cu_out_wkt.c

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/**********************************************************************
 *
 * PostGIS - Spatial Types for PostgreSQL
 * http://postgis.net
 * Copyright 2010 Paul Ramsey <pramsey@cleverelephant.ca>
 *
 * 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"
 
/*
** Global variable to hold WKT strings
*/
static char *s = NULL;
 
/*
** The suite initialization function.
** Create any re-used objects.
*/
static int init_wkt_out_suite(void)
{
        s = NULL;
        return 0;
}
 
/*
** The suite cleanup function.
** Frees any global objects.
*/
static int clean_wkt_out_suite(void)
{
        if ( s ) free(s);
        s = NULL;
        return 0;
}
 
static char* cu_wkt(char *wkt, uint8_t variant)
{
        LWGEOM *g = lwgeom_from_wkt(wkt, LW_PARSER_CHECK_NONE);
        if ( s ) free(s);
        if ( ! g )
        {
                printf("error converting '%s' to lwgeom\n", wkt);
                exit(0);
        }
        s = lwgeom_to_wkt(g, variant, 8, NULL);
        lwgeom_free(g);
        return s;
}
 
static void test_wkt_out_point(void)
{
        CU_ASSERT_STRING_EQUAL(cu_wkt("POINT(0.1111 0.1111 0.1111 0)",WKT_ISO), "POINT ZM (0.1111 0.1111 0.1111 0)");
        CU_ASSERT_STRING_EQUAL(cu_wkt("POINT(0 0 0 0)",WKT_EXTENDED), "POINT(0 0 0 0)");
        CU_ASSERT_STRING_EQUAL(cu_wkt("POINT(0 0 0 0)",WKT_SFSQL), "POINT(0 0)");
 
        CU_ASSERT_STRING_EQUAL(cu_wkt("POINTM(0 0 0)",WKT_ISO), "POINT M (0 0 0)");
        CU_ASSERT_STRING_EQUAL(cu_wkt("POINTM(0 0 0)",WKT_EXTENDED), "POINTM(0 0 0)");
        CU_ASSERT_STRING_EQUAL(cu_wkt("POINTM(0 0 0)",WKT_SFSQL), "POINT(0 0)");
 
        CU_ASSERT_STRING_EQUAL(cu_wkt("POINT(100 100)",WKT_ISO), "POINT(100 100)");
        CU_ASSERT_STRING_EQUAL(cu_wkt("POINT(100 100)",WKT_EXTENDED), "POINT(100 100)");
        CU_ASSERT_STRING_EQUAL(cu_wkt("POINT(100 100)",WKT_SFSQL), "POINT(100 100)");
 
        CU_ASSERT_STRING_EQUAL(cu_wkt("POINT(100.1 100 12 12)",WKT_ISO), "POINT ZM (100.1 100 12 12)");
        CU_ASSERT_STRING_EQUAL(cu_wkt("POINT(100.1 100 12 12)",WKT_EXTENDED), "POINT(100.1 100 12 12)");
        CU_ASSERT_STRING_EQUAL(cu_wkt("POINT(100.1 100 12 12)",WKT_SFSQL), "POINT(100.1 100)");
 
        CU_ASSERT_STRING_EQUAL(cu_wkt("SRID=100;POINT(100.1 100 12 12)",WKT_SFSQL), "POINT(100.1 100)");
        CU_ASSERT_STRING_EQUAL(cu_wkt("SRID=100;POINT(100.1 100 12 12)",WKT_EXTENDED), "SRID=100;POINT(100.1 100 12 12)");
 
