PostGIS 3.0.6dev-r@@SVN_REVISION@@
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◆ triangle_parse()

void triangle_parse ( void  )

Definition at line 14 of file cu_surface.c.

15{
16 LWGEOM *geom;
17 GSERIALIZED *g;
18 char *tmp;
19
20 cu_error_msg_reset(); /* Because i don't trust that much prior tests... ;) */
21
22 /* 2 dims */
23 geom = lwgeom_from_wkt("TRIANGLE((0 1,2 3,4 5,0 1))", LW_PARSER_CHECK_NONE);
24 CU_ASSERT_EQUAL(strlen(cu_error_msg), 0);
25 CU_ASSERT_EQUAL(geom->type, TRIANGLETYPE);
26 tmp = lwgeom_to_ewkt(geom);
27 CU_ASSERT_STRING_EQUAL("TRIANGLE((0 1,2 3,4 5,0 1))", tmp);
28 lwfree(tmp);
29 lwgeom_free(geom);
30 /* 3DM */
31 geom = lwgeom_from_wkt("TRIANGLEM((0 1 2,3 4 5,6 7 8,0 1 2))", LW_PARSER_CHECK_NONE);
32 CU_ASSERT_EQUAL(strlen(cu_error_msg), 0);
33 CU_ASSERT_EQUAL(geom->type, TRIANGLETYPE);
34 tmp = lwgeom_to_ewkt(geom);
35 CU_ASSERT_STRING_EQUAL("TRIANGLEM((0 1 2,3 4 5,6 7 8,0 1 2))", tmp);
36 lwfree(tmp);
37 lwgeom_free(geom);
38
39 /* ERROR: a missing Z values */
40 geom = lwgeom_from_wkt("TRIANGLE((0 1 2,3 4 5,6 7,0 1 2))", LW_PARSER_CHECK_NONE);
41 CU_ASSERT_STRING_EQUAL("can not mix dimensionality in a geometry", cu_error_msg);
42 cu_error_msg_reset();
43 lwgeom_free(geom);
44
45 /* ERROR: non closed rings */
46 geom = lwgeom_from_wkt("TRIANGLE((0 1 2,3 4 5,6 7 8,0 0 2))", LW_PARSER_CHECK_NONE);
47 CU_ASSERT_STRING_EQUAL("geometry contains non-closed rings", cu_error_msg);
48 cu_error_msg_reset();
49 lwgeom_free(geom);
50
51 /* ERROR: non closed face in Z dim */
52 geom = lwgeom_from_wkt("TRIANGLE((0 1 2,3 4 5,6 7 8,0 1 3))", LW_PARSER_CHECK_NONE);
53 CU_ASSERT_STRING_EQUAL("geometry contains non-closed rings", cu_error_msg);
54 cu_error_msg_reset();
55 lwgeom_free(geom);
56
57 /* ERROR: non closed face in Z dim, with a 4D geom */
58 geom = lwgeom_from_wkt("TRIANGLE((0 1 2 3,4 5 6 7,8 9 10 11,0 1 3 3))", LW_PARSER_CHECK_NONE);
59 CU_ASSERT_STRING_EQUAL("geometry contains non-closed rings", cu_error_msg);
60 cu_error_msg_reset();
61 lwgeom_free(geom);
62
63 /* ERROR: only 3 points in a face */
64 geom = lwgeom_from_wkt("TRIANGLE((0 1 2,3 4 5,0 1 2))", LW_PARSER_CHECK_NONE);
65 CU_ASSERT_STRING_EQUAL("triangle must have exactly 4 points", cu_error_msg);
66 cu_error_msg_reset();
67 lwgeom_free(geom);
68
69 /* ERROR: more than 4 points in a face */
70 geom = lwgeom_from_wkt("TRIANGLE((0 1 2,3 4 5,6 7 8,9 10 11,0 1 2))", LW_PARSER_CHECK_NONE);
71 CU_ASSERT_STRING_EQUAL("triangle must have exactly 4 points", cu_error_msg);
72 cu_error_msg_reset();
73 lwgeom_free(geom);
74
75 /* ERROR: no interior rings allowed */
76 geom = lwgeom_from_wkt("TRIANGLE((0 1 2,3 4 5,6 7 8,0 1 2),(9 10 11,12 13 14,15 16 17,9 10 11)", LW_PARSER_CHECK_NONE);
