@Test
public void testGeodesicLengthForLineString() throws
                                              Exception {

    // when computing the geodesic length of a given LineString
    final double length = getGeodesicLength(createLineString(gf,
                                                             createCoordinate(gf,
                                                                              47.226116d,
                                                                              -1.554169d),
                                                             createCoordinate(gf,
                                                                              47.226126d,
                                                                              -1.554097d),
                                                             createCoordinate(gf,
                                                                              47.225527d,
                                                                              -1.553986d)));
    // then the computed length should be roughly equals to 74m
    assertEquals(74d,
                 length,
                 1d);
}