        /* Test big numbers */
        ASSERT_STRING_EQUAL(cu_wkt("POINT(-123456789012345.12345678 -1234567890123458.12345678)", WKT_ISO),
                            "POINT(-123456789012345.12 -1.23456789e+15)");
        ASSERT_STRING_EQUAL(
            cu_wkt(
                "POINT( "
                "9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999 "
                "0.000000000000000000000000000001)",
                WKT_ISO),
            "POINT(1e+100 1e-30)");
}
 
static void test_wkt_out_linestring(void)
{
        CU_ASSERT_STRING_EQUAL(cu_wkt("LINESTRING(1 2 3 4,5 6 7 8)",WKT_ISO), "LINESTRING ZM (1 2 3 4,5 6 7 8)");
        CU_ASSERT_STRING_EQUAL(cu_wkt("LINESTRING(1 2 3,5 6 7)",WKT_ISO), "LINESTRING Z (1 2 3,5 6 7)");
        CU_ASSERT_STRING_EQUAL(cu_wkt("LINESTRINGM(1 2 3,5 6 7)",WKT_ISO), "LINESTRING M (1 2 3,5 6 7)");
}
 
static void test_wkt_out_polygon(void)
{
        CU_ASSERT_STRING_EQUAL(
            cu_wkt("POLYGON((100 100 2, 100 200 2, 200 200 2, 200 100 2, 100 100 2))",WKT_ISO),
            "POLYGON Z ((100 100 2,100 200 2,200 200 2,200 100 2,100 100 2))"
        );
        CU_ASSERT_STRING_EQUAL(
            cu_wkt("POLYGON((100 100 2, 100 200 2, 200 200 2, 200 100 2, 100 100 2))",WKT_EXTENDED),
            "POLYGON((100 100 2,100 200 2,200 200 2,200 100 2,100 100 2))"
        );
}
static void test_wkt_out_multipoint(void)
{
        CU_ASSERT_STRING_EQUAL(cu_wkt("MULTIPOINT(1 2 3 4,5 6 7 8)",WKT_ISO), "MULTIPOINT ZM ((1 2 3 4),(5 6 7 8))");
        CU_ASSERT_STRING_EQUAL(cu_wkt("MULTIPOINT(1 2 3,5 6 7)",WKT_ISO), "MULTIPOINT Z ((1 2 3),(5 6 7))");
        CU_ASSERT_STRING_EQUAL(cu_wkt("MULTIPOINTM(1 2 3,5 6 7)",WKT_ISO), "MULTIPOINT M ((1 2 3),(5 6 7))");
 
}
 
static void test_wkt_out_multilinestring(void)
{
        CU_ASSERT_STRING_EQUAL(
            cu_wkt("MULTILINESTRING((1 2 3 4,5 6 7 8))",WKT_ISO),
            "MULTILINESTRING ZM ((1 2 3 4,5 6 7 8))"
        );
        CU_ASSERT_STRING_EQUAL(
            cu_wkt("MULTILINESTRING((1 2 3,5 6 7))",WKT_ISO),
            "MULTILINESTRING Z ((1 2 3,5 6 7))"
        );
        CU_ASSERT_STRING_EQUAL(
            cu_wkt("MULTILINESTRINGM((1 2 3,5 6 7))",WKT_ISO),
            "MULTILINESTRING M ((1 2 3,5 6 7))"
        );
}
 
static void test_wkt_out_multipolygon(void)
{
        CU_ASSERT_STRING_EQUAL(
            cu_wkt("MULTIPOLYGON(((100 100 2, 100 200 2, 200 200 2, 200 100 2, 100 100 2)))",WKT_ISO),
            "MULTIPOLYGON Z (((100 100 2,100 200 2,200 200 2,200 100 2,100 100 2)))"
        );
        CU_ASSERT_STRING_EQUAL(
            cu_wkt("MULTIPOLYGON(((100 100 2, 100 200 2, 200 200 2, 200 100 2, 100 100 2)))",WKT_EXTENDED),
            "MULTIPOLYGON(((100 100 2,100 200 2,200 200 2,200 100 2,100 100 2)))"
        );
}
 
