PostGIS  2.5.0dev-r@@SVN_REVISION@@

◆ test_modification()

static void test_modification ( void  )

Definition at line 108 of file cu_iterator.c.

References inputs, LW_PARSER_CHECK_NONE, lwgeom_free(), lwgeom_from_wkt(), lwgeom_has_m(), lwgeom_has_z(), lwpointiterator_create(), lwpointiterator_create_rw(), lwpointiterator_destroy(), lwpointiterator_has_next(), lwpointiterator_modify_next(), lwpointiterator_next(), POINT4D::m, POINT4D::x, POINT4D::y, and POINT4D::z.

Referenced by iterator_suite_setup().

109 {
110  uint32_t i;
111  uint32_t j = 0;
113  for (i = 0; i < sizeof(inputs)/sizeof(char*); i++)
114  {
119  while (lwpointiterator_has_next(it1))
120  {
121  /* Make up a coordinate, assign it to the next spot in it1,
122  * read it from it2 to verify that it was assigned correctly. */
123  POINT4D p1, p2;
124  p1.x = sqrt(j++);
125  p1.y = sqrt(j++);
126  p1.z = sqrt(j++);
127  p1.m = sqrt(j++);
129  CU_ASSERT_TRUE(lwpointiterator_modify_next(it1, &p1));
130  CU_ASSERT_TRUE(lwpointiterator_next(it2, &p2));
132  CU_ASSERT_EQUAL(p1.x, p2.x);
133  CU_ASSERT_EQUAL(p1.y, p2.y);
135  if (lwgeom_has_z(input))
136  CU_ASSERT_EQUAL(p1.z, p2.z);
138  if (lwgeom_has_m(input))
139  CU_ASSERT_EQUAL(p1.m, p2.m);
140  }
142  lwgeom_free(input);
146  }
147 }
double x
Definition: liblwgeom.h:354
double m
Definition: liblwgeom.h:354
int lwpointiterator_next(LWPOINTITERATOR *s, POINT4D *p)
Attempts to assign the next point in the iterator to p, and advances the iterator to the next point...
Definition: lwiterator.c:212
int lwpointiterator_modify_next(LWPOINTITERATOR *s, const POINT4D *p)
Attempts to replace the next point int the iterator with p, and advances the iterator to the next poi...
Definition: lwiterator.c:226
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1144
LWPOINTITERATOR * lwpointiterator_create_rw(LWGEOM *g)
Create a new LWPOINTITERATOR over supplied LWGEOM* Supports modification of coordinates during iterat...
Definition: lwiterator.c:253
LWGEOM * lwgeom_from_wkt(const char *wkt, const char check)
Definition: lwin_wkt.c:904
int lwgeom_has_z(const LWGEOM *geom)
Return LW_TRUE if geometry has Z ordinates.
Definition: lwgeom.c:930
LWPOINTITERATOR * lwpointiterator_create(const LWGEOM *g)
Create a new LWPOINTITERATOR over supplied LWGEOM*.
Definition: lwiterator.c:244
unsigned int uint32_t
Definition: uthash.h:78
Definition: liblwgeom.h:2004
int lwpointiterator_has_next(LWPOINTITERATOR *s)
Returns LW_TRUE if there is another point available in the iterator.
Definition: lwiterator.c:204
void lwpointiterator_destroy(LWPOINTITERATOR *s)
Free all memory associated with the iterator.
Definition: lwiterator.c:269
char * inputs[]
Definition: cu_iterator.c:17
double z
Definition: liblwgeom.h:354
double y
Definition: liblwgeom.h:354
int lwgeom_has_m(const LWGEOM *geom)
Return LW_TRUE if geometry has M ordinates.
Definition: lwgeom.c:937
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