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openmesh/src/Unittests/unittests_trimesh_iterators.hh
Jan Möbius 1b6bc573d1 unittest for FaceFaceIterators 
git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@416 fdac6126-5c0c-442c-9429-916003d36597
2011-10-07 16:02:09 +00:00

517 lines
18 KiB
C++
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#ifndef INCLUDE_UNITTESTS_TRIMESH_ITERATORS_HH
#define INCLUDE_UNITTESTS_TRIMESH_ITERATORS_HH
#include <gtest/gtest.h>
#include <Unittests/unittests_common.hh>
#include <iostream>
class OpenMeshIterators : 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 VertexIterator Test
*/
TEST_F(OpenMeshIterators, VertexIter) {
mesh_.clear();
// Add some vertices
Mesh::VertexHandle vhandle[4];
vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 0, 0));
vhandle[1] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
vhandle[2] = mesh_.add_vertex(Mesh::Point(1, 1, 0));
vhandle[3] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
// Add two faces
std::vector<Mesh::VertexHandle> face_vhandles;
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[0]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[3]);
mesh_.add_face(face_vhandles);
// Test setup:
// 1 === 2
// | / |
// | / |
// | / |
// 0 === 3
Mesh::VertexIter v_it=mesh_.vertices_begin();
Mesh::VertexIter v_end=mesh_.vertices_end();
EXPECT_EQ(0, v_it.handle().idx()) << "Index wrong for vertex iterator vertices_begin()";
++v_it;
EXPECT_EQ(1, v_it.handle().idx()) << "Index wrong in vertex iterator";
++v_it;
EXPECT_EQ(2, v_it.handle().idx()) << "Index wrong in vertex iterator";
++v_it;
EXPECT_EQ(3, v_it.handle().idx()) << "Index wrong in vertex iterator";
++v_it;
EXPECT_EQ(4, v_it.handle().idx()) << "Index wrong in vertex iterator";
// Check end iterator
EXPECT_EQ(4, v_end.handle().idx()) << "Index wrong in vertex iterator for vertices_end()";
}
/*
* Small EdgeIterator Test
*/
TEST_F(OpenMeshIterators, EdgeIter) {
mesh_.clear();
// Add some vertices
Mesh::VertexHandle vhandle[4];
vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 0, 0));
vhandle[1] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
vhandle[2] = mesh_.add_vertex(Mesh::Point(1, 1, 0));
vhandle[3] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
// Add two faces
std::vector<Mesh::VertexHandle> face_vhandles;
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[0]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[3]);
mesh_.add_face(face_vhandles);
// Test setup:
// 1 === 2
// | / |
// | / |
// | / |
// 0 === 3
Mesh::EdgeIter e_it = mesh_.edges_begin();
Mesh::EdgeIter e_end = mesh_.edges_end();
EXPECT_EQ(0, e_it.handle().idx()) << "Wrong start index in edge iterator";
EXPECT_EQ(5, e_end.handle().idx()) << "Wrong end index in edge iterator";
EXPECT_EQ(1, mesh_.to_vertex_handle(mesh_.halfedge_handle(e_it,0)).idx() ) << "1: Wrong to vertex handle of halfedge 0";
EXPECT_EQ(2, mesh_.from_vertex_handle(mesh_.halfedge_handle(e_it,0)).idx() ) << "1: Wrong from vertex handle of halfedge 0";
EXPECT_EQ(2, mesh_.to_vertex_handle(mesh_.halfedge_handle(e_it,1)).idx() ) << "1: Wrong to vertex handle of halfedge 1";
EXPECT_EQ(1, mesh_.from_vertex_handle(mesh_.halfedge_handle(e_it,1)).idx() ) << "1: Wrong from vertex handle of halfedge 1";
++e_it;