static void test_wkt_out_collection(void)
{
        //printf("%s\n",cu_wkt("GEOMETRYCOLLECTION(MULTIPOLYGON(((100 100 2, 100 200 2, 200 200 2, 200 100 2, 100 100 2))),MULTIPOINT(.5 .5 .5,1 1 1),CURVEPOLYGON((.8 .8 .8,.8 .8 .8,.8 .8 .8)))",WKT_ISO));
        CU_ASSERT_STRING_EQUAL(
            cu_wkt("GEOMETRYCOLLECTION(POLYGON((100 100 2, 100 200 2, 200 200 2, 200 100 2, 100 100 2)),POINT(.5 .5 .5),CIRCULARSTRING(.8 .8 .8,.8 .8 .8,.8 .8 .8))",WKT_ISO),
            "GEOMETRYCOLLECTION Z (POLYGON Z ((100 100 2,100 200 2,200 200 2,200 100 2,100 100 2)),POINT Z (0.5 0.5 0.5),CIRCULARSTRING Z (0.8 0.8 0.8,0.8 0.8 0.8,0.8 0.8 0.8))"
        );
        CU_ASSERT_STRING_EQUAL(
            cu_wkt("GEOMETRYCOLLECTION(MULTIPOLYGON(((100 100 2, 100 200 2, 200 200 2, 200 100 2, 100 100 2))),MULTIPOINT(.5 .5 .5,1 1 1),CURVEPOLYGON((.8 .8 .8,.8 .8 .8,.8 .8 .8)))",WKT_ISO),
            "GEOMETRYCOLLECTION Z (MULTIPOLYGON Z (((100 100 2,100 200 2,200 200 2,200 100 2,100 100 2))),MULTIPOINT Z ((0.5 0.5 0.5),(1 1 1)),CURVEPOLYGON Z ((0.8 0.8 0.8,0.8 0.8 0.8,0.8 0.8 0.8)))"
        );
 
        /* See http://trac.osgeo.org/postgis/ticket/724 */
        CU_ASSERT_STRING_EQUAL(
            cu_wkt("GEOMETRYCOLLECTIONM(MULTIPOINTM(0 0 0), POINTM(1 1 1))", WKT_EXTENDED),
            "GEOMETRYCOLLECTIONM(MULTIPOINTM(0 0 0),POINTM(1 1 1))"
        );
}
 
static void test_wkt_out_circularstring(void)
{
        CU_ASSERT_STRING_EQUAL(
            cu_wkt("CIRCULARSTRING(1 2 3 4,4 5 6 7,7 8 9 0)",WKT_ISO),
            "CIRCULARSTRING ZM (1 2 3 4,4 5 6 7,7 8 9 0)"
        );
        CU_ASSERT_STRING_EQUAL(
            cu_wkt("CIRCULARSTRING(1 2 3 4,4 5 6 7,7 8 9 0)",WKT_EXTENDED),
            "CIRCULARSTRING(1 2 3 4,4 5 6 7,7 8 9 0)"
        );
        //printf("%s\n",cu_wkt("GEOMETRYCOLLECTION(MULTIPOLYGON(((100 100 2, 100 200 2, 200 200 2, 200 100 2, 100 100 2))),MULTIPOINT(.5 .5 .5,1 1 1),CURVEPOLYGON((.8 .8 .8,.8 .8 .8,.8 .8 .8)))",WKT_ISO));
}
 
static void test_wkt_out_compoundcurve(void)
{
        CU_ASSERT_STRING_EQUAL(
            cu_wkt("COMPOUNDCURVE((1 2 3 4,4 5 6 7,7 8 9 0),CIRCULARSTRING(7 8 9 0,4 3 2 1,1 2 3 4,4 5 6 7,7 8 9 0))",WKT_ISO),
            "COMPOUNDCURVE ZM ((1 2 3 4,4 5 6 7,7 8 9 0),CIRCULARSTRING ZM (7 8 9 0,4 3 2 1,1 2 3 4,4 5 6 7,7 8 9 0))"
        );
}
 
