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/************************************************************************
*
* Copyright (C) 2022-2024 IRCAD France
*
* This file is part of Sight.
*
* Sight is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Sight 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Sight. If not, see <https://www.gnu.org/licenses/>.
*
***********************************************************************/
#include "real_test.hpp"
#include <data/real.hpp>
#include <limits>
#include <numbers>
// Registers the fixture into the 'registry'
CPPUNIT_TEST_SUITE_REGISTRATION(sight::data::ut::real_test);
namespace sight::data::ut
{
//------------------------------------------------------------------------------
void real_test::setUp()
{
// Set up context before running a test.
}
//------------------------------------------------------------------------------
void real_test::tearDown()
{
// Clean up after the test run.
}
//------------------------------------------------------------------------------
void real_test::basic()
{
{
sight::data::real r;
CPPUNIT_ASSERT(r.is_type_of("sight::data::real"));
CPPUNIT_ASSERT(r.is_type_of("sight::data::string_serializable"));
}
constexpr std::array values = {std::numbers::pi, 0.0, 2.04, 10., std::numeric_limits<double>::infinity()};
constexpr std::array nan_values = {
std::numeric_limits<double>::quiet_NaN(),
std::numeric_limits<double>::signaling_NaN()
};
for(double value : values)
{
auto d0 = std::make_shared<data::real>();
d0->value() = value;
auto d1 = std::make_shared<data::real>(value);
auto d2 = std::make_shared<data::real>(value + 0.1);
auto d3 = std::make_shared<data::real>();
d3->shallow_copy(d1);
auto d4 = std::make_shared<data::real>();
d4->deep_copy(d1);
CPPUNIT_ASSERT(*d0 == *d1);
if(std::isinf(value))
{
CPPUNIT_ASSERT(*d0 == *d2);
}
else
{
CPPUNIT_ASSERT(*d0 != *d2);
}
CPPUNIT_ASSERT_EQUAL(value, d0->value());
CPPUNIT_ASSERT_EQUAL(value, d1->value());
CPPUNIT_ASSERT_EQUAL(value, std::make_shared<data::real>(value)->value());
CPPUNIT_ASSERT_EQUAL(value, d3->value());
CPPUNIT_ASSERT_EQUAL(value, d4->value());
}
for(double value : nan_values)
{
auto d0 = std::make_shared<data::real>();
d0->value() = value;
auto d1 = std::make_shared<data::real>(value);
auto d2 = std::make_shared<data::real>();
d2->shallow_copy(d1);
auto d3 = std::make_shared<data::real>();
d3->deep_copy(d1);
// Our implementation of "==" operator for NaN is not the same as the one of the C++ standard
CPPUNIT_ASSERT(*d0 == *d1);
CPPUNIT_ASSERT(*d0 == *d2);
CPPUNIT_ASSERT(*d0 == *d3);
CPPUNIT_ASSERT(!(value == d0->value()));
CPPUNIT_ASSERT(!(value < d0->value()));
CPPUNIT_ASSERT(!(value > d0->value()));
CPPUNIT_ASSERT(!(value == d1->value()));
CPPUNIT_ASSERT(!(value < d1->value()));
CPPUNIT_ASSERT(!(value > d1->value()));
CPPUNIT_ASSERT(!(value == std::make_shared<data::real>(value)->value()));
CPPUNIT_ASSERT(!(value < std::make_shared<data::real>(value)->value()));
CPPUNIT_ASSERT(!(value > std::make_shared<data::real>(value)->value()));
}
}
} // namespace sight::data::ut
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