4020a879e6
git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@1234 fdac6126-5c0c-442c-9429-916003d36597
345 lines
11 KiB
C++
345 lines
11 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 OpenMeshTrimeshCirculatorFaceVertex : 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 FaceVertexIterator Test
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*/
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TEST_F(OpenMeshTrimeshCirculatorFaceVertex, FaceVertexIterWithoutIncrement) {
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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::FaceHandle fh0 = 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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// Check face handle index
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EXPECT_EQ(0, fh0.idx() ) << "Index wrong in FaceVertexIter at initialization";
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// Iterate around vertex 1 at the middle (with holes in between)
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Mesh::FaceVertexIter fv_it = mesh_.fv_begin(fh0);
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Mesh::FaceVertexIter fv_end = mesh_.fv_end(fh0);
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EXPECT_EQ(0, fv_it->idx() ) << "Index wrong in FaceVertexIter at initialization";
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EXPECT_TRUE(fv_it.is_valid()) << "Iterator invalid in FaceVertexIter at initialization";
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++fv_it ;
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EXPECT_EQ(1, fv_it->idx() ) << "Index wrong in FaceVertexIter at step 1";
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EXPECT_TRUE(fv_it.is_valid()) << "Iterator invalid in FaceVertexIter at step 1";
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++fv_it ;
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EXPECT_EQ(2, fv_it->idx() ) << "Index wrong in FaceVertexIter at step 2";
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EXPECT_TRUE(fv_it.is_valid()) << "Iterator invalid in FaceVertexIter at step 2";
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++fv_it ;
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EXPECT_EQ(0, fv_it->idx() ) << "Index wrong in FaceVertexIter at step 3";
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EXPECT_FALSE(fv_it.is_valid()) << "Iterator invalid in FaceVertexIter at step 3";
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EXPECT_TRUE( fv_it == fv_end ) << "End iterator for FaceVertexIter 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::ConstFaceVertexIter cfv_it = mesh_.cfv_begin(fh0);
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Mesh::ConstFaceVertexIter cfv_end = mesh_.cfv_end(fh0);
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EXPECT_EQ(0, cfv_it->idx() ) << "Index wrong in ConstFaceVertexIter at initialization";
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EXPECT_TRUE(cfv_it.is_valid()) << "Iterator invalid in ConstFaceVertexIter at initialization";
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++cfv_it ;
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EXPECT_EQ(1, cfv_it->idx() ) << "Index wrong in ConstFaceVertexIter at step 1";
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EXPECT_TRUE(cfv_it.is_valid()) << "Iterator invalid in ConstFaceVertexIter at step 1";
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++cfv_it ;
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EXPECT_EQ(2, cfv_it->idx() ) << "Index wrong in ConstFaceVertexIter at step 2";
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EXPECT_TRUE(cfv_it.is_valid()) << "Iterator invalid in ConstFaceVertexIter at step 2";
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++cfv_it ;
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EXPECT_EQ(0, cfv_it->idx() ) << "Index wrong in ConstFaceVertexIter at step 3";
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EXPECT_FALSE(cfv_it.is_valid()) << "Iterator invalid in ConstFaceVertexIter at step 3";
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EXPECT_TRUE( cfv_it == cfv_end ) << "End iterator for ConstFaceVertexIter 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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*/
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//TEST_F(OpenMeshTrimeshCirculatorFaceVertex, FaceVertexIterCheckInvalidationAtEnds) {
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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::FaceVertexIter endIter = mesh_.fv_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_.fv_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::FaceVertexIter startIter = mesh_.fv_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_.fv_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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* Test CW and CCW iterators
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*/
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TEST_F(OpenMeshTrimeshCirculatorFaceVertex, 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::FaceHandle fh0 = mesh_.add_face(face_vhandles);
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face_vhandles.clear();
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face_vhandles.push_back(vhandle[1]);
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face_vhandles.push_back(vhandle[3]);
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face_vhandles.push_back(vhandle[4]);
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mesh_.add_face(face_vhandles);
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face_vhandles.clear();
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face_vhandles.push_back(vhandle[0]);
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face_vhandles.push_back(vhandle[3]);
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face_vhandles.push_back(vhandle[1]);
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mesh_.add_face(face_vhandles);
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face_vhandles.clear();
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face_vhandles.push_back(vhandle[2]);
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face_vhandles.push_back(vhandle[1]);
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face_vhandles.push_back(vhandle[4]);
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mesh_.add_face(face_vhandles);
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/* Test setup:
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0 ==== 2
