planetiler/core/src/test/java/com/onthegomap/flatmap/monitoring/TimerTest.java

27 wiersze
811 B
Java

package com.onthegomap.flatmap.monitoring;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
import org.junit.jupiter.api.Test;
public class TimerTest {
@Test
public void testTimer() {
Timer timer = new Timer().start();
ProcessTime elapsed1 = timer.elapsed();
ProcessTime elapsed2 = timer.stop().elapsed();
ProcessTime elapsed3 = timer.elapsed();
assertEquals(elapsed2.wall(), elapsed3.wall());
assertLessThan(elapsed1.wall(), elapsed2.wall());
assertFalse(elapsed3.cpu().isEmpty(), "no CPU time");
}
private <T extends Comparable<T>> void assertLessThan(T a, T b) {
assertTrue(a.compareTo(b) < 0, a + " is not less than " + b);
}
}