opm-simulators/tests/cuistl/test_safe_conversion.cpp
2023-05-12 08:23:18 +02:00

59 lines
1.9 KiB
C++

/*
Copyright 2023 SINTEF AS
This file is part of the Open Porous Media project (OPM).
OPM 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 of the License, or
(at your option) any later version.
OPM 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 OPM. If not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#define BOOST_TEST_MODULE TestSafeConversion
#include <boost/test/unit_test.hpp>
#include <opm/simulators/linalg/cuistl/detail/safe_conversion.hpp>
BOOST_AUTO_TEST_CASE(TestToIntThrowsOutofRange)
{
BOOST_CHECK_THROW(Opm::cuistl::detail::to_int(size_t(std::numeric_limits<int>::max()) + size_t(1));
, std::invalid_argument);
}
BOOST_AUTO_TEST_CASE(TestToIntConvertInRange)
{
// This might seem slow, but it is really fast:
for (size_t i = 0; i <= size_t(1024 * 1024); ++i) {
BOOST_CHECK_EQUAL(int(i), Opm::cuistl::detail::to_int(i));
}
BOOST_CHECK_EQUAL(std::numeric_limits<int>::max(),
Opm::cuistl::detail::to_int(size_t(std::numeric_limits<int>::max())));
}
BOOST_AUTO_TEST_CASE(TestToSizeTThrowsOutofRange)
{
BOOST_CHECK_THROW(Opm::cuistl::detail::to_size_t(-1);, std::invalid_argument);
}
BOOST_AUTO_TEST_CASE(TestToSizeTConvertInRange)
{
// This might seem slow, but it is really fast:
for (int i = 0; i <= 1024 * 1024; ++i) {
BOOST_CHECK_EQUAL(size_t(i), Opm::cuistl::detail::to_size_t(i));
}
BOOST_CHECK_EQUAL(size_t(std::numeric_limits<int>::max()),
Opm::cuistl::detail::to_size_t(std::numeric_limits<int>::max()));
}