TimeElapsedTest.java

/*
 * This file is part of Fim - File Integrity Manager
 *
 * Copyright (C) 2017  Etienne Vrignaud
 *
 * Fim 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.
 *
 * Fim 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 Fim.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.fim.util;

import org.junit.Test;

import static org.assertj.core.api.Assertions.assertThat;

public class TimeElapsedTest {
    private boolean startCalled = false;
    private boolean stopCalled = false;

    @Test
    public void canEstimateTheElapsedTime() throws InterruptedException {
        TimeElapsed cut = new MyTimeElapsed();
        assertThat(startCalled).isEqualTo(true);
        startCalled = false;

        Thread.sleep(10);

        assertThat(cut.getDuration()).isGreaterThan(1);
        assertThat(stopCalled).isEqualTo(true);
        assertThat(startCalled).isEqualTo(true);
    }

    private class MyTimeElapsed extends TimeElapsed {
        @Override
        public void start() {
            startCalled = true;
            super.start();
        }

        @Override
        protected void stop() {
            stopCalled = true;
            super.stop();
        }
    }
}