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openmesh/src/Unittests/unittests_add_face.cc
Matthias Möller 74942b5eb7 fix "relink failed" condition 
closes #1244

git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@1220 fdac6126-5c0c-442c-9429-916003d36597
2015-02-10 14:15:25 +00:00

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#include <gtest/gtest.h>
#include <Unittests/unittests_common.hh>
#include <iostream>
namespace {
class OpenMeshAddFaceTriangleMesh : public OpenMeshBase {
protected:
// This function is called before each test is run
virtual void SetUp() {
// Do some initial stuff with the member data here...
}
// 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_;
};
class OpenMeshAddFacePolyMesh : public OpenMeshBasePoly {
protected:
// This function is called before each test is run
virtual void SetUp() {
// Do some initial stuff with the member data here...
}
// 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
* ====================================================================
*/
/* Adds two triangles to a tri mesh
*/
TEST_F(OpenMeshAddFaceTriangleMesh, AddTrianglesToTrimesh) {
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
// Check setup
EXPECT_EQ(4u, mesh_.n_vertices() ) << "Wrong number of vertices";
EXPECT_EQ(2u, mesh_.n_faces() ) << "Wrong number of faces";
}
/* Adds a quad to a trimesh (should be triangulated afterwards)
*/
TEST_F(OpenMeshAddFaceTriangleMesh, AddQuadToTrimesh) {
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[0]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[3]);
mesh_.add_face(face_vhandles);
// Test setup:
// 1 === 2
// | / |
// | / |
// | / |
// 0 === 3
// Check setup
EXPECT_EQ(4u, mesh_.n_vertices() ) << "Wrong number of vertices";
EXPECT_EQ(2u, mesh_.n_faces() ) << "Wrong number of faces";
}
/* Adds a cube to a trimesh
*/
TEST_F(OpenMeshAddFaceTriangleMesh, CreateTriangleMeshCube) {
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";
}
/* Adds a quite strange configuration to the mesh
*/
TEST_F(OpenMeshAddFaceTriangleMesh, CreateStrangeConfig) {
Mesh::VertexHandle vh[7];
//
// 2 x-----------x 1
// \ /
// \ /
// \ /
// \ /
// \ /
// 0 x ---x 6
// /|\ |
// / | \ |
// / | \ |
// / | \|
// x----x x
// 3 4 5
//
//
//
// Add vertices
vh[0] = mesh_.add_vertex (Mesh::Point (0, 0, 0));
vh[1] = mesh_.add_vertex (Mesh::Point (1, 1, 1));
vh[2] = mesh_.add_vertex (Mesh::Point (2, 2, 2));
vh[3] = mesh_.add_vertex (Mesh::Point (3, 3, 3));
vh[4] = mesh_.add_vertex (Mesh::Point (4, 4, 4));
vh[5] = mesh_.add_vertex (Mesh::Point (5, 5, 5));
vh[6] = mesh_.add_vertex (Mesh::Point (6, 6, 6));
mesh_.add_face( vh[0], vh[1], vh[2] );
mesh_.add_face( vh[0], vh[3], vh[4] );
mesh_.add_face( vh[0], vh[5], vh[6] );
// non-manifold!
Mesh::FaceHandle invalidFH = mesh_.add_face( vh[3], vh[0], vh[4] );
// Check setup
EXPECT_EQ(7u, mesh_.n_vertices() ) << "Wrong number of vertices";
EXPECT_EQ(3u, mesh_.n_faces() ) << "Wrong number of faces";
EXPECT_EQ(invalidFH, Mesh::InvalidFaceHandle ) << "non manifold face is valid";
}
/* Adds a quad to a polymesh (should be a quad afterwards)
*/
TEST_F(OpenMeshAddFacePolyMesh, AddQuadToPolymesh) {
mesh_.clear();
// Add some vertices
Mesh::VertexHandle vhandle[4];
vhandle[0] = mesh_.add_vertex(PolyMesh::Point(0, 0, 0));
vhandle[1] = mesh_.add_vertex(PolyMesh::Point(0, 1, 0));
vhandle[2] = mesh_.add_vertex(PolyMesh::Point(1, 1, 0));
vhandle[3] = mesh_.add_vertex(PolyMesh::Point(1, 0, 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]);
face_vhandles.push_back(vhandle[3]);
mesh_.add_face(face_vhandles);
// Test setup:
// 1 === 2
// | |
// | |
// | |
// 0 === 3
// Check setup
EXPECT_EQ(4u, mesh_.n_vertices() ) << "Wrong number of vertices";
EXPECT_EQ(1u, mesh_.n_faces() ) << "Wrong number of faces";
}
/* Adds a cube to a polymesh
*/
TEST_F(OpenMeshAddFacePolyMesh, CreatePolyMeshCube) {
mesh_.clear();
// Add some vertices
Mesh::VertexHandle vhandle[8];
vhandle[0] = mesh_.add_vertex(PolyMesh::Point(-1, -1, 1));
vhandle[1] = mesh_.add_vertex(PolyMesh::Point( 1, -1, 1));
vhandle[2] = mesh_.add_vertex(PolyMesh::Point( 1, 1, 1));
vhandle[3] = mesh_.add_vertex(PolyMesh::Point(-1, 1, 1));
vhandle[4] = mesh_.add_vertex(PolyMesh::Point(-1, -1, -1));
vhandle[5] = mesh_.add_vertex(PolyMesh::Point( 1, -1, -1));
vhandle[6] = mesh_.add_vertex(PolyMesh::Point( 1, 1, -1));
vhandle[7] = mesh_.add_vertex(PolyMesh::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[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]);
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]);
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]);
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]);
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]);
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(12u, mesh_.n_edges() ) << "Wrong number of Edges";
EXPECT_EQ(24u, mesh_.n_halfedges() ) << "Wrong number of HalfEdges";
EXPECT_EQ(8u, mesh_.n_vertices() ) << "Wrong number of vertices";
EXPECT_EQ(6u, mesh_.n_faces() ) << "Wrong number of faces";
}
}
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