534 lines
18 KiB
C++
534 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 OpenMeshTrimeshCirculatorVertexOHalfEdge : 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 VertexFaceOutgoingHalfedgeIterator Test without holes in it
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*/
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TEST_F(OpenMeshTrimeshCirculatorVertexOHalfEdge, VertexOutgoingHalfedgeWithoutHolesIncrement) {
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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::VertexOHalfedgeIter voh_it = mesh_.voh_begin(vhandle[1]);
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Mesh::VertexOHalfedgeIter voh_end = mesh_.voh_end(vhandle[1]);
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EXPECT_EQ(11, voh_it->idx() ) << "Index wrong in VertexOHalfedgeIter begin at initialization";
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EXPECT_EQ(11, voh_end->idx() ) << "Index wrong in VertexOHalfedgeIter end at initialization";
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EXPECT_EQ(3, mesh_.face_handle(*voh_it).idx() ) << "Corresponding face Index wrong in VertexOHalfedgeIter begin at initialization";
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EXPECT_TRUE(voh_it.is_valid()) << "Iterator invalid in VertexOHalfedgeIter at initialization";
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++voh_it ;
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EXPECT_EQ(6, voh_it->idx() ) << "Index wrong in VertexOHalfedgeIter step 1";
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EXPECT_EQ(1, mesh_.face_handle(*voh_it).idx() ) << "Corresponding face Index wrong in VertexOHalfedgeIter step 1";
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EXPECT_TRUE(voh_it.is_valid()) << "Iterator invalid in VertexOHalfedgeIter at step 1";
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++voh_it ;
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EXPECT_EQ(1, voh_it->idx() ) << "Index wrong in VertexOHalfedgeIter step 2";
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EXPECT_EQ(2, mesh_.face_handle(*voh_it).idx() ) << "Corresponding face Index wrong in VertexOHalfedgeIter step 2";
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EXPECT_TRUE(voh_it.is_valid()) << "Iterator invalid in VertexOHalfedgeIter at step 2";
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++voh_it ;
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EXPECT_EQ(2, voh_it->idx() ) << "Index wrong in VertexOHalfedgeIter step 3";
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EXPECT_EQ(0, mesh_.face_handle(*voh_it).idx() ) << "Corresponding face Index wrong in VertexOHalfedgeIter step 3";
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EXPECT_TRUE(voh_it.is_valid()) << "Iterator invalid in VertexOHalfedgeIter at step 3";
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++voh_it ;
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EXPECT_EQ(11, voh_it->idx() ) << "Index wrong in VertexOHalfedgeIter step 4";
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EXPECT_EQ(3, mesh_.face_handle(*voh_it).idx() ) << "Corresponding face Index wrong in VertexOHalfedgeIter step 4";
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EXPECT_FALSE(voh_it.is_valid()) << "Iterator still valid in VertexOHalfedgeIter at step 4";
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EXPECT_TRUE( voh_it == voh_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::ConstVertexOHalfedgeIter cvoh_it = mesh_.cvoh_begin(vhandle[1]);
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Mesh::ConstVertexOHalfedgeIter cvoh_end = mesh_.cvoh_end(vhandle[1]);
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EXPECT_EQ(11, cvoh_it->idx() ) << "Index wrong in ConstVertexOHalfedgeIter begin at initialization";
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EXPECT_EQ(11, cvoh_end->idx() ) << "Index wrong in ConstVertexOHalfedgeIter end at initialization";
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EXPECT_EQ(3, mesh_.face_handle(*cvoh_it).idx() ) << "Corresponding face Index wrong in ConstVertexOHalfedgeIter begin at initialization";
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EXPECT_TRUE(cvoh_it.is_valid()) << "Iterator invalid in ConstVertexOHalfedgeIter at initialization";
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++cvoh_it ;
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EXPECT_EQ(6, cvoh_it->idx() ) << "Index wrong in ConstVertexOHalfedgeIter step 1";
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EXPECT_EQ(1, mesh_.face_handle(*cvoh_it).idx() ) << "Corresponding face Index wrong in ConstVertexOHalfedgeIter step 1";
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EXPECT_TRUE(cvoh_it.is_valid()) << "Iterator invalid in ConstVertexOHalfedgeIter at step 1";
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++cvoh_it ;
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EXPECT_EQ(1, cvoh_it->idx() ) << "Index wrong in ConstVertexOHalfedgeIter step 2";
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EXPECT_EQ(2, mesh_.face_handle(*cvoh_it).idx() ) << "Corresponding face Index wrong in ConstVertexOHalfedgeIter step 2";
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EXPECT_TRUE(cvoh_it.is_valid()) << "Iterator invalid in ConstVertexOHalfedgeIter at step 2";
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++cvoh_it ;
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EXPECT_EQ(2, cvoh_it->idx() ) << "Index wrong in ConstVertexOHalfedgeIter step 3";
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EXPECT_EQ(0, mesh_.face_handle(*cvoh_it).idx() ) << "Corresponding face Index wrong in ConstVertexOHalfedgeIter step 3";
