249 lines
7.6 KiB
C
249 lines
7.6 KiB
C
/**********************************************************************
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*
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* PostGIS - Spatial Types for PostgreSQL
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* http://postgis.net
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*
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* Copyright 2013 Sandro Santilli <strk@kbt.io>
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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 "liblwgeom_internal.h"
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#include "cu_tester.h"
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static void do_geojson_test(const char * exp, char * in, char * exp_srs)
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{
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LWGEOM *g;
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char * h = NULL;
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char * srs = NULL;
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size_t size;
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g = lwgeom_from_geojson(in, &srs);
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if ( ! g )
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{
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fprintf(stderr, "\nIn: %s\nExp: %s\nObt: %s\n", in, exp, cu_error_msg);
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CU_ASSERT(g != NULL);
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return;
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}
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h = lwgeom_to_wkt(g, WKT_EXTENDED, 15, &size);
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if (strcmp(h, exp))
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{
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fprintf(stderr, "\nIn: %s\nExp: %s\nObt: %s\n", in, exp, h);
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CU_ASSERT_STRING_EQUAL(h, exp);
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}
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else
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{
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CU_ASSERT_STRING_EQUAL(h, exp);
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}
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if ( exp_srs )
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{
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if ( ! srs )
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{
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fprintf(stderr, "\nIn: %s\nExp: %s\nObt: (null)\n", in, exp_srs);
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CU_ASSERT_EQUAL(srs, exp_srs);
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}
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else if (strcmp(srs, exp_srs))
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{
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fprintf(stderr, "\nIn: %s\nExp: %s\nObt: %s\n", in, exp_srs, srs);
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CU_ASSERT_STRING_EQUAL(srs, exp_srs);
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}
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}
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else if ( srs )
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{
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fprintf(stderr, "\nIn: %s\nExp: (null)\nObt: %s\n", in, srs);
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CU_ASSERT_EQUAL(srs, exp_srs);
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}
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lwgeom_free(g);
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if ( h ) lwfree(h);
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if ( srs ) lwfree(srs);
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}
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static void in_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");
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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");
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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");
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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");
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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");
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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");
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}
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static void in_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);
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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);
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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);
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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);
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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);
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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);
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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);
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}
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static void in_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);
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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);
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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);
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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);
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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);
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/* MultiPolygon with internal rings */
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/* See http://trac.osgeo.org/postgis/ticket/2216 */
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do_geojson_test(
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"MULTIPOLYGON(((4 0,0 -4,-4 0,0 4,4 0),(2 0,0 2,-2 0,0 -2,2 0)),((24 0,20 -4,16 0,20 4,24 0),(22 0,20 2,18 0,20 -2,22 0)),((44 0,40 -4,36 0,40 4,44 0),(42 0,40 2,38 0,40 -2,42 0)))",
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"{'type':'MultiPolygon','coordinates':[[[[4,0],[0,-4],[-4,0],[0,4],[4,0]],[[2,0],[0,2],[-2,0],[0,-2],[2,0]]],[[[24,0],[20,-4],[16,0],[20,4],[24,0]],[[22,0],[20,2],[18,0],[20,-2],[22,0]]],[[[44,0],[40,-4],[36,0],[40,4],[44,0]],[[42,0],[40,2],[38,0],[40,-2],[42,0]]]]}",
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NULL);
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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);
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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);
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/* Empty Point */
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do_geojson_test(
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"POINT EMPTY",
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"{\"type\":\"Point\",\"coordinates\":[]}",
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NULL);
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/* Empty LineString */
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do_geojson_test(
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"LINESTRING EMPTY",
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"{\"type\":\"LineString\",\"coordinates\":[]}",
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NULL);
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/* Empty Polygon */
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do_geojson_test(
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"POLYGON EMPTY",
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"{\"type\":\"Polygon\",\"coordinates\":[]}",
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NULL);
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/* Empty MultiPoint */
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do_geojson_test(
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"MULTIPOINT EMPTY",
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"{\"type\":\"MultiPoint\",\"coordinates\":[]}",
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NULL);
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/* Empty MultiPolygon */
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do_geojson_test(
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"MULTIPOLYGON EMPTY",
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"{\"type\":\"MultiPolygon\",\"coordinates\":[]}",
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NULL);
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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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void in_geojson_suite_setup(void);
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void in_geojson_suite_setup(void)
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{
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CU_pSuite suite = CU_add_suite("geojson_input", NULL, NULL);
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PG_ADD_TEST(suite, in_geojson_test_srid);
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PG_ADD_TEST(suite, in_geojson_test_bbox);
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PG_ADD_TEST(suite, in_geojson_test_geoms);
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}
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