test_lwgeom_make_valid()

static void test_lwgeom_make_valid ( void  )

static

Definition at line 42 of file cu_clean.c.

{
        LWGEOM *gin, *gout, *gexp;
        char *ewkt;
 
        /* Because i don't trust that much prior tests...  ;) */
        cu_error_msg_reset();
 
        gin = lwgeom_from_wkt(
"MULTIPOLYGON(((1725063 4819121, 1725104 4819067, 1725060 4819087, 1725064.14183882 4819094.70208557,1725064.13656044 4819094.70235069,1725064.14210359 4819094.70227252,1725064.14210362 4819094.70227252,1725064.13656043 4819094.70235069,1725055. 4819094, 1725055 4819094, 1725055 4819094, 1725063 4819121)))",
                LW_PARSER_CHECK_NONE);
        CU_ASSERT(gin != NULL);
 
        gout = lwgeom_make_valid(gin);
 
        /* We're really only interested in avoiding a crash in here.
         * See http://trac.osgeo.org/postgis/ticket/1738
         * TODO: enhance the test if we find a workaround
         *       to the excepion:
         * See http://trac.osgeo.org/postgis/ticket/1735
         */
 
        lwgeom_free(gout);
        lwgeom_free(gin);
 
  /* Test for http://trac.osgeo.org/postgis/ticket/2307 */
 
  gin = lwgeom_from_hexwkb("0106000020E6100000010000000103000000010000000A0000004B7DA956B99844C0DB0790FE8B4D1DC010BA74A9AF9444C049AFFC5B8C4D1DC03FC6CC690D9844C0DD67E5628C4D1DC07117B56B0D9844C0C80ABA67C45E1DC0839166ABAF9444C0387D4568C45E1DC010BA74A9AF9444C049AFFC5B8C4D1DC040C3CD74169444C0362EC0608C4D1DC07C1A3B77169444C0DC3ADB40B2641DC03AAE5F68B99844C0242948DEB1641DC04B7DA956B99844C0DB0790FE8B4D1DC0", LW_PARSER_CHECK_NONE);
        CU_ASSERT(gin != NULL);
 
        gout = lwgeom_make_valid(gin);
        CU_ASSERT(gout != NULL);
        lwgeom_free(gin);
 
        /* We're really only interested in avoiding memory problems.
   * Convertion to ewkt ensures full scan of coordinates thus
   * triggering the error, if any
   */
        ewkt = lwgeom_to_ewkt(gout);
        lwgeom_free(gout);
        lwfree(ewkt);
 
 
        /* Test collection */
 
        gin = lwgeom_from_wkt(
"GEOMETRYCOLLECTION(LINESTRING(0 0, 0 0), POLYGON((0 0, 10 10, 10 0, 0 10, 0 0)), LINESTRING(10 0, 10 10))",
                LW_PARSER_CHECK_NONE);
        CU_ASSERT(gin != NULL);
 
        gout = lwgeom_make_valid(gin);
        CU_ASSERT(gout != NULL);
 
        ewkt = lwgeom_to_ewkt(gout);
        /* printf("c = %s\n", ewkt); */
        /*
         TODO: This doesn't work on windows returns in different order.
         strk figure out why. For now will replace with normalized version
        */
/*      CU_ASSERT_STRING_EQUAL(ewkt,
"GEOMETRYCOLLECTION(POINT(0 0),MULTIPOLYGON(((5 5,0 0,0 10,5 5)),((5 5,10 10,10 0,5 5))),LINESTRING(10 0,10 10))");*/
        gexp = lwgeom_from_wkt(
"GEOMETRYCOLLECTION(MULTIPOLYGON(((5 5,10 10,10 0,5 5)),((0 0,0 10,5 5,0 0))),LINESTRING(10 0,10 10),POINT(0 0))",
                LW_PARSER_CHECK_NONE);
        check_geom_equal(gout, gexp);
        lwfree(ewkt);
 
        lwgeom_free(gout);
        lwgeom_free(gin);
        lwgeom_free(gexp);
 
        /* Test multipoint */
 
        gin = lwgeom_from_wkt(
"MULTIPOINT(0 0,1 1,2 2)",
                LW_PARSER_CHECK_NONE);
        CU_ASSERT(gin != NULL);
 
        gout = lwgeom_make_valid(gin);
        CU_ASSERT(gout != NULL);
 
        ewkt = lwgeom_to_ewkt(gout);
        /* printf("c = %s\n", ewkt); */
        CU_ASSERT_STRING_EQUAL(ewkt,
"MULTIPOINT(0 0,1 1,2 2)");
        lwfree(ewkt);
 
        lwgeom_free(gout);
        lwgeom_free(gin);
 
        /* Test unclosed polygon */
 
        gin = lwgeom_from_hexwkb(
"0103000000010000000400000000000000000024400000000000003640000000000000244000000000000040400000000000003440000000000000404000000000000034400000000000003640",
                LW_PARSER_CHECK_NONE);
        CU_ASSERT(gin != NULL);
 
        gout = lwgeom_make_valid(gin);
        CU_ASSERT(gout != NULL);
 
        ewkt = lwgeom_to_ewkt(gout);
        /* printf("c = %s\n", ewkt); */
        CU_ASSERT_STRING_EQUAL(ewkt,
"POLYGON((10 22,10 32,20 32,20 22,10 22))");
        lwfree(ewkt);
 
        lwgeom_free(gout);
        lwgeom_free(gin);
}

References check_geom_equal, cu_error_msg_reset(), LW_PARSER_CHECK_NONE, lwfree(), lwgeom_free(), lwgeom_from_hexwkb(), lwgeom_from_wkt(), lwgeom_make_valid(), and lwgeom_to_ewkt().

Referenced by clean_suite_setup().

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