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()
13//        noexcept(is_nothrow_default_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 "test_macros.h"
23#include "MoveOnly.h"
24#include "test_allocator.h"
25
26template <class T>
27struct some_alloc
28{
29    typedef T value_type;
30    some_alloc(const some_alloc&);
31};
32
33int 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}
52