Developer Documentation

unittests_trimesh_circulator_vertex_ihalfedge.cc
1 #include <gtest/gtest.h>
2 #include <Unittests/unittests_common.hh>
3
4 #include <iostream>
5
6 namespace {
7
8 class OpenMeshTrimeshCirculatorVertexIHalfEdge : public OpenMeshBase {
9
10 protected:
11
12 // This function is called before each test is run
13 virtual void SetUp() {
14 }
15
16 // This function is called after all tests are through
17 virtual void TearDown() {
18
19 // Do some final stuff with the member data here...
20 }
21
22
23 // Member already defined in OpenMeshBase
24 //Mesh mesh_;
25 };
26
27 /*
28 * ====================================================================
29 * Define tests below
30 * ====================================================================
31 */
32
33
34 /*
35 * Small VertexFaceIterator Test without holes in it
36 */
37 TEST_F(OpenMeshTrimeshCirculatorVertexIHalfEdge, VertexIncomingHalfedgeWithoutHolesIncrement) {
38
39 mesh_.clear();
40
41 // Add some vertices
42 Mesh::VertexHandle vhandle[5];
43
44 vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
45 vhandle[1] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
46 vhandle[2] = mesh_.add_vertex(Mesh::Point(2, 1, 0));
47 vhandle[3] = mesh_.add_vertex(Mesh::Point(0,-1, 0));
48 vhandle[4] = mesh_.add_vertex(Mesh::Point(2,-1, 0));
49
50 // Add two faces
51 std::vector<Mesh::VertexHandle> face_vhandles;
52
53 face_vhandles.push_back(vhandle[0]);
54 face_vhandles.push_back(vhandle[1]);
55 face_vhandles.push_back(vhandle[2]);
56 mesh_.add_face(face_vhandles);
57
58 face_vhandles.clear();
59
60 face_vhandles.push_back(vhandle[1]);
61 face_vhandles.push_back(vhandle[3]);
62 face_vhandles.push_back(vhandle[4]);
63 mesh_.add_face(face_vhandles);
64
65 face_vhandles.clear();
66
67 face_vhandles.push_back(vhandle[0]);
68 face_vhandles.push_back(vhandle[3]);
69 face_vhandles.push_back(vhandle[1]);
70 mesh_.add_face(face_vhandles);
71
72 face_vhandles.clear();
73
74 face_vhandles.push_back(vhandle[2]);
75 face_vhandles.push_back(vhandle[1]);
76 face_vhandles.push_back(vhandle[4]);
77 mesh_.add_face(face_vhandles);
78
79 /* Test setup:
80 0 ==== 2
81 |\ 0 /|
82 | \ / |
83 |2 1 3|
84 | / \ |
85 |/ 1 \|
86 3 ==== 4 */
87 // Starting halfedge is 1->4
88
89 // Iterate around vertex 1 at the middle (with holes in between)
90 Mesh::VertexIHalfedgeIter vih_it = mesh_.vih_begin(vhandle[1]);
91 Mesh::VertexIHalfedgeIter vih_end = mesh_.vih_end(vhandle[1]);
92
93 EXPECT_EQ(10, vih_it->idx() ) << "Index wrong in VertexIHalfedgeIter begin at initialization";
94 EXPECT_EQ(10, vih_end->idx() ) << "Index wrong in VertexIHalfedgeIter end at initialization";
95 EXPECT_EQ(1, mesh_.face_handle(*vih_it).idx() ) << "Corresponding face Index wrong in VertexIHalfedgeIter begin at initialization";
96 EXPECT_TRUE(vih_it.is_valid()) << "Iterator invalid in VertexIHalfedgeIter at initialization";
97
98 ++vih_it ;
99