77 CU_ASSERT_STRING_EQUAL("parse error - invalid geometry", cu_error_msg);
78 cu_error_msg_reset();
79 lwgeom_free(geom);
80
81 /* EMPTY face */
82 geom = lwgeom_from_wkt("TRIANGLE EMPTY", LW_PARSER_CHECK_NONE);
83 CU_ASSERT_EQUAL(strlen(cu_error_msg), 0);
84 CU_ASSERT_EQUAL(geom->type, TRIANGLETYPE);
85 tmp = lwgeom_to_wkt(geom, LW_PARSER_CHECK_NONE, 0, 0);
86 CU_ASSERT_STRING_EQUAL("TRIANGLE EMPTY", tmp);
87 lwfree(tmp);
88 lwgeom_free(geom);
89
90 /* explicit SRID */
91 geom = lwgeom_from_wkt("SRID=4326;TRIANGLE((0 1 2,3 4 5,6 7 8,0 1 2))", LW_PARSER_CHECK_NONE);
92 CU_ASSERT_EQUAL(strlen(cu_error_msg), 0);
93 CU_ASSERT_EQUAL(geom->type, TRIANGLETYPE);
94 CU_ASSERT_EQUAL(geom->srid, 4326);
95 tmp = lwgeom_to_ewkt(geom);
96 CU_ASSERT_STRING_EQUAL("SRID=4326;TRIANGLE((0 1 2,3 4 5,6 7 8,0 1 2))", tmp);
97 lwfree(tmp);
98 lwgeom_free(geom);
99
100 /* geography support */
101 geom = lwgeom_from_wkt("TRIANGLE((0 1 2,3 4 5,6 7 8,0 1 2))", LW_PARSER_CHECK_NONE);
102 g = gserialized_from_lwgeom(geom, 0);
103 CU_ASSERT_EQUAL(gserialized_get_type(g), TRIANGLETYPE);
104 lwgeom_free(geom);
105 lwfree(g);
106}
gserialized_from_lwgeom
GSERIALIZED * gserialized_from_lwgeom(LWGEOM *geom, size_t *size)
Allocate a new GSERIALIZED from an LWGEOM.
Definition gserialized.c:222
gserialized_get_type
uint32_t gserialized_get_type(const GSERIALIZED *g)
Extract the geometry type from the serialized form (it hides in the anonymous data area,...
Definition gserialized.c:89
cu_error_msg_reset
void cu_error_msg_reset()
Definition liblwgeom/cunit/cu_tester.c:304
cu_error_msg
char cu_error_msg[MAX_CUNIT_ERROR_LENGTH+1]
Definition liblwgeom/cunit/cu_tester.c:19
lwgeom_free
void lwgeom_free(LWGEOM *geom)
Definition lwgeom.c:1138
LW_PARSER_CHECK_NONE
#define LW_PARSER_CHECK_NONE
Definition liblwgeom.h:2060
lwgeom_to_wkt
char * lwgeom_to_wkt(const LWGEOM *geom, uint8_t variant, int precision, size_t *size_out)
WKT emitter function.
Definition lwout_wkt.c:676
lwgeom_to_ewkt
char * lwgeom_to_ewkt(const LWGEOM *lwgeom)
Return an alloced string.
Definition lwgeom.c:547
lwfree
void lwfree(void *mem)
Definition lwutil.c:242
TRIANGLETYPE
#define TRIANGLETYPE
Definition liblwgeom.h:129
lwgeom_from_wkt
LWGEOM * lwgeom_from_wkt(const char *wkt, const char check)
Definition lwin_wkt.c:905
LWGEOM::type
uint8_t type
Definition liblwgeom.h:448
LWGEOM::srid
int32_t srid
Definition liblwgeom.h:446

References cu_error_msg, cu_error_msg_reset(), gserialized_from_lwgeom(), gserialized_get_type(), LW_PARSER_CHECK_NONE, lwfree(), lwgeom_free(), lwgeom_from_wkt(), lwgeom_to_ewkt(), lwgeom_to_wkt(), LWGEOM::srid, TRIANGLETYPE, and LWGEOM::type.

Referenced by surface_suite_setup().

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