EXPECT_EQ(1, e_it.handle().idx()) << "Wrong index in edge iterator";
EXPECT_EQ(0, mesh_.to_vertex_handle(mesh_.halfedge_handle(e_it,0)).idx() ) << "2: Wrong to vertex handle of halfedge 0";
EXPECT_EQ(1, mesh_.from_vertex_handle(mesh_.halfedge_handle(e_it,0)).idx() ) << "2: Wrong from vertex handle of halfedge 0";
EXPECT_EQ(1, mesh_.to_vertex_handle(mesh_.halfedge_handle(e_it,1)).idx() ) << "2: Wrong to vertex handle of halfedge 1";
EXPECT_EQ(0, mesh_.from_vertex_handle(mesh_.halfedge_handle(e_it,1)).idx() ) << "2: Wrong from vertex handle of halfedge 1";
++e_it;
EXPECT_EQ(2, e_it.handle().idx()) << "Wrong index in edge iterator";
EXPECT_EQ(2, mesh_.to_vertex_handle(mesh_.halfedge_handle(e_it,0)).idx() ) << "3: Wrong to vertex handle of halfedge 0";
EXPECT_EQ(0, mesh_.from_vertex_handle(mesh_.halfedge_handle(e_it,0)).idx() ) << "3: Wrong from vertex handle of halfedge 0";
EXPECT_EQ(0, mesh_.to_vertex_handle(mesh_.halfedge_handle(e_it,1)).idx() ) << "3: Wrong to vertex handle of halfedge 1";
EXPECT_EQ(2, mesh_.from_vertex_handle(mesh_.halfedge_handle(e_it,1)).idx() ) << "3: Wrong from vertex handle of halfedge 1";
++e_it;
EXPECT_EQ(3, e_it.handle().idx()) << "Wrong index in edge iterator";
EXPECT_EQ(3, mesh_.to_vertex_handle(mesh_.halfedge_handle(e_it,0)).idx() ) << "4: Wrong to vertex handle of halfedge 0";
EXPECT_EQ(0, mesh_.from_vertex_handle(mesh_.halfedge_handle(e_it,0)).idx() ) << "4: Wrong from vertex handle of halfedge 0";
EXPECT_EQ(0, mesh_.to_vertex_handle(mesh_.halfedge_handle(e_it,1)).idx() ) << "4: Wrong to vertex handle of halfedge 1";
EXPECT_EQ(3, mesh_.from_vertex_handle(mesh_.halfedge_handle(e_it,1)).idx() ) << "4: Wrong from vertex handle of halfedge 1";
++e_it;
EXPECT_EQ(4, e_it.handle().idx()) << "Wrong index in edge iterator";
EXPECT_EQ(2, mesh_.to_vertex_handle(mesh_.halfedge_handle(e_it,0)).idx() ) << "5: Wrong to vertex handle of halfedge 0";
EXPECT_EQ(3, mesh_.from_vertex_handle(mesh_.halfedge_handle(e_it,0)).idx() ) << "5: Wrong from vertex handle of halfedge 0";
EXPECT_EQ(3, mesh_.to_vertex_handle(mesh_.halfedge_handle(e_it,1)).idx() ) << "5: Wrong to vertex handle of halfedge 1";
EXPECT_EQ(2, mesh_.from_vertex_handle(mesh_.halfedge_handle(e_it,1)).idx() ) << "5: Wrong from vertex handle of halfedge 1";
}
/*
* Small VertexFaceIterator Test with holes in it
*/
TEST_F(OpenMeshIterators, VertexFaceIterWithHoles) {
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.handle().idx() ) << "Index wrong in VertexFaceIter at initialization";
EXPECT_TRUE(vf_it) << "Iterator invalid in VertexFaceIter at initialization";
++vf_it ;
EXPECT_EQ(1, vf_it.handle().idx() ) << "Index wrong in VertexFaceIter at step 1";
EXPECT_TRUE(vf_it) << "Iterator invalid in VertexFaceIter at step 1";
++vf_it ;
EXPECT_EQ(-1, vf_it.handle().idx() ) << "Index wrong in VertexFaceIter at end";
EXPECT_FALSE(vf_it) << "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.handle().idx() ) << "Index wrong in ConstVertexFaceIter at initialization";
EXPECT_TRUE(cvf_it) << "Iterator invalid in ConstVertexFaceIter at initialization";
++cvf_it ;
EXPECT_EQ(1, cvf_it.handle().idx() ) << "Index wrong in ConstVertexFaceIter at step one";
EXPECT_TRUE(cvf_it) << "Iterator invalid in ConstVertexFaceIter at step one";
++cvf_it ;
EXPECT_EQ(-1, cvf_it.handle().idx() ) << "Index wrong in ConstVertexFaceIter at end";
