/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [http://neo4j.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.neo4j.time;

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 java.time.Duration;
import java.util.concurrent.TimeUnit;
import org.apache.commons.lang3.mutable.MutableLong;
import org.junit.jupiter.api.Test;

class StopwatchTest {
    private MutableLong time = new MutableLong();
    private Stopwatch stopwatch = new Stopwatch(time::longValue);

    @Test
    void tick() {
        assertEquals(0, stopwatch.elapsed(TimeUnit.NANOSECONDS));
        time.add(3);
        assertEquals(3, stopwatch.elapsed(TimeUnit.NANOSECONDS));
    }

    @Test
    void testTimeout() {
        Duration timeout = Duration.ofNanos(10);
        assertFalse(stopwatch.hasTimedOut(timeout));
        time.add(5);
        assertFalse(stopwatch.hasTimedOut(timeout));
        time.add(5);
        assertTrue(stopwatch.hasTimedOut(timeout));
    }
}
