out_geojson_test_precision()

static void out_geojson_test_precision ( void  )

static

Definition at line 58 of file cu_out_geojson.c.

{
        /* 0 precision, i.e a round */
        do_geojson_test(
            "POINT(1.1111111111111 1.1111111111111)",
            "{\"type\":\"Point\",\"coordinates\":[1,1]}",
            NULL, 0, 0);
 
        /* 3 digits precision */
        do_geojson_test(
            "POINT(1.1111111111111 1.1111111111111)",
            "{\"type\":\"Point\",\"coordinates\":[1.111,1.111]}",
            NULL, 3, 0);
 
        /* 9 digits precision */
        do_geojson_test(
            "POINT(1.2345678901234 1.2345678901234)",
            "{\"type\":\"Point\",\"coordinates\":[1.23456789,1.23456789]}",
            NULL, 9, 0);
 
        /* huge data */
        do_geojson_test(
            "POINT(1E300 -1E300)",
            "{\"type\":\"Point\",\"coordinates\":[1e+300,-1e+300]}",
            NULL, 0, 0);
 
        /* huge precision, see http://trac.osgeo.org/postgis/ticket/2052 */
        do_geojson_test(
            "POINT(1 2)",
            "{\"type\":\"Point\",\"coordinates\":[1,2]}",
            NULL, 100, 0);
 
        /* double precision, see http://trac.osgeo.org/postgis/ticket/2051 */
        do_geojson_test(
            "POINT(59.99 -59.99)",
            "{\"type\":\"Point\",\"coordinates\":[59.99,-59.99]}",
            NULL, 15, 0);
 
        /* small numbers */
  /* NOTE: precision of 300 will be converted to max precision (15)
   *       and being there no significant digit within that range
   *       only zeroes will be returned
   * See http://trac.osgeo.org/postgis/ticket/2051#comment:11
   */
        do_geojson_test("POINT(1E-300 -2E-200)",
                        "{\"type\":\"Point\",\"coordinates\":[0,0]}",
                        NULL,
                        300,
                        0);
}

References do_geojson_test().

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