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test_fields.cc
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test_fields.cc
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/**
* @file test_fields.cc
*
* @author Till Junge <till.junge@altermail.ch>
*
* @date 20 Sep 2017
*
* @brief Test Fields that are used in FieldCollections
*
* Copyright © 2017 Till Junge
*
* µSpectre is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3, or (at
* your option) any later version.
*
* µSpectre is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Emacs; see the file COPYING. If not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "tests.hh"
#include "common/field_collection.hh"
#include "common/field.hh"
#include "common/ccoord_operations.hh"
#include <boost/mpl/list.hpp>
#include <type_traits>
namespace muSpectre {
BOOST_AUTO_TEST_SUITE(field_test);
template <bool Global>
struct FieldFixture
{
constexpr static bool IsGlobal{Global};
constexpr static Dim_t Order{secondOrder};
constexpr static Dim_t SDim{twoD};
constexpr static Dim_t MDim{threeD};
constexpr static Dim_t NbComponents{ipow(MDim, Order)};
using FieldColl_t = std::conditional_t<Global,
GlobalFieldCollection<SDim>,
LocalFieldCollection<SDim>>;
using TField_t = TensorField<FieldColl_t, Real, Order, MDim>;
using DField_t = TypedField<FieldColl_t, Real>;
FieldFixture()
: tensor_field{make_field<TField_t>("TensorField", this->fc)},
dynamic_field1{
make_field<DField_t>("Dynamically sized field with correct number of"
" components", this->fc, ipow(MDim, Order))},
dynamic_field2{
make_field<DField_t>("Dynamically sized field with incorrect number"
"of components", this->fc, NbComponents+1)}
{}
~FieldFixture() = default;
FieldColl_t fc{};
TField_t & tensor_field;
DField_t & dynamic_field1;
DField_t & dynamic_field2;
};
using field_fixtures = boost::mpl::list<FieldFixture<true>, FieldFixture<false>>;
/* ---------------------------------------------------------------------- */
BOOST_FIXTURE_TEST_CASE(size_check_global, FieldFixture<true>) {
// check that fields are initialised with empty vector
BOOST_CHECK_EQUAL(tensor_field.size(), 0);
BOOST_CHECK_EQUAL(dynamic_field1.size(), 0);
BOOST_CHECK_EQUAL(dynamic_field2.size(), 0);
// check that returned size is correct
Dim_t len{2};
auto sizes{CcoordOps::get_cube<SDim>(len)};
fc.initialise(sizes, {});
auto nb_pixels{CcoordOps::get_size(sizes)};
BOOST_CHECK_EQUAL(tensor_field.size(), nb_pixels);
BOOST_CHECK_EQUAL(dynamic_field1.size(), nb_pixels);
BOOST_CHECK_EQUAL(dynamic_field2.size(), nb_pixels);
constexpr Dim_t pad_size{3};
tensor_field.set_pad_size(pad_size);
dynamic_field1.set_pad_size(pad_size);
dynamic_field2.set_pad_size(pad_size);
// check that setting pad size won't change logical size
BOOST_CHECK_EQUAL(tensor_field.size(), nb_pixels);
BOOST_CHECK_EQUAL(dynamic_field1.size(), nb_pixels);
BOOST_CHECK_EQUAL(dynamic_field2.size(), nb_pixels);
}
/* ---------------------------------------------------------------------- */
BOOST_FIXTURE_TEST_CASE(size_check_local, FieldFixture<false>) {
// check that fields are initialised with empty vector
BOOST_CHECK_EQUAL(tensor_field.size(), 0);
BOOST_CHECK_EQUAL(dynamic_field1.size(), 0);
BOOST_CHECK_EQUAL(dynamic_field2.size(), 0);
// check that returned size is correct
Dim_t nb_pixels{3};
Eigen::Array<Real, NbComponents, 1> new_elem;
Eigen::Array<Real, 1, NbComponents> wrong_elem;
for (Dim_t i{0}; i<NbComponents; ++i) {
new_elem(i) = i;
wrong_elem(i) = .1*i;
}
for (Dim_t i{0}; i < nb_pixels; ++i) {
tensor_field.push_back(new_elem);
dynamic_field1.push_back(new_elem);
BOOST_CHECK_THROW(dynamic_field1.push_back(wrong_elem), FieldError);
BOOST_CHECK_THROW(dynamic_field2.push_back(new_elem), FieldError);
}
BOOST_CHECK_EQUAL(tensor_field.size(), nb_pixels);
BOOST_CHECK_EQUAL(dynamic_field1.size(), nb_pixels);
BOOST_CHECK_EQUAL(dynamic_field2.size(), 0);
for (Dim_t i{0}; i < nb_pixels; ++i) {
fc.add_pixel({i});
}
fc.initialise();
BOOST_CHECK_EQUAL(tensor_field.size(), nb_pixels);
BOOST_CHECK_EQUAL(dynamic_field1.size(), nb_pixels);
BOOST_CHECK_EQUAL(dynamic_field2.size(), nb_pixels);
BOOST_CHECK_EQUAL(tensor_field.get_pad_size(), 0);
BOOST_CHECK_EQUAL(dynamic_field1.get_pad_size(), 0);
BOOST_CHECK_EQUAL(dynamic_field2.get_pad_size(), 0);
constexpr Dim_t pad_size{3};
tensor_field.set_pad_size(pad_size);
dynamic_field1.set_pad_size(pad_size);
dynamic_field2.set_pad_size(pad_size);
BOOST_CHECK_EQUAL(tensor_field.get_pad_size(), pad_size);
BOOST_CHECK_EQUAL(dynamic_field1.get_pad_size(), pad_size);
BOOST_CHECK_EQUAL(dynamic_field2.get_pad_size(), pad_size);
// check that setting pad size won't change logical size
BOOST_CHECK_EQUAL(tensor_field.size(), nb_pixels);
BOOST_CHECK_EQUAL(dynamic_field1.size(), nb_pixels);
BOOST_CHECK_EQUAL(dynamic_field2.size(), nb_pixels);
}
BOOST_AUTO_TEST_CASE(simple_creation) {
constexpr Dim_t sdim{twoD};
constexpr Dim_t mdim{twoD};
constexpr Dim_t order{fourthOrder};
using FC_t = GlobalFieldCollection<sdim>;
FC_t fc;
using TF_t = TensorField<FC_t, Real, order, mdim>;
auto & field{make_field<TF_t>("TensorField 1", fc)};
// check that fields are initialised with empty vector
BOOST_CHECK_EQUAL(field.size(), 0);
Dim_t len{2};
fc.initialise(CcoordOps::get_cube<sdim>(len), {});
// check that returned size is correct
BOOST_CHECK_EQUAL(field.size(), ipow(len, sdim));
// check that setting pad size won't change logical size
field.set_pad_size(24);
BOOST_CHECK_EQUAL(field.size(), ipow(len, sdim));
}
BOOST_AUTO_TEST_CASE(dynamic_field_creation) {
constexpr Dim_t sdim{threeD};
Dim_t nb_components{2};
using FC_t = GlobalFieldCollection<sdim>;
FC_t fc{};
make_field<TypedField<FC_t, Real>>("Dynamic Field", fc, nb_components);
}
BOOST_AUTO_TEST_SUITE_END();
} // muSpectre

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