100 EXPECT_EQ(7, vih_it->idx() ) << "Index wrong in VertexIHalfedgeIter step 1";
101 EXPECT_EQ(2, mesh_.face_handle(*vih_it).idx() ) << "Corresponding face Index wrong in VertexIHalfedgeIter step 1";
102 EXPECT_TRUE(vih_it.is_valid()) << "Iterator invalid in VertexIHalfedgeIter at step 1";
103
104 ++vih_it ;
105
106 EXPECT_EQ(0, vih_it->idx() ) << "Index wrong in VertexIHalfedgeIter step 2";
107 EXPECT_EQ(0, mesh_.face_handle(*vih_it).idx() ) << "Corresponding face Index wrong in VertexIHalfedgeIter step 2";
108 EXPECT_TRUE(vih_it.is_valid()) << "Iterator invalid in VertexIHalfedgeIter at step 2";
109
110 ++vih_it ;
111
112 EXPECT_EQ(3, vih_it->idx() ) << "Index wrong in VertexIHalfedgeIter step 3";
113 EXPECT_EQ(3, mesh_.face_handle(*vih_it).idx() ) << "Corresponding face Index wrong in VertexIHalfedgeIter step 3";
114 EXPECT_TRUE(vih_it.is_valid()) << "Iterator invalid in VertexIHalfedgeIter at step 3";
115
116 ++vih_it ;
117
118 EXPECT_EQ(10, vih_it->idx() ) << "Index wrong in VertexIHalfedgeIter step 4";
119 EXPECT_EQ(1, mesh_.face_handle(*vih_it).idx() ) << "Corresponding face Index wrong in VertexIHalfedgeIter step 4";
120 EXPECT_FALSE(vih_it.is_valid()) << "Iterator still valid in VertexIHalfedgeIter at step 4";
121 EXPECT_TRUE( vih_it == vih_end ) << "Miss matched end iterator";
122
123
124 // Iterate around vertex 1 at the middle (with holes in between)
125 Mesh::ConstVertexIHalfedgeIter cvih_it = mesh_.cvih_begin(vhandle[1]);
126 Mesh::ConstVertexIHalfedgeIter cvoh_end = mesh_.cvih_end(vhandle[1]);
127
128 EXPECT_EQ(10, cvih_it->idx() ) << "Index wrong in ConstVertexIHalfedgeIter begin at initialization";
129 EXPECT_EQ(10, cvoh_end->idx() ) << "Index wrong in ConstVertexIHalfedgeIter end at initialization";
130 EXPECT_EQ(1, mesh_.face_handle(*cvih_it).idx() ) << "Corresponding face Index wrong in ConstVertexIHalfedgeIter begin at initialization";
131 EXPECT_TRUE(cvih_it.is_valid()) << "Iterator invalid in ConstVertexIHalfedgeIter at initialization";
132
133 ++cvih_it ;
134
135 EXPECT_EQ(7, cvih_it->idx() ) << "Index wrong in ConstVertexIHalfedgeIter step 1";
136 EXPECT_EQ(2, mesh_.face_handle(*cvih_it).idx() ) << "Corresponding face Index wrong in ConstVertexIHalfedgeIter step 1";
137 EXPECT_TRUE(cvih_it.is_valid()) << "Iterator invalid in ConstVertexIHalfedgeIter at step 1";
138
139 ++cvih_it ;
140
141 EXPECT_EQ(0, cvih_it->idx() ) << "Index wrong in ConstVertexIHalfedgeIter step 2";
142 EXPECT_EQ(0, mesh_.face_handle(*cvih_it).idx() ) << "Corresponding face Index wrong in ConstVertexIHalfedgeIter step 2";
143 EXPECT_TRUE(cvih_it.is_valid()) << "Iterator invalid in ConstVertexIHalfedgeIter at step 2";
144
145 ++cvih_it ;
146
147 EXPECT_EQ(3, cvih_it->idx() ) << "Index wrong in ConstVertexIHalfedgeIter step 3";
148 EXPECT_EQ(3, mesh_.face_handle(*cvih_it).idx() ) << "Corresponding face Index wrong in ConstVertexIHalfedgeIter step 3";
149 EXPECT_TRUE(cvih_it.is_valid()) << "Iterator invalid in ConstVertexIHalfedgeIter at step 3";
