default_noexcept.pass.cpp (1384B)
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 // UNSUPPORTED: c++98, c++03 10 11 // <vector> 12 13 // vector() 14 // noexcept(is_nothrow_default_constructible<allocator_type>::value); 15 16 // This *was* a conforming extension, but it was adopted in N4258. 17 18 19 #include <vector> 20 #include <cassert> 21 22 #include "test_macros.h" 23 #include "MoveOnly.h" 24 #include "test_allocator.h" 25 26 template <class T> 27 struct some_alloc 28 { 29 typedef T value_type; 30 some_alloc(const some_alloc&); 31 }; 32 33 int main() 34 { 35 { 36 typedef std::vector<MoveOnly> C; 37 static_assert(std::is_nothrow_default_constructible<C>::value, ""); 38 } 39 { 40 typedef std::vector<MoveOnly, test_allocator<MoveOnly>> C; 41 static_assert(std::is_nothrow_default_constructible<C>::value, ""); 42 } 43 { 44 typedef std::vector<MoveOnly, other_allocator<MoveOnly>> C; 45 static_assert(!std::is_nothrow_default_constructible<C>::value, ""); 46 } 47 { 48 typedef std::vector<MoveOnly, some_alloc<MoveOnly>> C; 49 static_assert(!std::is_nothrow_default_constructible<C>::value, ""); 50 } 51 }