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046af809 | 1 | // { dg-do run { target c++11 } } |
a04b73e1 | 2 | // { dg-require-effective-target cxx11_abi } |
046af809 NDR |
3 | |
4 | // 2019-05-27 Nina Dinka Ranns <dinka.ranns@gmail.com> | |
5 | // | |
99dee823 | 6 | // Copyright (C) 2015-2021 Free Software Foundation, Inc. |
046af809 NDR |
7 | // |
8 | // This file is part of the GNU ISO C++ Library. This library is free | |
9 | // software; you can redistribute it and/or modify it under the | |
10 | // terms of the GNU General Public License as published by the | |
11 | // Free Software Foundation; either version 3, or (at your option) | |
12 | // any later version. | |
13 | ||
14 | // This library is distributed in the hope that it will be useful, | |
15 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | // GNU General Public License for more details. | |
18 | ||
19 | // You should have received a copy of the GNU General Public License along | |
20 | // with this library; see the file COPYING3. If not see | |
21 | // <http://www.gnu.org/licenses/>. | |
22 | ||
23 | #include <string> | |
24 | #include <testsuite_hooks.h> | |
25 | ||
26 | using C = wchar_t; | |
27 | using traits = std::char_traits<C>; | |
28 | int constructCount = 0; | |
29 | ||
30 | static void resetCounter() | |
31 | { | |
32 | constructCount = 0; | |
33 | } | |
34 | ||
35 | template <class Tp> | |
36 | struct TestAllocator | |
37 | { | |
38 | typedef Tp value_type; | |
39 | using size_type = unsigned; | |
40 | ||
41 | TestAllocator() noexcept { constructCount++; } | |
42 | ||
43 | template <class T> | |
44 | TestAllocator(const TestAllocator<T>&) {} | |
45 | ||
46 | Tp *allocate(std::size_t n) | |
47 | { return std::allocator<Tp>().allocate(n); } | |
48 | ||
49 | void deallocate(Tp *p, std::size_t n) | |
50 | { std::allocator<Tp>().deallocate(p, n); } | |
51 | ||
52 | }; | |
53 | ||
54 | template <class T, class U> | |
55 | bool operator==(const TestAllocator<T>&, const TestAllocator<U>&) | |
56 | { return true; } | |
57 | template <class T, class U> | |
58 | bool operator!=(const TestAllocator<T>&, const TestAllocator<U>&) | |
59 | { return false; } | |
60 | ||
61 | void test01() | |
62 | { | |
63 | typedef TestAllocator<C> alloc_type; | |
64 | typedef std::basic_string<C, traits, alloc_type> test_type; | |
65 | test_type v1{alloc_type()}; | |
66 | std::wstring v2{L"some_content"}; | |
67 | ||
68 | resetCounter(); | |
69 | v1.assign(v2.begin(),v2.end()); | |
70 | VERIFY( constructCount == 0); | |
71 | ||
72 | v1.append(v2.begin(),v2.end()); | |
73 | VERIFY( constructCount == 0); | |
74 | ||
75 | v1.insert(v1.begin(),v1.begin(),v1.end()); | |
76 | VERIFY( constructCount == 0); | |
77 | ||
78 | v1.replace(v1.begin(),v1.end(),v1.begin(),v1.end()); | |
79 | VERIFY( constructCount == 0); | |
80 | } | |
81 | int main() | |
82 | { | |
83 | test01(); | |
84 | return 0; | |
85 | } |