1 // { dg-options "-std=gnu++0x" }
3 // Copyright (C) 2008-2013 Free Software Foundation, Inc.
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
8 // Free Software Foundation; either version 3, or (at your option)
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License along
17 // with this library; see the file COPYING3. If not see
18 // <http://www.gnu.org/licenses/>.
20 // 23.2.3.n forward_list xxx [lib.forward_list.xxx]
22 #include <forward_list>
23 #include <testsuite_hooks.h>
25 // This test verifies the following:
27 // erase_after one iterator
28 // pos is useable and points to current element
32 bool test __attribute__((unused)) = true;
34 std::forward_list<int> fl({0, 1, 2, 3, 4, 5, 6, 7, 8, 9});
36 std::forward_list<int>::const_iterator pos = fl.cbegin();
40 std::forward_list<int>::iterator pos2 = fl.erase_after(pos);
45 VERIFY( pos == pos2 );
48 // This test verifies the following:
50 // erase_after iterator range
51 // pos is useable and points to current element
55 bool test __attribute__((unused)) = true;
57 std::forward_list<int> fl({0, 1, 2, 3, 4, 5, 6, 7, 8, 9});
59 std::forward_list<int>::const_iterator pos = fl.cbegin();
63 std::forward_list<int>::iterator stop = fl.begin();
70 std::forward_list<int>::iterator pos2 = fl.erase_after(pos, stop);
72 VERIFY( pos2 == stop );
76 VERIFY( std::distance(fl.begin(), fl.end()) == 8 );
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 );
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 );