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//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
// <unordered_map>
// template <class Key, class T, class Hash, class Pred, class Allocator, class Predicate>
// void erase_if(unordered_multimap<Key, T, Hash, Pred, Allocator>& c, Predicate pred);
#include <unordered_map>
#include "test_macros.h"
#include "test_allocator.h"
#include "min_allocator.h"
using Init = std::initializer_list<int>;
template <typename M>
M make (Init vals)
{
M ret;
for (int v : vals)
ret.insert(typename M::value_type(v, v + 10));
return ret;
}
template <typename M, typename Pred>
void
test0(Init vals, Pred p, Init expected)
{
M s = make<M> (vals);
ASSERT_SAME_TYPE(void, decltype(std::erase_if(s, p)));
std::erase_if(s, p);
M e = make<M>(expected);
assert((std::is_permutation(s.begin(), s.end(), e.begin(), e.end())));
}
template <typename S>
void test()
{
auto is1 = [](auto v) { return v.first == 1;};
auto is2 = [](auto v) { return v.first == 2;};
auto is3 = [](auto v) { return v.first == 3;};
auto is4 = [](auto v) { return v.first == 4;};
auto True = [](auto) { return true; };
auto False = [](auto) { return false; };
test0<S>({}, is1, {});
test0<S>({1}, is1, {});
test0<S>({1}, is2, {1});
test0<S>({1,2}, is1, {2});
test0<S>({1,2}, is2, {1});
test0<S>({1,2}, is3, {1,2});
test0<S>({1,1}, is1, {});
test0<S>({1,1}, is3, {1,1});
test0<S>({1,2,3}, is1, {2,3});
test0<S>({1,2,3}, is2, {1,3});
test0<S>({1,2,3}, is3, {1,2});
test0<S>({1,2,3}, is4, {1,2,3});
test0<S>({1,1,1}, is1, {});
test0<S>({1,1,1}, is2, {1,1,1});
test0<S>({1,1,2}, is1, {2});
test0<S>({1,1,2}, is2, {1,1});
test0<S>({1,1,2}, is3, {1,1,2});
test0<S>({1,2,2}, is1, {2,2});
test0<S>({1,2,2}, is2, {1});
test0<S>({1,2,2}, is3, {1,2,2});
test0<S>({1,2,3}, True, {});
test0<S>({1,2,3}, False, {1,2,3});
}
int main()
{
test<std::unordered_multimap<int, int>>();
test<std::unordered_multimap<int, int, std::hash<int>, std::equal_to<int>, min_allocator<std::pair<const int, int>>>> ();
test<std::unordered_multimap<int, int, std::hash<int>, std::equal_to<int>, test_allocator<std::pair<const int, int>>>> ();
test<std::unordered_multimap<long, short>>();
test<std::unordered_multimap<short, double>>();
}
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