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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
// SPDX-FileCopyrightText: 2020 - 2025 Kohei Yoshida
//
// SPDX-License-Identifier: MIT
#include "test_global.hpp" // This must be the first header to be included.
#include "mdds/ref_pair.hpp"
#include <iostream>
void test_basic()
{
MDDS_TEST_FUNC_SCOPE;
using rp_type = mdds::detail::ref_pair<const int, int>;
using pair_type = std::pair<int, int>;
int v1 = 11;
int v2 = 22;
rp_type rp(v1, v2);
rp.second = 34;
TEST_ASSERT(rp == pair_type(11, 34));
TEST_ASSERT(rp != pair_type(12, 34));
TEST_ASSERT(rp != pair_type(11, 32));
TEST_ASSERT(rp == rp);
int v3 = 23;
int v4 = 33;
rp_type rp2(v3, v4);
TEST_ASSERT(rp != rp2);
TEST_ASSERT(rp2 == pair_type(23, 33));
rp_type rp3(rp);
TEST_ASSERT(rp3 == rp);
}
void test_used_in_iterator()
{
MDDS_TEST_FUNC_SCOPE;
using rp_type = mdds::detail::ref_pair<int, int>;
struct fake_iterator
{
int m_v1 = 222;
int m_v2 = 456;
fake_iterator()
{}
rp_type operator*()
{
return rp_type(m_v1, m_v2);
}
rp_type operator->()
{
return rp_type(m_v1, m_v2);
}
};
fake_iterator it;
TEST_ASSERT((*it).first == 222);
TEST_ASSERT((*it).second == 456);
TEST_ASSERT(it->first == 222);
TEST_ASSERT(it->second == 456);
// Make sure the member values can be modified.
it->second = 897;
TEST_ASSERT(it->second == 897);
(*it).first = -23;
TEST_ASSERT(it->first == -23);
}
int main()
{
test_basic();
test_used_in_iterator();
return EXIT_SUCCESS;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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