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23 
24 /**
25  * @test
26  * @bug 8154009
27  * @summary make sure getProviders() doesn't require additional permissions
28  * @run main/othervm/policy=EmptyPolicy.policy GetProviders
29  */
30 
31 import java.security.Provider;
32 import java.security.Security;
33 import java.util.HashMap;
34 import java.util.Map;
35 
36 public class GetProviders {
37 
38     private static final String serviceAlgFilter = "Signature.SHA1withRSA";
39     private static final String emptyServAlgFilter = "wrongSig.wrongAlg";
40 
main(String[] args)41     public static void main(String[] args) throws Exception {
42         try {
43             Provider[] providers1 = Security.getProviders();
44             System.out.println("Amount of providers1: " + providers1.length);
45 
46             Provider[] providers2 = Security.getProviders(serviceAlgFilter);
47             System.out.println("Amount of providers2: " + providers2.length);
48 
49             Map<String, String> filter = new HashMap<String, String>();
50             filter.put(serviceAlgFilter, "");
51             Provider[] providers3 = Security.getProviders(filter);
52             System.out.println("Amount of providers3: " + providers3.length);
53 
54             Provider[] emptyProv1 = Security.getProviders(emptyServAlgFilter);
55             if (emptyProv1 != null) {
56                 throw new RuntimeException("Empty Filter returned: " +
57                     emptyProv1.length + " providers");
58             }
59             System.out.println("emptyProv1 is empty as expected");
60 
61             Map<String, String> emptyFilter = new HashMap<String, String>();
62             emptyFilter.put(emptyServAlgFilter, "");
63             Provider[] emptyProv2 = Security.getProviders(emptyFilter);
64             if (emptyProv2 != null) {
65                 throw new RuntimeException("Empty Filter returned: " +
66                     emptyProv2.length + " providers");
67             }
68             System.out.println("emptyProv2 is empty as expected");
69 
70         } catch(ExceptionInInitializerError e) {
71             e.printStackTrace(System.out);
72             throw new RuntimeException("Provider initialization error due to "
73                     + e.getCause());
74         }
75         System.out.println("Test passed");
76     }
77 
78 }
79