import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;

public class SimpleTest {

    private static Scheduler scheduler;

    @BeforeClass public static void init() {
        scheduler = new IntervalScheduler();
    }

    @Test
    public void test1() {
        List<Job> jobs = Arrays.asList(
            new Job(0, 6),
            new Job(1, 4),
            new Job(3, 5),
            new Job(3, 8),
            new Job(4, 7),
            new Job(5, 9),
            new Job(6, 10),
            new Job(8, 11)
        );

        Set<Job> antw = scheduler.select(Collections.unmodifiableList(jobs));

        Set<Job> opl = new HashSet<>();
        opl.add(jobs.get(1));
        opl.add(jobs.get(4));
        opl.add(jobs.get(7));

        Assert.assertEquals(opl,antw);
    }

    @Test
    public void test2() {
        List<Job> jobs = Arrays.asList(
            new Job(3, 4),
            new Job(6, 7),
            new Job(10, 11),
            new Job(2, 12),
            new Job(8, 9)
        );

        Set<Job> antw = scheduler.select(Collections.unmodifiableList(jobs));

        Set<Job> opl = new HashSet<>();
        opl.add(jobs.get(0));
        opl.add(jobs.get(1));
        opl.add(jobs.get(2));
        opl.add(jobs.get(4));

        Assert.assertEquals(opl,antw);
    }

    @Test
    public void test3() {
        List<Job> jobs = Arrays.asList(
            new Job(1, 8),
            new Job(10, 15),
            new Job(7, 11)
        );

        Set<Job> antw = scheduler.select(Collections.unmodifiableList(jobs));

        Set<Job> opl = new HashSet<>();
        opl.add(jobs.get(0));
        opl.add(jobs.get(1));

        Assert.assertEquals(opl,antw);
    }

    @Test
    public void test4() {
        List<Job> jobs = Arrays.asList(
            new Job(0, 4),
            new Job(6, 10),
            new Job(12, 16),
            new Job(18, 22),
            new Job(3, 7),
            new Job(9, 13),
            new Job(15, 19),
            new Job(3, 7),
            new Job(3, 7),
            new Job(15, 19),
            new Job(15, 19)
        );

        Set<Job> antw = scheduler.select(Collections.unmodifiableList(jobs));

        Set<Job> opl = new HashSet<>();
        opl.add(jobs.get(0));
        opl.add(jobs.get(1));
        opl.add(jobs.get(2));
        opl.add(jobs.get(3));

        Assert.assertEquals(opl,antw);
    }

}