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25 package jdk.jfr.api.event;
26 
27 import java.time.Duration;
28 import java.util.List;
29 
30 import jdk.jfr.Recording;
31 import jdk.jfr.consumer.RecordedEvent;
32 import jdk.test.lib.jfr.Events;
33 import jdk.test.lib.jfr.SimpleEvent;
34 
35 /**
36  * @test
37  * @summary Test for RecordedEvent.getDuration()
38  * @key jfr
39  * @requires vm.hasJFR
40  * @library /test/lib
41  * @run main/othervm jdk.jfr.api.event.TestBeginEnd
42  */
43 public class TestBeginEnd {
44 
main(String[] args)45     public static void main(String[] args) throws Exception {
46 
47         Recording r = new Recording();
48         r.enable(SimpleEvent.class);
49         r.start();
50 
51         // Test enabled - single commit
52         SimpleEvent e1 = new SimpleEvent();
53         e1.id = 1; // should be included
54         e1.commit();
55 
56         // Test enabled - begin - commit
57         SimpleEvent e2 = new SimpleEvent();
58         e2.begin();
59         e2.id = 2; // should be included
60         e2.commit();
61 
62         // Test enabled - begin - end - commit
63         SimpleEvent e3 = new SimpleEvent();
64         e3.begin();
65         e3.id = 3; // should be included
66         e3.end();
67         e3.commit();
68 
69         // Test enabled - end - commit
70         SimpleEvent e4 = new SimpleEvent();
71         e4.id = 4; // should be included
72         e4.end();
73         e4.commit();
74 
75         // Test half enabled - begin - commit
76         r.disable(SimpleEvent.class);
77         SimpleEvent e5 = new SimpleEvent();
78         e5.begin();
79         r.enable(SimpleEvent.class);
80         e5.id = 5; // should be included
81         e5.commit();
82 
83         // Test half enabled - begin - end - commit
84         r.disable(SimpleEvent.class);
85         SimpleEvent r6 = new SimpleEvent();
86         r6.begin();
87         r.enable(SimpleEvent.class);
88         r6.id = 6; // should be included
89         r6.end();
90         r6.commit();
91 
92         // Test half enabled - begin - commit with high threshold
93         r.disable(SimpleEvent.class);
94         SimpleEvent r7 = new SimpleEvent();
95         r7.begin();
96         r.enable(SimpleEvent.class).withThreshold(Duration.ofDays(1));
97         r7.id = 7; // should not be included
98         r7.commit();
99         r.stop();
100 
101         List<RecordedEvent> recordedEvents = Events.fromRecording(r);
102         for (RecordedEvent re : recordedEvents) {
103            Integer id =  re.getValue("id");
104            System.out.println("Found if " + id);
105            if (id < 1 || id > 6) {
106                throw new Exception("Unexpected id found " + id);
107            }
108         }
109         if (recordedEvents.size() != 6) {
110             throw new Exception("Expected 6 events");
111         }
112     }
113 
114 }
115