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Added unittest for collapse and is_collapse_ok

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git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@825 fdac6126-5c0c-442c-9429-916003d36597
This commit is contained in:
Jan Möbius
2013-05-17 20:49:26 +00:00
parent c15f0f60f5
commit 1ab842a6df
1 changed files with 74 additions and 0 deletions
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74
src/Unittests/unittests_trimesh_collapse.hh
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@@ -30,6 +30,80 @@ class OpenMeshCollapse : public OpenMeshBase {
* ====================================================================
*/
/*
* Collapsing a quad splitted with center vertex
*/
TEST_F(OpenMeshCollapse, CollapseQuadWithCenter) {
mesh_.clear();
// 0--------1
// |\ /|
// | \ / |
// | \ / |
// | 2 |
// | / \ |
// | / \ |
// 3--------4
// Add some vertices
Mesh::VertexHandle vhandle[5];
vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 0, 0));
vhandle[1] = mesh_.add_vertex(Mesh::Point(2, 0, 0));
vhandle[2] = mesh_.add_vertex(Mesh::Point(1, 1, 0));
vhandle[3] = mesh_.add_vertex(Mesh::Point(0, 2, 0));
vhandle[4] = mesh_.add_vertex(Mesh::Point(2, 2, 0));
// Add four faces
std::vector<Mesh::VertexHandle> face_vhandles;
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[1]);
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[2]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[4]);
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[4]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[2]);
mesh_.add_face(face_vhandles);
mesh_.request_vertex_status();
mesh_.request_edge_status();
mesh_.request_face_status();
// Get the halfedge
Mesh::HalfedgeHandle v2v1 = mesh_.find_halfedge(vhandle[2], vhandle[1]);
EXPECT_TRUE( v2v1.is_valid() ) << "Invalid halfedge returned although it shoud exist";
EXPECT_TRUE( mesh_.is_collapse_ok(v2v1) ) << "Collapse retuned illegal althoug legal";
// Execute it as a crash test
mesh_.collapse(v2v1);
}
/*
* Collapsing a tetrahedron
*/