420 lines
14 KiB
C++
420 lines
14 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 OpenMeshTrimeshCirculatorVertexEdge : 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 VertexEdgeIterator Test without holes in it
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*/
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TEST_F(OpenMeshTrimeshCirculatorVertexEdge, VertexEdgeIterWithoutHolesIncrement) {
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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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// Iterate around vertex 1 at the middle (with holes in between)
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Mesh::VertexEdgeIter ve_it = mesh_.ve_begin(vhandle[1]);
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Mesh::VertexEdgeIter ve_end = mesh_.ve_end(vhandle[1]);
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EXPECT_EQ(5, ve_it->idx() ) << "Index wrong in VertexEdgeIter at initialization";
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EXPECT_TRUE(ve_it.is_valid()) << "Iterator invalid in VertexEdgeIter at initialization";
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++ve_it ;
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EXPECT_EQ(3, ve_it->idx() ) << "Index wrong in VertexEdgeIter at step 1";
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EXPECT_TRUE(ve_it.is_valid()) << "Iterator invalid in VertexEdgeIter at step 1";
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++ve_it ;
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EXPECT_EQ(0, ve_it->idx() ) << "Index wrong in VertexEdgeIter at step 2";
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EXPECT_TRUE(ve_it.is_valid()) << "Iterator invalid in VertexEdgeIter at step 2";
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++ve_it ;
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EXPECT_EQ(1, ve_it->idx() ) << "Index wrong in VertexEdgeIter at step 3";
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EXPECT_TRUE(ve_it.is_valid()) << "Iterator invalid in VertexEdgeIter at step 3";
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++ve_it ;
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EXPECT_EQ(5, ve_it->idx() ) << "Index wrong in VertexEdgeIter at end";
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EXPECT_FALSE(ve_it.is_valid()) << "Iterator not invalid in VertexEdgeIter at end";
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EXPECT_TRUE( ve_it == ve_end ) << "End iterator for VertexEdgeIter not matching";
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// Iterate around vertex 1 at the middle (with holes in between) with const iterator
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Mesh::ConstVertexEdgeIter cve_it = mesh_.cve_begin(vhandle[1]);
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Mesh::ConstVertexEdgeIter cve_end = mesh_.cve_end(vhandle[1]);
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EXPECT_EQ(5, cve_it->idx() ) << "Index wrong in ConstVertexEdgeIter at initialization";
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EXPECT_TRUE(cve_it.is_valid()) << "Iterator invalid in ConstVertexEdgeIter at initialization";
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++cve_it ;
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EXPECT_EQ(3, cve_it->idx() ) << "Index wrong in ConstVertexEdgeIter at step 1";
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EXPECT_TRUE(cve_it.is_valid()) << "Iterator invalid in ConstVertexEdgeIter at step 1";
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++cve_it ;
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EXPECT_EQ(0, cve_it->idx() ) << "Index wrong in ConstVertexEdgeIter at step 2";
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EXPECT_TRUE(cve_it.is_valid()) << "Iterator invalid in ConstVertexEdgeIter at step 2";
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++cve_it ;
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EXPECT_EQ(1, cve_it->idx() ) << "Index wrong in ConstVertexEdgeIter at step 3";
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EXPECT_TRUE(cve_it.is_valid()) << "Iterator invalid in ConstVertexEdgeIter at step 3";
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++cve_it ;
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EXPECT_EQ(5, cve_it->idx() ) << "Index wrong in ConstVertexEdgeIter at end";
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EXPECT_FALSE(cve_it.is_valid()) << "Iterator not invalid in VertexEdgeIter at end";
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EXPECT_TRUE( cve_it == cve_end ) << "End iterator for ConstVertexEdgeIter not matching";
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}
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/*
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* Small VertexEdgeIterator Test without holes in it
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*/
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TEST_F(OpenMeshTrimeshCirculatorVertexEdge, VertexEdgeIterBoundaryIncrement) {
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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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// Iterate around vertex 1 at the middle (with holes in between)
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Mesh::VertexEdgeIter ve_it = mesh_.ve_begin(vhandle[2]);
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Mesh::VertexEdgeIter ve_end = mesh_.ve_end(vhandle[2]);
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EXPECT_EQ(7, ve_it->idx() ) << "Index wrong in VertexEdgeIter at initialization";
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EXPECT_TRUE(ve_it.is_valid()) << "Iterator invalid in VertexEdgeIter at initialization";
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++ve_it ;
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EXPECT_EQ(1, ve_it->idx() ) << "Index wrong in VertexEdgeIter at step 1";
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EXPECT_TRUE(ve_it.is_valid()) << "Iterator invalid in VertexEdgeIter at step 1";
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++ve_it ;
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EXPECT_EQ(2, ve_it->idx() ) << "Index wrong in VertexEdgeIter at step 2";
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EXPECT_TRUE(ve_it.is_valid()) << "Iterator invalid in VertexEdgeIter at step 2";
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++ve_it ;
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EXPECT_EQ(7, ve_it->idx() ) << "Index wrong in VertexEdgeIter at step 3";
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EXPECT_FALSE(ve_it.is_valid()) << "Iterator not invalid in VertexEdgeIter at end";
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EXPECT_TRUE( ve_it == ve_end ) << "End iterator for VertexEdgeIter not matching";
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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(OpenMeshTrimeshCirculatorVertexEdge, VertexEdgeIterCheckInvalidationAtEnds) {
