535 lines
18 KiB
C++
535 lines
18 KiB
C++
#include <gtest/gtest.h>
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#include <Unittests/unittests_common.hh>
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#include <iostream>
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namespace {
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class OpenMeshTrimeshCirculatorVertexIHalfEdge : public OpenMeshBase {
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protected:
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// This function is called before each test is run
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virtual void SetUp() {
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}
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// This function is called after all tests are through
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virtual void TearDown() {
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// Do some final stuff with the member data here...
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}
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// Member already defined in OpenMeshBase
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//Mesh mesh_;
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};
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/*
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* ====================================================================
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* Define tests below
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* ====================================================================
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*/
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/*
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* Small VertexFaceIterator Test without holes in it
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*/
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TEST_F(OpenMeshTrimeshCirculatorVertexIHalfEdge, VertexIncomingHalfedgeWithoutHolesIncrement) {
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mesh_.clear();
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// Add some vertices
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Mesh::VertexHandle vhandle[5];
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vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
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vhandle[1] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
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vhandle[2] = mesh_.add_vertex(Mesh::Point(2, 1, 0));
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vhandle[3] = mesh_.add_vertex(Mesh::Point(0,-1, 0));
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vhandle[4] = mesh_.add_vertex(Mesh::Point(2,-1, 0));
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// Add two faces
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std::vector<Mesh::VertexHandle> face_vhandles;
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face_vhandles.push_back(vhandle[0]);
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face_vhandles.push_back(vhandle[1]);
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face_vhandles.push_back(vhandle[2]);
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mesh_.add_face(face_vhandles);
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face_vhandles.clear();
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face_vhandles.push_back(vhandle[1]);
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face_vhandles.push_back(vhandle[3]);
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face_vhandles.push_back(vhandle[4]);
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mesh_.add_face(face_vhandles);
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face_vhandles.clear();
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face_vhandles.push_back(vhandle[0]);
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face_vhandles.push_back(vhandle[3]);
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face_vhandles.push_back(vhandle[1]);
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mesh_.add_face(face_vhandles);
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face_vhandles.clear();
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face_vhandles.push_back(vhandle[2]);
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face_vhandles.push_back(vhandle[1]);
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face_vhandles.push_back(vhandle[4]);
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mesh_.add_face(face_vhandles);
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/* Test setup:
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0 ==== 2
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|\ 0 /|
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| \ / |
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|2 1 3|
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| / \ |
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|/ 1 \|
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3 ==== 4 */
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// Starting halfedge is 1->4
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// Iterate around vertex 1 at the middle (with holes in between)
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Mesh::VertexIHalfedgeIter vih_it = mesh_.vih_begin(vhandle[1]);
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Mesh::VertexIHalfedgeIter vih_end = mesh_.vih_end(vhandle[1]);
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EXPECT_EQ(10, vih_it->idx() ) << "Index wrong in VertexIHalfedgeIter begin at initialization";
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EXPECT_EQ(10, vih_end->idx() ) << "Index wrong in VertexIHalfedgeIter end at initialization";
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EXPECT_EQ(1, mesh_.face_handle(*vih_it).idx() ) << "Corresponding face Index wrong in VertexIHalfedgeIter begin at initialization";
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EXPECT_TRUE(vih_it.is_valid()) << "Iterator invalid in VertexIHalfedgeIter at initialization";
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++vih_it ;
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EXPECT_EQ(7, vih_it->idx() ) << "Index wrong in VertexIHalfedgeIter step 1";
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EXPECT_EQ(2, mesh_.face_handle(*vih_it).idx() ) << "Corresponding face Index wrong in VertexIHalfedgeIter step 1";
