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Added unittest to check halfedge iterator skipping and not skipping

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git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@833 fdac6126-5c0c-442c-9429-916003d36597
This commit is contained in:
Jan Möbius
2013-06-05 12:54:52 +00:00
parent e0e39aeb52
commit c99b3fb5b2
1 changed files with 200 additions and 0 deletions
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200
src/Unittests/unittests_trimesh_iterators.hh
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@@ -227,6 +227,206 @@ TEST_F(OpenMeshIterators, EdgeIter) {
}
/* Adds a cube to a trimesh and runs over all halfedges
*/
TEST_F(OpenMeshIterators, HalfedgeIterSkipping) {
mesh_.clear();
// Add some vertices
Mesh::VertexHandle vhandle[8];
vhandle[0] = mesh_.add_vertex(Mesh::Point(-1, -1, 1));
vhandle[1] = mesh_.add_vertex(Mesh::Point( 1, -1, 1));
vhandle[2] = mesh_.add_vertex(Mesh::Point( 1, 1, 1));
vhandle[3] = mesh_.add_vertex(Mesh::Point(-1, 1, 1));
vhandle[4] = mesh_.add_vertex(Mesh::Point(-1, -1, -1));
vhandle[5] = mesh_.add_vertex(Mesh::Point( 1, -1, -1));
vhandle[6] = mesh_.add_vertex(Mesh::Point( 1, 1, -1));
vhandle[7] = mesh_.add_vertex(Mesh::Point(-1, 1, -1));
// Add six faces to form a cube
std::vector<Mesh::VertexHandle> face_vhandles;
face_vhandles.clear();
face_vhandles.push_back(vhandle[0]);
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[1]);
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[3]);
mesh_.add_face(face_vhandles);
//=======================
face_vhandles.clear();
face_vhandles.push_back(vhandle[7]);
face_vhandles.push_back(vhandle[6]);
face_vhandles.push_back(vhandle[5]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[7]);
face_vhandles.push_back(vhandle[5]);
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[0]);
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[4]);
face_vhandles.push_back(vhandle[5]);
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[5]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[5]);
face_vhandles.push_back(vhandle[6]);
mesh_.add_face(face_vhandles);
//=======================
face_vhandles.clear();
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[6]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[6]);
face_vhandles.push_back(vhandle[7]);
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[7]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[7]);
face_vhandles.push_back(vhandle[4]);
mesh_.add_face(face_vhandles);
// Test setup:
//
//
// 3 ======== 2
// / /|
// / / | z
// 0 ======== 1 | |
// | | | | y
// | 7 | 6 | /
// | | / | /
// | |/ |/
// 4 ======== 5 -------> x
//
// Check setup
EXPECT_EQ(18u, mesh_.n_edges() ) << "Wrong number of Edges";
EXPECT_EQ(36u, mesh_.n_halfedges() ) << "Wrong number of HalfEdges";
EXPECT_EQ(8u, mesh_.n_vertices() ) << "Wrong number of vertices";
EXPECT_EQ(12u, mesh_.n_faces() ) << "Wrong number of faces";
// Run over all halfedges
unsigned int heCounter = 0;
mesh_.request_face_status();
mesh_.request_vertex_status();
mesh_.request_halfedge_status();
// Get second edge
Mesh::EdgeHandle eh = mesh_.edge_handle(2);
// Delete one edge
mesh_.delete_edge(eh);
// Check setup ( No garbage collection, so nothing should change!)
EXPECT_EQ(18u, mesh_.n_edges() ) << "Wrong number of Edges after delete";
EXPECT_EQ(36u, mesh_.n_halfedges() ) << "Wrong number of HalfEdges after delete";
EXPECT_EQ(8u, mesh_.n_vertices() ) << "Wrong number of vertices after delete";
EXPECT_EQ(12u, mesh_.n_faces() ) << "Wrong number of faces after delete";
Mesh::HalfedgeIter he_it = mesh_.halfedges_sbegin();
Mesh::HalfedgeIter he_end = mesh_.halfedges_end();
EXPECT_EQ(0, he_it.handle().idx()) << "Wrong start index in halfedge iterator";
EXPECT_EQ(36, he_end.handle().idx()) << "Wrong end index in halfedge iterator";
// =====================================================
// Check skipping iterator
// =====================================================
bool ok_4 = true;
bool ok_5 = true;
unsigned int count = 0;
while (he_it != he_end) {
if ( he_it.handle().idx() == 4 )
ok_4 = false;
if ( he_it.handle().idx() == 5 )
ok_5 = false;
++he_it;
++count;
}
EXPECT_EQ(34u,count) << "Skipping iterator count error";
EXPECT_TRUE( ok_4 ) << "Skipping iterator hit deleted halfedge 4";
EXPECT_TRUE( ok_5 ) << "Skipping iterator hit deleted halfedge 5";
// =====================================================
// Check non skipping iterator
// =====================================================
he_it = mesh_.halfedges_begin();
count = 0;
ok_4 = false;
ok_5 = false;
while (he_it != he_end) {
if ( he_it.handle().idx() == 4 )
ok_4 = true;
if ( he_it.handle().idx() == 5 )
ok_5 = true;
++he_it;
++count;
}
EXPECT_EQ(36u,count) << "Non-skipping iterator count error";
EXPECT_TRUE( ok_4 ) << "Non-skipping iterator missed deleted halfedge 4";
EXPECT_TRUE( ok_5 ) << "Non-skipping iterator missed deleted halfedge 5";
}
/*
* Test with a mesh with one deleted face
*/