Files
openmesh/src/Unittests/unittests_trimesh_circulator_vertex_face.cc
2015-11-11 14:43:32 +01:00

595 lines
20 KiB
C++

#include <gtest/gtest.h>
#include <Unittests/unittests_common.hh>
#include <iostream>
#include <algorithm>
namespace {
class OpenMeshTrimeshCirculatorVertexFace : public OpenMeshBase {
protected:
// This function is called before each test is run
virtual void SetUp() {
}
// This function is called after all tests are through
virtual void TearDown() {
// Do some final stuff with the member data here...
}
// Member already defined in OpenMeshBase
//Mesh mesh_;
};
/*
* ====================================================================
* Define tests below
* ====================================================================
*/
/*
* Small VertexFaceIterator Test with holes in it
*
* WARNING!!! Basically this is an illegal configuration!
* But this way we can still detect if it breaks!
*/
TEST_F(OpenMeshTrimeshCirculatorVertexFace, VertexFaceIterWithHolesIncrement) {
mesh_.clear();
// Add some vertices
Mesh::VertexHandle vhandle[5];
vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
vhandle[1] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
vhandle[2] = mesh_.add_vertex(Mesh::Point(2, 1, 0));
vhandle[3] = mesh_.add_vertex(Mesh::Point(0,-1, 0));
vhandle[4] = mesh_.add_vertex(Mesh::Point(2,-1, 0));
// Add two faces
std::vector<Mesh::VertexHandle> face_vhandles;
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[2]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[4]);
mesh_.add_face(face_vhandles);
/* Test setup:
0 ==== 2
\ /
\ /
1
/ \
/ \
3 ==== 4 */
// Iterate around vertex 1 at the middle (with holes in between)
Mesh::VertexFaceIter vf_it = mesh_.vf_begin(vhandle[1]);
Mesh::VertexFaceIter vf_end = mesh_.vf_end(vhandle[1]);
EXPECT_EQ(0, vf_it->idx() ) << "Index wrong in VertexFaceIter at initialization";
EXPECT_TRUE(vf_it.is_valid()) << "Iterator invalid in VertexFaceIter at initialization";
++vf_it ;
EXPECT_EQ(1, vf_it->idx() ) << "Index wrong in VertexFaceIter at step 1";
EXPECT_TRUE(vf_it.is_valid()) << "Iterator invalid in VertexFaceIter at step 1";
++vf_it ;
EXPECT_FALSE(vf_it.is_valid() ) << "Index wrong in VertexFaceIter at end";
EXPECT_FALSE(vf_it.is_valid()) << "Iterator not invalid in VertexFaceIter at end";
EXPECT_TRUE( vf_it == vf_end ) << "End iterator for VertexFaceIter not matching";
// Iterate around vertex 1 at the middle (with holes in between) with const iterator
Mesh::ConstVertexFaceIter cvf_it = mesh_.cvf_begin(vhandle[1]);
Mesh::ConstVertexFaceIter cvf_end = mesh_.cvf_end(vhandle[1]);
EXPECT_EQ(0, cvf_it->idx() ) << "Index wrong in ConstVertexFaceIter at initialization";
EXPECT_TRUE(cvf_it.is_valid()) << "Iterator invalid in ConstVertexFaceIter at initialization";
++cvf_it ;
EXPECT_EQ(1, cvf_it->idx() ) << "Index wrong in ConstVertexFaceIter at step one";
EXPECT_TRUE(cvf_it.is_valid()) << "Iterator invalid in ConstVertexFaceIter at step one";
++cvf_it ;
EXPECT_FALSE(cvf_it.is_valid() ) << "Index wrong in ConstVertexFaceIter at end";