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EXPECT_TRUE(vih_it.is_valid()) << "Iterator invalid in VertexIHalfedgeIter at step 1";
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++vih_it ;
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EXPECT_EQ(0, vih_it->idx() ) << "Index wrong in VertexIHalfedgeIter step 2";
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EXPECT_EQ(0, mesh_.face_handle(*vih_it).idx() ) << "Corresponding face Index wrong in VertexIHalfedgeIter step 2";
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EXPECT_TRUE(vih_it.is_valid()) << "Iterator invalid in VertexIHalfedgeIter at step 2";
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++vih_it ;
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EXPECT_EQ(3, vih_it->idx() ) << "Index wrong in VertexIHalfedgeIter step 3";
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EXPECT_EQ(3, mesh_.face_handle(*vih_it).idx() ) << "Corresponding face Index wrong in VertexIHalfedgeIter step 3";
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EXPECT_TRUE(vih_it.is_valid()) << "Iterator invalid in VertexIHalfedgeIter at step 3";
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++vih_it ;
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EXPECT_EQ(10, vih_it->idx() ) << "Index wrong in VertexIHalfedgeIter step 4";
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EXPECT_EQ(1, mesh_.face_handle(*vih_it).idx() ) << "Corresponding face Index wrong in VertexIHalfedgeIter step 4";
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EXPECT_FALSE(vih_it.is_valid()) << "Iterator still valid in VertexIHalfedgeIter at step 4";
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EXPECT_TRUE( vih_it == vih_end ) << "Miss matched end iterator";
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// Iterate around vertex 1 at the middle (with holes in between)
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Mesh::ConstVertexIHalfedgeIter cvih_it = mesh_.cvih_begin(vhandle[1]);
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Mesh::ConstVertexIHalfedgeIter cvoh_end = mesh_.cvih_end(vhandle[1]);
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EXPECT_EQ(10, cvih_it->idx() ) << "Index wrong in ConstVertexIHalfedgeIter begin at initialization";
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EXPECT_EQ(10, cvoh_end->idx() ) << "Index wrong in ConstVertexIHalfedgeIter end at initialization";
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EXPECT_EQ(1, mesh_.face_handle(*cvih_it).idx() ) << "Corresponding face Index wrong in ConstVertexIHalfedgeIter begin at initialization";
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EXPECT_TRUE(cvih_it.is_valid()) << "Iterator invalid in ConstVertexIHalfedgeIter at initialization";
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++cvih_it ;
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EXPECT_EQ(7, cvih_it->idx() ) << "Index wrong in ConstVertexIHalfedgeIter step 1";
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EXPECT_EQ(2, mesh_.face_handle(*cvih_it).idx() ) << "Corresponding face Index wrong in ConstVertexIHalfedgeIter step 1";
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EXPECT_TRUE(cvih_it.is_valid()) << "Iterator invalid in ConstVertexIHalfedgeIter at step 1";
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++cvih_it ;
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EXPECT_EQ(0, cvih_it->idx() ) << "Index wrong in ConstVertexIHalfedgeIter step 2";
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EXPECT_EQ(0, mesh_.face_handle(*cvih_it).idx() ) << "Corresponding face Index wrong in ConstVertexIHalfedgeIter step 2";
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EXPECT_TRUE(cvih_it.is_valid()) << "Iterator invalid in ConstVertexIHalfedgeIter at step 2";
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++cvih_it ;
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EXPECT_EQ(3, cvih_it->idx() ) << "Index wrong in ConstVertexIHalfedgeIter step 3";
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EXPECT_EQ(3, mesh_.face_handle(*cvih_it).idx() ) << "Corresponding face Index wrong in ConstVertexIHalfedgeIter step 3";
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EXPECT_TRUE(cvih_it.is_valid()) << "Iterator invalid in ConstVertexIHalfedgeIter at step 3";
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++cvih_it ;
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EXPECT_EQ(10, cvih_it->idx() ) << "Index wrong in ConstVertexIHalfedgeIter step 4";
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EXPECT_EQ(1, mesh_.face_handle(*cvih_it).idx() ) << "Corresponding face Index wrong in ConstVertexIHalfedgeIter step 4";
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EXPECT_FALSE(cvih_it.is_valid()) << "Iterator still valid in ConstVertexIHalfedgeIter at step 4";
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EXPECT_TRUE( cvih_it == cvoh_end ) << "Miss matched end iterator";
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}
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/*
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* Small VertexFaceOutgoingHalfedgeIterator Test
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*/
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TEST_F(OpenMeshTrimeshCirculatorVertexIHalfEdge, VertexOIncomingHalfedgeBoundaryIncrement) {
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mesh_.clear();
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// Add some vertices
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Mesh::VertexHandle vhandle[5];
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vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
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vhandle[1] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
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vhandle[2] = mesh_.add_vertex(Mesh::Point(2, 1, 0));
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vhandle[3] = mesh_.add_vertex(Mesh::Point(0,-1, 0));
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vhandle[4] = mesh_.add_vertex(Mesh::Point(2,-1, 0));
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// Add two faces
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std::vector<Mesh::VertexHandle> face_vhandles;
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face_vhandles.push_back(vhandle[0]);
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face_vhandles.push_back(vhandle[1]);
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face_vhandles.push_back(vhandle[2]);
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mesh_.add_face(face_vhandles);
