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unittests_trimesh_circulator_current_halfedge_handle_replacement.cc
1
2 #include <gtest/gtest.h>
3 #include <Unittests/unittests_common.hh>
4
5 #include <iostream>
6
7 namespace {
8
9 class OpenMeshTrimeshCirculatorCurrentHalfedgeHandleReplacement : public OpenMeshBase {
10
11 protected:
12
13 // This function is called before each test is run
14 virtual void SetUp() {
15 }
16
17 // This function is called after all tests are through
18 virtual void TearDown() {
19
20 // Do some final stuff with the member data here...
21 }
22
23
24 // Member already defined in OpenMeshBase
25 //Mesh mesh_;
26 };
27
28 /*
29 * ====================================================================
30 * Define tests below
31 * ====================================================================
32 */
33
34
35 /*
36 * duplicate dereferencing behaviour
37 */
38 TEST_F(OpenMeshTrimeshCirculatorCurrentHalfedgeHandleReplacement, dereference) {
39
40 mesh_.clear();
41
42 // Add some vertices
43 Mesh::VertexHandle vhandle[5];
44
45 vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
46 vhandle[1] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
47 vhandle[2] = mesh_.add_vertex(Mesh::Point(2, 1, 0));
48 vhandle[3] = mesh_.add_vertex(Mesh::Point(0,-1, 0));
49 vhandle[4] = mesh_.add_vertex(Mesh::Point(2,-1, 0));
50
51 // Add two faces
52 std::vector<Mesh::VertexHandle> face_vhandles;
53
54 face_vhandles.push_back(vhandle[0]);
55 face_vhandles.push_back(vhandle[1]);
56 face_vhandles.push_back(vhandle[2]);
57 mesh_.add_face(face_vhandles);
58
59 face_vhandles.clear();
60
61 face_vhandles.push_back(vhandle[1]);
62 face_vhandles.push_back(vhandle[3]);
63 face_vhandles.push_back(vhandle[4]);
64 mesh_.add_face(face_vhandles);
65
66 face_vhandles.clear();
67
68 face_vhandles.push_back(vhandle[0]);
69 face_vhandles.push_back(vhandle[3]);
70 face_vhandles.push_back(vhandle[1]);
71 mesh_.add_face(face_vhandles);
72
73 face_vhandles.clear();
74
75 face_vhandles.push_back(vhandle[2]);
76 face_vhandles.push_back(vhandle[1]);
77 face_vhandles.push_back(vhandle[4]);
78 mesh_.add_face(face_vhandles);
79
80 /* Test setup:
81 0 ==== 2
82 |\ 0 /|
83 | \ / |
84 |2 1 3|
85 | / \ |
86 |/ 1 \|
87 3 ==== 4 */
88 // Starting vertex is 1->4
89
90 // output from fh_it.current_halfedge_handle()
91 int current_halfedge_handles[12] = {
92 4,0,2,10,6,8,1,12,7,14,3,11
93 };
94
95
96 size_t i(0);
97 for (Mesh::FaceIter f_it = mesh_.faces_begin(); f_it != mesh_.faces_end(); ++f_it) {
98 for (Mesh::FaceHalfedgeIter fh_it = mesh_.fh_iter(*f_it); fh_it.is_valid(); ++fh_it, ++i) {
99 EXPECT_EQ(current_halfedge_handles[i], fh_it->idx() ) << "halfedge handles don't match";
100 }
101 }
102 }
103
104 /*
105 * duplicate vv_iter behaviour
106 */
107 TEST_F(OpenMeshTrimeshCirculatorCurrentHalfedgeHandleReplacement, vv_iter) {
108
109 mesh_.clear();
110
111 // Add some vertices
112 Mesh::VertexHandle vhandle[5];
113
114 vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
115 vhandle[1] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
116 vhandle[2] = mesh_.add_vertex(Mesh::Point(2, 1, 0));
117 vhandle[3] = mesh_.add_vertex(Mesh::Point(0,-1, 0));
118 vhandle[4] = mesh_.add_vertex(Mesh::Point(2,-1, 0));
119
120 // Add two faces
121 std::vector<Mesh::VertexHandle> face_vhandles;
122
123 face_vhandles.push_back(vhandle[0]);
124 face_vhandles.push_back(vhandle[1]);
125 face_vhandles.push_back(vhandle[2]);
126 mesh_.add_face(face_vhandles);
127
128 face_vhandles.clear();
129
130 face_vhandles.push_back(vhandle[1]);
131 face_vhandles.push_back(vhandle[3]);
132 face_vhandles.push_back(vhandle[4]);
