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
main()25 int main()
26 {
27 {
28 typedef std::string C;
29 static_assert(std::is_nothrow_move_constructible<C>::value, "");
30 }
31 {
32 typedef std::basic_string<char, std::char_traits<char>, test_allocator<char>> C;
33 static_assert(std::is_nothrow_move_constructible<C>::value, "");
34 }
35 {
36 typedef std::basic_string<char, std::char_traits<char>, limited_allocator<char, 10>> C;
37 #if TEST_STD_VER <= 14
38 static_assert(!std::is_nothrow_move_constructible<C>::value, "");
39 #else
40 static_assert( std::is_nothrow_move_constructible<C>::value, "");
41 #endif
42 }
43 }
44