150
151 ++cvih_it ;
152
153 EXPECT_EQ(10, cvih_it->idx() ) << "Index wrong in ConstVertexIHalfedgeIter step 4";
154 EXPECT_EQ(1, mesh_.face_handle(*cvih_it).idx() ) << "Corresponding face Index wrong in ConstVertexIHalfedgeIter step 4";
155 EXPECT_FALSE(cvih_it.is_valid()) << "Iterator still valid in ConstVertexIHalfedgeIter at step 4";
156 EXPECT_TRUE( cvih_it == cvoh_end ) << "Miss matched end iterator";
157
158 }
159
160 /*
161 * Small VertexFaceOutgoingHalfedgeIterator Test
162 */
163 TEST_F(OpenMeshTrimeshCirculatorVertexIHalfEdge, VertexOIncomingHalfedgeBoundaryIncrement) {
164
165 mesh_.clear();
166
167 // Add some vertices
168 Mesh::VertexHandle vhandle[5];
169
170 vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
171 vhandle[1] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
172 vhandle[2] = mesh_.add_vertex(Mesh::Point(2, 1, 0));
173 vhandle[3] = mesh_.add_vertex(Mesh::Point(0,-1, 0));
174 vhandle[4] = mesh_.add_vertex(Mesh::Point(2,-1, 0));
175
176 // Add two faces
177 std::vector<Mesh::VertexHandle> face_vhandles;
178
179 face_vhandles.push_back(vhandle[0]);
180 face_vhandles.push_back(vhandle[1]);
181 face_vhandles.push_back(vhandle[2]);
182 mesh_.add_face(face_vhandles);
183
184 face_vhandles.clear();
185
186 face_vhandles.push_back(vhandle[1]);
187 face_vhandles.push_back(vhandle[3]);
188 face_vhandles.push_back(vhandle[4]);
189 mesh_.add_face(face_vhandles);
190
191 face_vhandles.clear();
192
193 face_vhandles.push_back(vhandle[0]);
194 face_vhandles.push_back(vhandle[3]);
195 face_vhandles.push_back(vhandle[1]);
196 mesh_.add_face(face_vhandles);
197
198 face_vhandles.clear();
199
200 face_vhandles.push_back(vhandle[2]);
201 face_vhandles.push_back(vhandle[1]);
202 face_vhandles.push_back(vhandle[4]);
203 mesh_.add_face(face_vhandles);
204
205 /* Test setup:
206 0 ==== 2
207 |\ 0 /|
208 | \ / |
209 |2 1 3|
210 | / \ |
211 |/ 1 \|
212 3 ==== 4 */
213 // Starting halfedge is 1->4
214
215
216 // Iterate around vertex 1 at the middle (with holes in between)
217 Mesh::VertexIHalfedgeIter vih_it = mesh_.vih_begin(vhandle[2]);
218 Mesh::VertexIHalfedgeIter vih_end = mesh_.vih_end(vhandle[2]);
219
220 EXPECT_EQ(14, vih_it->idx() ) << "Index wrong in VertexIHalfedgeIter begin at initialization";
221 EXPECT_EQ(14, vih_end->idx() ) << "Index wrong in VertexIHalfedgeIter end at initialization";
222 EXPECT_EQ(3, mesh_.face_handle(*vih_it).idx() ) << "Corresponding face Index wrong in VertexIHalfedgeIter begin at initialization";
223 EXPECT_TRUE(vih_it.is_valid()) << "Iterator invalid in VertexIHalfedgeIter at initialization";
224
225 ++vih_it ;
226
227 EXPECT_EQ(2, vih_it->idx() ) << "Index wrong in VertexIHalfedgeIter step 1";
228 EXPECT_EQ(0, mesh_.face_handle(*vih_it).idx() ) << "Corresponding face Index wrong in VertexIHalfedgeIter step 1";
229 EXPECT_TRUE(vih_it.is_valid()) << "Iterator invalid in VertexIHalfedgeIter at step 1";
