postgis/liblwgeom/cunit/cu_homogenize.c
2015-05-13 18:13:18 +00:00

264 lines
9.1 KiB
C

/**********************************************************************
*
* PostGIS - Spatial Types for PostgreSQL
* http://postgis.net
* Copyright 2009 Olivier Courtin <olivier.courtin@oslandia.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_geom_test(char * in, char * out)
{
LWGEOM *g, *h;
char *tmp;
g = lwgeom_from_wkt(in, LW_PARSER_CHECK_NONE);
h = lwgeom_homogenize(g);
tmp = lwgeom_to_ewkt(h);
if (strcmp(tmp, out))
fprintf(stderr, "\nIn: %s\nOut: %s\nExp: %s\n",
in, tmp, out);
CU_ASSERT_STRING_EQUAL(tmp, out);
lwfree(tmp);
lwgeom_free(g);
/* See http://trac.osgeo.org/postgis/ticket/1104 */
lwgeom_free(h);
}
static void test_coll_point(void)
{
do_geom_test("GEOMETRYCOLLECTION(POINT(1 2))",
"POINT(1 2)");
do_geom_test("GEOMETRYCOLLECTION(POINT(1 2),POINT(3 4))",
"MULTIPOINT(1 2,3 4)");
do_geom_test("GEOMETRYCOLLECTION(POINT(1 2),POINT(3 4),POINT(5 6))",
"MULTIPOINT(1 2,3 4,5 6)");
do_geom_test("GEOMETRYCOLLECTION(MULTIPOINT(1 2,3 4),POINT(5 6))",
"MULTIPOINT(1 2,3 4,5 6)");
do_geom_test("GEOMETRYCOLLECTION(POINT(1 2),MULTIPOINT(3 4,5 6))",
"MULTIPOINT(1 2,3 4,5 6)");
do_geom_test("GEOMETRYCOLLECTION(MULTIPOINT(1 2,3 4),MULTIPOINT(5 6,7 8))",
"MULTIPOINT(1 2,3 4,5 6,7 8)");
}
static void test_coll_line(void)
{
do_geom_test("GEOMETRYCOLLECTION(LINESTRING(1 2,3 4))",
"LINESTRING(1 2,3 4)");
do_geom_test("GEOMETRYCOLLECTION(LINESTRING(1 2,3 4),LINESTRING(5 6,7 8))",
"MULTILINESTRING((1 2,3 4),(5 6,7 8))");
do_geom_test("GEOMETRYCOLLECTION(LINESTRING(1 2,3 4),LINESTRING(5 6,7 8),LINESTRING(9 10,11 12))",
"MULTILINESTRING((1 2,3 4),(5 6,7 8),(9 10,11 12))");
do_geom_test("GEOMETRYCOLLECTION(MULTILINESTRING((1 2,3 4),(5 6,7 8)),LINESTRING(9 10,11 12))",
"MULTILINESTRING((1 2,3 4),(5 6,7 8),(9 10,11 12))");
do_geom_test("GEOMETRYCOLLECTION(LINESTRING(1 2,3 4),MULTILINESTRING((5 6,7 8),(9 10,11 12)))",
"MULTILINESTRING((1 2,3 4),(5 6,7 8),(9 10,11 12))");
do_geom_test("GEOMETRYCOLLECTION(MULTILINESTRING((1 2,3 4),(5 6,7 8)),MULTILINESTRING((9 10,11 12),(13 14,15 16)))",
"MULTILINESTRING((1 2,3 4),(5 6,7 8),(9 10,11 12),(13 14,15 16))");
}
static void test_coll_poly(void)
{
do_geom_test("GEOMETRYCOLLECTION(POLYGON((1 2,3 4,5 6,1 2)))",
"POLYGON((1 2,3 4,5 6,1 2))");
do_geom_test("GEOMETRYCOLLECTION(POLYGON((1 2,3 4,5 6,1 2)),POLYGON((7 8,9 10,11 12,7 8)))",
"MULTIPOLYGON(((1 2,3 4,5 6,1 2)),((7 8,9 10,11 12,7 8)))");
do_geom_test("GEOMETRYCOLLECTION(POLYGON((1 2,3 4,5 6,1 2)),POLYGON((7 8,9 10,11 12,7 8)),POLYGON((13 14,15 16,17 18,13 14)))",
"MULTIPOLYGON(((1 2,3 4,5 6,1 2)),((7 8,9 10,11 12,7 8)),((13 14,15 16,17 18,13 14)))");
