4020a879e6
git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@1234 fdac6126-5c0c-442c-9429-916003d36597
355 lines
12 KiB
C++
355 lines
12 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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#include <algorithm>
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namespace {
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class OpenMeshTrimeshCirculatorFaceHalfEdge : 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 FaceHalfedgeIterator Test
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*/
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//TEST_F(OpenMeshTrimeshCirculatorFaceHalfEdge, FaceHalfedgeIterWithoutHolesIncrement) {
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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[6];
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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(3, 0, 0));
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// vhandle[4] = mesh_.add_vertex(Mesh::Point(4, 1, 0));
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// vhandle[5] = mesh_.add_vertex(Mesh::Point(2,-1, 0));
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//
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// // Add three 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_.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[3]);
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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[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[1]);
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// face_vhandles.push_back(vhandle[5]);
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// face_vhandles.push_back(vhandle[3]);
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// mesh_.add_face(face_vhandles);
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//
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// /* Test setup:
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// *
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// * 0 ------ 2 ------ 4
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// * \ / \ /
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// * \ 0 / \ 2 /
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// * \ / 1 \ /
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// * 1 ------- 3
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// * \ /
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// * \ 3 /
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// * \ /
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// * \ /
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// * 5
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// */
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//
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//
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// Mesh::FaceHalfedgeIter fh_it = mesh_.fh_begin(mesh_.face_handle(1));
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// Mesh::FaceHalfedgeIter fh_end = mesh_.fh_end(mesh_.face_handle(1));
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//
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// EXPECT_EQ(8, fh_it->idx() ) << "Index wrong in FaceHalfedgeIter at initialization";
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// EXPECT_TRUE(fh_it.is_valid()) << "Iterator invalid in FaceHalfedgeIter at initialization";
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// ++fh_it;
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// EXPECT_EQ(3, fh_it->idx() ) << "Index wrong in FaceHalfedgeIter at step 1";
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// EXPECT_TRUE(fh_it.is_valid()) << "Iterator invalid in FaceHalfedgeIter at step 1";
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// ++fh_it;
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// EXPECT_EQ(6, fh_it->idx() ) << "Index wrong in FaceHalfedgeIter at step 2";
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// EXPECT_TRUE(fh_it.is_valid()) << "Iterator invalid in FaceHalfedgeIter at step 2";
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// ++fh_it;
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// EXPECT_EQ(8, fh_it->idx() ) << "Index wrong in FaceHalfedgeIter at end";
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// EXPECT_FALSE(fh_it.is_valid()) << "Iterator invalid in FaceHalfedgeIter at end";
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// EXPECT_TRUE( fh_it == fh_end ) << "End iterator for FaceHalfedgeIter not matching";
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//
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// Mesh::ConstFaceHalfedgeIter cfh_it = mesh_.cfh_begin(mesh_.face_handle(1));
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// Mesh::ConstFaceHalfedgeIter cfh_end = mesh_.cfh_end(mesh_.face_handle(1));
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//
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// EXPECT_EQ(8, cfh_it->idx() ) << "Index wrong in ConstFaceHalfedgeIter at initialization";
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// EXPECT_TRUE(cfh_it.is_valid()) << "Iterator invalid in ConstFaceHalfedgeIter at initialization";
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// ++cfh_it;
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// EXPECT_EQ(3, cfh_it->idx() ) << "Index wrong in ConstFaceHalfedgeIter at step 1";
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// EXPECT_TRUE(cfh_it.is_valid()) << "Iterator invalid in ConstFaceHalfedgeIter at step 1";
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// ++cfh_it;
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// EXPECT_EQ(6, cfh_it->idx() ) << "Index wrong in ConstFaceHalfedgeIter at step 2";
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// EXPECT_TRUE(cfh_it.is_valid()) << "Iterator invalid in ConstFaceHalfedgeIter at step 2";
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// ++cfh_it;
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// EXPECT_EQ(8, cfh_it->idx() ) << "Index wrong in ConstFaceHalfedgeIter at end";
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// EXPECT_FALSE(cfh_it.is_valid()) << "Iterator invalid in ConstFaceHalfedgeIter at end";
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// EXPECT_TRUE( cfh_it == cfh_end ) << "End iterator for ConstFaceHalfedgeIter not matching";
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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(OpenMeshTrimeshCirculatorFaceHalfEdge, CWAndCCWTest) {
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mesh_.clear();
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// Add some vertices
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Mesh::VertexHandle vhandle[6];
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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(3, 0, 0));
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vhandle[4] = mesh_.add_vertex(Mesh::Point(4, 1, 0));
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vhandle[5] = mesh_.add_vertex(Mesh::Point(2,-1, 0));
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// Add three 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[2]);
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face_vhandles.push_back(vhandle[1]);
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face_vhandles.push_back(vhandle[3]);
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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[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[1]);
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face_vhandles.push_back(vhandle[5]);
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face_vhandles.push_back(vhandle[3]);
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mesh_.add_face(face_vhandles);
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/* Test setup:
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*
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* 0 ------ 2 ------ 4