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face_vhandles.clear();
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face_vhandles.push_back(vhandle[1]);
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face_vhandles.push_back(vhandle[3]);
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face_vhandles.push_back(vhandle[4]);
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mesh_.add_face(face_vhandles);
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face_vhandles.clear();
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face_vhandles.push_back(vhandle[0]);
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face_vhandles.push_back(vhandle[3]);
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face_vhandles.push_back(vhandle[1]);
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mesh_.add_face(face_vhandles);
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face_vhandles.clear();
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face_vhandles.push_back(vhandle[2]);
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face_vhandles.push_back(vhandle[1]);
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face_vhandles.push_back(vhandle[4]);
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mesh_.add_face(face_vhandles);
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/* Test setup:
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0 ==== 2
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|\ 0 /|
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|2 1 3|
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| / \ |
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|/ 1 \|
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3 ==== 4 */
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// Starting halfedge is 1->4
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// Iterate around vertex 1 at the middle (with holes in between)
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Mesh::VertexIHalfedgeIter vih_it = mesh_.vih_begin(vhandle[2]);
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Mesh::VertexIHalfedgeIter vih_end = mesh_.vih_end(vhandle[2]);
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EXPECT_EQ(14, vih_it->idx() ) << "Index wrong in VertexIHalfedgeIter begin at initialization";
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EXPECT_EQ(14, vih_end->idx() ) << "Index wrong in VertexIHalfedgeIter end at initialization";
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EXPECT_EQ(3, mesh_.face_handle(*vih_it).idx() ) << "Corresponding face Index wrong in VertexIHalfedgeIter begin at initialization";
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EXPECT_TRUE(vih_it.is_valid()) << "Iterator invalid in VertexIHalfedgeIter at initialization";
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++vih_it ;
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EXPECT_EQ(2, vih_it->idx() ) << "Index wrong in VertexIHalfedgeIter step 1";
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EXPECT_EQ(0, mesh_.face_handle(*vih_it).idx() ) << "Corresponding face Index wrong in VertexIHalfedgeIter step 1";
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EXPECT_TRUE(vih_it.is_valid()) << "Iterator invalid in VertexIHalfedgeIter at step 1";
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++vih_it ;
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EXPECT_EQ(5, vih_it->idx() ) << "Index wrong in VertexIHalfedgeIter step 2";
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EXPECT_EQ(-1, mesh_.face_handle(*vih_it).idx() ) << "Corresponding face Index wrong in VertexIHalfedgeIter step 2";
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EXPECT_TRUE(vih_it.is_valid()) << "Iterator invalid in VertexIHalfedgeIter at step 2";
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++vih_it ;
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EXPECT_EQ(14, vih_it->idx() ) << "Index wrong in VertexIHalfedgeIter step 3";
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EXPECT_EQ(3, mesh_.face_handle(*vih_it).idx() ) << "Corresponding face Index wrong in VertexIHalfedgeIter step 3";
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EXPECT_FALSE(vih_it.is_valid()) << "Iterator still valid in VertexIHalfedgeIter at step 3";
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EXPECT_TRUE( vih_it == vih_end ) << "Miss matched end iterator";
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}
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/*
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* Small Test to check dereferencing the iterator
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* No real result
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*/
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TEST_F(OpenMeshTrimeshCirculatorVertexIHalfEdge, VertexIncomingHalfedgeDereferenceIncrement) {
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mesh_.clear();
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// Add some vertices
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Mesh::VertexHandle vhandle[5];
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vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
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vhandle[1] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
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vhandle[2] = mesh_.add_vertex(Mesh::Point(2, 1, 0));
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vhandle[3] = mesh_.add_vertex(Mesh::Point(0,-1, 0));
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vhandle[4] = mesh_.add_vertex(Mesh::Point(2,-1, 0));
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std::vector<Mesh::VertexHandle> face_vhandles;
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face_vhandles.push_back(vhandle[0]);
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face_vhandles.push_back(vhandle[1]);
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face_vhandles.push_back(vhandle[2]);
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mesh_.add_face(face_vhandles);
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face_vhandles.clear();
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face_vhandles.push_back(vhandle[1]);
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face_vhandles.push_back(vhandle[3]);
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face_vhandles.push_back(vhandle[4]);
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mesh_.add_face(face_vhandles);
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face_vhandles.clear();
