libigl_Martin/tests/include/igl/list_to_matrix.cpp

#include <test_common.h>
#include <igl/list_to_matrix.h>
#include <igl/STR.h>
#include <tuple>

namespace list_to_matrix
{
  typedef std::tuple<int/*n*/,int/*m*/> NM;
  inline std::string NM_test_name(
    const ::testing::TestParamInfo<NM>& info)
  {
    return STR(
      std::get<0>(info.param)<<"x"<<
      std::get<1>(info.param)<<"_");
  };
}
class ListToMatrixTest : public ::testing::TestWithParam<list_to_matrix::NM> {};

TEST_P(ListToMatrixTest,matrix)
{
  const int n = std::get<0>(GetParam());
  const int m = std::get<1>(GetParam());
  std::vector<std::vector<double> > vX(n,std::vector<double>(m));
  for(int i = 0;i<n;i++)
  {
    for(int j = 0;j<m;j++)
    {
      vX[i][j] = i+j*n;
    }
  }
  Eigen::MatrixXd mX;
  igl::list_to_matrix(vX,mX);
  for(int i = 0;i<n;i++)
  {
    for(int j = 0;j<m;j++)
    {
      ASSERT_EQ(vX[i][j],mX(i,j));
    }
  }
}

INSTANTIATE_TEST_CASE_P
(
  suite,
  ListToMatrixTest,
  ::testing::ValuesIn<std::vector<list_to_matrix::NM> >(
    std::vector<list_to_matrix::NM>{
    list_to_matrix::NM{100,4},
    list_to_matrix::NM{4,100},
    list_to_matrix::NM{100,1},
    list_to_matrix::NM{1,100},
    }),
  list_to_matrix::NM_test_name
);