do_geom_test("GEOMETRYCOLLECTION(MULTIPOLYGON(((1 2,3 4,5 6,1 2)),((7 8,9 10,11 12,7 8))),POLYGON((13 14,15 16,17 18,13 14)))",
"MULTIPOLYGON(((1 2,3 4,5 6,1 2)),((7 8,9 10,11 12,7 8)),((13 14,15 16,17 18,13 14)))");
do_geom_test("GEOMETRYCOLLECTION(POLYGON((1 2,3 4,5 6,1 2)),MULTIPOLYGON(((7 8,9 10,11 12,7 8)),((13 14,15 16,17 18,13 14))))",
"MULTIPOLYGON(((1 2,3 4,5 6,1 2)),((7 8,9 10,11 12,7 8)),((13 14,15 16,17 18,13 14)))");
do_geom_test("GEOMETRYCOLLECTION(MULTIPOLYGON(((1 2,3 4,5 6,1 2)),((7 8,9 10,11 12,7 8))),MULTIPOLYGON(((13 14,15 16,17 18,13 14)),((19 20,21 22,23 24,19 20))))",
"MULTIPOLYGON(((1 2,3 4,5 6,1 2)),((7 8,9 10,11 12,7 8)),((13 14,15 16,17 18,13 14)),((19 20,21 22,23 24,19 20)))");
}
static void test_coll_coll(void)
{
/* Two different types together must produce a Collection as output */
do_geom_test("GEOMETRYCOLLECTION(POINT(1 2),LINESTRING(3 4,5 6))",
"GEOMETRYCOLLECTION(POINT(1 2),LINESTRING(3 4,5 6))");
do_geom_test("GEOMETRYCOLLECTION(LINESTRING(1 2,3 4),POLYGON((5 6,7 8,9 10,5 6)))",
"GEOMETRYCOLLECTION(LINESTRING(1 2,3 4),POLYGON((5 6,7 8,9 10,5 6)))");
/* Ability to produce a single MULTI with same type */
do_geom_test("GEOMETRYCOLLECTION(POINT(1 2),LINESTRING(3 4,5 6),POINT(7 8))",
"GEOMETRYCOLLECTION(MULTIPOINT(1 2,7 8),LINESTRING(3 4,5 6))");
do_geom_test("GEOMETRYCOLLECTION(POINT(1 2),LINESTRING(3 4,5 6),MULTIPOINT(7 8,9 10))",
"GEOMETRYCOLLECTION(MULTIPOINT(1 2,7 8,9 10),LINESTRING(3 4,5 6))");
/* Recursive Collection handle */
do_geom_test("GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(POINT(1 2))))",
"POINT(1 2)");
do_geom_test("GEOMETRYCOLLECTION(POINT(1 2),GEOMETRYCOLLECTION(LINESTRING(3 4,5 6)))",
"GEOMETRYCOLLECTION(POINT(1 2),LINESTRING(3 4,5 6))");
/* EMPTY Collection */
do_geom_test("GEOMETRYCOLLECTION EMPTY",
"GEOMETRYCOLLECTION EMPTY");
/* Recursive EMPTY Collection */
do_geom_test("GEOMETRYCOLLECTION(GEOMETRYCOLLECTION EMPTY)",
"GEOMETRYCOLLECTION EMPTY");
do_geom_test("GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(GEOMETRYCOLLECTION EMPTY))",
"GEOMETRYCOLLECTION EMPTY");
}
static void test_coll_curve(void)
{
/* Two different types together must produce a Collection as output */
do_geom_test("GEOMETRYCOLLECTION(CIRCULARSTRING(0 0,1 1,2 2))",
"CIRCULARSTRING(0 0,1 1,2 2)");
do_geom_test("GEOMETRYCOLLECTION(CIRCULARSTRING(0 0,1 1,2 2),CIRCULARSTRING(0 0,1 1,2 2))",
"MULTICURVE(CIRCULARSTRING(0 0,1 1,2 2),CIRCULARSTRING(0 0,1 1,2 2))");
}
static void test_geom(void)
{
/* Already simple geometry */
do_geom_test("POINT(1 2)",
"POINT(1 2)");
do_geom_test("LINESTRING(1 2,3 4)",
"LINESTRING(1 2,3 4)");
do_geom_test("POLYGON((1 2,3 4,5 6,1 2))",
"POLYGON((1 2,3 4,5 6,1 2))");
do_geom_test("POLYGON((1 2,3 4,5 6,1 2),(7 8,9 10,11 12,7 8))",