static void test_wkt_out_curvpolygon(void)
{
        CU_ASSERT_STRING_EQUAL(
            cu_wkt("CURVEPOLYGON((1 2 3 4,4 5 6 7,7 8 9 0),CIRCULARSTRING(7 8 9 0,1 2 1 1,1 2 3 4,4 5 6 7,7 8 9 0))",WKT_ISO),
            "CURVEPOLYGON ZM ((1 2 3 4,4 5 6 7,7 8 9 0),CIRCULARSTRING ZM (7 8 9 0,1 2 1 1,1 2 3 4,4 5 6 7,7 8 9 0))"
        );
}
 
static void test_wkt_out_multicurve(void)
{
        CU_ASSERT_STRING_EQUAL(
            cu_wkt("MULTICURVE((1 2 3 4,4 5 6 7,7 8 9 0),CIRCULARSTRING(1 2 3 4,4 5 6 7,7 8 9 0))",WKT_ISO),
            "MULTICURVE ZM ((1 2 3 4,4 5 6 7,7 8 9 0),CIRCULARSTRING ZM (1 2 3 4,4 5 6 7,7 8 9 0))"
        );
        CU_ASSERT_STRING_EQUAL(
            cu_wkt("MULTICURVE(COMPOUNDCURVE((1 2 3 4,4 5 6 7,7 8 9 0),CIRCULARSTRING(7 8 9 0,8 9 0 0,1 2 3 4,4 5 6 7,7 8 9 0)),(1 2 3 4,4 5 6 7,7 8 9 0),CIRCULARSTRING(1 2 3 4,4 5 6 7,7 8 9 0))",WKT_ISO),
            "MULTICURVE ZM (COMPOUNDCURVE ZM ((1 2 3 4,4 5 6 7,7 8 9 0),CIRCULARSTRING ZM (7 8 9 0,8 9 0 0,1 2 3 4,4 5 6 7,7 8 9 0)),(1 2 3 4,4 5 6 7,7 8 9 0),CIRCULARSTRING ZM (1 2 3 4,4 5 6 7,7 8 9 0))"
        );
}
 
static void test_wkt_out_multisurface(void)
{
        CU_ASSERT_STRING_EQUAL(
            cu_wkt("MULTISURFACE(((1 2 3 4,4 5 6 7,7 8 9 0)),CURVEPOLYGON((1 2 3 4,4 5 6 7,7 8 9 0)))",WKT_ISO),
            "MULTISURFACE ZM (((1 2 3 4,4 5 6 7,7 8 9 0)),CURVEPOLYGON ZM ((1 2 3 4,4 5 6 7,7 8 9 0)))"
        );
 
}
 
/*
** Used by test harness to register the tests in this file.
*/
void wkt_out_suite_setup(void);
void wkt_out_suite_setup(void)
{
        CU_pSuite suite = CU_add_suite("wkt_output", init_wkt_out_suite, clean_wkt_out_suite);
        PG_ADD_TEST(suite, test_wkt_out_point);
        PG_ADD_TEST(suite, test_wkt_out_linestring);
        PG_ADD_TEST(suite, test_wkt_out_polygon);
        PG_ADD_TEST(suite, test_wkt_out_multipoint);
        PG_ADD_TEST(suite, test_wkt_out_multilinestring);
        PG_ADD_TEST(suite, test_wkt_out_multipolygon);
        PG_ADD_TEST(suite, test_wkt_out_collection);
        PG_ADD_TEST(suite, test_wkt_out_circularstring);
        PG_ADD_TEST(suite, test_wkt_out_compoundcurve);
        PG_ADD_TEST(suite, test_wkt_out_curvpolygon);
        PG_ADD_TEST(suite, test_wkt_out_multicurve);
        PG_ADD_TEST(suite, test_wkt_out_multisurface);
}