230
231 ++vih_it ;
232
233 EXPECT_EQ(5, vih_it->idx() ) << "Index wrong in VertexIHalfedgeIter step 2";
234 EXPECT_EQ(-1, mesh_.face_handle(*vih_it).idx() ) << "Corresponding face Index wrong in VertexIHalfedgeIter step 2";
235 EXPECT_TRUE(vih_it.is_valid()) << "Iterator invalid in VertexIHalfedgeIter at step 2";
236
237 ++vih_it ;
238
239 EXPECT_EQ(14, vih_it->idx() ) << "Index wrong in VertexIHalfedgeIter step 3";
240 EXPECT_EQ(3, mesh_.face_handle(*vih_it).idx() ) << "Corresponding face Index wrong in VertexIHalfedgeIter step 3";
241 EXPECT_FALSE(vih_it.is_valid()) << "Iterator still valid in VertexIHalfedgeIter at step 3";
242 EXPECT_TRUE( vih_it == vih_end ) << "Miss matched end iterator";
243
244
245 }
246
247
248 /*
249 * Small Test to check dereferencing the iterator
250 * No real result
251 */
252 TEST_F(OpenMeshTrimeshCirculatorVertexIHalfEdge, VertexIncomingHalfedgeDereferenceIncrement) {
253
254 mesh_.clear();
255
256 // Add some vertices
257 Mesh::VertexHandle vhandle[5];
258
259 vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
260 vhandle[1] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
261 vhandle[2] = mesh_.add_vertex(Mesh::Point(2, 1, 0));
262 vhandle[3] = mesh_.add_vertex(Mesh::Point(0,-1, 0));
263 vhandle[4] = mesh_.add_vertex(Mesh::Point(2,-1, 0));
264
265 std::vector<Mesh::VertexHandle> face_vhandles;
266
267 face_vhandles.push_back(vhandle[0]);
268 face_vhandles.push_back(vhandle[1]);
269 face_vhandles.push_back(vhandle[2]);
270 mesh_.add_face(face_vhandles);
271
272 face_vhandles.clear();
273
274 face_vhandles.push_back(vhandle[1]);
275 face_vhandles.push_back(vhandle[3]);
276 face_vhandles.push_back(vhandle[4]);
277 mesh_.add_face(face_vhandles);
278
279 face_vhandles.clear();
280
281 face_vhandles.push_back(vhandle[0]);
282 face_vhandles.push_back(vhandle[3]);
283 face_vhandles.push_back(vhandle[1]);
284 mesh_.add_face(face_vhandles);
285
286 face_vhandles.clear();
287
288 face_vhandles.push_back(vhandle[2]);
289 face_vhandles.push_back(vhandle[1]);
290 face_vhandles.push_back(vhandle[4]);
291 mesh_.add_face(face_vhandles);
292
293 /* Test setup:
294 0 ==== 2
295 |\ 0 /|
296 | \ / |
297 |2 1 3|
298 | / \ |
299 |/ 1 \|
300 3 ==== 4 */
301
302 // Iterate around vertex 1 at the middle (with holes in between)
303 Mesh::VertexIHalfedgeIter vih_it = mesh_.vih_iter(vhandle[1]);
304
305 // TODO: If called without handle, it won't build
306 Mesh::EdgeHandle eh = mesh_.edge_handle(*vih_it);
307 Mesh::HalfedgeHandle heh = *vih_it;
308 Mesh::VertexHandle vh2 = mesh_.to_vertex_handle(*vih_it);
309
310 EXPECT_EQ(eh.idx() , 5 ) << "Wrong edge handle after dereferencing";
311 EXPECT_EQ(heh.idx() , 10 ) << "Wrong half edge handle after dereferencing";
312 EXPECT_EQ(vh2.idx() , 1 ) << "Wrong vertex handle after dereferencing";
313 }
314
315 /*
316 * Test if the end iterator stays invalid after one lap
317 * DISABLED as long as the normal iterators using old behavior
