@Test
public void testRotate_IAtom_Point3d_Point3d_double() {

    Atom atom1 = new Atom("C");
    atom1.setPoint3d(new Point3d(1, 1, 0));
    GeometryTools.rotate(atom1, new Point3d(2, 0, 0), new Point3d(2, 2, 0), 90);
    assertEquals(new Point3d(2.0, 1.0, 1.0), atom1.getPoint3d(), 0.2);
}