/* ======================================================
 * JFreeChart : a chart library for the Java(tm) platform
 * ======================================================
 *
 * (C) Copyright 2000-present, by David Gilbert and Contributors.
 *
 * Project Info:  https://www.jfree.org/jfreechart/index.html
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This library 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 Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
 * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
 * Other names may be trademarks of their respective owners.]
 *
 * --------------------
 * TaskSeriesTests.java
 * --------------------
 * (C) Copyright 2004-present, by David Gilbert.
 *
 * Original Author:  David Gilbert;
 * Contributor(s):   -;
 */

package org.jfree.data.gantt;

import java.util.Date;

import org.jfree.chart.TestUtils;
import org.jfree.chart.internal.CloneUtils;
import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.*;

/**
 * Tests for the {@link TaskSeries} class.
 */
public class TaskSeriesTest {

    /**
     * Confirm that the equals method can distinguish all the required fields.
     */
    @Test
    public void testEquals() {
        TaskSeries<String> s1 = new TaskSeries<>("S");
        s1.add(new Task("T1", new Date(1), new Date(2)));
        s1.add(new Task("T2", new Date(11), new Date(22)));
        TaskSeries<String> s2 = new TaskSeries<>("S");
        s2.add(new Task("T1", new Date(1), new Date(2)));
        s2.add(new Task("T2", new Date(11), new Date(22)));
        assertEquals(s1, s2);
        assertEquals(s2, s1);

        s1.add(new Task("T3", new Date(22), new Date(33)));
        assertNotEquals(s1, s2);
        s2.add(new Task("T3", new Date(22), new Date(33)));
        assertEquals(s1, s2);
    }

    /**
     * Confirm that cloning works.
     */
    @Test
    public void testCloning() throws CloneNotSupportedException {
        TaskSeries<String> s1 = new TaskSeries<>("S");
        s1.add(new Task("T1", new Date(1), new Date(2)));
        s1.add(new Task("T2", new Date(11), new Date(22)));
        TaskSeries<String> s2 = CloneUtils.clone(s1);
        assertNotSame(s1, s2);
        assertSame(s1.getClass(), s2.getClass());
        assertEquals(s1, s2);

        // basic check for independence
        s1.add(new Task("T3", new Date(22), new Date(33)));
        assertNotEquals(s1, s2);
        s2.add(new Task("T3", new Date(22), new Date(33)));
        assertEquals(s1, s2);
    }

    /**
     * Serialize an instance, restore it, and check for equality.
     */
    @Test
    public void testSerialization() {
        TaskSeries<String> s1 = new TaskSeries<>("S");
        s1.add(new Task("T1", new Date(1), new Date(2)));
        s1.add(new Task("T2", new Date(11), new Date(22)));
        TaskSeries<String> s2 = TestUtils.serialised(s1);
        assertEquals(s1, s2);
    }

    /**
     * Some checks for the getTask() method.
     */
    @Test
    public void testGetTask() {
        TaskSeries<String> s1 = new TaskSeries<>("S");
        s1.add(new Task("T1", new Date(1), new Date(2)));
        s1.add(new Task("T2", new Date(11), new Date(22)));
        Task t1 = s1.get("T1");
        assertEquals(t1, new Task("T1", new Date(1), new Date(2)));
        Task t2 = s1.get("T2");
        assertEquals(t2, new Task("T2", new Date(11), new Date(22)));
        Task t3 = s1.get("T3");
        assertNull(t3);
    }

}