mdds/test/ref_pair_test.cpp

112 lines
2.9 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* Copyright (c) 2020 Kohei Yoshida
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
************************************************************************/
#include "test_global.hpp" // This must be the first header to be included.
#include "mdds/ref_pair.hpp"
#include <iostream>
using namespace std;
void test_basic()
{
stack_printer __stack_printer__("::test_basic");
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;
assert(rp == pair_type(11, 34));
assert(rp != pair_type(12, 34));
assert(rp != pair_type(11, 32));
assert(rp == rp);
int v3 = 23;
int v4 = 33;
rp_type rp2(v3, v4);
assert(rp != rp2);
assert(rp2 == pair_type(23, 33));
rp_type rp3(rp);
assert(rp3 == rp);
}
void test_used_in_iterator()
{
stack_printer __stack_printer__("::test_used_in_iterator");
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;
assert((*it).first == 222);
assert((*it).second == 456);
assert(it->first == 222);
assert(it->second == 456);
// Make sure the member values can be modified.
it->second = 897;
assert(it->second == 897);
(*it).first = -23;
assert(it->first == -23);
}
int main()
{
test_basic();
test_used_in_iterator();
return EXIT_SUCCESS;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */