PostGIS 3.7.0dev-r@@SVN_REVISION@@
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cu_wrapx.c
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1/**********************************************************************
2 *
3 * PostGIS - Spatial Types for PostgreSQL
4 * http://postgis.net
5 *
6 * Copyright (C) 2016 Sandro Santilli <strk@kbt.io>
7 *
8 * This is free software; you can redistribute and/or modify it under
9 * the terms of the GNU General Public Licence. See the COPYING file.
10 *
11 **********************************************************************/
12
13#include "CUnit/Basic.h"
14#include "cu_tester.h"
15
16#include "liblwgeom.h"
17#include "liblwgeom_internal.h"
18#include "../lwgeom_geos.h"
19
20static void test_lwgeom_wrapx(void)
21{
22 LWGEOM *geom, *ret, *tmp, *tmp2;
23 char *exp_wkt, *obt_wkt;
24
25 geom = lwgeom_from_wkt(
26 "POLYGON EMPTY",
27 LW_PARSER_CHECK_NONE);
28 CU_ASSERT_FATAL(geom != NULL);
29 ret = lwgeom_wrapx(geom, 0, 20);
30 CU_ASSERT_FATAL(ret != NULL);
31 obt_wkt = lwgeom_to_ewkt(ret);
32 exp_wkt = "POLYGON EMPTY";
33 ASSERT_STRING_EQUAL(obt_wkt, exp_wkt);
34 lwfree(obt_wkt);
35 lwgeom_free(ret);
36 lwgeom_free(geom);
37
38 geom = lwgeom_from_wkt(
39 "POINT(0 0)",
40 LW_PARSER_CHECK_NONE);
41 CU_ASSERT_FATAL(geom != NULL);
42 ret = lwgeom_wrapx(geom, 2, 10);
43 CU_ASSERT_FATAL(ret != NULL);
44 obt_wkt = lwgeom_to_ewkt(ret);
45 exp_wkt = "POINT(10 0)";
46 ASSERT_STRING_EQUAL(obt_wkt, exp_wkt);
47 lwfree(obt_wkt);
48 lwgeom_free(ret);
49 lwgeom_free(geom);
50
51 geom = lwgeom_from_wkt(
52 "POINT(0 0)",
53 LW_PARSER_CHECK_NONE);
54 CU_ASSERT_FATAL(geom != NULL);
55 ret = lwgeom_wrapx(geom, 0, 20);
56 CU_ASSERT_FATAL(ret != NULL);
57 obt_wkt = lwgeom_to_ewkt(ret);
58 exp_wkt = "POINT(0 0)";
59 ASSERT_STRING_EQUAL(obt_wkt, exp_wkt);
60 lwfree(obt_wkt);
61 lwgeom_free(ret);
62 lwgeom_free(geom);
63
64 geom = lwgeom_from_wkt(
65 "POINT(0 0)",
66 LW_PARSER_CHECK_NONE);
67 CU_ASSERT_FATAL(geom != NULL);
68 ret = lwgeom_wrapx(geom, 0, -20);
69 CU_ASSERT_FATAL(ret != NULL);
70 obt_wkt = lwgeom_to_ewkt(ret);
71 exp_wkt = "POINT(0 0)";
72 ASSERT_STRING_EQUAL(obt_wkt, exp_wkt);
73 lwfree(obt_wkt);
74 lwgeom_free(ret);
75 lwgeom_free(geom);
76
77 geom = lwgeom_from_wkt(
78 "LINESTRING(0 0,10 0)",
79 LW_PARSER_CHECK_NONE);
80 CU_ASSERT_FATAL(geom != NULL);
81 tmp = lwgeom_wrapx(geom, 8, -10);
82 ret = lwgeom_normalize(tmp);
83 lwgeom_free(tmp);
84 CU_ASSERT_FATAL(ret != NULL);
85 obt_wkt = lwgeom_to_ewkt(ret);
86 tmp = lwgeom_from_wkt(
87 "MULTILINESTRING((0 0,8 0),(-2 0,0 0))",
88 LW_PARSER_CHECK_NONE);
89 tmp2 = lwgeom_normalize(tmp);
90 lwgeom_free(tmp);
91 exp_wkt = lwgeom_to_ewkt(tmp2);
92 lwgeom_free(tmp2);
93 ASSERT_STRING_EQUAL(obt_wkt, exp_wkt);
94 lwfree(obt_wkt);
95 lwfree(exp_wkt);
96 lwgeom_free(ret);
97 lwgeom_free(geom);
98
99 geom = lwgeom_from_wkt(
100 "MULTILINESTRING((-5 -2,0 0),(0 0,10 10))",
101 LW_PARSER_CHECK_NONE);
102 CU_ASSERT_FATAL(geom != NULL);
103 tmp = lwgeom_wrapx(geom, 0, 20);
104 ret = lwgeom_normalize(tmp);
105 lwgeom_free(tmp);
106 CU_ASSERT_FATAL(ret != NULL);
107 obt_wkt = lwgeom_to_ewkt(ret);
108 tmp = lwgeom_from_wkt("MULTILINESTRING((15 -2,20 0),(0 0,10 10))", LW_PARSER_CHECK_NONE);
109 tmp2 = lwgeom_normalize(tmp);
110 lwgeom_free(tmp);
111 exp_wkt = lwgeom_to_ewkt(tmp2);
112 lwgeom_free(tmp2);
113 ASSERT_STRING_EQUAL(obt_wkt, exp_wkt);
114 lwfree(obt_wkt);
115 lwfree(exp_wkt);
