move_noexcept.pass.cpp (1506B)
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 // UNSUPPORTED: c++98, c++03 18 19 #include <vector> 20 #include <cassert> 21 22 #include "MoveOnly.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::vector<MoveOnly> C; 36 static_assert(std::is_nothrow_move_constructible<C>::value, ""); 37 } 38 { 39 typedef std::vector<MoveOnly, test_allocator<MoveOnly>> C; 40 static_assert(std::is_nothrow_move_constructible<C>::value, ""); 41 } 42 { 43 typedef std::vector<MoveOnly, other_allocator<MoveOnly>> C; 44 static_assert(std::is_nothrow_move_constructible<C>::value, ""); 45 } 46 { 47 typedef std::vector<MoveOnly, some_alloc<MoveOnly>> C; 48 // In C++17, move constructors for allocators are not allowed to throw 49 #if TEST_STD_VER > 14 50 static_assert( std::is_nothrow_move_constructible<C>::value, ""); 51 #else 52 static_assert(!std::is_nothrow_move_constructible<C>::value, ""); 53 #endif 54 } 55 }