318 */
319 //TEST_F(OpenMeshTrimeshCirculatorVertexIHalfEdge, VertexIHalfEdgeIterCheckInvalidationAtEnds) {
320 //
321 // mesh_.clear();
322 //
323 // // Add some vertices
324 // Mesh::VertexHandle vhandle[5];
325 //
326 // vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
327 // vhandle[1] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
328 // vhandle[2] = mesh_.add_vertex(Mesh::Point(2, 1, 0));
329 // vhandle[3] = mesh_.add_vertex(Mesh::Point(0,-1, 0));
330 // vhandle[4] = mesh_.add_vertex(Mesh::Point(2,-1, 0));
331 //
332 // // Add two faces
333 // std::vector<Mesh::VertexHandle> face_vhandles;
334 //
335 // face_vhandles.push_back(vhandle[0]);
336 // face_vhandles.push_back(vhandle[1]);
337 // face_vhandles.push_back(vhandle[2]);
338 // Mesh::FaceHandle fh0 = mesh_.add_face(face_vhandles);
339 //
340 // face_vhandles.clear();
341 //
342 // face_vhandles.push_back(vhandle[1]);
343 // face_vhandles.push_back(vhandle[3]);
344 // face_vhandles.push_back(vhandle[4]);
345 // mesh_.add_face(face_vhandles);
346 //
347 // face_vhandles.clear();
348 //
349 // face_vhandles.push_back(vhandle[0]);
350 // face_vhandles.push_back(vhandle[3]);
351 // face_vhandles.push_back(vhandle[1]);
352 // mesh_.add_face(face_vhandles);
353 //
354 // face_vhandles.clear();
355 //
356 // face_vhandles.push_back(vhandle[2]);
357 // face_vhandles.push_back(vhandle[1]);
358 // face_vhandles.push_back(vhandle[4]);
359 // mesh_.add_face(face_vhandles);
360 //
361 // /* Test setup:
362 // 0 ==== 2
363 // |\ 0 /|
364 // | \ / |
365 // |2 1 3|
366 // | / \ |
367 // |/ 1 \|
368 // 3 ==== 4 */
369 //
370 //
371 // // Check if the end iterator stays invalid after end
372 // Mesh::VertexIHalfedgeIter endIter = mesh_.vih_end(vhandle[1]);
373 // EXPECT_FALSE(endIter.is_valid()) << "EndIter is not invalid";
374 // ++endIter ;
375 // EXPECT_FALSE(endIter.is_valid()) << "EndIter is not invalid after increment";
376 //
377 // // Check if the end iterators becomes valid after decrement
378 // endIter = mesh_.vih_end(vhandle[1]);
379 // EXPECT_FALSE(endIter.is_valid()) << "EndIter is not invalid";
380 // --endIter;
381 // EXPECT_TRUE(endIter.is_valid()) << "EndIter is invalid after decrement";
382 // EXPECT_EQ(3,endIter->idx()) << "EndIter points on the wrong element";
383 //
384 //
385 // // Check if the start iterator decrement is invalid
386 // Mesh::VertexIHalfedgeIter startIter = mesh_.vih_begin(vhandle[1]);
387 // EXPECT_TRUE(startIter.is_valid()) << "StartIter is not valid";
388 // --startIter;
389 // EXPECT_FALSE(startIter.is_valid()) << "StartIter decrement is not invalid";
390 //
391 // // Check if the start iterator becomes valid
392 // ++startIter;
393 // EXPECT_TRUE(startIter.is_valid()) << "StarIter is invalid after re-incrementing";
394 // EXPECT_EQ(startIter->idx(), mesh_.vih_begin(vhandle[1])->idx()) << "StartIter points on the wrong element";
395 //
396 //}
397