EXPECT_FALSE(cvf_it.is_valid()) << "Iterator not invalid in ConstVertexFaceIter at end";
EXPECT_TRUE( cvf_it == cvf_end ) << "End iterator for ConstVertexFaceIter not matching";
}
/*
* Small VertexFaceIterator Test without holes in it
*/
TEST_F(OpenMeshTrimeshCirculatorVertexFace, VertexFaceIterWithoutHolesIncrement) {
mesh_.clear();
// Add some vertices
Mesh::VertexHandle vhandle[5];
vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
vhandle[1] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
vhandle[2] = mesh_.add_vertex(Mesh::Point(2, 1, 0));
vhandle[3] = mesh_.add_vertex(Mesh::Point(0,-1, 0));
vhandle[4] = mesh_.add_vertex(Mesh::Point(2,-1, 0));
// Add two faces
std::vector<Mesh::VertexHandle> face_vhandles;
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[2]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[4]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[1]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[4]);
mesh_.add_face(face_vhandles);
/* Test setup:
0 ==== 2
|\ 0 /|
| \ / |
|2 1 3|
| / \ |
|/ 1 \|
3 ==== 4 */
mesh_.vf_begin(vhandle[1]);
// Iterate around vertex 1 at the middle (with holes in between)
Mesh::VertexFaceIter vf_it = mesh_.vf_begin(vhandle[1]);
Mesh::VertexFaceIter vf_end = mesh_.vf_end(vhandle[1]);
EXPECT_EQ(3, vf_it->idx() ) << "Index wrong in VertexFaceIter at initialization";
EXPECT_TRUE(vf_it.is_valid()) << "Iterator invalid in VertexFaceIter at initialization";
++vf_it ;
EXPECT_EQ(1, vf_it->idx() ) << "Index wrong in VertexFaceIter at step 1";
EXPECT_TRUE(vf_it.is_valid()) << "Iterator invalid in VertexFaceIter at step 1";
++vf_it ;
EXPECT_EQ(2, vf_it->idx() ) << "Index wrong in VertexFaceIter at step 2";
EXPECT_TRUE(vf_it.is_valid()) << "Iterator invalid in VertexFaceIter at step 2";
++vf_it ;
EXPECT_EQ(0, vf_it->idx() ) << "Index wrong in VertexFaceIter at step 3";
EXPECT_TRUE(vf_it.is_valid()) << "Iterator invalid in VertexFaceIter at step 3";
++vf_it ;
EXPECT_FALSE(vf_it.is_valid()) << "Iterator not invalid in VertexFaceIter at end";
EXPECT_TRUE( vf_it == vf_end ) << "End iterator for VertexFaceIter not matching";
// Iterate around vertex 1 at the middle (with holes in between) with const iterator
Mesh::ConstVertexFaceIter cvf_it = mesh_.cvf_begin(vhandle[1]);
Mesh::ConstVertexFaceIter cvf_end = mesh_.cvf_end(vhandle[1]);
EXPECT_EQ(3, cvf_it->idx() ) << "Index wrong in ConstVertexFaceIter at initialization";
EXPECT_TRUE(cvf_it.is_valid()) << "Iterator invalid in ConstVertexFaceIter at initialization";
++cvf_it ;
EXPECT_EQ(1, cvf_it->idx() ) << "Index wrong in ConstVertexFaceIter at step 1";
EXPECT_TRUE(cvf_it.is_valid()) << "Iterator invalid in ConstVertexFaceIter at step 1";
++cvf_it ;
EXPECT_EQ(2, cvf_it->idx() ) << "Index wrong in ConstVertexFaceIter at step 2";
EXPECT_TRUE(cvf_it.is_valid()) << "Iterator invalid in ConstVertexFaceIter at step 2";
++cvf_it ;
EXPECT_EQ(0, cvf_it->idx() ) << "Index wrong in ConstVertexFaceIter at step 3";
EXPECT_TRUE(cvf_it.is_valid()) << "Iterator invalid in ConstVertexFaceIter at step 3";
++cvf_it ;
EXPECT_FALSE(cvf_it.is_valid()) << "Iterator not invalid in VertexFaceIter at end";
