79 lines
2.2 KiB
C++
79 lines
2.2 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
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// UNSUPPORTED: c++03, c++11, c++14
|
|
|
|
// <map>
|
|
|
|
// class map
|
|
|
|
// node_type extract(key_type const&);
|
|
|
|
#include <map>
|
|
#include "test_macros.h"
|
|
#include "min_allocator.h"
|
|
#include "Counter.h"
|
|
|
|
template <class Container, class KeyTypeIter>
|
|
void test(Container& c, KeyTypeIter first, KeyTypeIter last)
|
|
{
|
|
size_t sz = c.size();
|
|
assert((size_t)std::distance(first, last) == sz);
|
|
|
|
for (KeyTypeIter copy = first; copy != last; ++copy)
|
|
{
|
|
typename Container::node_type t = c.extract(*copy);
|
|
assert(!t.empty());
|
|
--sz;
|
|
assert(t.key() == *copy);
|
|
t.key() = *first; // We should be able to mutate key.
|
|
assert(t.key() == *first);
|
|
assert(t.get_allocator() == c.get_allocator());
|
|
assert(sz == c.size());
|
|
}
|
|
|
|
assert(c.size() == 0);
|
|
|
|
for (KeyTypeIter copy = first; copy != last; ++copy)
|
|
{
|
|
typename Container::node_type t = c.extract(*copy);
|
|
assert(t.empty());
|
|
}
|
|
}
|
|
|
|
int main(int, char**)
|
|
{
|
|
{
|
|
std::map<int, int> m = {{1,1}, {2,2}, {3,3}, {4,4}, {5,5}, {6,6}};
|
|
int keys[] = {1, 2, 3, 4, 5, 6};
|
|
test(m, std::begin(keys), std::end(keys));
|
|
}
|
|
|
|
{
|
|
std::map<Counter<int>, Counter<int>> m =
|
|
{{1,1}, {2,2}, {3,3}, {4,4}, {5,5}, {6,6}};
|
|
{
|
|
Counter<int> keys[] = {1, 2, 3, 4, 5, 6};
|
|
assert(Counter_base::gConstructed == 12+6);
|
|
test(m, std::begin(keys), std::end(keys));
|
|
}
|
|
assert(Counter_base::gConstructed == 0);
|
|
}
|
|
|
|
{
|
|
using min_alloc_map =
|
|
std::map<int, int, std::less<int>,
|
|
min_allocator<std::pair<const int, int>>>;
|
|
min_alloc_map m = {{1, 1}, {2, 2}, {3, 3}, {4, 4}, {5, 5}, {6, 6}};
|
|
int keys[] = {1, 2, 3, 4, 5, 6};
|
|
test(m, std::begin(keys), std::end(keys));
|
|
}
|
|
|
|
return 0;
|
|
}
|