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/**********************************************************************
*
* PostGIS - Spatial Types for PostgreSQL
* http://postgis.net
*
* Copyright 2014 Kashif Rasul <kashif.rasul@gmail.com> and
* Shoaib Burq <saburq@gmail.com>
*
* This is free software; you can redistribute and/or modify it under
* the terms of the GNU General Public Licence. See the COPYING file.
*
**********************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "CUnit/Basic.h"
#include "liblwgeom_internal.h"
#include "cu_tester.h"
static void
do_encoded_polyline_test(char* in, int precision, char* out)
{
LWGEOM *g = lwgeom_from_wkt(in, LW_PARSER_CHECK_NONE);
lwvarlena_t *v = lwgeom_to_encoded_polyline(g, precision);
ASSERT_VARLENA_EQUAL(v, out);
lwgeom_free(g);
lwfree(v);
}
static void
out_encoded_polyline_test_geoms(void)
{
/* Magic Linestring */
do_encoded_polyline_test(
"SRID=4326;LINESTRING(33.6729 38.7071,33.6692 38.701,"
"33.6673 38.6972,33.6626 38.6871)",
5,
"k~fkFsvolEbe@bVvVzJb~@j\\");
/* Linestring */
do_encoded_polyline_test(
"LINESTRING(-120.2 38.5,-120.95 40.7,-126.453 43.252)",
5,
"_p~iF~ps|U_ulLnnqC_mqNvxq`@");
do_encoded_polyline_test("LINESTRING EMPTY", 5, "");
/* MultiPoint */
do_encoded_polyline_test(
"MULTIPOINT(-120.2 38.5,-120.95 40.7)", 5, "_p~iF~ps|U_ulLnnqC");
do_encoded_polyline_test("MULTIPOINT EMPTY", 5, "");
}
static void
out_encoded_polyline_test_srid(void)
{
/* SRID - with PointArray */
do_encoded_polyline_test(
"SRID=4326;LINESTRING(0 1,2 3)", 5, "_ibE?_seK_seK");
/* wrong SRID */
do_encoded_polyline_test(
"SRID=4327;LINESTRING(0 1,2 3)", 5, "_ibE?_seK_seK");
}
static void
out_encoded_polyline_test_precision(void)
{
/* Linestring */
do_encoded_polyline_test(
"LINESTRING(-0.250691 49.283048, -0.250633 49.283376,"
"-0.250502 49.283972, -0.251245 49.284028, -0.251938 "
"49.284232, -0.251938 49.2842)",
6,
"o}~~|AdshNoSsBgd@eGoBlm@wKhj@~@?");
/* MultiPoint */
do_encoded_polyline_test(
"MULTIPOINT(-120.2 38.5,-120.95 40.7)", 3, "gejAnwiFohCzm@");
}
/*
** Used by test harness to register the tests in this file.
*/
void out_encoded_polyline_suite_setup(void);
void
out_encoded_polyline_suite_setup(void)
{
CU_pSuite suite = CU_add_suite("encoded_polyline_output", NULL, NULL);
PG_ADD_TEST(suite, out_encoded_polyline_test_geoms);
PG_ADD_TEST(suite, out_encoded_polyline_test_srid);
PG_ADD_TEST(suite, out_encoded_polyline_test_precision);
}
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