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25 
26 package jdk.jfr.api.metadata.eventtype;
27 
28 import java.util.List;
29 
30 import jdk.jfr.Category;
31 import jdk.jfr.Event;
32 import jdk.jfr.EventType;
33 import jdk.test.lib.Asserts;
34 
35 /**
36  * @test
37  * @summary Test setName().
38  * @key jfr
39  * @requires vm.hasJFR
40  * @library /test/lib
41  * @run main/othervm jdk.jfr.api.metadata.eventtype.TestGetCategory
42  */
43 public class TestGetCategory {
44 
main(String[] args)45     public static void main(String[] args) throws Throwable {
46 
47         List<String> noCategory = EventType.getEventType(NoCategory.class).getCategoryNames();
48         System.out.println("noCategory=" + noCategory);
49         Asserts.assertEquals(noCategory.size(), 1, "Wrong default category");
50         Asserts.assertEquals(noCategory.get(0), "Uncategorized", "Wrong default category");
51 
52         List<String>  withCategory = EventType.getEventType(WithCategory.class).getCategoryNames();
53         Asserts.assertEquals(withCategory.size(), 4, "Wrong category");
54         Asserts.assertEquals(withCategory.get(0), "Category", "Wrong category");
55         Asserts.assertEquals(withCategory.get(1), "A", "Wrong category");
56         Asserts.assertEquals(withCategory.get(2), "B", "Wrong category");
57         Asserts.assertEquals(withCategory.get(3), "C", "Wrong category");
58     }
59 
60     private static class NoCategory extends Event {
61         @SuppressWarnings("unused")
62         public byte myByte;
63     }
64 
65     @Category({"Category", "A", "B", "C"})
66     private static class WithCategory extends Event {
67         @SuppressWarnings("unused")
68             public byte myByte;
69     }
70 }
71