]>
Commit | Line | Data |
---|---|---|
1 | // Copyright (C) 2012-2020 Free Software Foundation, Inc. | |
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 | // This test verifies that the value type of a map need not be default copyable. | |
19 | ||
20 | // { dg-do run { target c++11 } } | |
21 | ||
22 | #include <map> | |
23 | #include <testsuite_hooks.h> | |
24 | #include <testsuite_rvalref.h> | |
25 | #include <testsuite_counter_type.h> | |
26 | ||
27 | struct Mapped | |
28 | { | |
29 | Mapped() = default; | |
30 | explicit Mapped(const Mapped&) = default; | |
31 | }; | |
32 | ||
33 | struct DefaultConstructibleType | |
34 | { | |
35 | int val; | |
36 | ||
37 | DefaultConstructibleType() : val(123) | |
38 | {} | |
39 | ||
40 | DefaultConstructibleType(const DefaultConstructibleType&) = delete; | |
41 | DefaultConstructibleType(DefaultConstructibleType&&) = delete; | |
42 | ||
43 | DefaultConstructibleType& operator=(int x) | |
44 | { | |
45 | val = x; | |
46 | return *this; | |
47 | } | |
48 | }; | |
49 | ||
50 | void test01() | |
51 | { | |
52 | using __gnu_test::rvalstruct; | |
53 | using __gnu_test::counter_type; | |
54 | ||
55 | std::map<int, Mapped> m1; | |
56 | m1[0] = Mapped(); | |
57 | ||
58 | std::map<int, rvalstruct> m2; | |
59 | m2[0] = rvalstruct(13); | |
60 | ||
61 | std::map<int, DefaultConstructibleType> m3; | |
62 | VERIFY( m3[0].val == 123 ); | |
63 | VERIFY( m3.size() == 1 ); | |
64 | m3[0] = 2; | |
65 | VERIFY( m3[0].val == 2 ); | |
66 | ||
67 | std::map<counter_type, int> m4; | |
68 | VERIFY( m4[counter_type(1)] == 0 ); | |
69 | VERIFY( counter_type::specialize_count == 1 ); | |
70 | VERIFY( counter_type::copy_count == 0 ); | |
71 | VERIFY( counter_type::move_count == 1 ); | |
72 | ||
73 | counter_type k(2); | |
74 | counter_type::reset(); | |
75 | ||
76 | VERIFY( m4[k] == 0 ); | |
77 | VERIFY( counter_type::copy_count == 1 ); | |
78 | VERIFY( counter_type::move_count == 0 ); | |
79 | } | |
80 | ||
81 | int main() | |
82 | { | |
83 | test01(); | |
84 | return 0; | |
85 | } |