mirror of
https://git.osgeo.org/gitea/postgis/postgis
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286 lines
8.9 KiB
C
286 lines
8.9 KiB
C
/**********************************************************************
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* $Id$
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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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* Copyright 2010 Olivier Courtin <olivier.courtin@oslandia.com>
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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 <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "CUnit/Basic.h"
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#include "libgeom.h"
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#include "cu_tester.h"
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static void do_geojson_test(char * in, char * out, char * srs, int precision, int has_bbox)
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{
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LWGEOM *g;
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char * h;
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g = lwgeom_from_ewkt(in, PARSER_CHECK_NONE);
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h = lwgeom_to_geojson(lwgeom_serialize(g), srs, precision, has_bbox);
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if (strcmp(h, out))
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fprintf(stderr, "\nIn: %s\nOut: %s\nTheo: %s\n", in, h, out);
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CU_ASSERT_STRING_EQUAL(h, out);
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lwgeom_free(g);
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lwfree(h);
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}
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static void do_geojson_unsupported(char * in, char * out)
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{
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LWGEOM *g;
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char *h;
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g = lwgeom_from_ewkt(in, PARSER_CHECK_NONE);
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h = lwgeom_to_geojson(lwgeom_serialize(g), NULL, 0, 0);
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if (strcmp(cu_error_msg, out))
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fprintf(stderr, "\nIn: %s\nOut: %s\nTheo: %s\n",
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in, cu_error_msg, out);
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CU_ASSERT_STRING_EQUAL(out, cu_error_msg);
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cu_error_msg_reset();
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lwfree(h);
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lwgeom_free(g);
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}
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static void out_geojson_test_precision(void)
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{
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/* 0 precision, i.e a round */
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do_geojson_test(
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"POINT(1.1111111111111 1.1111111111111)",
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"{\"type\":\"Point\",\"coordinates\":[1,1]}",
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NULL, 0, 0);
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/* 3 digits precision */
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do_geojson_test(
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"POINT(1.1111111111111 1.1111111111111)",
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"{\"type\":\"Point\",\"coordinates\":[1.111,1.111]}",
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NULL, 3, 0);
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/* 9 digits precision */
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do_geojson_test(
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"POINT(1.2345678901234 1.2345678901234)",
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"{\"type\":\"Point\",\"coordinates\":[1.23456789,1.23456789]}",
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NULL, 9, 0);
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/* huge data */
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do_geojson_test(
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"POINT(1E300 -1E300)",
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"{\"type\":\"Point\",\"coordinates\":[1e+300,-1e+300]}",
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NULL, 0, 0);
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}
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static void out_geojson_test_dims(void)
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{
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/* 3D */
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do_geojson_test(
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"POINT(0 1 2)",
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"{\"type\":\"Point\",\"coordinates\":[0,1,2]}",
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NULL, 0, 0);
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/* 3DM */
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do_geojson_test(
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"POINTM(0 1 2)",
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"{\"type\":\"Point\",\"coordinates\":[0,1]}",
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NULL, 0, 0);
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/* 4D */
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do_geojson_test(
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"POINT(0 1 2 3)",
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"{\"type\":\"Point\",\"coordinates\":[0,1,2]}",
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NULL, 0, 0);
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}
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static void out_geojson_test_srid(void)
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{
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/* Linestring */
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do_geojson_test(
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"LINESTRING(0 1,2 3,4 5)",
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"{\"type\":\"LineString\",\"crs\":{\"type\":\"name\",\"properties\":{\"name\":\"EPSG:4326\"}},\"coordinates\":[[0,1],[2,3],[4,5]]}",
