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1 | // Copyright (C) 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 | // { dg-do run } | |
19 | ||
20 | #include <memory> | |
21 | #include <testsuite_hooks.h> | |
22 | ||
23 | void | |
24 | test01() | |
25 | { | |
26 | int i[4] = { }; | |
27 | std::uninitialized_fill_n(i, 2.0001, 0xabcd); | |
28 | VERIFY( i[0] == 0xabcd ); | |
29 | VERIFY( i[1] == 0xabcd ); | |
30 | VERIFY( i[2] == 0xabcd ); | |
31 | VERIFY( i[3] == 0 ); | |
32 | } | |
33 | ||
34 | void | |
35 | test02() | |
36 | { | |
37 | // The standard only requires that n>0 and --n are valid expressions. | |
38 | struct Size | |
39 | { | |
40 | int value; | |
41 | ||
42 | void operator--() { --value; } | |
43 | ||
44 | int operator>(void*) { return value != 0; } | |
45 | }; | |
46 | ||
47 | int i[5] = { }; | |
48 | Size n = {4}; | |
49 | std::uninitialized_fill_n(i, n, 0xdcba); | |
50 | VERIFY( i[0] == 0xdcba ); | |
51 | VERIFY( i[1] == 0xdcba ); | |
52 | VERIFY( i[2] == 0xdcba ); | |
53 | VERIFY( i[3] == 0xdcba ); | |
54 | VERIFY( i[4] == 0 ); | |
55 | } | |
56 | ||
57 | int | |
58 | main() | |
59 | { | |
60 | test01(); | |
61 | test02(); | |
62 | } |