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/**********************************************************************
*
* PostGIS - Spatial Types for PostgreSQL
* http://postgis.refractions.net
*
* Copyright (C) 2011 Sandro Santilli <strk@keybit.net>
*
* 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 "CUnit/Basic.h"
#include "cu_tester.h"
#include "liblwgeom.h"
#include "liblwgeom_internal.h"
static void test_lwline_split_by_point_to(void)
{
#if POSTGIS_GEOS_VERSION >= 33
LWLINE *line;
LWPOINT *point;
LWMLINE *coll;
int ret;
/* Because i don't trust that much prior tests... ;) */
cu_error_msg_reset();
coll = lwmline_construct_empty(SRID_UNKNOWN, 0, 0);
CU_ASSERT_EQUAL(coll->ngeoms, 0);
line = lwgeom_as_lwline(lwgeom_from_wkt("LINESTRING(0 0,5 5, 10 0)",
LW_PARSER_CHECK_NONE));
CU_ASSERT(line != NULL);
point = lwgeom_as_lwpoint(lwgeom_from_wkt(
"POINT(0 0)",
LW_PARSER_CHECK_NONE));
ret = lwline_split_by_point_to(line, point, coll);
CU_ASSERT_EQUAL(ret, 1);
CU_ASSERT_EQUAL(coll->ngeoms, 0);
lwpoint_free(point);
point = lwgeom_as_lwpoint(lwgeom_from_wkt(
"POINT(10 0)",
LW_PARSER_CHECK_NONE));
ret = lwline_split_by_point_to(line, point, coll);
CU_ASSERT_EQUAL(ret, 1);
CU_ASSERT_EQUAL(coll->ngeoms, 0);
lwpoint_free(point);
point = lwgeom_as_lwpoint(lwgeom_from_wkt(
"POINT(5 0)",
LW_PARSER_CHECK_NONE));
ret = lwline_split_by_point_to(line, point, coll);
CU_ASSERT_EQUAL(ret, 0);
CU_ASSERT_EQUAL(coll->ngeoms, 0);
lwpoint_free(point);
point = lwgeom_as_lwpoint(lwgeom_from_wkt(
"POINT(5 5)",
LW_PARSER_CHECK_NONE));
ret = lwline_split_by_point_to(line, point, coll);
CU_ASSERT_EQUAL(ret, 2);
CU_ASSERT_EQUAL(coll->ngeoms, 2);
lwpoint_free(point);
point = lwgeom_as_lwpoint(lwgeom_from_wkt(
"POINT(2 2)",
LW_PARSER_CHECK_NONE));
ret = lwline_split_by_point_to(line, point, coll);
CU_ASSERT_EQUAL(ret, 2);
CU_ASSERT_EQUAL(coll->ngeoms, 4);
lwpoint_free(point);
lwcollection_free((LWCOLLECTION*)coll);
lwline_free(line);
#endif /* POSTGIS_GEOS_VERSION >= 33 */
}
static void test_lwgeom_split(void)
{
LWGEOM *geom, *blade, *ret;
char *wkt, *in_wkt;
geom = lwgeom_from_wkt(
"MULTILINESTRING((-5 -2,0 0),(0 0,10 10))",
LW_PARSER_CHECK_NONE);
CU_ASSERT(geom != NULL);
blade = lwgeom_from_wkt(
"POINT(0 0)",
LW_PARSER_CHECK_NONE);
CU_ASSERT(blade != NULL);
ret = lwgeom_split(geom, blade);
CU_ASSERT(ret != NULL);
wkt = lwgeom_to_ewkt(ret);
in_wkt = "GEOMETRYCOLLECTION(LINESTRING(-5 -2,0 0),LINESTRING(0 0,10 10))";
if (strcmp(in_wkt, wkt))
fprintf(stderr, "\nExp: %s\nObt: %s\n", in_wkt, wkt);
CU_ASSERT_STRING_EQUAL(wkt, in_wkt);
lwfree(wkt);
lwgeom_free(ret);
lwgeom_free(geom);
lwgeom_free(blade);
/* See #1311 */
geom = lwgeom_from_wkt(
"LINESTRING(0 0,10 0,20 4,0 3)",
LW_PARSER_CHECK_NONE);
CU_ASSERT(geom != NULL);
blade = lwgeom_from_wkt("POINT(10 0)", LW_PARSER_CHECK_NONE);
ret = lwgeom_split(geom, blade);
CU_ASSERT(ret != NULL);
wkt = lwgeom_to_ewkt(ret);
in_wkt = "GEOMETRYCOLLECTION(LINESTRING(0 0,10 0),LINESTRING(10 0,20 4,0 3))";
if (strcmp(in_wkt, wkt))
fprintf(stderr, "\nExp: %s\nObt: %s\n", in_wkt, wkt);
CU_ASSERT_STRING_EQUAL(wkt, in_wkt);
lwfree(wkt);
lwgeom_free(ret);
lwgeom_free(geom);
lwgeom_free(blade);
/* See #2528 (1) -- memory leak test, needs valgrind to check */
geom = lwgeom_from_wkt("SRID=1;LINESTRING(0 1,10 1)", LW_PARSER_CHECK_NONE);
CU_ASSERT(geom != NULL);
blade = lwgeom_from_wkt("LINESTRING(7 0,7 3)", LW_PARSER_CHECK_NONE);
ret = lwgeom_split(geom, blade);
CU_ASSERT(ret != NULL);
wkt = lwgeom_to_ewkt(ret);
in_wkt = "SRID=1;GEOMETRYCOLLECTION(LINESTRING(0 1,7 1),LINESTRING(7 1,10 1))";
if (strcmp(in_wkt, wkt))
fprintf(stderr, "\nExp: %s\nObt: %s\n", in_wkt, wkt);
CU_ASSERT_STRING_EQUAL(wkt, in_wkt);
lwfree(wkt);
lwgeom_free(ret);
lwgeom_free(geom);
lwgeom_free(blade);
/* See #2528 (2) -- memory leak test, needs valgrind to check */
geom = lwgeom_from_wkt("SRID=1;POLYGON((0 1, 10 1, 10 10, 0 10, 0 1))", LW_PARSER_CHECK_NONE);
CU_ASSERT(geom != NULL);
blade = lwgeom_from_wkt("LINESTRING(7 0,7 20)", LW_PARSER_CHECK_NONE);
ret = lwgeom_split(geom, blade);
CU_ASSERT(ret != NULL);
wkt = lwgeom_to_ewkt(ret);
in_wkt = "SRID=1;GEOMETRYCOLLECTION(POLYGON((7 1,0 1,0 10,7 10,7 1)),POLYGON((7 10,10 10,10 1,7 1,7 10)))";
if (strcmp(in_wkt, wkt))
fprintf(stderr, "\nExp: %s\nObt: %s\n", in_wkt, wkt);
CU_ASSERT_STRING_EQUAL(wkt, in_wkt);
lwfree(wkt);
lwgeom_free(ret);
lwgeom_free(geom);
lwgeom_free(blade);
}
/*
** Used by test harness to register the tests in this file.
*/
CU_TestInfo split_tests[] =
{
PG_TEST(test_lwline_split_by_point_to),
PG_TEST(test_lwgeom_split),
CU_TEST_INFO_NULL
};
CU_SuiteInfo split_suite = {"split", NULL, NULL, split_tests};
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