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 // <unordered_set>
11
12 // unordered_set(unordered_set&&)
13 // noexcept(is_nothrow_move_constructible<allocator_type>::value &&
14 // is_nothrow_move_constructible<key_compare>::value);
15
16 // This tests a conforming extension
17
18 #include <unordered_set>
19 #include <cassert>
20
21 #include "../../../MoveOnly.h"
22 #include "test_allocator.h"
23
24 template <class T>
25 struct some_comp
26 {
27 typedef T value_type;
28 some_comp(const some_comp&);
29 };
30
31 template <class T>
32 struct some_hash
33 {
34 typedef T value_type;
35 some_hash();
36 some_hash(const some_hash&);
37 };
38
main()39 int main()
40 {
41 #if __has_feature(cxx_noexcept)
42 {
43 typedef std::unordered_set<MoveOnly> C;
44 static_assert(std::is_nothrow_move_constructible<C>::value, "");
45 }
46 {
47 typedef std::unordered_set<MoveOnly, std::hash<MoveOnly>,
48 std::equal_to<MoveOnly>, test_allocator<MoveOnly>> C;
49 static_assert(std::is_nothrow_move_constructible<C>::value, "");
50 }
51 {
52 typedef std::unordered_set<MoveOnly, std::hash<MoveOnly>,
53 std::equal_to<MoveOnly>, other_allocator<MoveOnly>> C;
54 static_assert(std::is_nothrow_move_constructible<C>::value, "");
55 }
56 {
57 typedef std::unordered_set<MoveOnly, some_hash<MoveOnly>> C;
58 static_assert(!std::is_nothrow_move_constructible<C>::value, "");
59 }
60 {
61 typedef std::unordered_set<MoveOnly, std::hash<MoveOnly>,
62 some_comp<MoveOnly>> C;
63 static_assert(!std::is_nothrow_move_constructible<C>::value, "");
64 }
65 #endif
66 }
67