56 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9// <map>10 11// map(map&&)12// noexcept(is_nothrow_move_constructible<allocator_type>::value &&13// is_nothrow_move_constructible<key_compare>::value);14 15// This tests a conforming extension16 17// UNSUPPORTED: c++0318 19#include <map>20#include <cassert>21 22#include "test_macros.h"23#include "MoveOnly.h"24#include "test_allocator.h"25 26template <class T>27struct some_comp {28 typedef T value_type;29 some_comp(const some_comp&);30 bool operator()(const T&, const T&) const { return false; }31};32 33int main(int, char**) {34#if defined(_LIBCPP_VERSION)35 typedef std::pair<const MoveOnly, MoveOnly> V;36 {37 typedef std::map<MoveOnly, MoveOnly> C;38 static_assert(std::is_nothrow_move_constructible<C>::value, "");39 }40 {41 typedef std::map<MoveOnly, MoveOnly, std::less<MoveOnly>, test_allocator<V>> C;42 static_assert(std::is_nothrow_move_constructible<C>::value, "");43 }44 {45 typedef std::map<MoveOnly, MoveOnly, std::less<MoveOnly>, other_allocator<V>> C;46 static_assert(std::is_nothrow_move_constructible<C>::value, "");47 }48#endif // _LIBCPP_VERSION49 {50 typedef std::map<MoveOnly, MoveOnly, some_comp<MoveOnly>> C;51 static_assert(!std::is_nothrow_move_constructible<C>::value, "");52 }53 54 return 0;55}56