1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9// <deque>
10
11// deque()
12// noexcept(is_nothrow_default_constructible<allocator_type>::value);
13
14// This tests a conforming extension
15
16// UNSUPPORTED: c++03
17
18#include <deque>
19#include <cassert>
20
21#include "test_macros.h"
22#include "MoveOnly.h"
23#include "test_allocator.h"
24
25template <class T>
26struct some_alloc
27{
28 typedef T value_type;
29 some_alloc(const some_alloc&);
30 void allocate(std::size_t);
31};
32
33int main(int, char**)
34{
35#if defined(_LIBCPP_VERSION)
36 {
37 typedef std::deque<MoveOnly> C;
38 static_assert(std::is_nothrow_default_constructible<C>::value, "");
39 }
40 {
41 typedef std::deque<MoveOnly, test_allocator<MoveOnly>> C;
42 static_assert(std::is_nothrow_default_constructible<C>::value, "");
43 }
44#endif // _LIBCPP_VERSION
45 {
46 typedef std::deque<MoveOnly, other_allocator<MoveOnly>> C;
47 static_assert(!std::is_nothrow_default_constructible<C>::value, "");
48 }
49 {
50 typedef std::deque<MoveOnly, some_alloc<MoveOnly>> C;
51 static_assert(!std::is_nothrow_default_constructible<C>::value, "");
52 }
53
54 return 0;
55}
56

source code of libcxx/test/std/containers/sequences/deque/deque.cons/default_noexcept.pass.cpp