398 /*
399 * Test CW and CCW iterators
400 */
401 TEST_F(OpenMeshTrimeshCirculatorVertexIHalfEdge, CWAndCCWCheck) {
402
403 mesh_.clear();
404
405 // Add some vertices
406 Mesh::VertexHandle vhandle[5];
407
408 vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
409 vhandle[1] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
410 vhandle[2] = mesh_.add_vertex(Mesh::Point(2, 1, 0));
411 vhandle[3] = mesh_.add_vertex(Mesh::Point(0,-1, 0));
412 vhandle[4] = mesh_.add_vertex(Mesh::Point(2,-1, 0));
413
414 // Add two faces
415 std::vector<Mesh::VertexHandle> face_vhandles;
416
417 face_vhandles.push_back(vhandle[0]);
418 face_vhandles.push_back(vhandle[1]);
419 face_vhandles.push_back(vhandle[2]);
420 mesh_.add_face(face_vhandles);
421
422 face_vhandles.clear();
423
424 face_vhandles.push_back(vhandle[1]);
425 face_vhandles.push_back(vhandle[3]);
426 face_vhandles.push_back(vhandle[4]);
427 mesh_.add_face(face_vhandles);
428
429 face_vhandles.clear();
430
431 face_vhandles.push_back(vhandle[0]);
432 face_vhandles.push_back(vhandle[3]);
433 face_vhandles.push_back(vhandle[1]);
434 mesh_.add_face(face_vhandles);
435
436 face_vhandles.clear();
437
438 face_vhandles.push_back(vhandle[2]);
439 face_vhandles.push_back(vhandle[1]);
440 face_vhandles.push_back(vhandle[4]);
441 mesh_.add_face(face_vhandles);
442
443 /* Test setup:
444 0 ==== 2
445 |\ 0 /|
446 | \ / |
447 |2 1 3|
448 | / \ |
449 |/ 1 \|
450 3 ==== 4 */
451
452
453 int indices[4] = {14, 5, 2, 14};
454 int rev_indices[4];
455 std::reverse_copy(indices,indices+4,rev_indices);
456
457 Mesh::VertexHandle vh = vhandle[2];
458
459 //CCW
460 Mesh::VertexIHalfedgeCCWIter vih_ccwit = mesh_.vih_ccwbegin(vh);
461 Mesh::VertexIHalfedgeCCWIter vih_ccwend = mesh_.vih_ccwend(vh);
462 size_t i = 0;
463 for (;vih_ccwit != vih_ccwend; ++vih_ccwit, ++i)
464 {
465 EXPECT_EQ(indices[i], vih_ccwit->idx()) << "Index wrong in VertexIHalfedgeCCWIter";
466 }
467
468 EXPECT_FALSE(vih_ccwit.is_valid()) << "Iterator invalid in VertexIHalfedgeCCWIter at end";
469 EXPECT_TRUE( vih_ccwit == vih_ccwend ) << "End iterator for VertexIHalfedgeCCWIter not matching";
470
471 //constant CCW
472 Mesh::ConstVertexIHalfedgeCCWIter cvih_ccwit = mesh_.cvih_ccwbegin(vh);
473 Mesh::ConstVertexIHalfedgeCCWIter cvih_ccwend = mesh_.cvih_ccwend(vh);
474 i = 0;
475 for (;cvih_ccwit != cvih_ccwend; ++cvih_ccwit, ++i)
476 {
477 EXPECT_EQ(indices[i], cvih_ccwit->idx()) << "Index wrong in ConstVertexIHalfedgeCCWIter";
478 }
479
480 EXPECT_FALSE(cvih_ccwit.is_valid()) << "Iterator invalid in ConstVertexIHalfedgeCCWIter at end";
481 EXPECT_TRUE( cvih_ccwit == cvih_ccwend ) << "End iterator for ConstVertexIHalfedgeCCWIter not matching";
482
483 //CW
484 Mesh::VertexIHalfedgeCWIter vih_cwit = mesh_.vih_cwbegin(vh);
485 Mesh::VertexIHalfedgeCWIter vih_cwend = mesh_.vih_cwend(vh);
486 i = 0;
487 for (;vih_cwit != vih_cwend; ++vih_cwit, ++i)
488 {