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face_vhandles.push_back(vhandle[0]);
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face_vhandles.push_back(vhandle[3]);
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face_vhandles.push_back(vhandle[1]);
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mesh_.add_face(face_vhandles);
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face_vhandles.clear();
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face_vhandles.push_back(vhandle[2]);
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face_vhandles.push_back(vhandle[1]);
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face_vhandles.push_back(vhandle[4]);
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mesh_.add_face(face_vhandles);
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/* Test setup:
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0 ==== 2
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|\ 0 /|
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| \ / |
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|2 1 3|
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| / \ |
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|/ 1 \|
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3 ==== 4 */
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// Iterate around vertex 1 at the middle (with holes in between)
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Mesh::VertexIHalfedgeIter vih_it = mesh_.vih_iter(vhandle[1]);
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// TODO: If called without handle, it won't build
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Mesh::EdgeHandle eh = mesh_.edge_handle(*vih_it);
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Mesh::HalfedgeHandle heh = *vih_it;
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Mesh::VertexHandle vh2 = mesh_.to_vertex_handle(*vih_it);
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EXPECT_EQ(eh.idx() , 5 ) << "Wrong edge handle after dereferencing";
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EXPECT_EQ(heh.idx() , 10 ) << "Wrong half edge handle after dereferencing";
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EXPECT_EQ(vh2.idx() , 1 ) << "Wrong vertex handle after dereferencing";
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}
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/*
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* Test if the end iterator stays invalid after one lap
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* DISABLED as long as the normal iterators using old behavior
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*/
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//TEST_F(OpenMeshTrimeshCirculatorVertexIHalfEdge, VertexIHalfEdgeIterCheckInvalidationAtEnds) {
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//
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// mesh_.clear();
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//
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// // Add some vertices
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// Mesh::VertexHandle vhandle[5];
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//
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// vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
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// vhandle[1] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
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// vhandle[2] = mesh_.add_vertex(Mesh::Point(2, 1, 0));
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// vhandle[3] = mesh_.add_vertex(Mesh::Point(0,-1, 0));
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// vhandle[4] = mesh_.add_vertex(Mesh::Point(2,-1, 0));
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//
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// // Add two faces
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// std::vector<Mesh::VertexHandle> face_vhandles;
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//
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// face_vhandles.push_back(vhandle[0]);
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// face_vhandles.push_back(vhandle[1]);
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// face_vhandles.push_back(vhandle[2]);
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// Mesh::FaceHandle fh0 = mesh_.add_face(face_vhandles);
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//
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// face_vhandles.clear();
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//
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// face_vhandles.push_back(vhandle[1]);
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// face_vhandles.push_back(vhandle[3]);
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// face_vhandles.push_back(vhandle[4]);
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// mesh_.add_face(face_vhandles);
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//
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// face_vhandles.clear();
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//
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// face_vhandles.push_back(vhandle[0]);
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// face_vhandles.push_back(vhandle[3]);
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// face_vhandles.push_back(vhandle[1]);
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// mesh_.add_face(face_vhandles);
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//
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// face_vhandles.clear();
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//
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// face_vhandles.push_back(vhandle[2]);
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// face_vhandles.push_back(vhandle[1]);
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// face_vhandles.push_back(vhandle[4]);
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// mesh_.add_face(face_vhandles);
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//
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// /* Test setup:
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// 0 ==== 2
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// |\ 0 /|
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// | \ / |
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// |2 1 3|
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// | / \ |
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// |/ 1 \|
