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//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// <unordered_map>
// template <class Key, class T, class Hash = hash<Key>, class Pred = equal_to<Key>,
// class Alloc = allocator<pair<const Key, T>>>
// class unordered_map
// iterator insert(const_iterator p, const value_type& x);
#include <unordered_map>
#include <cassert>
#include "test_macros.h"
#include "min_allocator.h"
template<class Container>
void do_insert_hint_const_lvalue_test()
{
typedef Container C;
typedef typename C::iterator R;
typedef typename C::value_type VT;
C c;
typename C::const_iterator e = c.end();
const VT v1(3.5, 3);
R r = c.insert(e, v1);
assert(c.size() == 1);
assert(r->first == 3.5);
assert(r->second == 3);
const VT v2(3.5, 4);
r = c.insert(c.end(), v2);
assert(c.size() == 1);
assert(r->first == 3.5);
assert(r->second == 3);
const VT v3(4.5, 4);
r = c.insert(c.end(), v3);
assert(c.size() == 2);
assert(r->first == 4.5);
assert(r->second == 4);
const VT v4(5.5, 4);
r = c.insert(c.end(), v4);
assert(c.size() == 3);
assert(r->first == 5.5);
assert(r->second == 4);
}
int main(int, char**)
{
do_insert_hint_const_lvalue_test<std::unordered_map<double, int> >();
#if TEST_STD_VER >= 11
{
typedef std::unordered_map<double, int, std::hash<double>, std::equal_to<double>,
min_allocator<std::pair<const double, int>>> C;
do_insert_hint_const_lvalue_test<C>();
}
#endif
return 0;
}