133 mesh_.add_face(face_vhandles);
134
135 face_vhandles.clear();
136
137 face_vhandles.push_back(vhandle[0]);
138 face_vhandles.push_back(vhandle[3]);
139 face_vhandles.push_back(vhandle[1]);
140 mesh_.add_face(face_vhandles);
141
142 face_vhandles.clear();
143
144 face_vhandles.push_back(vhandle[2]);
145 face_vhandles.push_back(vhandle[1]);
146 face_vhandles.push_back(vhandle[4]);
147 mesh_.add_face(face_vhandles);
148
149 /* Test setup:
150 0 ==== 2
151 |\ 0 /|
152 | \ / |
153 |2 1 3|
154 | / \ |
155 |/ 1 \|
156 3 ==== 4 */
157 // Starting vertex is 1->4
158
159 // output from vv_it.current_halfedge_handle()
160 size_t current_halfedge_handles[16] = {
161 5,
162 0,
163 12,
164 11,
165 6,
166 1,
167 2,
168 15,
169 3,
170 4,
171 13,
172 7,
173 8,
174 9,
175 10,
176 14
177 };
178
179 std::vector<Mesh::EdgeHandle> eh0;
180 std::vector<Mesh::EdgeHandle> eh1;
181 size_t i(0);
182 for (Mesh::VertexIter v_it = mesh_.vertices_begin(); v_it != mesh_.vertices_end(); ++v_it) {
183 for (Mesh::VertexVertexIter vv_it = mesh_.vv_iter(*v_it); vv_it.is_valid(); ++vv_it, ++i)
184 eh0.push_back(mesh_.edge_handle(Mesh::HalfedgeHandle(int(current_halfedge_handles[i]))));
185 }
186 for (Mesh::VertexIter v_it = mesh_.vertices_begin(); v_it != mesh_.vertices_end(); ++v_it) {
187 for (Mesh::VertexOHalfedgeIter voh_it = mesh_.voh_iter(*v_it); voh_it.is_valid(); ++voh_it)
188 eh1.push_back(mesh_.edge_handle(*voh_it));
189 }
190
191 EXPECT_EQ(eh0.size(), eh1.size()) << "size of vectors does not match";
192 for (size_t i = 0; i < eh0.size(); ++i)
193 EXPECT_EQ(eh0[i], eh1[i]) << "edge handles do not match";
194
195 }
196
197 /*
198 * duplicate fe_iter behaviour
199 */
200 TEST_F(OpenMeshTrimeshCirculatorCurrentHalfedgeHandleReplacement, fe_iter) {
201
202 mesh_.clear();
203
204 // Add some vertices
205 Mesh::VertexHandle vhandle[5];
206
207 vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
208 vhandle[1] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
209 vhandle[2] = mesh_.add_vertex(Mesh::Point(2, 1, 0));
210 vhandle[3] = mesh_.add_vertex(Mesh::Point(0,-1, 0));
211 vhandle[4] = mesh_.add_vertex(Mesh::Point(2,-1, 0));
212
213 // Add two faces
214 std::vector<Mesh::VertexHandle> face_vhandles;
215
216 face_vhandles.push_back(vhandle[0]);
217 face_vhandles.push_back(vhandle[1]);
218 face_vhandles.push_back(vhandle[2]);
219 mesh_.add_face(face_vhandles);
220
221 face_vhandles.clear();
222
223 face_vhandles.push_back(vhandle[1]);
224 face_vhandles.push_back(vhandle[3]);
225 face_vhandles.push_back(vhandle[4]);
226 mesh_.add_face(face_vhandles);
227
228 face_vhandles.clear();
229
230 face_vhandles.push_back(vhandle[0]);
231 face_vhandles.push_back(vhandle[3]);
232 face_vhandles.push_back(vhandle[1]);
233 mesh_.add_face(face_vhandles);
234
235 face_vhandles.clear();
236
237 face_vhandles.push_back(vhandle[2]);
238 face_vhandles.push_back(vhandle[1]);
239 face_vhandles.push_back(vhandle[4]);
240 mesh_.add_face(face_vhandles);
241
242 /* Test setup:
243 0 ==== 2
244 |\ 0 /|
245 | \ / |
246 |2 1 3|
247 | / \ |
248 |/ 1 \|
249 3 ==== 4 */
250 // Starting vertex is 1->4
251
252 // output from fe_it.current_halfedge_handle()
253 size_t current_halfedge_handles[12] = {
254 4,0,2,10,6,8,1,12,7,14,3,11
255 };
256
257 size_t i(0);
258
259 std::vector<Mesh::HalfedgeHandle> heh0;
260 std::vector<Mesh::HalfedgeHandle> heh1;
261
262 for (Mesh::FaceIter f_it = mesh_.faces_begin(); f_it != mesh_.faces_end(); ++f_it) {
263 for (Mesh::FaceEdgeIter fe_it = mesh_.fe_iter(*f_it); fe_it.is_valid(); ++fe_it, ++i) {
264 heh0.push_back(Mesh::HalfedgeHandle(int(current_halfedge_handles[i])));
265 }
266 }
267 for (Mesh::FaceIter f_it = mesh_.faces_begin(); f_it != mesh_.faces_end(); ++f_it) {
