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libcxx/test/std/containers/associative/multimap/multimap.modifiers/insert_iter_cv.pass.cpp

68 lines
1.6 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <map>
// class multimap
// iterator insert(const_iterator position, const value_type& v);
#include <map>
#include <cassert>
#include "test_macros.h"
#include "min_allocator.h"
template <class Container>
void do_insert_hint_test()
{
typedef Container M;
typedef typename M::iterator R;
typedef typename M::value_type VT;
M m;
const VT v1(2, 2.5);
R r = m.insert(m.end(), v1);
assert(r == m.begin());
assert(m.size() == 1);
assert(r->first == 2);
assert(r->second == 2.5);
const VT v2(1, 1.5);
r = m.insert(m.end(), v2);
assert(r == m.begin());
assert(m.size() == 2);
assert(r->first == 1);
assert(r->second == 1.5);
const VT v3(3, 3.5);
r = m.insert(m.end(), v3);
assert(r == prev(m.end()));
assert(m.size() == 3);
assert(r->first == 3);
assert(r->second == 3.5);
const VT v4(3, 4.5);
r = m.insert(prev(m.end()), v4);
assert(r == prev(m.end(), 2));
assert(m.size() == 4);
assert(r->first == 3);
assert(r->second == 4.5);
}
int main()
{
do_insert_hint_test<std::multimap<int, double> >();
#if TEST_STD_VER >= 11
{
typedef std::multimap<int, double, std::less<int>, min_allocator<std::pair<const int, double>>> M;
do_insert_hint_test<M>();
}
#endif
}