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() // implied noexcept; 15 16 #include <string> 17 #include <cassert> 18 19 #include "test_macros.h" 20 #include "test_allocator.h" 21 22 template <class T> 23 struct some_alloc 24 { 25 typedef T value_type; 26 some_alloc(const some_alloc&); 27 ~some_alloc() noexcept(false); 28 }; 29 30 // Test that it's possible to take the address of basic_string's destructors 31 // by creating globals which will register their destructors with cxa_atexit. 32 std::string s; 33 std::wstring ws; 34 main()35int main() 36 { 37 { 38 typedef std::string C; 39 static_assert(std::is_nothrow_destructible<C>::value, ""); 40 } 41 { 42 typedef std::basic_string<char, std::char_traits<char>, test_allocator<char>> C; 43 static_assert(std::is_nothrow_destructible<C>::value, ""); 44 } 45 #if defined(_LIBCPP_VERSION) 46 { 47 typedef std::basic_string<char, std::char_traits<char>, some_alloc<char>> C; 48 static_assert(!std::is_nothrow_destructible<C>::value, ""); 49 } 50 #endif // _LIBCPP_VERSION 51 } 52