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52066eae | 1 | // { dg-do run { target c++11 } } |
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2 | |
3 | // 2010-08-11 Paolo Carlini <paolo.carlini@oracle.com> | |
4 | // | |
99dee823 | 5 | // Copyright (C) 2010-2021 Free Software Foundation, Inc. |
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6 | // |
7 | // This file is part of the GNU ISO C++ Library. This library is free | |
8 | // software; you can redistribute it and/or modify it under the | |
9 | // terms of the GNU General Public License as published by the | |
10 | // Free Software Foundation; either version 3, or (at your option) | |
11 | // any later version. | |
12 | // | |
13 | // This library is distributed in the hope that it will be useful, | |
14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | // GNU General Public License for more details. | |
17 | // | |
18 | // You should have received a copy of the GNU General Public License along | |
19 | // with this library; see the file COPYING3. If not see | |
20 | // <http://www.gnu.org/licenses/>. | |
21 | ||
22 | #include <forward_list> | |
23 | #include <testsuite_hooks.h> | |
24 | ||
25 | // 23.3.3.5 forward_list operations [forwardlist.ops] | |
26 | ||
27 | // Used to cause many Valgrind errors: LWG 526-type situation. | |
ba6a601c | 28 | void test01() |
afb767b4 | 29 | { |
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30 | std::forward_list<int> fl1; |
31 | ||
32 | fl1.push_front(1); | |
33 | fl1.push_front(2); | |
34 | fl1.push_front(3); | |
35 | fl1.push_front(4); | |
36 | fl1.push_front(1); | |
37 | ||
38 | fl1.remove(*fl1.begin()); | |
39 | ||
40 | VERIFY( std::distance(fl1.begin(), fl1.end()) == 3 ); | |
41 | ||
42 | auto it1 = fl1.begin(); | |
43 | ||
44 | VERIFY( *it1 == 4 ); | |
45 | ++it1; | |
46 | VERIFY( *it1 == 3 ); | |
47 | ++it1; | |
48 | VERIFY( *it1 == 2 ); | |
49 | ||
50 | std::forward_list<int> fl2; | |
51 | ||
52 | fl2.push_front(3); | |
53 | fl2.push_front(3); | |
54 | fl2.push_front(3); | |
55 | fl2.push_front(3); | |
56 | fl2.push_front(3); | |
57 | ||
58 | auto it2 = fl2.begin(); | |
59 | ++it2; | |
60 | ++it2; | |
61 | ||
62 | fl2.remove(*it2); | |
63 | ||
64 | VERIFY( std::distance(fl2.begin(), fl2.end()) == 0 ); | |
65 | ||
66 | std::forward_list<int> fl3; | |
67 | ||
68 | fl3.push_front(1); | |
69 | fl3.push_front(2); | |
70 | fl3.push_front(3); | |
71 | fl3.push_front(3); | |
72 | fl3.push_front(3); | |
73 | ||
74 | auto it3 = fl3.begin(); | |
75 | ++it3; | |
76 | ++it3; | |
77 | ||
78 | fl3.remove(*it3); | |
79 | ||
80 | VERIFY( std::distance(fl3.begin(), fl3.end()) == 2 ); | |
81 | ||
82 | it3 = fl3.begin(); | |
83 | VERIFY( *it3 == 2 ); | |
84 | ++it3; | |
85 | VERIFY( *it3 == 1 ); | |
86 | } | |
87 | ||
88 | int main() | |
89 | { | |
90 | test01(); | |
91 | return 0; | |
92 | } |