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|\ 0 /|
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| \ / |
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|2 1 3|
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| / \ |
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|/ 1 \|
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3 ==== 4 */
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int indices[4] = {0, 1, 2, 0};
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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::FaceVertexCCWIter fv_ccwit = mesh_.fv_ccwbegin(fh0);
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Mesh::FaceVertexCCWIter fv_ccwend = mesh_.fv_ccwend(fh0);
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size_t i = 0;
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for (;fv_ccwit != fv_ccwend; ++fv_ccwit, ++i)
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{
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EXPECT_EQ(indices[i], fv_ccwit->idx()) << "Index wrong in FaceVertexCCWIter";
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}
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EXPECT_FALSE(fv_ccwit.is_valid()) << "Iterator invalid in FaceVertexCCWIter at end";
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EXPECT_TRUE( fv_ccwit == fv_ccwend ) << "End iterator for FaceVertexCCWIter not matching";
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//constant CCW
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Mesh::ConstFaceVertexCCWIter cfv_ccwit = mesh_.cfv_ccwbegin(fh0);
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Mesh::ConstFaceVertexCCWIter cfv_ccwend = mesh_.cfv_ccwend(fh0);
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i = 0;
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for (;cfv_ccwit != cfv_ccwend; ++cfv_ccwit, ++i)
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{
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EXPECT_EQ(indices[i], cfv_ccwit->idx()) << "Index wrong in ConstFaceVertexCCWIter";
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}
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EXPECT_FALSE(cfv_ccwit.is_valid()) << "Iterator invalid in ConstFaceVertexCCWIter at end";
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EXPECT_TRUE( cfv_ccwit == cfv_ccwend ) << "End iterator for ConstFaceVertexCCWIter not matching";
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//CW
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Mesh::FaceVertexCWIter fv_cwit = mesh_.fv_cwbegin(fh0);
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Mesh::FaceVertexCWIter fv_cwend = mesh_.fv_cwend(fh0);
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i = 0;
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for (;fv_cwit != fv_cwend; ++fv_cwit, ++i)
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{
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EXPECT_EQ(rev_indices[i], fv_cwit->idx()) << "Index wrong in FaceVertexCWIter";
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}
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EXPECT_FALSE(fv_cwit.is_valid()) << "Iterator invalid in FaceVertexCWIter at end";
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EXPECT_TRUE( fv_cwit == fv_cwend ) << "End iterator for FaceVertexCWIter not matching";
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//constant CW
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Mesh::ConstFaceVertexCWIter cfv_cwit = mesh_.cfv_cwbegin(fh0);
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Mesh::ConstFaceVertexCWIter cfv_cwend = mesh_.cfv_cwend(fh0);
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i = 0;
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for (;cfv_cwit != cfv_cwend; ++cfv_cwit, ++i)
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{
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EXPECT_EQ(rev_indices[i], cfv_cwit->idx()) << "Index wrong in ConstFaceVertexCWIter";
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}
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EXPECT_FALSE(cfv_cwit.is_valid()) << "Iterator invalid in ConstFaceVertexCWIter at end";
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EXPECT_TRUE( cfv_cwit == cfv_cwend ) << "End iterator for ConstFaceVertexCWIter 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::FaceVertexCWIter fv_cwIter = mesh_.fv_cwbegin(mesh_.face_handle(1));
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// a)
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EXPECT_TRUE( fv_cwIter == Mesh::FaceVertexCWIter(mesh_.fv_ccwbegin(mesh_.face_handle(1))) ) << "ccw to cw conversion failed";
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EXPECT_TRUE( Mesh::FaceVertexCCWIter(fv_cwIter) == mesh_.fv_ccwbegin(mesh_.face_handle(1)) ) << "cw to ccw conversion failed";
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// b)
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EXPECT_EQ( fv_cwIter->idx(), Mesh::FaceVertexCCWIter(fv_cwIter)->idx()) << "iterators doesnt point on the same element";
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// c)
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++fv_cwIter;
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fv_ccwend = mesh_.fv_ccwend(mesh_.face_handle(1));
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--fv_ccwend;
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EXPECT_EQ(fv_cwIter->idx(),fv_ccwend->idx()) << "iteratoes are not equal after inc/dec";
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// additional conversion check
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fv_ccwend = Mesh::FaceVertexCCWIter(fv_cwIter);
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EXPECT_EQ(fv_cwIter->idx(),fv_ccwend->idx())<< "iterators doesnt point on the same element";
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// d)
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fv_cwIter = Mesh::FaceVertexCWIter(mesh_.fv_ccwend(mesh_.face_handle(1)));
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EXPECT_FALSE(fv_cwIter.is_valid()) << "end iterator is not invalid";
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EXPECT_TRUE(Mesh::FaceVertexCCWIter(mesh_.fv_cwend(mesh_.face_handle(1))) == mesh_.fv_ccwend(mesh_.face_handle(1))) << "end iterators are not equal";
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}
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}
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