EXPECT_FALSE(cvf_it) << "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(OpenMeshIterators, VertexFaceIterWithoutHoles) {
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::VertexFaceIter vfa_it = 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.handle().idx() ) << "Index wrong in VertexFaceIter at initialization";
EXPECT_TRUE(vf_it) << "Iterator invalid in VertexFaceIter at initialization";
++vf_it ;
EXPECT_EQ(1, vf_it.handle().idx() ) << "Index wrong in VertexFaceIter at step 1";
EXPECT_TRUE(vf_it) << "Iterator invalid in VertexFaceIter at step 1";
++vf_it ;
EXPECT_EQ(2, vf_it.handle().idx() ) << "Index wrong in VertexFaceIter at step 2";
EXPECT_TRUE(vf_it) << "Iterator invalid in VertexFaceIter at step 2";
++vf_it ;
EXPECT_EQ(0, vf_it.handle().idx() ) << "Index wrong in VertexFaceIter at step 3";
EXPECT_TRUE(vf_it) << "Iterator invalid in VertexFaceIter at step 3";
++vf_it ;
EXPECT_EQ(3, vf_it.handle().idx() ) << "Index wrong in VertexFaceIter at end";
EXPECT_FALSE(vf_it) << "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.handle().idx() ) << "Index wrong in ConstVertexFaceIter at initialization";
EXPECT_TRUE(cvf_it) << "Iterator invalid in ConstVertexFaceIter at initialization";
++cvf_it ;
EXPECT_EQ(1, cvf_it.handle().idx() ) << "Index wrong in ConstVertexFaceIter at step 1";
EXPECT_TRUE(cvf_it) << "Iterator invalid in ConstVertexFaceIter at step 1";
++cvf_it ;
EXPECT_EQ(2, cvf_it.handle().idx() ) << "Index wrong in ConstVertexFaceIter at step 2";
EXPECT_TRUE(cvf_it) << "Iterator invalid in ConstVertexFaceIter at step 2";
++cvf_it ;
EXPECT_EQ(0, cvf_it.handle().idx() ) << "Index wrong in ConstVertexFaceIter at step 3";
EXPECT_TRUE(cvf_it) << "Iterator invalid in ConstVertexFaceIter at step 3";
++cvf_it ;
EXPECT_EQ(3, cvf_it.handle().idx() ) << "Index wrong in ConstVertexFaceIter at end";
EXPECT_FALSE(cvf_it) << "Iterator not invalid in VertexFaceIter at end";
EXPECT_TRUE( cvf_it == cvf_end ) << "End iterator for ConstVertexFaceIter not matching";
}
/*
* Small FaceFaceIterator Test with holes in it
*/
TEST_F(OpenMeshIterators, FaceFaceIterWithHoles) {
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(3, 0, 0));
vhandle[4] = mesh_.add_vertex(Mesh::Point(4, 1, 0));
// Add three 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[2]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[3]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[4]);
mesh_.add_face(face_vhandles);
/* Test setup:
*
* 0 ------ 2 ------ 4
* \ / \ /
* \ 0 / \ 2 /
* \ / 1 \ /
* 1 ------- 3
*/
Mesh::FaceFaceIter ff_it = mesh_.ff_begin(mesh_.face_handle(1));
Mesh::FaceFaceIter ff_end = mesh_.ff_end(mesh_.face_handle(1));
EXPECT_EQ(2, ff_it.handle().idx() ) << "Index wrong in FaceFaceIter at initialization";
EXPECT_TRUE(ff_it) << "Iterator invalid in FaceFaceIter at initialization";
++ff_it;
EXPECT_EQ(0, ff_it.handle().idx() ) << "Index wrong in FaceFaceIter at step 1";
EXPECT_TRUE(ff_it) << "Iterator invalid in FaceFaceIter at step 1";
++ff_it;
EXPECT_EQ(2, ff_it.handle().idx() ) << "Index wrong in FaceFaceIter at end";
EXPECT_FALSE(ff_it) << "Iterator invalid in FaceFaceIter at end";
EXPECT_TRUE( ff_it == ff_end ) << "End iterator for FaceFaceIter not matching";
