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5624e564 | 1 | // Copyright (C) 2013-2015 Free Software Foundation, Inc. |
0462b6aa FD |
2 | // |
3 | // This file is part of the GNU ISO C++ Library. This library is free | |
4 | // software; you can redistribute it and/or modify it under the | |
5 | // terms of the GNU General Public License as published by the | |
6 | // Free Software Foundation; either version 3, or (at your option) | |
7 | // any later version. | |
8 | ||
9 | // This library is distributed in the hope that it will be useful, | |
10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | // GNU General Public License for more details. | |
13 | ||
14 | // You should have received a copy of the GNU General Public License along | |
15 | // with this library; see the file COPYING3. If not see | |
16 | // <http://www.gnu.org/licenses/>. | |
17 | ||
50875e80 | 18 | // { dg-do compile } |
d5ffd10b | 19 | // { dg-options "-std=gnu++11" } |
0462b6aa FD |
20 | |
21 | #include <unordered_map> | |
0462b6aa FD |
22 | #include <testsuite_allocator.h> |
23 | ||
24 | struct T { int i; }; | |
25 | ||
26 | struct hash | |
27 | { | |
28 | std::size_t operator()(const T t) const noexcept | |
29 | { return t.i; } | |
30 | }; | |
31 | ||
32 | struct equal_to | |
33 | { | |
34 | bool operator()(const T& lhs, const T& rhs) const noexcept | |
35 | { return lhs.i == rhs.i; } | |
36 | }; | |
37 | ||
38 | namespace __gnu_test | |
39 | { | |
50875e80 JW |
40 | template<typename U> |
41 | inline void | |
42 | swap(propagating_allocator<U, true>& l, propagating_allocator<U, true>& r) | |
43 | noexcept(false) | |
44 | { } | |
0462b6aa FD |
45 | } |
46 | ||
47 | using __gnu_test::propagating_allocator; | |
48 | ||
49 | void test01() | |
50 | { | |
51 | typedef std::allocator<T> alloc_type; | |
52 | typedef std::unordered_multimap<T, T, hash, equal_to, alloc_type> test_type; | |
53 | test_type v1; | |
54 | test_type v2; | |
55 | // this is a GNU extension for std::allocator | |
56 | static_assert( noexcept( v1 = std::move(v2) ), "Move assign cannot throw" ); | |
57 | static_assert( noexcept( v1.swap(v2) ), "Swap cannot throw" ); | |
58 | } | |
59 | ||
60 | void test02() | |
61 | { | |
62 | typedef propagating_allocator<T, false> alloc_type; | |
63 | typedef std::unordered_multimap<T, T, hash, equal_to, alloc_type> test_type; | |
64 | test_type v1(alloc_type(1)); | |
65 | test_type v2(alloc_type(2)); | |
66 | static_assert( !noexcept( v1 = std::move(v2) ), "Move assign can throw" ); | |
67 | static_assert( noexcept( v1.swap(v2) ), "Swap cannot throw" ); | |
68 | } | |
69 | ||
70 | void test03() | |
71 | { | |
72 | typedef propagating_allocator<T, true> alloc_type; | |
73 | typedef std::unordered_multimap<T, T, hash, equal_to, alloc_type> test_type; | |
74 | test_type v1(alloc_type(1)); | |
75 | test_type v2(alloc_type(2)); | |
76 | static_assert( noexcept( v1 = std::move(v2) ), "Move assign cannot throw" ); | |
50875e80 | 77 | static_assert( !noexcept( v1.swap(v2) ), "Swap can throw" ); |
0462b6aa | 78 | } |
da27f556 FD |
79 | |
80 | void test04() | |
81 | { | |
82 | typedef std::unordered_multimap<int, int> test_type; | |
83 | static_assert( noexcept( test_type() ), "Default constructor do not throw" ); | |
84 | static_assert( noexcept( test_type(test_type()) ), "Move constructor do not throw" ); | |
85 | } |