EXPECT_TRUE( cvf_it == cvf_end ) << "End iterator for ConstVertexFaceIter not matching";
}
/*
* Small VertexFaceIterator Test at a boundary vertex
*/
TEST_F(OpenMeshTrimeshCirculatorVertexFace, VertexFaceIterBoundaryIncrement) {
mesh_.clear();
// Add some vertices
Mesh::VertexHandle vhandle[5];
vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
vhandle[1] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
vhandle[2] = mesh_.add_vertex(Mesh::Point(2, 1, 0));
vhandle[3] = mesh_.add_vertex(Mesh::Point(0,-1, 0));
vhandle[4] = mesh_.add_vertex(Mesh::Point(2,-1, 0));
// Add two faces
std::vector<Mesh::VertexHandle> face_vhandles;
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[2]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[4]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[1]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[4]);
mesh_.add_face(face_vhandles);
/* Test setup:
0 ==== 2
|\ 0 /|
| \ / |
|2 1 3|
| / \ |
|/ 1 \|
3 ==== 4 */
// Iterate around vertex 1 at the middle (with holes in between)
Mesh::VertexFaceIter vf_it = mesh_.vf_begin(vhandle[2]);
Mesh::VertexFaceIter vf_end = mesh_.vf_end(vhandle[2]);
EXPECT_EQ(3, vf_it->idx() ) << "Index wrong in VertexFaceIter at initialization";
EXPECT_TRUE(vf_it.is_valid()) << "Iterator invalid in VertexFaceIter at initialization";
++vf_it ;
EXPECT_EQ(0, vf_it->idx() ) << "Index wrong in VertexFaceIter at step 1";
EXPECT_TRUE(vf_it.is_valid()) << "Iterator invalid in VertexFaceIter at step 1";
++vf_it ;
EXPECT_FALSE(vf_it.is_valid()) << "Iterator invalid in VertexFaceIter at step 2";
EXPECT_TRUE( vf_it == vf_end ) << "End iterator for VertexFaceIter not matching";
}
/*
* Test if the end iterator stays invalid after one lap
* DISABLED as long as the normal iterators using old behavior
*/
//TEST_F(OpenMeshTrimeshCirculatorVertexFace, VertexFaceIterCheckInvalidationAtEnds) {
//
// mesh_.clear();
//
// // Add some vertices
// Mesh::VertexHandle vhandle[5];
//
// vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
// vhandle[1] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
// vhandle[2] = mesh_.add_vertex(Mesh::Point(2, 1, 0));
// vhandle[3] = mesh_.add_vertex(Mesh::Point(0,-1, 0));
// vhandle[4] = mesh_.add_vertex(Mesh::Point(2,-1, 0));
//
// // Add two faces
// std::vector<Mesh::VertexHandle> face_vhandles;
//
// face_vhandles.push_back(vhandle[0]);
// face_vhandles.push_back(vhandle[1]);
// face_vhandles.push_back(vhandle[2]);
// Mesh::FaceHandle fh0 = mesh_.add_face(face_vhandles);
//
// face_vhandles.clear();
//
// face_vhandles.push_back(vhandle[1]);
// face_vhandles.push_back(vhandle[3]);
// face_vhandles.push_back(vhandle[4]);
// mesh_.add_face(face_vhandles);
//
// face_vhandles.clear();
//
// face_vhandles.push_back(vhandle[0]);
// face_vhandles.push_back(vhandle[3]);
// face_vhandles.push_back(vhandle[1]);
// mesh_.add_face(face_vhandles);
//
// face_vhandles.clear();
//
// face_vhandles.push_back(vhandle[2]);
// face_vhandles.push_back(vhandle[1]);
// face_vhandles.push_back(vhandle[4]);
// mesh_.add_face(face_vhandles);
//
