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25 
26 package jdk.jfr.api.recording.options;
27 
28 import java.time.Duration;
29 import java.time.Instant;
30 
31 import jdk.jfr.Recording;
32 import jdk.jfr.RecordingState;
33 import jdk.test.lib.Asserts;
34 import jdk.test.lib.jfr.CommonHelper;
35 
36 /**
37  * @test
38  * @summary Test setDuration(). Verify recording is stopped automatically.
39  * @key jfr
40  * @requires vm.hasJFR
41  * @library /test/lib
42  * @run main/othervm jdk.jfr.api.recording.options.TestDuration
43  */
44 public class TestDuration {
45 
main(String[] args)46     public static void main(String[] args) throws Throwable {
47         final Duration duration = Duration.ofSeconds(1);
48         Recording r = new Recording();
49         r.setDuration(duration);
50         Asserts.assertEquals(duration, r.getDuration(), "Wrong get/set duration");
51 
52         r.start();
53         Instant afterStart = Instant.now();
54         CommonHelper.waitForRecordingState(r, RecordingState.STOPPED);
55 
56         Instant afterStop = Instant.now();
57         Asserts.assertLessThanOrEqual(r.getStopTime(), afterStop, "getStopTime() > afterStop");
58         long durationMillis = Duration.between(afterStart, r.getStopTime()).toMillis();
59 
60         // Performance of test servers varies too much to make a strict check of actual duration.
61         // We only check that recording stops before timeout of 20 seconds.
62         System.out.printf("Recording stopped after %d ms, expected above 1000 ms%n", durationMillis);
63         r.close();
64     }
65 
66 }
67