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opm-common/tests/test_CopyablePtr.cpp
Håkon Hægland 34ea7f3662 Add one more test
2022-09-21 15:47:41 +02:00

68 lines
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C++

/*
Copyright 2022 Equinor ASA.
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 CopyablePtrTest
#include <boost/test/unit_test.hpp>
#include <opm/utility/CopyablePtr.hpp>
#include <memory>
namespace {
template <class T>
class A {
using CopyablePtr = Opm::Utility::CopyablePtr<T>;
public:
A() : aptr_{} {}
void assign(T value) {
aptr_ = std::make_unique<T>(value);
}
const CopyablePtr& get_aptr() const {return aptr_;}
private:
CopyablePtr aptr_;
};
struct B {
double a;
int b;
int getb() {return b;}
};
} // namespace
BOOST_AUTO_TEST_SUITE ()
BOOST_AUTO_TEST_CASE (copyable)
{
A<B> a1 {};
BOOST_CHECK_MESSAGE(!a1.get_aptr(), "Boolean context operator works. Initialization with nullptr works");
a1.assign(B{1.1,2});
BOOST_CHECK_MESSAGE(a1.get_aptr().get()->a == 1.1, "Able to assign new value to pointer");
A<B> a2 = a1;
BOOST_CHECK_MESSAGE(a2.get_aptr().get()->a == 1.1, "Able to copy construct a new pointer");
a1.assign(B{1.3,3});
BOOST_CHECK_MESSAGE(a1.get_aptr().get()->a == 1.3, "Able to access new value to pointer");
BOOST_CHECK_MESSAGE(a2.get_aptr().get()->b == 2, "Copied value not affected by parent modification");
BOOST_CHECK_MESSAGE(a1.get_aptr().get()->getb() == 3, "Member access operator works");
BOOST_CHECK_MESSAGE(a1.get_aptr(), "Boolean context operator works");
}
BOOST_AUTO_TEST_SUITE_END()