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"EPSG:4326", 0, 0);
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/* Polygon */
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do_geojson_test(
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"POLYGON((0 1,2 3,4 5,0 1))",
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"{\"type\":\"Polygon\",\"crs\":{\"type\":\"name\",\"properties\":{\"name\":\"EPSG:4326\"}},\"coordinates\":[[[0,1],[2,3],[4,5],[0,1]]]}",
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"EPSG:4326", 0, 0);
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/* Polygon - with internal ring */
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do_geojson_test(
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"POLYGON((0 1,2 3,4 5,0 1),(6 7,8 9,10 11,6 7))",
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"{\"type\":\"Polygon\",\"crs\":{\"type\":\"name\",\"properties\":{\"name\":\"EPSG:4326\"}},\"coordinates\":[[[0,1],[2,3],[4,5],[0,1]],[[6,7],[8,9],[10,11],[6,7]]]}",
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"EPSG:4326", 0, 0);
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/* Multiline */
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do_geojson_test(
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"MULTILINESTRING((0 1,2 3,4 5),(6 7,8 9,10 11))",
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"{\"type\":\"MultiLineString\",\"crs\":{\"type\":\"name\",\"properties\":{\"name\":\"EPSG:4326\"}},\"coordinates\":[[[0,1],[2,3],[4,5]],[[6,7],[8,9],[10,11]]]}",
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"EPSG:4326", 0, 0);
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/* MultiPolygon */
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do_geojson_test(
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"MULTIPOLYGON(((0 1,2 3,4 5,0 1)),((6 7,8 9,10 11,6 7)))",
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"{\"type\":\"MultiPolygon\",\"crs\":{\"type\":\"name\",\"properties\":{\"name\":\"EPSG:4326\"}},\"coordinates\":[[[[0,1],[2,3],[4,5],[0,1]]],[[[6,7],[8,9],[10,11],[6,7]]]]}",
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"EPSG:4326", 0, 0);
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/* GeometryCollection */
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do_geojson_test(
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"GEOMETRYCOLLECTION(POINT(0 1),LINESTRING(2 3,4 5))",
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"{\"type\":\"GeometryCollection\",\"crs\":{\"type\":\"name\",\"properties\":{\"name\":\"EPSG:4326\"}},\"geometries\":[{\"type\":\"Point\",\"coordinates\":[0,1]},{\"type\":\"LineString\",\"coordinates\":[[2,3],[4,5]]}]}",
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"EPSG:4326", 0, 0);
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/* Empty GeometryCollection */
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do_geojson_test(
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"GEOMETRYCOLLECTION EMPTY",
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"{\"type\":\"GeometryCollection\",\"crs\":{\"type\":\"name\",\"properties\":{\"name\":\"EPSG:4326\"}},\"geometries\":[]}",
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"EPSG:4326", 0, 0);
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}
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static void out_geojson_test_bbox(void)
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{
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/* Linestring */
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do_geojson_test(
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"LINESTRING(0 1,2 3,4 5)",
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"{\"type\":\"LineString\",\"bbox\":[0,1,4,5],\"coordinates\":[[0,1],[2,3],[4,5]]}",
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NULL, 0, 1);
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/* Polygon */
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do_geojson_test(
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"POLYGON((0 1,2 3,4 5,0 1))",
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"{\"type\":\"Polygon\",\"bbox\":[0,1,4,5],\"coordinates\":[[[0,1],[2,3],[4,5],[0,1]]]}",
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NULL, 0, 1);
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/* Polygon - with internal ring */
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do_geojson_test(
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"POLYGON((0 1,2 3,4 5,0 1),(6 7,8 9,10 11,6 7))",
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"{\"type\":\"Polygon\",\"bbox\":[0,1,4,5],\"coordinates\":[[[0,1],[2,3],[4,5],[0,1]],[[6,7],[8,9],[10,11],[6,7]]]}",
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NULL, 0, 1);
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/* Multiline */
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do_geojson_test(
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"MULTILINESTRING((0 1,2 3,4 5),(6 7,8 9,10 11))",
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"{\"type\":\"MultiLineString\",\"bbox\":[0,1,10,11],\"coordinates\":[[[0,1],[2,3],[4,5]],[[6,7],[8,9],[10,11]]]}",
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NULL, 0, 1);
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/* MultiPolygon */
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do_geojson_test(
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"MULTIPOLYGON(((0 1,2 3,4 5,0 1)),((6 7,8 9,10 11,6 7)))",
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"{\"type\":\"MultiPolygon\",\"bbox\":[0,1,10,11],\"coordinates\":[[[[0,1],[2,3],[4,5],[0,1]]],[[[6,7],[8,9],[10,11],[6,7]]]]}",
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NULL, 0, 1);
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/* GeometryCollection */
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do_geojson_test(
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"GEOMETRYCOLLECTION(LINESTRING(0 1,-1 3),LINESTRING(2 3,4 5))",
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"{\"type\":\"GeometryCollection\",\"bbox\":[-1,1,4,5],\"geometries\":[{\"type\":\"LineString\",\"coordinates\":[[0,1],[-1,3]]},{\"type\":\"LineString\",\"coordinates\":[[2,3],[4,5]]}]}",
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NULL, 0, 1);
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/* Empty GeometryCollection */
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do_geojson_test(
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"GEOMETRYCOLLECTION EMPTY",
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"{\"type\":\"GeometryCollection\",\"geometries\":[]}",