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* \ / \ /
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* \ 0 / \ 2 /
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* \ / 1 \ /
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* 1 ------- 3
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* \ /
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* \ 3 /
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* \ /
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* \ /
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* 5
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*/
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int indices[4] = {8, 3, 6, 8};
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int rev_indices[4];
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std::reverse_copy(indices,indices+4,rev_indices);
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//CCW
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Mesh::FaceHalfedgeCCWIter fh_ccwit = mesh_.fh_ccwbegin(mesh_.face_handle(1));
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Mesh::FaceHalfedgeCCWIter fh_ccwend = mesh_.fh_ccwend(mesh_.face_handle(1));
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size_t i = 0;
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for (;fh_ccwit != fh_ccwend; ++fh_ccwit, ++i)
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{
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EXPECT_EQ(indices[i], fh_ccwit->idx()) << "Index wrong in FaceHalfedgeIter";
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}
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EXPECT_FALSE(fh_ccwit.is_valid()) << "Iterator invalid in FaceHalfedgeIter at end";
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EXPECT_TRUE( fh_ccwit == fh_ccwend ) << "End iterator for FaceHalfedgeIter not matching";
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//constant CCW
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Mesh::ConstFaceHalfedgeCCWIter cfh_ccwit = mesh_.cfh_ccwbegin(mesh_.face_handle(1));
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Mesh::ConstFaceHalfedgeCCWIter cfh_ccwend = mesh_.cfh_ccwend(mesh_.face_handle(1));
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i = 0;
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for (;cfh_ccwit != cfh_ccwend; ++cfh_ccwit, ++i)
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{
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EXPECT_EQ(indices[i], cfh_ccwit->idx()) << "Index wrong in ConstFaceHalfedgeIter";
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}
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EXPECT_FALSE(cfh_ccwit.is_valid()) << "Iterator invalid in ConstFaceHalfedgeIter at end";
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EXPECT_TRUE( cfh_ccwit == cfh_ccwend ) << "End iterator for ConstFaceHalfedgeIter not matching";
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//CW
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Mesh::FaceHalfedgeCWIter fh_cwit = mesh_.fh_cwbegin(mesh_.face_handle(1));
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Mesh::FaceHalfedgeCWIter fh_cwend = mesh_.fh_cwend(mesh_.face_handle(1));
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i = 0;
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for (;fh_cwit != fh_cwend; ++fh_cwit, ++i)
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{
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EXPECT_EQ(rev_indices[i], fh_cwit->idx()) << "Index wrong in FaceHalfedgeCWIter";
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}
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EXPECT_FALSE(fh_cwit.is_valid()) << "Iterator invalid in FaceHalfedgeCWIter at end";
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EXPECT_TRUE( fh_cwit == fh_cwend ) << "End iterator for FaceHalfedgeCWIter not matching";
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//constant CW
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Mesh::ConstFaceHalfedgeCWIter cfh_cwit = mesh_.cfh_cwbegin(mesh_.face_handle(1));
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Mesh::ConstFaceHalfedgeCWIter cfh_cwend = mesh_.cfh_cwend(mesh_.face_handle(1));
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i = 0;
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for (;cfh_cwit != cfh_cwend; ++cfh_cwit, ++i)
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{
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EXPECT_EQ(rev_indices[i], cfh_cwit->idx()) << "Index wrong in ConstFaceHalfedgeCWIter";
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}
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EXPECT_FALSE(cfh_cwit.is_valid()) << "Iterator invalid in ConstFaceHalfedgeCWIter at end";
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EXPECT_TRUE( cfh_cwit == cfh_cwend ) << "End iterator for ConstFaceHalfedgeCWIter 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::FaceHalfedgeCWIter fh_cwIter = mesh_.fh_cwbegin(mesh_.face_handle(1));
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// a)
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EXPECT_TRUE( fh_cwIter == Mesh::FaceHalfedgeCWIter(mesh_.fh_ccwbegin(mesh_.face_handle(1))) ) << "ccw to cw conversion failed";
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EXPECT_TRUE( Mesh::FaceHalfedgeCCWIter(fh_cwIter) == mesh_.fh_ccwbegin(mesh_.face_handle(1)) ) << "cw to ccw conversion failed";
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// b)
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EXPECT_EQ( fh_cwIter->idx(), Mesh::FaceHalfedgeCCWIter(fh_cwIter)->idx()) << "iterators doesnt point on the same element";
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// c)
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++fh_cwIter;
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fh_ccwend = mesh_.fh_ccwend(mesh_.face_handle(1));
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--fh_ccwend;
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EXPECT_EQ(fh_cwIter->idx(),fh_ccwend->idx()) << "iteratoes are not equal after inc/dec";
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// additional conversion check
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fh_ccwend = Mesh::FaceHalfedgeCCWIter(fh_cwIter);
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EXPECT_EQ(fh_cwIter->idx(),fh_ccwend->idx())<< "iterators doesnt point on the same element";
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// d)
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fh_cwIter = Mesh::FaceHalfedgeCWIter(mesh_.fh_ccwend(mesh_.face_handle(1)));
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EXPECT_FALSE(fh_cwIter.is_valid()) << "end iterator is not invalid";
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EXPECT_TRUE(Mesh::FaceHalfedgeCCWIter(mesh_.fh_cwend(mesh_.face_handle(1))) == mesh_.fh_ccwend(mesh_.face_handle(1))) << "end iterators are not equal";
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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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*/
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//TEST_F(OpenMeshTrimeshCirculatorFaceHalfEdge, FaceHalfedgeIterCheckInvalidationAtEnds) {
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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::FaceHalfedgeIter endIter = mesh_.fh_end(fh0);
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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_.fh_end(fh0);
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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::FaceHalfedgeIter startIter = mesh_.fh_begin(fh0);
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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_.fh_begin(fh0)->idx()) << "StartIter points on the wrong element";
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//
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//}
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}
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