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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::VertexEdgeIter endIter = mesh_.ve_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_.ve_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(1,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::VertexEdgeIter startIter = mesh_.ve_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_.ve_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(OpenMeshTrimeshCirculatorVertexEdge, 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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|2 1 3|
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| / \ |
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|/ 1 \|
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3 ==== 4 */
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int ccw_indices[4] = {1, 0, 3, 5};
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int cw_indices[4];
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std::reverse_copy(ccw_indices,ccw_indices+4,cw_indices);
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Mesh::VertexHandle vh = vhandle[1];
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//CCW
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Mesh::VertexEdgeCCWIter ve_ccwit = mesh_.ve_ccwbegin(vh);
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Mesh::VertexEdgeCCWIter ve_ccwend = mesh_.ve_ccwend(vh);
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size_t i = 0;
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for (;ve_ccwit != ve_ccwend; ++ve_ccwit, ++i)
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{
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EXPECT_EQ(ccw_indices[i], ve_ccwit->idx()) << "Index wrong in VertexEdgeCCWIter";
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}
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EXPECT_FALSE(ve_ccwit.is_valid()) << "Iterator invalid in VertexEdgeCCWIter at end";
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EXPECT_TRUE( ve_ccwit == ve_ccwend ) << "End iterator for VertexEdgeCCWIter not matching";
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//constant CCW
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Mesh::ConstVertexEdgeCCWIter cve_ccwit = mesh_.cve_ccwbegin(vh);
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Mesh::ConstVertexEdgeCCWIter cve_ccwend = mesh_.cve_ccwend(vh);
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i = 0;
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for (;cve_ccwit != cve_ccwend; ++cve_ccwit, ++i)
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{
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EXPECT_EQ(ccw_indices[i], cve_ccwit->idx()) << "Index wrong in ConstVertexEdgeCCWIter";
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}
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EXPECT_FALSE(cve_ccwit.is_valid()) << "Iterator invalid in ConstVertexEdgeCCWIter at end";
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EXPECT_TRUE( cve_ccwit == cve_ccwend ) << "End iterator for ConstVertexEdgeCCWIter not matching";
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//CW
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Mesh::VertexEdgeCWIter ve_cwit = mesh_.ve_cwbegin(vh);
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Mesh::VertexEdgeCWIter ve_cwend = mesh_.ve_cwend(vh);
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i = 0;
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for (;ve_cwit != ve_cwend; ++ve_cwit, ++i)
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{
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EXPECT_EQ(cw_indices[i], ve_cwit->idx()) << "Index wrong in VertexEdgeCWIter";
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}
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EXPECT_FALSE(ve_cwit.is_valid()) << "Iterator invalid in VertexEdgeCWIter at end";
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EXPECT_TRUE( ve_cwit == ve_cwend ) << "End iterator for VertexEdgeCWIter not matching";
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//constant CW
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Mesh::ConstVertexEdgeCWIter cve_cwit = mesh_.cve_cwbegin(vh);
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Mesh::ConstVertexEdgeCWIter cve_cwend = mesh_.cve_cwend(vh);
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i = 0;
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for (;cve_cwit != cve_cwend; ++cve_cwit, ++i)
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{
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EXPECT_EQ(cw_indices[i], cve_cwit->idx()) << "Index wrong in ConstVertexEdgeCWIter";
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}
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EXPECT_FALSE(cve_cwit.is_valid()) << "Iterator invalid in ConstVertexEdgeCWIter at end";
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EXPECT_TRUE( cve_cwit == cve_cwend ) << "End iterator for ConstVertexEdgeCWIter 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::VertexEdgeCWIter ve_cwIter = mesh_.ve_cwbegin(vh);
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// a)
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EXPECT_TRUE( *ve_cwIter == *++Mesh::VertexEdgeCWIter(mesh_.ve_ccwend(vh))) << "ccw to cw conversion failed";
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EXPECT_TRUE( *++Mesh::VertexEdgeCCWIter(ve_cwIter) == *mesh_.ve_ccwend(vh) ) << "cw to ccw conversion failed";
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// b)
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EXPECT_EQ( ve_cwIter->idx(), Mesh::VertexEdgeCCWIter(ve_cwIter)->idx()) << "iterators doesnt point on the same element";
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// c)
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auto ve_ccwIter = Mesh::VertexEdgeCCWIter(ve_cwIter);
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EXPECT_EQ(ve_cwIter->idx(),ve_ccwIter->idx())<< "iterators dont point on the same element";
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++ve_cwIter;
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--ve_ccwIter;
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EXPECT_EQ(ve_cwIter->idx(),ve_ccwIter->idx()) << "iteratoes are not equal after inc/dec";
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// d)
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auto ve_cwEnd = mesh_.ve_ccwend(vh);
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ve_cwIter = Mesh::VertexEdgeCWIter(ve_cwEnd);
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EXPECT_FALSE(ve_cwIter.is_valid()) << "end iterator is not invalid";
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EXPECT_TRUE(*mesh_.ve_cwbegin(vh) == *++ve_cwIter) << "end iterators are not equal";
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}
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}
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