| //===----------------------------------------------------------------------===// |
| // |
| // 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. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <string> |
| |
| // basic_string(basic_string&&) |
| // noexcept(is_nothrow_move_constructible<allocator_type>::value); |
| |
| // This tests a conforming extension |
| |
| #include <string> |
| #include <cassert> |
| |
| #include "../test_allocator.h" |
| |
| template <class T> |
| struct some_alloc |
| { |
| typedef T value_type; |
| some_alloc(const some_alloc&); |
| }; |
| |
| int main() |
| { |
| #if __has_feature(cxx_noexcept) |
| { |
| typedef std::string C; |
| static_assert(std::is_nothrow_move_constructible<C>::value, ""); |
| } |
| { |
| typedef std::basic_string<char, std::char_traits<char>, test_allocator<char>> C; |
| static_assert(std::is_nothrow_move_constructible<C>::value, ""); |
| } |
| { |
| typedef std::basic_string<char, std::char_traits<char>, some_alloc<char>> C; |
| static_assert(!std::is_nothrow_move_constructible<C>::value, ""); |
| } |
| #endif |
| } |