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◆ test_lwline_split_by_point_to()

static void test_lwline_split_by_point_to ( void  )
static

Definition at line 20 of file cu_split.c.

21 {
22  LWLINE *line;
23  LWPOINT *point;
24  LWMLINE *coll;
25  int ret;
26 
27  /* Because i don't trust that much prior tests... ;) */
28  cu_error_msg_reset();
29 
30  coll = lwmline_construct_empty(SRID_UNKNOWN, 0, 0);
31  CU_ASSERT_EQUAL(coll->ngeoms, 0);
32 
33  line = lwgeom_as_lwline(lwgeom_from_wkt("LINESTRING(0 0,5 5, 10 0)",
34  LW_PARSER_CHECK_NONE));
35  CU_ASSERT(line != NULL);
36 
37  point = lwgeom_as_lwpoint(lwgeom_from_wkt(
38  "POINT(0 0)",
39  LW_PARSER_CHECK_NONE));
40  ret = lwline_split_by_point_to(line, point, coll);
41  CU_ASSERT_EQUAL(ret, 1);
42  CU_ASSERT_EQUAL(coll->ngeoms, 0);
43  lwpoint_free(point);
44 
45  point = lwgeom_as_lwpoint(lwgeom_from_wkt(
46  "POINT(10 0)",
47  LW_PARSER_CHECK_NONE));
48  ret = lwline_split_by_point_to(line, point, coll);
49  CU_ASSERT_EQUAL(ret, 1);
50  CU_ASSERT_EQUAL(coll->ngeoms, 0);
51  lwpoint_free(point);
52 
53  point = lwgeom_as_lwpoint(lwgeom_from_wkt(
54  "POINT(5 0)",
55  LW_PARSER_CHECK_NONE));
56  ret = lwline_split_by_point_to(line, point, coll);
57  CU_ASSERT_EQUAL(ret, 0);
58  CU_ASSERT_EQUAL(coll->ngeoms, 0);
59  lwpoint_free(point);
60 
61  point = lwgeom_as_lwpoint(lwgeom_from_wkt(
62  "POINT(5 5)",
63  LW_PARSER_CHECK_NONE));
64  ret = lwline_split_by_point_to(line, point, coll);
65  CU_ASSERT_EQUAL(ret, 2);
66  CU_ASSERT_EQUAL(coll->ngeoms, 2);
67  lwpoint_free(point);
68 
69  point = lwgeom_as_lwpoint(lwgeom_from_wkt(
70  "POINT(2 2)",
71  LW_PARSER_CHECK_NONE));
72  ret = lwline_split_by_point_to(line, point, coll);
73  CU_ASSERT_EQUAL(ret, 2);
74  CU_ASSERT_EQUAL(coll->ngeoms, 4);
75  lwpoint_free(point);
76 
77  lwline_free(line);
78 
79  line = lwgeom_as_lwline(lwgeom_from_wkt("LINESTRING EMPTY",
80  LW_PARSER_CHECK_NONE));
81  CU_ASSERT(line != NULL);
82  point = lwgeom_as_lwpoint(lwgeom_from_wkt(
83  "POINT(0 0)", LW_PARSER_CHECK_NONE));
84  CU_ASSERT(point != NULL);
85  ret = lwline_split_by_point_to(line, point, coll);
86  CU_ASSERT_EQUAL(ret, 0); /* the point is not on the line */
87  lwpoint_free(point);
88  lwline_free(line);
89 
90  lwcollection_free((LWCOLLECTION*)coll);
91 }
cu_error_msg_reset
void cu_error_msg_reset()
Definition: liblwgeom/cunit/cu_tester.c:301
lwgeom_as_lwline
LWLINE * lwgeom_as_lwline(const LWGEOM *lwgeom)
Definition: lwgeom.c:170
lwpoint_free
void lwpoint_free(LWPOINT *pt)
Definition: lwpoint.c:213
LW_PARSER_CHECK_NONE
#define LW_PARSER_CHECK_NONE
Definition: liblwgeom.h:2005
lwmline_construct_empty
LWMLINE * lwmline_construct_empty(int srid, char hasz, char hasm)
Definition: lwmline.c:38
lwgeom_as_lwpoint
LWPOINT * lwgeom_as_lwpoint(const LWGEOM *lwgeom)
Definition: lwgeom.c:161
lwcollection_free
void lwcollection_free(LWCOLLECTION *col)
Definition: lwcollection.c:356
lwgeom_from_wkt
LWGEOM * lwgeom_from_wkt(const char *wkt, const char check)
Definition: lwin_wkt.c:904
SRID_UNKNOWN
#define SRID_UNKNOWN
Unknown SRID value.
Definition: liblwgeom.h:188
lwline_free
void lwline_free(LWLINE *line)
Definition: lwline.c:76
lwline_split_by_point_to
int lwline_split_by_point_to(const LWLINE *ln, const LWPOINT *pt, LWMLINE *to)
Split a line by a point and push components to the provided multiline.
Definition: lwgeom_geos_split.c:209
LWMLINE::ngeoms
uint32_t ngeoms
Definition: liblwgeom.h:484

References cu_error_msg_reset(), LW_PARSER_CHECK_NONE, lwcollection_free(), lwgeom_as_lwline(), lwgeom_as_lwpoint(), lwgeom_from_wkt(), lwline_free(), lwline_split_by_point_to(), lwmline_construct_empty(), lwpoint_free(), LWMLINE::ngeoms, and SRID_UNKNOWN.

Referenced by split_suite_setup().

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