268 for (Mesh::FaceHalfedgeIter fh_it = mesh_.fh_iter(*f_it); fh_it.is_valid(); ++fh_it) {
269 heh1.push_back(*fh_it);
270 }
271 }
272
273 EXPECT_EQ(heh0.size(), heh1.size()) << "size of vectors does not match";
274 for (size_t i = 0; i < heh0.size(); ++i)
275 EXPECT_EQ(heh0[i], heh1[i]) << "halfedge handles do not match";
276
277 }
278
279 /*
280 * Small BoundaryVertexFaceIterator Test
281 */
282 TEST_F(OpenMeshTrimeshCirculatorCurrentHalfedgeHandleReplacement, vf_iter_boundary) {
283
284 mesh_.clear();
285
286 // Add some vertices
287 Mesh::VertexHandle vhandle[6];
288
289 vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
290 vhandle[1] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
291 vhandle[2] = mesh_.add_vertex(Mesh::Point(2, 1, 0));
292 vhandle[3] = mesh_.add_vertex(Mesh::Point(3, 0, 0));
293 vhandle[4] = mesh_.add_vertex(Mesh::Point(4, 1, 0));
294 vhandle[5] = mesh_.add_vertex(Mesh::Point(2,-1, 0));
295
296 // Add three faces
297 std::vector<Mesh::VertexHandle> face_vhandles;
298
299 face_vhandles.push_back(vhandle[0]);
300 face_vhandles.push_back(vhandle[1]);
301 face_vhandles.push_back(vhandle[2]);
302 mesh_.add_face(face_vhandles);
303
304 face_vhandles.clear();
305
306 face_vhandles.push_back(vhandle[2]);
307 face_vhandles.push_back(vhandle[3]);
308 face_vhandles.push_back(vhandle[4]);
309 mesh_.add_face(face_vhandles);
310
311 face_vhandles.clear();
312
313 face_vhandles.push_back(vhandle[1]);
314 face_vhandles.push_back(vhandle[5]);
315 face_vhandles.push_back(vhandle[3]);
316 mesh_.add_face(face_vhandles);
317
318 /* Test setup:
319 *
320 * 0 ------ 2 ------ 4
321 * \ / \ /
322 * \ 0 / \ 1 /
323 * \ / \ /
324 * 1 ------- 3
325 * \ /
326 * \ 2 /
327 * \ /
328 * \ /
329 * 5
330 */
331 size_t current_halfedge_handles[9] = {
332 0,2,12,4,6,8,16,10,14
333 };
334 std::vector<Mesh::FaceHandle> fh0;
335 std::vector<Mesh::FaceHandle> fh1;
336 size_t i(0);
337 for (Mesh::VertexIter v_it = mesh_.vertices_begin(); v_it != mesh_.vertices_end(); ++v_it) {
338 for (Mesh::VertexFaceIter vf_it = mesh_.vf_iter(*v_it); vf_it.is_valid(); ++vf_it, ++i)
339 fh0.push_back(mesh_.face_handle(Mesh::HalfedgeHandle(current_halfedge_handles[i])));
340 }
341 for (Mesh::VertexIter v_it = mesh_.vertices_begin(); v_it != mesh_.vertices_end(); ++v_it) {
342 for (Mesh::VertexFaceIter vf_it = mesh_.vf_iter(*v_it); vf_it.is_valid(); ++vf_it)
343 fh1.push_back(*vf_it);
344 }
345
346 EXPECT_EQ(fh0.size(), fh1.size()) << "size of vectors does not match";
347 for (size_t i = 0; i < fh0.size(); ++i)
348 EXPECT_EQ(fh0[i], fh1[i]) << "face handles do not match";
349 }
350
351 }
OpenMesh::PolyMeshT::FaceEdgeIter
Kernel::FaceEdgeIter FaceEdgeIter
Circulator.
Definition: PolyMeshT.hh:172
OpenMesh::PolyMeshT::VertexVertexIter
Kernel::VertexVertexIter VertexVertexIter
Circulator.
Definition: PolyMeshT.hh:165
OpenMeshBase
Definition: unittests_common.hh:21
OpenMesh::PolyMeshT::Point
Kernel::Point Point
Coordinate type.
Definition: PolyMeshT.hh:115
OpenMesh::PolyMeshT::add_vertex
VertexHandle add_vertex(const Point &_p)
Alias for new_vertex(const Point&).
Definition: PolyMeshT.hh:236
OpenMesh::PolyMeshT::VertexOHalfedgeIter
Kernel::VertexOHalfedgeIter VertexOHalfedgeIter
Circulator.
Definition: PolyMeshT.hh:166
OpenMesh::PolyMeshT::VertexHandle
Kernel::VertexHandle VertexHandle
Handle for referencing the corresponding item.
Definition: PolyMeshT.hh:139
OpenMesh::PolyMeshT::FaceHalfedgeIter
Kernel::FaceHalfedgeIter FaceHalfedgeIter
Circulator.
Definition: PolyMeshT.hh:171
OpenMesh::PolyMeshT::VertexFaceIter
Kernel::VertexFaceIter VertexFaceIter
Circulator.
Definition: PolyMeshT.hh:169