// /* Test setup:
// 0 ==== 2
// |\ 0 /|
// | \ / |
// |2 1 3|
// | / \ |
// |/ 1 \|
// 3 ==== 4 */
//
//
// // Check if the end iterator stays invalid after end
// Mesh::VertexFaceIter endIter = mesh_.vf_end(vhandle[1]);
// EXPECT_FALSE(endIter.is_valid()) << "EndIter is not invalid";
// ++endIter ;
// EXPECT_FALSE(endIter.is_valid()) << "EndIter is not invalid after increment";
//
// // Check if the end iterators becomes valid after decrement
// endIter = mesh_.vf_end(vhandle[1]);
// EXPECT_FALSE(endIter.is_valid()) << "EndIter is not invalid";
// --endIter;
// EXPECT_TRUE(endIter.is_valid()) << "EndIter is invalid after decrement";
// EXPECT_EQ(0,endIter->idx()) << "EndIter points on the wrong element";
//
//
// // Check if the start iterator decrement is invalid
// Mesh::VertexFaceIter startIter = mesh_.vf_begin(vhandle[1]);
// EXPECT_TRUE(startIter.is_valid()) << "StartIter is not valid";
// --startIter;
// EXPECT_FALSE(startIter.is_valid()) << "StartIter decrement is not invalid";
//
// // Check if the start iterator becomes valid
// ++startIter;
// EXPECT_TRUE(startIter.is_valid()) << "StarIter is invalid after re-incrementing";
// EXPECT_EQ(startIter->idx(), mesh_.vf_begin(vhandle[1])->idx()) << "StartIter points on the wrong element";
//
//}
/*
* VertexFaceIterator Test without holes testing decrement
* DISABLED as long as the normal iterators using old behavior
*/
//TEST_F(OpenMeshTrimeshCirculatorVertexFace, VertexFaceIterWithoutHolesDecrement) {
//
// mesh_.clear();
//
// // Add some vertices
// Mesh::VertexHandle vhandle[5];
//
// vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
// vhandle[1] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
// vhandle[2] = mesh_.add_vertex(Mesh::Point(2, 1, 0));
// vhandle[3] = mesh_.add_vertex(Mesh::Point(0,-1, 0));
// vhandle[4] = mesh_.add_vertex(Mesh::Point(2,-1, 0));
//
// // Add two faces
// std::vector<Mesh::VertexHandle> face_vhandles;
//
// face_vhandles.push_back(vhandle[0]);
// face_vhandles.push_back(vhandle[1]);
// face_vhandles.push_back(vhandle[2]);
// mesh_.add_face(face_vhandles);
//
// face_vhandles.clear();
//
// face_vhandles.push_back(vhandle[1]);
// face_vhandles.push_back(vhandle[3]);
// face_vhandles.push_back(vhandle[4]);
// mesh_.add_face(face_vhandles);
//
// face_vhandles.clear();
//
// face_vhandles.push_back(vhandle[0]);
// face_vhandles.push_back(vhandle[3]);
// face_vhandles.push_back(vhandle[1]);
// mesh_.add_face(face_vhandles);
//
// face_vhandles.clear();
//
// face_vhandles.push_back(vhandle[2]);
// face_vhandles.push_back(vhandle[1]);
// face_vhandles.push_back(vhandle[4]);
// mesh_.add_face(face_vhandles);
//
// /* Test setup:
// 0 ==== 2
// |\ 0 /|
// | \ / |
// |2 1 3|
// | / \ |
// |/ 1 \|
// 3 ==== 4 */
//
// mesh_.vf_begin(vhandle[1]);
//
// // Iterate around vertex 1 at the middle
// Mesh::VertexFaceIter vf_it = mesh_.vf_begin(vhandle[1]);
// std::advance(vf_it,3);
// Mesh::VertexFaceIter vf_end = mesh_.vf_begin(vhandle[1]);
// --vf_end;
//
// EXPECT_EQ(0, vf_it->idx() ) << "Index wrong in VertexFaceIter at initialization";
