@Test
public void testDistanceBetweenTwoPoints() throws
                                           Exception {

    // given two Points
    final double distance = distanceTo(createPoint(gf,
                                                   47.225782d,
                                                   -1.554476d),
                                       createPoint(gf,
                                                   47.226468d,
                                                   -1.554996d));
    // then the computed distance should be roughly equals to 90m
    assertEquals(90d,
                 distance,
                 1d);
}