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NULL, 0, 1);
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}
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static void out_geojson_test_geoms(void)
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{
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/* Linestring */
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do_geojson_test(
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"LINESTRING(0 1,2 3,4 5)",
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"{\"type\":\"LineString\",\"coordinates\":[[0,1],[2,3],[4,5]]}",
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NULL, 0, 0);
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/* Polygon */
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do_geojson_test(
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"POLYGON((0 1,2 3,4 5,0 1))",
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"{\"type\":\"Polygon\",\"coordinates\":[[[0,1],[2,3],[4,5],[0,1]]]}",
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NULL, 0, 0);
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/* Polygon - with internal ring */
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do_geojson_test(
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"POLYGON((0 1,2 3,4 5,0 1),(6 7,8 9,10 11,6 7))",
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"{\"type\":\"Polygon\",\"coordinates\":[[[0,1],[2,3],[4,5],[0,1]],[[6,7],[8,9],[10,11],[6,7]]]}",
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NULL, 0, 0);
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/* Multiline */
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do_geojson_test(
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"MULTILINESTRING((0 1,2 3,4 5),(6 7,8 9,10 11))",
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"{\"type\":\"MultiLineString\",\"coordinates\":[[[0,1],[2,3],[4,5]],[[6,7],[8,9],[10,11]]]}",
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NULL, 0, 0);
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/* MultiPolygon */
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do_geojson_test(
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"MULTIPOLYGON(((0 1,2 3,4 5,0 1)),((6 7,8 9,10 11,6 7)))",
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"{\"type\":\"MultiPolygon\",\"coordinates\":[[[[0,1],[2,3],[4,5],[0,1]]],[[[6,7],[8,9],[10,11],[6,7]]]]}",
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NULL, 0, 0);
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/* GeometryCollection */
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do_geojson_test(
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"GEOMETRYCOLLECTION(POINT(0 1),LINESTRING(2 3,4 5))",
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"{\"type\":\"GeometryCollection\",\"geometries\":[{\"type\":\"Point\",\"coordinates\":[0,1]},{\"type\":\"LineString\",\"coordinates\":[[2,3],[4,5]]}]}",
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NULL, 0, 0);
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/* Empty GeometryCollection */
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do_geojson_test(
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"GEOMETRYCOLLECTION EMPTY",
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"{\"type\":\"GeometryCollection\",\"geometries\":[]}",
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NULL, 0, 0);
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/* Nested GeometryCollection */
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do_geojson_unsupported(
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"GEOMETRYCOLLECTION(POINT(0 1),GEOMETRYCOLLECTION(LINESTRING(2 3,4 5)))",
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"GeoJson: geometry not supported.");
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/* CircularString */
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do_geojson_unsupported(
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"CIRCULARSTRING(-2 0,0 2,2 0,0 2,2 4)",
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"lwgeom_to_geojson: 'CircularString' geometry type not supported");
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/* CompoundString */
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do_geojson_unsupported(
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"COMPOUNDCURVE(CIRCULARSTRING(0 0,1 1,1 0),(1 0,0 1))",
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"lwgeom_to_geojson: 'CompoundString' geometry type not supported");
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/* CurvePolygon */
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do_geojson_unsupported(
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"CURVEPOLYGON(CIRCULARSTRING(-2 0,-1 -1,0 0,1 -1,2 0,0 2,-2 0),(-1 0,0 0.5,1 0,0 1,-1 0))",
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"lwgeom_to_geojson: 'CurvePolygon' geometry type not supported");
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/* MultiCurve */
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do_geojson_unsupported(
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"MULTICURVE((5 5,3 5,3 3,0 3),CIRCULARSTRING(0 0,2 1,2 2))",
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"lwgeom_to_geojson: 'MultiCurve' geometry type not supported");
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/* MultiSurface */
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do_geojson_unsupported(
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"MULTISURFACE(CURVEPOLYGON(CIRCULARSTRING(-2 0,-1 -1,0 0,1 -1,2 0,0 2,-2 0),(-1 0,0 0.5,1 0,0 1,-1 0)),((7 8,10 10,6 14,4 11,7 8)))",
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"lwgeom_to_geojson: 'MultiSurface' geometry type not supported");
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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 out_geojson_tests[] = {
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PG_TEST(out_geojson_test_precision),
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PG_TEST(out_geojson_test_dims),
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PG_TEST(out_geojson_test_srid),
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PG_TEST(out_geojson_test_bbox),
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PG_TEST(out_geojson_test_geoms),
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CU_TEST_INFO_NULL
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};
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CU_SuiteInfo out_geojson_suite = {"GeoJson Out Suite", NULL, NULL, out_geojson_tests};
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