// EXPECT_TRUE(vf_it.is_valid()) << "Iterator invalid in VertexFaceIter at initialization";
// --vf_it ;
// EXPECT_EQ(2, vf_it->idx() ) << "Index wrong in VertexFaceIter at step 1";
// EXPECT_TRUE(vf_it.is_valid()) << "Iterator invalid in VertexFaceIter at step 1";
// --vf_it ;
// EXPECT_EQ(1, vf_it->idx() ) << "Index wrong in VertexFaceIter at step 2";
// EXPECT_TRUE(vf_it.is_valid()) << "Iterator invalid in VertexFaceIter at step 2";
// --vf_it ;
// EXPECT_EQ(3, vf_it->idx() ) << "Index wrong in VertexFaceIter at step 3";
// EXPECT_TRUE(vf_it.is_valid()) << "Iterator invalid in VertexFaceIter at step 3";
// --vf_it ;
// EXPECT_EQ(0, vf_it->idx() ) << "Index wrong in VertexFaceIter at end";
// EXPECT_FALSE(vf_it.is_valid()) << "Iterator invalid in VertexFaceIter at step 2";
// EXPECT_TRUE( vf_it == vf_end ) << "End iterator for VertexFaceIter not matching";
//
// // Iterate around vertex 1 at the middle with const iterator
// Mesh::ConstVertexFaceIter cvf_it = mesh_.cvf_begin(vhandle[1]);
// std::advance(cvf_it,3);
// Mesh::ConstVertexFaceIter cvf_end = mesh_.cvf_begin(vhandle[1]);
// --cvf_end;
//
// EXPECT_EQ(0, cvf_it->idx() ) << "Index wrong in ConstVertexFaceIter at initialization";
// EXPECT_TRUE(cvf_it.is_valid()) << "Iterator invalid in ConstVertexFaceIter at initialization";
// --cvf_it ;
// EXPECT_EQ(2, cvf_it->idx() ) << "Index wrong in ConstVertexFaceIter at step 1";
// EXPECT_TRUE(cvf_it.is_valid()) << "Iterator invalid in ConstVertexFaceIter at step 1";
// --cvf_it ;
// EXPECT_EQ(1, cvf_it->idx() ) << "Index wrong in ConstVertexFaceIter at step 2";
// EXPECT_TRUE(cvf_it.is_valid()) << "Iterator invalid in ConstVertexFaceIter at step 2";
// --cvf_it ;
// EXPECT_EQ(3, cvf_it->idx() ) << "Index wrong in ConstVertexFaceIter at step 3";
// EXPECT_TRUE(cvf_it.is_valid()) << "Iterator invalid in ConstVertexFaceIter at step 3";
// --cvf_it ;
// EXPECT_EQ(0, cvf_it->idx() ) << "Index wrong in ConstVertexFaceIter at end";
// EXPECT_FALSE(cvf_it.is_valid()) << "Iterator invalid in VertexFaceIter at step 2";
// EXPECT_TRUE( cvf_it == cvf_end ) << "End iterator for ConstVertexFaceIter not matching";
//
//}
/*
* Test CW and CCW iterators
*/
TEST_F(OpenMeshTrimeshCirculatorVertexFace, CWAndCCWCheck) {
mesh_.clear();
// Add some vertices
Mesh::VertexHandle vhandle[5];
vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
vhandle[1] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
vhandle[2] = mesh_.add_vertex(Mesh::Point(2, 1, 0));
vhandle[3] = mesh_.add_vertex(Mesh::Point(0,-1, 0));
vhandle[4] = mesh_.add_vertex(Mesh::Point(2,-1, 0));
// Add two faces
std::vector<Mesh::VertexHandle> face_vhandles;
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[2]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[4]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[1]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[4]);
mesh_.add_face(face_vhandles);
/* Test setup:
0 ==== 2
|\ 0 /|
| \ / |
|2 1 3|
| / \ |
|/ 1 \|
3 ==== 4 */
int indices[5] = {3, 0, 2, 1, 3};
int rev_indices[5];
std::reverse_copy(indices,indices+5,rev_indices);
