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a945c346 | 1 | // Copyright (C) 2014-2024 Free Software Foundation, Inc. |
e51cf2f5 JW |
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 | #include <memory> | |
19 | #include <testsuite_hooks.h> | |
20 | ||
21 | // test specialization for trivial types | |
22 | void | |
23 | test01() | |
24 | { | |
25 | const int N = 10; | |
26 | int arr[N] = { }; | |
27 | const int n = 5; | |
28 | const int over9000 = 9001; | |
29 | int* end = std::uninitialized_fill_n(arr, n, over9000); | |
30 | VERIFY( end = arr + n ); | |
31 | for (int i = 0; i < n; ++i) | |
32 | VERIFY( arr[i] == over9000 ); | |
33 | for (int i = n; i < N; ++i) | |
34 | VERIFY( arr[i] == 0 ); | |
35 | } | |
36 | ||
37 | struct T | |
38 | { | |
39 | T() { } | |
40 | T(const T&) { ++counter; } | |
41 | static int counter; | |
42 | }; | |
43 | ||
44 | int T::counter; | |
45 | ||
46 | // test non-trivial | |
47 | void | |
48 | test02() | |
49 | { | |
50 | const int n = 5; | |
51 | char* mem = new char[sizeof(T)*n]; | |
52 | T* p = reinterpret_cast<T*>(mem); | |
53 | T* end = std::uninitialized_fill_n(p, n, T()); | |
54 | VERIFY( end = p + n ); | |
55 | VERIFY( T::counter == n ); | |
56 | delete[] mem; | |
57 | } | |
58 | ||
59 | int | |
60 | main() | |
61 | { | |
62 | test01(); | |
63 | test02(); | |
64 | } |