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