Mesh::VertexHandle vh = vhandle[1];
//CCW
Mesh::VertexFaceCCWIter vf_ccwit = mesh_.vf_ccwbegin(vh);
Mesh::VertexFaceCCWIter vf_ccwend = mesh_.vf_ccwend(vh);
size_t i = 0;
for (;vf_ccwit != vf_ccwend; ++vf_ccwit, ++i)
{
EXPECT_EQ(indices[i], vf_ccwit->idx()) << "Index wrong in VertexFaceCCWIter";
}
EXPECT_FALSE(vf_ccwit.is_valid()) << "Iterator invalid in VertexFaceCCWIter at end";
EXPECT_TRUE( vf_ccwit == vf_ccwend ) << "End iterator for VertexFaceCCWIter not matching";
//constant CCW
Mesh::ConstVertexFaceCCWIter cvf_ccwit = mesh_.cvf_ccwbegin(vh);
Mesh::ConstVertexFaceCCWIter cvf_ccwend = mesh_.cvf_ccwend(vh);
i = 0;
for (;cvf_ccwit != cvf_ccwend; ++cvf_ccwit, ++i)
{
EXPECT_EQ(indices[i], cvf_ccwit->idx()) << "Index wrong in ConstVertexFaceCCWIter";
}
EXPECT_FALSE(cvf_ccwit.is_valid()) << "Iterator invalid in ConstVertexFaceCCWIter at end";
EXPECT_TRUE( cvf_ccwit == cvf_ccwend ) << "End iterator for ConstVertexFaceCCWIter not matching";
//CW
Mesh::VertexFaceCWIter vf_cwit = mesh_.vf_cwbegin(vh);
Mesh::VertexFaceCWIter vf_cwend = mesh_.vf_cwend(vh);
i = 0;
for (;vf_cwit != vf_cwend; ++vf_cwit, ++i)
{
EXPECT_EQ(rev_indices[i], vf_cwit->idx()) << "Index wrong in VertexFaceCWIter";
}
EXPECT_FALSE(vf_cwit.is_valid()) << "Iterator invalid in VertexFaceCWIter at end";
EXPECT_TRUE( vf_cwit == vf_cwend ) << "End iterator for VertexFaceCWIter not matching";
//constant CW
Mesh::ConstVertexFaceCWIter cvf_cwit = mesh_.cvf_cwbegin(vh);
Mesh::ConstVertexFaceCWIter cvf_cwend = mesh_.cvf_cwend(vh);
i = 0;
for (;cvf_cwit != cvf_cwend; ++cvf_cwit, ++i)
{
EXPECT_EQ(rev_indices[i], cvf_cwit->idx()) << "Index wrong in ConstVertexFaceCWIter";
}
EXPECT_FALSE(cvf_cwit.is_valid()) << "Iterator invalid in ConstVertexFaceCWIter at end";
EXPECT_TRUE( cvf_cwit == cvf_cwend ) << "End iterator for ConstVertexFaceCWIter not matching";
/*
* conversion properties:
* a) cw_begin == CWIter(ccw_begin())
* b) cw_iter->idx() == CCWIter(cw_iter)->idx() for valid iterators
* c) --cw_iter == CWIter(++ccwIter) for valid iterators
* d) cw_end == CWIter(ccw_end()) => --cw_end != CWIter(++ccw_end()) *
*/
Mesh::VertexFaceCWIter vf_cwIter = mesh_.vf_cwbegin(vh);
// a)
EXPECT_TRUE( vf_cwIter == Mesh::VertexFaceCWIter(mesh_.vf_ccwbegin(vh)) ) << "ccw to cw conversion failed";
EXPECT_TRUE( Mesh::VertexFaceCCWIter(vf_cwIter) == mesh_.vf_ccwbegin(vh) ) << "cw to ccw conversion failed";
// b)
EXPECT_EQ( vf_cwIter->idx(), Mesh::VertexFaceCCWIter(vf_cwIter)->idx()) << "iterators doesnt point on the same element";
// c)
++vf_cwIter;
vf_ccwend = mesh_.vf_ccwend(vh);
--vf_ccwend;
EXPECT_EQ(vf_cwIter->idx(),vf_ccwend->idx()) << "iteratoes are not equal after inc/dec";
// additional conversion check
vf_ccwend = Mesh::VertexFaceCCWIter(vf_cwIter);
EXPECT_EQ(vf_cwIter->idx(),vf_ccwend->idx())<< "iterators doesnt point on the same element";
// d)
vf_cwIter = Mesh::VertexFaceCWIter(mesh_.vf_ccwend(vh));
EXPECT_FALSE(vf_cwIter.is_valid()) << "end iterator is not invalid";
EXPECT_TRUE(Mesh::VertexFaceCCWIter(mesh_.vf_cwend(vh)) == mesh_.vf_ccwend(vh)) << "end iterators are not equal";
}
}