
56             throw new RuntimeException("[Locale.lookup failed on language"
57                     + " range: " + ranges + " and language tags "
58                     + locales + "]", ex);
59         }
60 
61         /* lookup should run without throwing any exception and
62          * return "nv" as the matching tag
63          */
64         ranges = LanguageRange.parse("i-navajo");
65         locales = Collections.singleton(new Locale("nv"));
66 
67         try {
68             Locale match = Locale.lookup(ranges, locales);
69             if (!match.toLanguageTag().equals("nv")) {
70                 throw new RuntimeException("Locale.lookup returned unexpected"
71                         + " result: " + match);
72             }
73         } catch (Exception ex) {
74             throw new RuntimeException("[Locale.lookup failed on language"
75                     + " range: " + ranges + " and language tags "
76                     + locales + "]", ex);
77         }
78 
79     }
80 
81 }
82