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srsRAN_4G/lib/test/adt/optional_test.cc

63 lines
1.6 KiB
C++

/**
* Copyright 2013-2023 Software Radio Systems Limited
*
* This file is part of srsRAN.
*
* srsRAN is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* srsRAN 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 Affero General Public License for more details.
*
* A copy of the GNU Affero General Public License can be found in
* the LICENSE file in the top-level directory of this distribution
* and at http://www.gnu.org/licenses/.
*
*/
#include "srsran/adt/optional.h"
#include "srsran/common/test_common.h"
using namespace srsran;
void test_optional_int()
{
optional<int> opt, opt2(5);
TESTASSERT(not opt.has_value() and opt2.has_value());
TESTASSERT(not static_cast<bool>(opt) and static_cast<bool>(opt2));
TESTASSERT(opt2.value() == 5 and *opt2 == 5);
opt = 4;
TESTASSERT(opt.has_value());
TESTASSERT(opt != opt2);
opt2 = 4;
TESTASSERT(opt == opt2);
}
struct C {
std::unique_ptr<int> val;
C(int val = 0) : val(std::make_unique<int>(val)) {}
};
void test_optional_move_only()
{
optional<C> a, b;
a.emplace(C{});
TESTASSERT(a.has_value());
TESTASSERT_EQ(0, *a.value().val);
TESTASSERT(not b.has_value());
b.emplace(C{5});
a = std::move(b);
TESTASSERT_EQ(5, *a.value().val);
}
int main()
{
test_optional_int();
test_optional_move_only();
}