"POLYGON((1 2,3 4,5 6,1 2),(7 8,9 10,11 12,7 8))");
/* Empty geometry */
do_geom_test("GEOMETRYCOLLECTION EMPTY",
"GEOMETRYCOLLECTION EMPTY");
/* A MULTI with a single geometry inside */
do_geom_test("MULTIPOINT(1 2)",
"POINT(1 2)");
do_geom_test("MULTILINESTRING((1 2,3 4))",
"LINESTRING(1 2,3 4)");
do_geom_test("MULTIPOLYGON(((1 2,3 4,5 6,1 2)))",
"POLYGON((1 2,3 4,5 6,1 2))");
do_geom_test("MULTIPOLYGON(((1 2,3 4,5 6,1 2),(7 8,9 10,11 12,7 8)))",
"POLYGON((1 2,3 4,5 6,1 2),(7 8,9 10,11 12,7 8))");
/* A real MULTI */
do_geom_test("MULTIPOINT(1 2,3 4)",
"MULTIPOINT(1 2,3 4)");
do_geom_test("MULTILINESTRING((1 2,3 4),(5 6,7 8))",
"MULTILINESTRING((1 2,3 4),(5 6,7 8))");
do_geom_test("MULTIPOLYGON(((1 2,3 4,5 6,1 2)),((7 8,9 10,11 12,7 8)))",
"MULTIPOLYGON(((1 2,3 4,5 6,1 2)),((7 8,9 10,11 12,7 8)))");
do_geom_test("MULTIPOLYGON(((1 2,3 4,5 6,1 2),(7 8,9 10,11 12,7 8)),((13 14,15 16,17 18,13 14)))",
"MULTIPOLYGON(((1 2,3 4,5 6,1 2),(7 8,9 10,11 12,7 8)),((13 14,15 16,17 18,13 14)))");
/* A Collection */
do_geom_test("GEOMETRYCOLLECTION(POINT(1 2),LINESTRING(3 4,5 6))",
"GEOMETRYCOLLECTION(POINT(1 2),LINESTRING(3 4,5 6))");
/* SRID */
do_geom_test("SRID=4326;GEOMETRYCOLLECTION EMPTY",
"SRID=4326;GEOMETRYCOLLECTION EMPTY");
/* See http://trac.osgeo.org/postgis/ticket/2129 */
do_geom_test("SRID=4326;GEOMETRYCOLLECTION(MULTIPOINT(0 0))",
"SRID=4326;POINT(0 0)");
/* See http://trac.osgeo.org/postgis/ticket/2129 */
do_geom_test("SRID=4326;GEOMETRYCOLLECTION(MULTIPOINT(0 0, 1 2))",
"SRID=4326;MULTIPOINT(0 0,1 2)");
/* See http://trac.osgeo.org/postgis/ticket/2129 */
do_geom_test("SRID=4326;GEOMETRYCOLLECTION(POINT(0 0),LINESTRING(0 0,10 0))",
"SRID=4326;GEOMETRYCOLLECTION(POINT(0 0),LINESTRING(0 0,10 0))");
do_geom_test("SRID=4326;POINT(1 2)",
"SRID=4326;POINT(1 2)");
do_geom_test("SRID=4326;MULTIPOINT(1 2)",
"SRID=4326;POINT(1 2)");
do_geom_test("SRID=4326;MULTIPOINT(1 2,3 4)",
"SRID=4326;MULTIPOINT(1 2,3 4)");
do_geom_test("SRID=4326;MULTILINESTRING((1 2,3 4))",
"SRID=4326;LINESTRING(1 2,3 4)");
do_geom_test("SRID=4326;MULTILINESTRING((1 2,3 4),(5 6,7 8))",
"SRID=4326;MULTILINESTRING((1 2,3 4),(5 6,7 8))");
/* 3D and 4D */
do_geom_test("POINT(1 2 3)",
"POINT(1 2 3)");
do_geom_test("POINTM(1 2 3)",
"POINTM(1 2 3)");
do_geom_test("POINT(1 2 3 4)",
"POINT(1 2 3 4)");
}
/*
** Used by test harness to register the tests in this file.
*/
void homogenize_suite_setup(void);
void homogenize_suite_setup(void)
{
CU_pSuite suite = CU_add_suite("homogenize", NULL, NULL);
PG_ADD_TEST(suite, test_coll_point);
PG_ADD_TEST(suite, test_coll_line);
PG_ADD_TEST(suite, test_coll_poly);
PG_ADD_TEST(suite, test_coll_coll);
PG_ADD_TEST(suite, test_geom);
PG_ADD_TEST(suite, test_coll_curve);
}