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libcxx_old/test/std/containers/associative/map/map.modifiers/insert_cv.pass.cpp

74 lines
1.8 KiB
C++

//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <map>
// class map
// pair<iterator, bool> insert(const value_type& v);
#include <map>
#include <cassert>
#include "test_macros.h"
#include "min_allocator.h"
template <class Container>
void do_insert_cv_test()
{
typedef Container M;
typedef std::pair<typename M::iterator, bool> R;
typedef typename M::value_type VT;
M m;
const VT v1(2, 2.5);
R r = m.insert(v1);
assert(r.second);
assert(r.first == m.begin());
assert(m.size() == 1);
assert(r.first->first == 2);
assert(r.first->second == 2.5);
const VT v2(1, 1.5);
r = m.insert(v2);
assert(r.second);
assert(r.first == m.begin());
assert(m.size() == 2);
assert(r.first->first == 1);
assert(r.first->second == 1.5);
const VT v3(3, 3.5);
r = m.insert(v3);
assert(r.second);
assert(r.first == prev(m.end()));
assert(m.size() == 3);
assert(r.first->first == 3);
assert(r.first->second == 3.5);
const VT v4(3, 4.5);
r = m.insert(v4);
assert(!r.second);
assert(r.first == prev(m.end()));
assert(m.size() == 3);
assert(r.first->first == 3);
assert(r.first->second == 3.5);
}
int main(int, char**)
{
do_insert_cv_test<std::map<int, double> >();
#if TEST_STD_VER >= 11
{
typedef std::map<int, double, std::less<int>, min_allocator<std::pair<const int, double>>> M;
do_insert_cv_test<M>();
}
#endif
return 0;
}