/*
 * Copyright (C) 2019 Emeric Poupon
 *
 * This file is part of LMS.
 *
 * LMS 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.
 *
 * LMS 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 LMS.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <gtest/gtest.h>

#include "core/EnumSet.hpp"

namespace lms::core
{
    TEST(EnumSet, ctr)
    {
        enum class Foo
        {
            One,
            Two,
        };

        {
            constexpr EnumSet<Foo> test;

            static_assert(test.size() == 0);
            static_assert(test.empty());
            static_assert(!test.contains(Foo::One));
            static_assert(!test.contains(Foo::Two));
        }

        {
            constexpr EnumSet<Foo> test{ Foo::One };

            static_assert(test.size() == 1);
            static_assert(!test.empty());
            static_assert(test.contains(Foo::One));
            static_assert(!test.contains(Foo::Two));

            EXPECT_TRUE(!test.empty());
            EXPECT_TRUE(test.contains(Foo::One));
            EXPECT_FALSE(test.contains(Foo::Two));

            static_assert(test.getBitfield() != 0);
        }

        {
            constexpr EnumSet<Foo> test{ Foo::One, Foo::Two };
            constexpr auto bitfield{ test.getBitfield() };

            static_assert(test.size() == 2);

            EnumSet<Foo> test2;
            EXPECT_FALSE(test2.contains(Foo::One));
            EXPECT_FALSE(test2.contains(Foo::Two));

            test2.setBitfield(bitfield);

            EXPECT_TRUE(test2.contains(Foo::One));
            EXPECT_TRUE(test2.contains(Foo::Two));
            EXPECT_EQ(test, test2);
        }
    }
} // namespace lms::core