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EXPECT_TRUE(cvoh_it.is_valid()) << "Iterator invalid in ConstVertexOHalfedgeIter at step 3";
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++cvoh_it ;
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EXPECT_EQ(11, cvoh_it->idx() ) << "Index wrong in ConstVertexOHalfedgeIter step 4";
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EXPECT_EQ(3, mesh_.face_handle(*cvoh_it).idx() ) << "Corresponding face Index wrong in ConstVertexOHalfedgeIter step 4";
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EXPECT_FALSE(cvoh_it.is_valid()) << "Iterator still valid in ConstVertexOHalfedgeIter at step 4";
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EXPECT_TRUE( cvoh_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(OpenMeshTrimeshCirculatorVertexOHalfEdge, VertexOutgoingHalfedgeBoundaryIncrement) {
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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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|/ 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::VertexOHalfedgeIter voh_it = mesh_.voh_begin(vhandle[2]);
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Mesh::VertexOHalfedgeIter voh_end = mesh_.voh_end(vhandle[2]);
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EXPECT_EQ(15, voh_it->idx() ) << "Index wrong in VertexOHalfedgeIter begin at initialization";
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EXPECT_EQ(15, voh_end->idx() ) << "Index wrong in VertexOHalfedgeIter end at initialization";
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EXPECT_EQ(-1, mesh_.face_handle(*voh_it).idx() ) << "Corresponding face Index wrong in VertexOHalfedgeIter begin at initialization";
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EXPECT_TRUE(voh_it.is_valid()) << "Iterator invalid in VertexOHalfedgeIter at initialization";
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++voh_it ;
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EXPECT_EQ(3, voh_it->idx() ) << "Index wrong in VertexOHalfedgeIter step 1";
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EXPECT_EQ(3, mesh_.face_handle(*voh_it).idx() ) << "Corresponding face Index wrong in VertexOHalfedgeIter step 1";
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EXPECT_TRUE(voh_it.is_valid()) << "Iterator invalid in VertexOHalfedgeIter at step 1";
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++voh_it ;
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EXPECT_EQ(4, voh_it->idx() ) << "Index wrong in VertexOHalfedgeIter step 2";
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EXPECT_EQ(0, mesh_.face_handle(*voh_it).idx() ) << "Corresponding face Index wrong in VertexOHalfedgeIter step 2";
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EXPECT_TRUE(voh_it.is_valid()) << "Iterator invalid in VertexOHalfedgeIter at step 2";
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++voh_it ;
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EXPECT_EQ(15, voh_it->idx() ) << "Index wrong in VertexOHalfedgeIter step 3";
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EXPECT_EQ(-1, mesh_.face_handle(*voh_it).idx() ) << "Corresponding face Index wrong in VertexOHalfedgeIter step 3";
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EXPECT_FALSE(voh_it.is_valid()) << "Iterator still valid in VertexOHalfedgeIter at step 3";
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EXPECT_TRUE( voh_it == voh_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(OpenMeshTrimeshCirculatorVertexOHalfEdge, VertexOutgoingHalfedgeDereferenceIncrement) {
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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::VertexOHalfedgeIter voh_it = mesh_.voh_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(*voh_it);
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Mesh::HalfedgeHandle heh = *voh_it;
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Mesh::VertexHandle vh2 = mesh_.to_vertex_handle(*voh_it);
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EXPECT_EQ(eh.idx() , 5 ) << "Wrong edge handle after dereferencing";
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EXPECT_EQ(heh.idx() , 11 ) << "Wrong half edge handle after dereferencing";
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EXPECT_EQ(vh2.idx() , 4 ) << "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(OpenMeshTrimeshCirculatorVertexOHalfEdge, VertexOHalfEdgeIterCheckInvalidationAtEnds) {
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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::VertexOHalfedgeIter endIter = mesh_.voh_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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// endIter = mesh_.voh_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(2,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::VertexOHalfedgeIter startIter = mesh_.voh_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()) << "StartIter is invalid after re-incrementing";
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// EXPECT_EQ(startIter->idx(), mesh_.voh_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(OpenMeshTrimeshCirculatorVertexOHalfEdge, 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 cw_indices[4] = {11, 6, 1, 2};
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int ccw_indices[4];
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std::reverse_copy(cw_indices,cw_indices+4,ccw_indices);
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Mesh::VertexHandle vh = vhandle[1];
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//CCW
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Mesh::VertexOHalfedgeCCWIter voh_ccwit = mesh_.voh_ccwbegin(vh);
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Mesh::VertexOHalfedgeCCWIter voh_ccwend = mesh_.voh_ccwend(vh);
