/**
* The MIT License
* Copyright (c) 2014 JMXTrans Team
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package org.jmxtrans.utils.time;
import org.testng.annotations.Test;
import static org.assertj.core.api.Assertions.assertThat;
public class SystemClockTest {
private SystemClock clock = new SystemClock();
@Test
public void currentTimeIsCorrect() {
long now = System.currentTimeMillis();
long delta = 100;
assertThat(clock.currentTimeMillis()).isBetween(now - delta, now + delta);
}
@Test
public void nanoTimeIsCorrect() {
long now = System.nanoTime();
long delta = 10000;
assertThat(clock.nanoTime()).isBetween(now - delta, now + delta);
}
}