489 EXPECT_EQ(rev_indices[i], vih_cwit->idx()) << "Index wrong in VertexIHalfedgeCWIter";
490 }
491 EXPECT_FALSE(vih_cwit.is_valid()) << "Iterator invalid in VertexIHalfedgeCWIter at end";
492 EXPECT_TRUE( vih_cwit == vih_cwend ) << "End iterator for VertexIHalfedgeCWIter not matching";
493
494 //constant CW
495 Mesh::ConstVertexIHalfedgeCWIter cvih_cwit = mesh_.cvih_cwbegin(vh);
496 Mesh::ConstVertexIHalfedgeCWIter cvih_cwend = mesh_.cvih_cwend(vh);
497 i = 0;
498 for (;cvih_cwit != cvih_cwend; ++cvih_cwit, ++i)
499 {
500 EXPECT_EQ(rev_indices[i], cvih_cwit->idx()) << "Index wrong in ConstVertexIHalfedgeCWIter";
501 }
502 EXPECT_FALSE(cvih_cwit.is_valid()) << "Iterator invalid in ConstVertexIHalfedgeCWIter at end";
503 EXPECT_TRUE( cvih_cwit == cvih_cwend ) << "End iterator for ConstVertexIHalfedgeCWIter not matching";
504
505 /*
506 * conversion properties:
507 * a) cw_begin == CWIter(ccw_begin())
508 * b) cw_iter->idx() == CCWIter(cw_iter)->idx() for valid iterators
509 * c) --cw_iter == CWIter(++ccwIter) for valid iterators
510 * d) cw_end == CWIter(ccw_end()) => --cw_end != CWIter(++ccw_end()) *
511 */
512 Mesh::VertexIHalfedgeCWIter vih_cwIter = mesh_.vih_cwbegin(vh);
513 // a)
514 EXPECT_TRUE( vih_cwIter == Mesh::VertexIHalfedgeCWIter(mesh_.vih_ccwbegin(vh)) ) << "ccw to cw conversion failed";
515 EXPECT_TRUE( Mesh::VertexIHalfedgeCCWIter(vih_cwIter) == mesh_.vih_ccwbegin(vh) ) << "cw to ccw conversion failed";
516 // b)
517 EXPECT_EQ( vih_cwIter->idx(), Mesh::VertexIHalfedgeCCWIter(vih_cwIter)->idx()) << "iterators doesnt point on the same element";
518 // c)
519 ++vih_cwIter;
520 vih_ccwend = mesh_.vih_ccwend(vh);
521 --vih_ccwend;
522 EXPECT_EQ(vih_cwIter->idx(),vih_ccwend->idx()) << "iteratoes are not equal after inc/dec";
523 // additional conversion check
524 vih_ccwend = Mesh::VertexIHalfedgeCCWIter(vih_cwIter);
525 EXPECT_EQ(vih_cwIter->idx(),vih_ccwend->idx())<< "iterators doesnt point on the same element";
526 // d)
527 vih_cwIter = Mesh::VertexIHalfedgeCWIter(mesh_.vih_ccwend(vh));
528 EXPECT_FALSE(vih_cwIter.is_valid()) << "end iterator is not invalid";
529 EXPECT_TRUE(Mesh::VertexIHalfedgeCCWIter(mesh_.vih_cwend(vh)) == mesh_.vih_ccwend(vh)) << "end iterators are not equal";
530
531
532 }
533
534
535 }
OpenMesh::PolyMeshT::VertexIHalfedgeIter
Kernel::VertexIHalfedgeIter VertexIHalfedgeIter
Circulator.
Definition: PolyMeshT.hh:164
OpenMesh::PolyMeshT::Point
Kernel::Point Point
Coordinate type.
Definition: PolyMeshT.hh:112
OpenMesh::PolyMeshT::add_vertex
VertexHandle add_vertex(const Point &_p)
Alias for new_vertex(const Point&).
Definition: PolyMeshT.hh:235
OpenMesh::PolyMeshT::VertexHandle
Kernel::VertexHandle VertexHandle
Handle for referencing the corresponding item.
Definition: PolyMeshT.hh:136
OpenMeshBase
Definition: unittests_common.hh:26
OpenMesh::PolyMeshT::ConstVertexIHalfedgeIter
Kernel::ConstVertexIHalfedgeIter ConstVertexIHalfedgeIter
Circulator.
Definition: PolyMeshT.hh:174