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size_t i = 0;
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for (;voh_ccwit != voh_ccwend; ++voh_ccwit, ++i)
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{
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EXPECT_EQ(ccw_indices[i], voh_ccwit->idx()) << "Index wrong in VertexOHalfedgeCCWIter";
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}
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EXPECT_FALSE(voh_ccwit.is_valid()) << "Iterator invalid in VertexOHalfedgeCCWIter at end";
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EXPECT_TRUE( voh_ccwit == voh_ccwend ) << "End iterator for VertexOHalfedgeCCWIter not matching";
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//constant CCW
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Mesh::ConstVertexOHalfedgeCCWIter cvoh_ccwit = mesh_.cvoh_ccwbegin(vh);
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Mesh::ConstVertexOHalfedgeCCWIter cvoh_ccwend = mesh_.cvoh_ccwend(vh);
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i = 0;
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for (;cvoh_ccwit != cvoh_ccwend; ++cvoh_ccwit, ++i)
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{
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EXPECT_EQ(ccw_indices[i], cvoh_ccwit->idx()) << "Index wrong in ConstVertexOHalfedgeCCWIter";
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}
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EXPECT_FALSE(cvoh_ccwit.is_valid()) << "Iterator invalid in ConstVertexOHalfedgeCCWIter at end";
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EXPECT_TRUE( cvoh_ccwit == cvoh_ccwend ) << "End iterator for ConstVertexOHalfedgeCCWIter not matching";
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//CW
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Mesh::VertexOHalfedgeCWIter voh_cwit = mesh_.voh_cwbegin(vh);
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Mesh::VertexOHalfedgeCWIter voh_cwend = mesh_.voh_cwend(vh);
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i = 0;
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for (;voh_cwit != voh_cwend; ++voh_cwit, ++i)
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{
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EXPECT_EQ(cw_indices[i], voh_cwit->idx()) << "Index wrong in VertexOHalfedgeCWIter";
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}
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EXPECT_FALSE(voh_cwit.is_valid()) << "Iterator invalid in VertexOHalfedgeCWIter at end";
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EXPECT_TRUE( voh_cwit == voh_cwend ) << "End iterator for VertexOHalfedgeCWIter not matching";
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//constant CW
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Mesh::ConstVertexOHalfedgeCWIter cvoh_cwit = mesh_.cvoh_cwbegin(vh);
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Mesh::ConstVertexOHalfedgeCWIter cvoh_cwend = mesh_.cvoh_cwend(vh);
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i = 0;
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for (;cvoh_cwit != cvoh_cwend; ++cvoh_cwit, ++i)
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{
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EXPECT_EQ(cw_indices[i], cvoh_cwit->idx()) << "Index wrong in ConstVertexOHalfedgeCWIter";
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}
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EXPECT_FALSE(cvoh_cwit.is_valid()) << "Iterator invalid in ConstVertexOHalfedgeCWIter at end";
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EXPECT_TRUE( cvoh_cwit == cvoh_cwend ) << "End iterator for ConstVertexOHalfedgeCWIter 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::VertexOHalfedgeCWIter voh_cwIter = mesh_.voh_cwbegin(vh);
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// a)
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EXPECT_TRUE( *voh_cwIter == *++Mesh::VertexOHalfedgeCWIter(mesh_.voh_ccwend(vh))) << "ccw to cw conversion failed";
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EXPECT_TRUE( *++Mesh::VertexOHalfedgeCCWIter(voh_cwIter) == *mesh_.voh_ccwend(vh) ) << "cw to ccw conversion failed";
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// b)
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EXPECT_EQ( voh_cwIter->idx(), Mesh::VertexOHalfedgeCCWIter(voh_cwIter)->idx()) << "iterators doesnt point on the same element";
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// c)
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auto voh_ccwIter = Mesh::VertexOHalfedgeCCWIter(voh_cwIter);
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EXPECT_EQ(voh_cwIter->idx(),voh_ccwIter->idx())<< "iterators dont point on the same element";
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++voh_cwIter;
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--voh_ccwIter;
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EXPECT_EQ(voh_cwIter->idx(),voh_ccwIter->idx()) << "iteratoes are not equal after inc/dec";
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// d)
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auto voh_cwEnd = mesh_.voh_ccwend(vh);
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voh_cwIter = Mesh::VertexOHalfedgeCWIter(voh_cwEnd);
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EXPECT_FALSE(voh_cwIter.is_valid()) << "end iterator is not invalid";
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EXPECT_TRUE(*mesh_.voh_cwbegin(vh) == *++voh_cwIter) << "end iterators are not equal";
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}
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}
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