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// <deque>
11
12// deque()
13//        noexcept(is_nothrow_default_constructible<allocator_type>::value);
14
15// This tests a conforming extension
16
17#include <deque>
18#include <cassert>
19
20#include "../../../MoveOnly.h"
21#include "test_allocator.h"
22
23template <class T>
24struct some_alloc
25{
26    typedef T value_type;
27    some_alloc(const some_alloc&);
28};
29
30int main()
31{
32#if __has_feature(cxx_noexcept)
33    {
34        typedef std::deque<MoveOnly> C;
35        static_assert(std::is_nothrow_default_constructible<C>::value, "");
36    }
37    {
38        typedef std::deque<MoveOnly, test_allocator<MoveOnly>> C;
39        static_assert(std::is_nothrow_default_constructible<C>::value, "");
40    }
41    {
42        typedef std::deque<MoveOnly, other_allocator<MoveOnly>> C;
43        static_assert(!std::is_nothrow_default_constructible<C>::value, "");
44    }
45    {
46        typedef std::deque<MoveOnly, some_alloc<MoveOnly>> C;
47        static_assert(!std::is_nothrow_default_constructible<C>::value, "");
48    }
49#endif
50}
51