116 lwgeom_free(ret);
117 lwgeom_free(geom);
118
119 geom = lwgeom_from_wkt(
120 "MULTIPOLYGON("
121 " ((0 0,10 0,10 10,0 10,0 0),(2 2,4 2,4 4,2 4,2 2)),"
122 " ((0 11,10 11,10 21,0 21,0 11),(2 13,4 13,4 15,2 15,2 13))"
123 ")",
124 LW_PARSER_CHECK_NONE);
125 CU_ASSERT_FATAL(geom != NULL);
126 tmp = lwgeom_wrapx(geom, 2, 20);
127 ret = lwgeom_normalize(tmp);
128 lwgeom_free(tmp);
129 CU_ASSERT_FATAL(ret != NULL);
130 obt_wkt = lwgeom_to_ewkt(ret);
131 tmp = lwgeom_from_wkt("GEOMETRYCOLLECTION("
132 "MULTIPOLYGON("
133 "((22 0,20 0,20 10,22 10,22 4,22 2,22 0)),"
134 "((2 10,10 10,10 0,2 0,2 2,4 2,4 4,2 4,2 10))"
135 "),"
136 "MULTIPOLYGON("
137 "((22 11,20 11,20 21,22 21,22 15,22 13,22 11)),"
138 "((2 21,10 21,10 11,2 11,2 13,4 13,4 15,2 15,2 21))"
139 ")"
140 ")",
141 LW_PARSER_CHECK_NONE);
142 tmp2 = lwgeom_normalize(tmp);
143 lwgeom_free(tmp);
144 exp_wkt = lwgeom_to_ewkt(tmp2);
145 lwgeom_free(tmp2);
146 ASSERT_STRING_EQUAL(obt_wkt, exp_wkt);
147 lwfree(obt_wkt);
148 lwfree(exp_wkt);
149 lwgeom_free(ret);
150 lwgeom_free(geom);
151
152 geom = lwgeom_from_wkt(
153 "GEOMETRYCOLLECTION("
154 " MULTILINESTRING((-5 -2,0 0),(0 0,10 10)),"
155 " POINT(-5 0),"
156 " POLYGON EMPTY"
157 ")",
158 LW_PARSER_CHECK_NONE);
159 CU_ASSERT_FATAL(geom != NULL);
160 tmp = lwgeom_wrapx(geom, 0, 20);
161 ret = lwgeom_normalize(tmp);
162 lwgeom_free(tmp);
163 CU_ASSERT_FATAL(ret != NULL);
164 obt_wkt = lwgeom_to_ewkt(ret);
165 tmp = lwgeom_from_wkt(
166 "GEOMETRYCOLLECTION("
167 "MULTILINESTRING((15 -2,20 0),(0 0,10 10)),"
168 "POINT(15 0),"
169 "POLYGON EMPTY"
170 ")",
171 LW_PARSER_CHECK_NONE);
172 tmp2 = lwgeom_normalize(tmp);
173 lwgeom_free(tmp);
174 exp_wkt = lwgeom_to_ewkt(tmp2);
175 lwgeom_free(tmp2);
176 ASSERT_STRING_EQUAL(obt_wkt, exp_wkt);
177 lwfree(obt_wkt);
178 lwfree(exp_wkt);
179 lwgeom_free(ret);
180 lwgeom_free(geom);
181}
182
183static int
184clean_geos_wrapx_suite(void)
185{
186 finishGEOS();
187 return 0;
188}
189
190/*
191** Used by test harness to register the tests in this file.
192*/
193void wrapx_suite_setup(void);
194void wrapx_suite_setup(void)
195{
196 CU_pSuite suite = CU_add_suite("wrapx", NULL, clean_geos_wrapx_suite);
197 PG_ADD_TEST(suite, test_lwgeom_wrapx);
198}
wrapx_suite_setup
void wrapx_suite_setup(void)
Definition cu_wrapx.c:194
clean_geos_wrapx_suite
static int clean_geos_wrapx_suite(void)
Definition cu_wrapx.c:184
test_lwgeom_wrapx
static void test_lwgeom_wrapx(void)
Definition cu_wrapx.c:20
PG_ADD_TEST
#define PG_ADD_TEST(suite, testfunc)
Definition liblwgeom/cunit/cu_tester.h:21
ASSERT_STRING_EQUAL
#define ASSERT_STRING_EQUAL(o, e)
Definition liblwgeom/cunit/cu_tester.h:94
lwgeom_free
void lwgeom_free(LWGEOM *geom)
Definition lwgeom.c:1246
LW_PARSER_CHECK_NONE
#define LW_PARSER_CHECK_NONE
Definition liblwgeom.h:2149
lwgeom_normalize
LWGEOM * lwgeom_normalize(const LWGEOM *geom)
Definition liblwgeom/lwgeom_geos.c:661
lwgeom_to_ewkt
char * lwgeom_to_ewkt(const LWGEOM *lwgeom)
Return an allocated string.
Definition lwgeom.c:593
lwfree
void lwfree(void *mem)
Definition lwutil.c:248
lwgeom_wrapx
LWGEOM * lwgeom_wrapx(const LWGEOM *lwgeom, double cutx, double amount)
wrap geometry on given cut x value
Definition lwgeom_wrapx.c:169
lwgeom_from_wkt
LWGEOM * lwgeom_from_wkt(const char *wkt, const char check)
Definition lwin_wkt.c:940
liblwgeom.h
This library is the generic geometry handling section of PostGIS.
liblwgeom_internal.h
cu_tester.h