Parity.test.cpp

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// SPDX-FileCopyrightText: 2024 Pairinteraction Developers
// SPDX-License-Identifier: LGPL-3.0-or-later
 
#include "pairinteraction/enums/Parity.hpp"
 
#include <algorithm>
#include <doctest/doctest.h>
#include <vector>
 
namespace pairinteraction {
DOCTEST_TEST_CASE("compare parities") {
    auto p1 = Parity::ODD;
    auto p2 = Parity::EVEN;
    auto p3 = Parity::UNKNOWN;
    DOCTEST_CHECK(p1 < p2);
    DOCTEST_CHECK(p2 < p3);
}
 
DOCTEST_TEST_CASE("print parities") {
    auto p1 = Parity::ODD;
    auto p2 = Parity::EVEN;
    auto p3 = Parity::UNKNOWN;
    DOCTEST_MESSAGE("Parity: ", p1);
    DOCTEST_MESSAGE("Parity: ", p2);
 
    std::ostream os(nullptr);
    CHECK_THROWS_AS(os << p3, std::runtime_error);
}
 
DOCTEST_TEST_CASE("sort parities") {
    std::vector<Parity> parities{Parity::UNKNOWN, Parity::EVEN, Parity::ODD};
    std::sort(parities.begin(), parities.end());
    DOCTEST_CHECK(parities[0] == Parity::ODD);
    DOCTEST_CHECK(parities[1] == Parity::EVEN);
    DOCTEST_CHECK(parities[2] == Parity::UNKNOWN);
}
} // namespace pairinteraction