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99dee823 | 1 | // Copyright (C) 2018-2021 Free Software Foundation, Inc. |
ef45724a 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 | // { dg-options "-std=gnu++2a" } | |
19 | // { dg-do run { target c++2a } } | |
20 | ||
21 | #include <list> | |
22 | #include <testsuite_hooks.h> | |
23 | ||
24 | using test_type = std::list<int>; | |
25 | ||
26 | void | |
27 | test01() | |
28 | { | |
29 | test_type x{1, 2, 3, 4, 3, 2, 1}; | |
30 | static_assert(std::is_same_v<decltype(x.remove(0)), test_type::size_type>); | |
31 | test_type::size_type r = x.remove(0); | |
32 | VERIFY( r == 0 ); | |
33 | r = x.remove(1); | |
34 | VERIFY( r == 2 ); | |
35 | r = x.remove(1); | |
36 | VERIFY( r == 0 ); | |
37 | r = x.remove(4); | |
38 | VERIFY( r == 1 ); | |
39 | } | |
40 | ||
41 | void | |
42 | test02() | |
43 | { | |
44 | int i = 0; | |
45 | auto pred = [&i](int val) { return val == i; }; | |
46 | test_type x{1, 2, 3, 4, 3, 2, 1}; | |
47 | static_assert(std::is_same_v<decltype(x.remove_if(pred)), | |
48 | test_type::size_type>); | |
49 | test_type::size_type r = x.remove_if(pred); | |
50 | VERIFY( r == 0 ); | |
51 | i = 1; | |
52 | r = x.remove_if(pred); | |
53 | VERIFY( r == 2 ); | |
54 | r = x.remove_if(pred); | |
55 | VERIFY( r == 0 ); | |
56 | i = 4; | |
57 | r = x.remove_if(pred); | |
58 | VERIFY( r == 1 ); | |
59 | } | |
60 | ||
61 | int | |
62 | main() | |
63 | { | |
64 | test01(); | |
65 | test02(); | |
66 | } |