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8868286e | 1 | // { dg-options "-std=gnu++11" } |
d87c5d24 | 2 | |
f1717362 | 3 | // Copyright (C) 2008-2016 Free Software Foundation, Inc. |
d87c5d24 | 4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free | |
6 | // software; you can redistribute it and/or modify it under the | |
7 | // terms of the GNU General Public License as published by the | |
6bc9506f | 8 | // Free Software Foundation; either version 3, or (at your option) |
d87c5d24 | 9 | // any later version. |
10 | ||
11 | // This library is distributed in the hope that it will be useful, | |
c68c6d54 | 12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
d87c5d24 | 13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | // GNU General Public License for more details. | |
15 | ||
16 | // You should have received a copy of the GNU General Public License along | |
6bc9506f | 17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
d87c5d24 | 19 | |
20 | // 23.2.3.n forward_list xxx [lib.forward_list.xxx] | |
21 | ||
22 | #include <forward_list> | |
23 | #include <testsuite_hooks.h> | |
24 | ||
d87c5d24 | 25 | // This test verifies the following: |
26 | // cbegin | |
27 | // erase_after one iterator | |
28 | // pos is useable and points to current element | |
29 | void | |
30 | test01() | |
31 | { | |
216b4dab | 32 | bool test __attribute__((unused)) = true; |
33 | ||
d87c5d24 | 34 | std::forward_list<int> fl({0, 1, 2, 3, 4, 5, 6, 7, 8, 9}); |
35 | ||
36 | std::forward_list<int>::const_iterator pos = fl.cbegin(); | |
37 | ++pos; | |
216b4dab | 38 | VERIFY( *pos == 1 ); |
d87c5d24 | 39 | |
216b4dab | 40 | std::forward_list<int>::iterator pos2 = fl.erase_after(pos); |
d87c5d24 | 41 | |
216b4dab | 42 | VERIFY( *pos == 1 ); |
d87c5d24 | 43 | ++pos; |
216b4dab | 44 | VERIFY( *pos == 3 ); |
45 | VERIFY( pos == pos2 ); | |
d87c5d24 | 46 | } |
47 | ||
48 | // This test verifies the following: | |
49 | // cbegin | |
50 | // erase_after iterator range | |
51 | // pos is useable and points to current element | |
52 | void | |
53 | test02() | |
54 | { | |
216b4dab | 55 | bool test __attribute__((unused)) = true; |
56 | ||
d87c5d24 | 57 | std::forward_list<int> fl({0, 1, 2, 3, 4, 5, 6, 7, 8, 9}); |
58 | ||
59 | std::forward_list<int>::const_iterator pos = fl.cbegin(); | |
60 | ++pos; | |
216b4dab | 61 | VERIFY( *pos == 1 ); |
d87c5d24 | 62 | |
63 | std::forward_list<int>::iterator stop = fl.begin(); | |
64 | ++stop; | |
65 | ++stop; | |
66 | ++stop; | |
67 | ++stop; | |
216b4dab | 68 | VERIFY( *stop == 4 ); |
d87c5d24 | 69 | |
216b4dab | 70 | std::forward_list<int>::iterator pos2 = fl.erase_after(pos, stop); |
d87c5d24 | 71 | |
216b4dab | 72 | VERIFY( pos2 == stop ); |
73 | VERIFY( *pos == 1 ); | |
d87c5d24 | 74 | ++pos; |
216b4dab | 75 | VERIFY( *pos == 4 ); |
76 | VERIFY( std::distance(fl.begin(), fl.end()) == 8 ); | |
77 | ||
78 | std::forward_list<int>::iterator pos3 | |
79 | = fl.erase_after(pos, fl.end()); | |
80 | VERIFY( pos3 == fl.end() ); | |
81 | VERIFY( ++pos == fl.end() ); | |
82 | VERIFY( std::distance(fl.begin(), fl.end()) == 3 ); | |
83 | ||
84 | std::forward_list<int>::iterator pos4 | |
85 | = fl.erase_after(fl.before_begin(), pos); | |
86 | VERIFY( pos4 == pos ); | |
87 | VERIFY( std::distance(fl.begin(), fl.end()) == 0 ); | |
88 | VERIFY( fl.empty() ); | |
d87c5d24 | 89 | } |
90 | ||
91 | int | |
92 | main() | |
93 | { | |
94 | test01(); | |
95 | test02(); | |
96 | return 0; | |
97 | } |