@Test
lic void testGetPointAt() {

    Path2D.Double path = new Path2D.Double();
    path.moveTo(10, 10);
    path.lineTo(20, 10);
    path.lineTo(20, 20);
    Double pointAt = ShapeHelper.getPointAt(path, 30);
    System.out.println ("PT: " + pointAt.getX() + ";" + pointAt.getY());
    assertEquals(pointAt.getX(), 20.0, 0.00001);
    assertEquals(pointAt.getY(), 30.0, 0.00001);
    path = new Path2D.Double();
}