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 // <vector> 11 12 // vector(vector&&) 13 // noexcept(is_nothrow_move_constructible<allocator_type>::value); 14 15 // This tests a conforming extension 16 17 #include <vector> 18 #include <cassert> 19 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 }; 28 main()29int main() 30 { 31 #if __has_feature(cxx_noexcept) 32 { 33 typedef std::vector<bool> C; 34 static_assert(std::is_nothrow_move_constructible<C>::value, ""); 35 } 36 { 37 typedef std::vector<bool, test_allocator<bool>> C; 38 static_assert(std::is_nothrow_move_constructible<C>::value, ""); 39 } 40 { 41 typedef std::vector<bool, other_allocator<bool>> C; 42 static_assert(std::is_nothrow_move_constructible<C>::value, ""); 43 } 44 { 45 typedef std::vector<bool, some_alloc<bool>> C; 46 // In C++17, move constructors for allocators are not allowed to throw 47 #if TEST_STD_VER > 14 48 static_assert( std::is_nothrow_move_constructible<C>::value, ""); 49 #else 50 static_assert(!std::is_nothrow_move_constructible<C>::value, ""); 51 #endif 52 } 53 #endif 54 } 55