Mesh::ConstFaceFaceIter cff_it = mesh_.cff_begin(mesh_.face_handle(1));
Mesh::ConstFaceFaceIter cff_end = mesh_.cff_end(mesh_.face_handle(1));
EXPECT_EQ(2, cff_it.handle().idx() ) << "Index wrong in ConstFaceFaceIter at initialization";
EXPECT_TRUE(cff_it) << "Iterator invalid in ConstFaceFaceIter at initialization";
++cff_it;
EXPECT_EQ(0, cff_it.handle().idx() ) << "Index wrong in ConstFaceFaceIter at step 1";
EXPECT_TRUE(cff_it) << "Iterator invalid in ConstFaceFaceIter at step 1";
++cff_it;
EXPECT_EQ(2, cff_it.handle().idx() ) << "Index wrong in ConstFaceFaceIter at end";
EXPECT_FALSE(cff_it) << "Iterator invalid in ConstFaceFaceIter at end";
EXPECT_TRUE( cff_it == cff_end ) << "End iterator for ConstFaceFaceIter not matching";
}
/*
* Small FaceFaceIterator Test with holes in it
*/
TEST_F(OpenMeshIterators, FaceFaceIterWithoutHoles) {
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(3, 0, 0));
vhandle[4] = mesh_.add_vertex(Mesh::Point(4, 1, 0));
vhandle[5] = mesh_.add_vertex(Mesh::Point(2,-1, 0));
// Add three 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[2]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[3]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[2]);
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[1]);
face_vhandles.push_back(vhandle[5]);
face_vhandles.push_back(vhandle[3]);
mesh_.add_face(face_vhandles);
/* Test setup:
*
* 0 ------ 2 ------ 4
* \ / \ /
* \ 0 / \ 2 /
* \ / 1 \ /
* 1 ------- 3
* \ /
* \ 3 /
* \ /
* \ /
* 5
*/
Mesh::FaceFaceIter ff_it = mesh_.ff_begin(mesh_.face_handle(1));
Mesh::FaceFaceIter ff_end = mesh_.ff_end(mesh_.face_handle(1));
EXPECT_EQ(2, ff_it.handle().idx() ) << "Index wrong in FaceFaceIter at initialization";
EXPECT_TRUE(ff_it) << "Iterator invalid in FaceFaceIter at initialization";
++ff_it;
EXPECT_EQ(0, ff_it.handle().idx() ) << "Index wrong in FaceFaceIter at step 1";
EXPECT_TRUE(ff_it) << "Iterator invalid in FaceFaceIter at step 1";
++ff_it;
EXPECT_EQ(3, ff_it.handle().idx() ) << "Index wrong in FaceFaceIter at step 2";
EXPECT_TRUE(ff_it) << "Iterator invalid in FaceFaceIter at step 2";
++ff_it;
EXPECT_EQ(2, ff_it.handle().idx() ) << "Index wrong in FaceFaceIter at end";
EXPECT_FALSE(ff_it) << "Iterator invalid in FaceFaceIter at end";
EXPECT_TRUE( ff_it == ff_end ) << "End iterator for FaceFaceIter not matching";
Mesh::ConstFaceFaceIter cff_it = mesh_.cff_begin(mesh_.face_handle(1));
Mesh::ConstFaceFaceIter cff_end = mesh_.cff_end(mesh_.face_handle(1));
EXPECT_EQ(2, cff_it.handle().idx() ) << "Index wrong in ConstFaceFaceIter at initialization";
EXPECT_TRUE(cff_it) << "Iterator invalid in ConstFaceFaceIter at initialization";
++cff_it;
EXPECT_EQ(0, cff_it.handle().idx() ) << "Index wrong in ConstFaceFaceIter at step 1";
EXPECT_TRUE(cff_it) << "Iterator invalid in ConstFaceFaceIter at step 1";
++cff_it;
EXPECT_EQ(3, cff_it.handle().idx() ) << "Index wrong in ConstFaceFaceIter at step 2";
EXPECT_TRUE(cff_it) << "Iterator invalid in ConstFaceFaceIter at step 2";
++cff_it;
EXPECT_EQ(2, cff_it.handle().idx() ) << "Index wrong in ConstFaceFaceIter at end";
EXPECT_FALSE(cff_it) << "Iterator invalid in ConstFaceFaceIter at end";
EXPECT_TRUE( cff_it == cff_end ) << "End iterator for ConstFaceFaceIter not matching";
}
#endif // INCLUDE GUARD
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