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23 
24 /**
25  * @test
26  * @bug 4960776
27  * @summary IvParameterSpec constructors should throw exception
28  *   if the iv parameter is null.
29  * @author Sean Mullan
30  */
31 import javax.crypto.spec.IvParameterSpec;
32 
33 public class NullIV {
34 
main(String[] args)35     public static void main(String[] args) throws Exception {
36 
37         try {
38             IvParameterSpec ivParams = new IvParameterSpec(null);
39             throw new Exception("expected NullPointerException");
40         } catch (NullPointerException npe) {}
41 
42         try {
43             IvParameterSpec ivParams = new IvParameterSpec(null, 0, 0);
44             throw new Exception("expected IllegalArgumentException");
45         } catch (IllegalArgumentException iae) {}
46 
47     }
48 }
49