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23 /*
24  * @test
25  * @bug 6807534
26  * @summary check whether the default implementation of
27  *    CurrencNameProvider.getDisplayName(String, Locale) throws appropriate
28  *    exceptions when necessary.
29  */
30 
31 import java.util.Locale;
32 import java.util.spi.CurrencyNameProvider;
33 
34 public class Bug6807534 {
35 
36     static final CurrencyNameProvider cnp = new CurrencyNameProviderImpl();
37 
main(String[] args)38     public static void main(String[] args) throws Exception {
39         // test for NullPointerException (currencyCode)
40         try {
41             cnp.getDisplayName(null, Locale.US);
42             throwException("NPE was not thrown with null currencyCode");
43         } catch (NullPointerException npe) {}
44 
45         // test for NullPointerException (locale)
46         try {
47             cnp.getDisplayName("USD", null);
48             throwException("NPE was not thrown with null locale");
49         } catch (NullPointerException npe) {}
50 
51         // test for IllegalArgumentException (illegal currencyCode)
52         try {
53             cnp.getDisplayName("INVALID", Locale.US);
54             throwException("IllegalArgumentException was not thrown with invalid currency code");
55         } catch (IllegalArgumentException iae) {}
56         try {
57             cnp.getDisplayName("inv", Locale.US);
58             throwException("IllegalArgumentException was not thrown with invalid currency code");
59         } catch (IllegalArgumentException iae) {}
60 
61         // test for IllegalArgumentException (non-supported locale)
62         try {
63             cnp.getDisplayName("USD", Locale.JAPAN);
64             throwException("IllegalArgumentException was not thrown with non-supported locale");
65         } catch (IllegalArgumentException iae) {}
66     }
67 
throwException(String msg)68     static void throwException(String msg) {
69         throw new RuntimeException("test failed. "+msg);
70     }
71 
72     static class CurrencyNameProviderImpl extends CurrencyNameProvider {
73         // dummy implementation
getSymbol(String currencyCode, Locale locale)74         public String getSymbol(String currencyCode, Locale locale) {
75             return "";
76         }
77 
getAvailableLocales()78         public Locale[] getAvailableLocales() {
79             Locale[] avail = new Locale[1];
80             avail[0] = Locale.US;
81             return avail;
82         }
83     }
84 }
85