55 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// <set>10 11// set(set&&)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 <set>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 {36 typedef std::set<MoveOnly> C;37 static_assert(std::is_nothrow_move_constructible<C>::value, "");38 }39 {40 typedef std::set<MoveOnly, std::less<MoveOnly>, test_allocator<MoveOnly>> C;41 static_assert(std::is_nothrow_move_constructible<C>::value, "");42 }43 {44 typedef std::set<MoveOnly, std::less<MoveOnly>, other_allocator<MoveOnly>> C;45 static_assert(std::is_nothrow_move_constructible<C>::value, "");46 }47#endif // _LIBCPP_VERSION48 {49 typedef std::set<MoveOnly, some_comp<MoveOnly>> C;50 static_assert(!std::is_nothrow_move_constructible<C>::value, "");51 }52 53 return 0;54}55