Dan Albert | 287553d | 2017-02-16 10:47:51 -0800 | [diff] [blame] | 1 | //===----------------------------------------------------------------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is dual licensed under the MIT and the University of Illinois Open |
| 6 | // Source Licenses. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | // UNSUPPORTED: c++98, c++03 |
| 11 | |
| 12 | // <string> |
| 13 | |
| 14 | // basic_string(basic_string&&) |
| 15 | // noexcept(is_nothrow_move_constructible<allocator_type>::value); |
| 16 | |
| 17 | // This tests a conforming extension |
| 18 | |
| 19 | #include <string> |
| 20 | #include <cassert> |
| 21 | |
| 22 | #include "test_macros.h" |
| 23 | #include "test_allocator.h" |
| 24 | |
| 25 | template <class T> |
| 26 | struct some_alloc |
| 27 | { |
| 28 | typedef T value_type; |
| 29 | some_alloc(const some_alloc&); |
| 30 | }; |
| 31 | |
| 32 | int main() |
| 33 | { |
| 34 | { |
| 35 | typedef std::string C; |
| 36 | static_assert(std::is_nothrow_move_constructible<C>::value, ""); |
| 37 | } |
| 38 | { |
| 39 | typedef std::basic_string<char, std::char_traits<char>, test_allocator<char>> C; |
| 40 | static_assert(std::is_nothrow_move_constructible<C>::value, ""); |
| 41 | } |
| 42 | { |
| 43 | typedef std::basic_string<char, std::char_traits<char>, some_alloc<char>> C; |
| 44 | #if TEST_STD_VER <= 14 |
| 45 | static_assert(!std::is_nothrow_move_constructible<C>::value, ""); |
| 46 | #else |
| 47 | static_assert( std::is_nothrow_move_constructible<C>::value, ""); |
| 48 | #endif |
| 49 | } |
| 50 | } |