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
25 template <class T>
26 struct some_alloc
27 {
28 typedef T value_type;
29 some_alloc(const some_alloc&);
30 void allocate(std::size_t);
31 };
32
main(int,char **)33 int 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