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// 3 ==== 4 */
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//
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//
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// // Check if the end iterator stays invalid after end
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// Mesh::VertexIHalfedgeIter endIter = mesh_.vih_end(vhandle[1]);
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// EXPECT_FALSE(endIter.is_valid()) << "EndIter is not invalid";
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// ++endIter ;
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// EXPECT_FALSE(endIter.is_valid()) << "EndIter is not invalid after increment";
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//
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// // Check if the end iterators becomes valid after decrement
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// endIter = mesh_.vih_end(vhandle[1]);
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// EXPECT_FALSE(endIter.is_valid()) << "EndIter is not invalid";
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// --endIter;
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// EXPECT_TRUE(endIter.is_valid()) << "EndIter is invalid after decrement";
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// EXPECT_EQ(3,endIter->idx()) << "EndIter points on the wrong element";
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//
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//
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// // Check if the start iterator decrement is invalid
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// Mesh::VertexIHalfedgeIter startIter = mesh_.vih_begin(vhandle[1]);
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// EXPECT_TRUE(startIter.is_valid()) << "StartIter is not valid";
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// --startIter;
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// EXPECT_FALSE(startIter.is_valid()) << "StartIter decrement is not invalid";
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//
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// // Check if the start iterator becomes valid
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// ++startIter;
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// EXPECT_TRUE(startIter.is_valid()) << "StarIter is invalid after re-incrementing";
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// EXPECT_EQ(startIter->idx(), mesh_.vih_begin(vhandle[1])->idx()) << "StartIter points on the wrong element";
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//
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//}
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/*
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* Test CW and CCW iterators
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*/
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TEST_F(OpenMeshTrimeshCirculatorVertexIHalfEdge, CWAndCCWCheck) {
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mesh_.clear();
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// Add some vertices
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Mesh::VertexHandle vhandle[5];
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vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
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vhandle[1] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
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vhandle[2] = mesh_.add_vertex(Mesh::Point(2, 1, 0));
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vhandle[3] = mesh_.add_vertex(Mesh::Point(0,-1, 0));
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vhandle[4] = mesh_.add_vertex(Mesh::Point(2,-1, 0));
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// Add two faces
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std::vector<Mesh::VertexHandle> face_vhandles;
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face_vhandles.push_back(vhandle[0]);
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face_vhandles.push_back(vhandle[1]);
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face_vhandles.push_back(vhandle[2]);
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mesh_.add_face(face_vhandles);
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face_vhandles.clear();
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face_vhandles.push_back(vhandle[1]);
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face_vhandles.push_back(vhandle[3]);
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face_vhandles.push_back(vhandle[4]);
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mesh_.add_face(face_vhandles);
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face_vhandles.clear();
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face_vhandles.push_back(vhandle[0]);
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face_vhandles.push_back(vhandle[3]);
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face_vhandles.push_back(vhandle[1]);
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mesh_.add_face(face_vhandles);
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face_vhandles.clear();
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face_vhandles.push_back(vhandle[2]);
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face_vhandles.push_back(vhandle[1]);
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face_vhandles.push_back(vhandle[4]);
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mesh_.add_face(face_vhandles);
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/* Test setup:
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0 ==== 2
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|\ 0 /|
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| \ / |
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|2 1 3|
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| / \ |
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|/ 1 \|
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3 ==== 4 */
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int indices[4] = {14, 5, 2, 14};
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int rev_indices[4];
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std::reverse_copy(indices,indices+4,rev_indices);
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Mesh::VertexHandle vh = vhandle[2];
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//CCW
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Mesh::VertexIHalfedgeCCWIter vih_ccwit = mesh_.vih_ccwbegin(vh);
