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package jdk.jfr.api.recording.options;

import java.time.Duration;

import java.time.Instant;

import jdk.jfr.Recording;

import jdk.jfr.RecordingState;

import jdk.test.lib.Asserts;

import jdk.test.lib.jfr.CommonHelper;

/*

 * @test

 * @summary Test setDuration(). Verify recording is stopped automatically.

 * @key jfr

 * @library /test/lib

 * @run main/othervm jdk.jfr.api.recording.options.TestDuration

 */

public class TestDuration {

    public static void main(String[] args) throws Throwable {

        final Duration duration = Duration.ofSeconds(1);

        Recording r = new Recording();

        r.setDuration(duration);

        Asserts.assertEquals(duration, r.getDuration(), "Wrong get/set duration");

        r.start();

        Instant afterStart = Instant.now();

        CommonHelper.waitForRecordingState(r, RecordingState.STOPPED);

        Instant afterStop = Instant.now();

        Asserts.assertLessThanOrEqual(r.getStopTime(), afterStop, "getStopTime() > afterStop");

        long durationMillis = Duration.between(afterStart, r.getStopTime()).toMillis();

        // Performance of test servers varies too much to make a strict check of actual duration.

        // We only check that recording stops before timeout of 20 seconds.

        System.out.printf("Recording stopped after %d ms, expected above 1000 ms%n", durationMillis);

        r.close();

    }

}