Segment Test

package Tests;

import azaza.Segment;
import azaza.Vector2D;
import azaza.Vector3D;
import org.junit.Test;
import org.junit.runner.JUnitCore;
import org.junit.runner.Result;

import static org.junit.Assert.assertEquals;

public class SegmentTest {
    public static void main(String[] args) {
        JUnitCore runner = new JUnitCore();
        Result result = runner.run(SegmentTest.class);
        System.out.println("run tests: " + result.getRunCount());
        System.out.println("failed tests: " + result.getFailureCount());
        if (result.getFailureCount() != 0)
            System.out.println("fail: " + result.getFailures());
        System.out.println("ignored tests: " + result.getIgnoreCount());
        System.out.println("success: " + result.wasSuccessful());
    }

    @Test
    public void length() throws Exception {
        Vector2D start2D = new Vector2D(1,1);
        Vector2D end2D = new Vector2D(8,6);
        Segment segment2D = new Segment(start2D, end2D);
        Vector3D start3D = new Vector3D(1,1,1);
        Vector3D end3D = new Vector3D(-3,-6,-7);
        Segment segment3D = new Segment(start3D, end3D);
        assertEquals(Math.sqrt(74), segment2D.length(), 0);
        assertEquals(Math.sqrt(129), segment3D.length(), 0);
    }

    @Test
    public void distanceTo() throws Exception {
        Vector2D start2D = new Vector2D(4,1);
        Vector2D end2D = new Vector2D(1,4);

        Segment segment2D = new Segment(start2D,end2D);

        Vector2D pointA2D = new Vector2D(4,4);//2

        assertEquals(2.1213203435596415, segment2D.distanceTo(pointA2D), 0);

        Vector3D start3D = new Vector3D(1,2,3);
        Vector3D end3D = new Vector3D(-1,4,8);

        Segment segment3D = new Segment(start3D,end3D);
        Vector3D pointA3D = new Vector3D(4,5,9);

        assertEquals(5.169842621131978, segment3D.distanceTo(pointA3D), 0);
    }
}