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Mesh::VertexIHalfedgeCCWIter vih_ccwend = mesh_.vih_ccwend(vh);
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size_t i = 0;
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for (;vih_ccwit != vih_ccwend; ++vih_ccwit, ++i)
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{
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EXPECT_EQ(indices[i], vih_ccwit->idx()) << "Index wrong in VertexIHalfedgeCCWIter";
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}
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EXPECT_FALSE(vih_ccwit.is_valid()) << "Iterator invalid in VertexIHalfedgeCCWIter at end";
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EXPECT_TRUE( vih_ccwit == vih_ccwend ) << "End iterator for VertexIHalfedgeCCWIter not matching";
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//constant CCW
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Mesh::ConstVertexIHalfedgeCCWIter cvih_ccwit = mesh_.cvih_ccwbegin(vh);
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Mesh::ConstVertexIHalfedgeCCWIter cvih_ccwend = mesh_.cvih_ccwend(vh);
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i = 0;
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for (;cvih_ccwit != cvih_ccwend; ++cvih_ccwit, ++i)
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{
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EXPECT_EQ(indices[i], cvih_ccwit->idx()) << "Index wrong in ConstVertexIHalfedgeCCWIter";
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}
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EXPECT_FALSE(cvih_ccwit.is_valid()) << "Iterator invalid in ConstVertexIHalfedgeCCWIter at end";
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EXPECT_TRUE( cvih_ccwit == cvih_ccwend ) << "End iterator for ConstVertexIHalfedgeCCWIter not matching";
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//CW
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Mesh::VertexIHalfedgeCWIter vih_cwit = mesh_.vih_cwbegin(vh);
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Mesh::VertexIHalfedgeCWIter vih_cwend = mesh_.vih_cwend(vh);
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i = 0;
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for (;vih_cwit != vih_cwend; ++vih_cwit, ++i)
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{
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EXPECT_EQ(rev_indices[i], vih_cwit->idx()) << "Index wrong in VertexIHalfedgeCWIter";
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}
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EXPECT_FALSE(vih_cwit.is_valid()) << "Iterator invalid in VertexIHalfedgeCWIter at end";
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EXPECT_TRUE( vih_cwit == vih_cwend ) << "End iterator for VertexIHalfedgeCWIter not matching";
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//constant CW
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Mesh::ConstVertexIHalfedgeCWIter cvih_cwit = mesh_.cvih_cwbegin(vh);
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Mesh::ConstVertexIHalfedgeCWIter cvih_cwend = mesh_.cvih_cwend(vh);
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i = 0;
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for (;cvih_cwit != cvih_cwend; ++cvih_cwit, ++i)
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{
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EXPECT_EQ(rev_indices[i], cvih_cwit->idx()) << "Index wrong in ConstVertexIHalfedgeCWIter";
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}
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EXPECT_FALSE(cvih_cwit.is_valid()) << "Iterator invalid in ConstVertexIHalfedgeCWIter at end";
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EXPECT_TRUE( cvih_cwit == cvih_cwend ) << "End iterator for ConstVertexIHalfedgeCWIter not matching";
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/*
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* conversion properties:
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* a) cw_begin == CWIter(ccw_begin())
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* b) cw_iter->idx() == CCWIter(cw_iter)->idx() for valid iterators
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* c) --cw_iter == CWIter(++ccwIter) for valid iterators
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* d) cw_end == CWIter(ccw_end()) => --cw_end != CWIter(++ccw_end()) *
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*/
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Mesh::VertexIHalfedgeCWIter vih_cwIter = mesh_.vih_cwbegin(vh);
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// a)
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EXPECT_TRUE( vih_cwIter == Mesh::VertexIHalfedgeCWIter(mesh_.vih_ccwbegin(vh)) ) << "ccw to cw conversion failed";
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EXPECT_TRUE( Mesh::VertexIHalfedgeCCWIter(vih_cwIter) == mesh_.vih_ccwbegin(vh) ) << "cw to ccw conversion failed";
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// b)
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EXPECT_EQ( vih_cwIter->idx(), Mesh::VertexIHalfedgeCCWIter(vih_cwIter)->idx()) << "iterators doesnt point on the same element";
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// c)
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++vih_cwIter;
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vih_ccwend = mesh_.vih_ccwend(vh);
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--vih_ccwend;
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EXPECT_EQ(vih_cwIter->idx(),vih_ccwend->idx()) << "iteratoes are not equal after inc/dec";
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// additional conversion check
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vih_ccwend = Mesh::VertexIHalfedgeCCWIter(vih_cwIter);
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EXPECT_EQ(vih_cwIter->idx(),vih_ccwend->idx())<< "iterators doesnt point on the same element";
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// d)
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vih_cwIter = Mesh::VertexIHalfedgeCWIter(mesh_.vih_ccwend(vh));
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EXPECT_FALSE(vih_cwIter.is_valid()) << "end iterator is not invalid";
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EXPECT_TRUE(Mesh::VertexIHalfedgeCCWIter(mesh_.vih_cwend(vh)) == mesh_.vih_ccwend(vh)) << "end iterators are not equal";
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}
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}
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