test_lwgeom_delaunay_triangulation()

static void test_lwgeom_delaunay_triangulation ( void  )

static

Definition at line 19 of file cu_triangulate.c.

References cu_error_msg_reset(), LW_PARSER_CHECK_NONE, lwfree(), lwgeom_delaunay_triangulation(), lwgeom_free(), lwgeom_from_wkt(), lwgeom_normalize(), and lwgeom_to_ewkt().

Referenced by triangulate_suite_setup().

{
#if POSTGIS_GEOS_VERSION >= 34
        LWGEOM *in, *tmp, *out;
        char *wkt, *exp_wkt;

        /* Because i don't trust that much prior tests...  ;) */
        cu_error_msg_reset();

        in = lwgeom_from_wkt("MULTIPOINT(10 0, 20 0, 5 5)", LW_PARSER_CHECK_NONE);

        tmp = lwgeom_delaunay_triangulation(in, 0, 0);
        lwgeom_free(in);
        out = lwgeom_normalize(tmp);
        lwgeom_free(tmp);

        wkt = lwgeom_to_ewkt(out);
        lwgeom_free(out);

        exp_wkt = "GEOMETRYCOLLECTION(POLYGON((5 5,20 0,10 0,5 5)))";
        if ( strcmp(wkt, exp_wkt) )
        {
                fprintf(stderr, "\nExp:  %s\nObt:  %s\n", exp_wkt, wkt);
        }
        CU_ASSERT_STRING_EQUAL(wkt, exp_wkt);
        lwfree(wkt);

#endif /* POSTGIS_GEOS_VERSION >= 34 */
}

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