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aa118a03 | 1 | // Copyright (C) 2012-2014 Free Software Foundation, Inc. |
181a5a13 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 | ||
18 | // 23.5.4 template class unordered_map | |
19 | ||
20 | // This test verifies that the value type of a unordered_map need not be | |
21 | // default copyable. | |
22 | ||
23 | // { dg-options "-std=gnu++11" } | |
24 | ||
25 | #include <unordered_map> | |
26 | #include <testsuite_hooks.h> | |
27 | #include <testsuite_rvalref.h> | |
28 | #include <testsuite_counter_type.h> | |
29 | ||
30 | struct Mapped | |
31 | { | |
32 | Mapped() = default; | |
33 | explicit Mapped(const Mapped&) = default; | |
34 | }; | |
35 | ||
36 | struct DefaultConstructibleType | |
37 | { | |
38 | int val; | |
39 | ||
40 | DefaultConstructibleType() : val(123) | |
41 | {} | |
42 | ||
43 | DefaultConstructibleType(const DefaultConstructibleType&) = delete; | |
44 | DefaultConstructibleType(DefaultConstructibleType&&) = delete; | |
45 | ||
46 | DefaultConstructibleType& operator=(int x) | |
47 | { | |
48 | val = x; | |
49 | return *this; | |
50 | } | |
51 | }; | |
52 | ||
53 | void test01() | |
54 | { | |
55 | bool test __attribute__((unused)) = true; | |
56 | ||
57 | using __gnu_test::rvalstruct; | |
58 | using __gnu_test::counter_type; | |
59 | ||
60 | std::unordered_map<int, Mapped> m1; | |
61 | m1[0] = Mapped(); | |
62 | ||
63 | std::unordered_map<int, rvalstruct> m2; | |
64 | m2[0] = rvalstruct(13); | |
65 | ||
66 | std::unordered_map<int, DefaultConstructibleType> m3; | |
67 | VERIFY( m3[0].val == 123 ); | |
68 | VERIFY( m3.size() == 1 ); | |
69 | m3[0] = 2; | |
70 | VERIFY( m3[0].val == 2 ); | |
71 | ||
72 | std::unordered_map<counter_type, int, | |
73 | __gnu_test::counter_type_hasher> m4; | |
74 | VERIFY( m4[counter_type(1)] == 0 ); | |
75 | VERIFY( counter_type::specialize_count == 1 ); | |
76 | VERIFY( counter_type::copy_count == 0 ); | |
77 | VERIFY( counter_type::move_count == 1 ); | |
78 | ||
79 | counter_type k(2); | |
80 | counter_type::reset(); | |
81 | ||
82 | VERIFY( m4[k] == 0 ); | |
83 | VERIFY( counter_type::copy_count == 1 ); | |
84 | VERIFY( counter_type::move_count == 0 ); | |
85 | } | |
86 | ||
87 | int main() | |
88 | { | |
89 | test01(); | |
90 | return 0; | |
91 | } |