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23 
24 /**
25  * @test
26  * @bug 6317072
27  * @summary Make sure NPE is thrown with "null" argumemnts in the
28  *    SimpleDateFormat constructors.
29  */
30 
31 import java.util.*;
32 import java.text.*;
33 import java.io.*;
34 
35 public class bug6317072 {
36 
main(String[] args)37     public static void main(String[] args) {
38 
39         try {
40             new SimpleDateFormat("yy", (Locale)null);
41             throw new RuntimeException("should thrown a NullPointerException");
42         } catch (NullPointerException e) {
43         }
44 
45         try {
46             new SimpleDateFormat((String)null, Locale.getDefault());
47             throw new RuntimeException("should thrown a NullPointerException");
48         } catch (NullPointerException e) {
49         }
50 
51         try {
52             new SimpleDateFormat("yy", (DateFormatSymbols)null);
53             throw new RuntimeException("should thrown a NullPointerException");
54         } catch (NullPointerException e) {
55         }
56 
57         try {
58             new SimpleDateFormat((String)null, DateFormatSymbols.getInstance());
59             throw new RuntimeException("should thrown a NullPointerException");
60         } catch (NullPointerException e) {
61         }
62 
63         try {
64             DateFormat.getTimeInstance(DateFormat.FULL, null);
65             throw new RuntimeException("should thrown a NullPointerException");
66         } catch (NullPointerException e) {
67         }
68 
69         try {
70             DateFormat.getDateInstance(DateFormat.FULL, null);
71             throw new RuntimeException("should thrown a NullPointerException");
72         } catch (NullPointerException e) {
73         }
74 
75         try {
76             DateFormat.getDateTimeInstance(DateFormat.FULL, DateFormat.FULL, null);
77             throw new RuntimeException("should thrown a NullPointerException");
78         } catch (NullPointerException e) {
79         }
80     }
81 }
82