1// Multiset iterator invalidation tests 2 3// Copyright (C) 2003-2015 Free Software Foundation, Inc. 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 8// Free Software Foundation; either version 3, or (at your option) 9// any later version. 10 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. 15 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/>. 19 20#include <debug/set> 21#include <iterator> 22#include <testsuite_hooks.h> 23 24using __gnu_debug::multiset; 25using std::advance; 26 27// Erase 28void test02() 29{ 30 bool test __attribute__((unused)) = true; 31 multiset<int> v; 32 for (int i = 0; i < 20; ++i) 33 v.insert(i); 34 35 // Single element erase (middle) 36 multiset<int>::iterator before = v.begin(); 37 multiset<int>::iterator at = before; 38 advance(at, 3); 39 multiset<int>::iterator after = at; 40 ++after; 41 v.erase(at); 42 VERIFY(before._M_dereferenceable()); 43 VERIFY(at._M_singular()); 44 VERIFY(after._M_dereferenceable()); 45 46 // Multiple element erase 47 before = v.begin(); 48 at = before; 49 advance(at, 3); 50 after = at; 51 advance(after, 4); 52 v.erase(at, after); 53 VERIFY(before._M_dereferenceable()); 54 VERIFY(at._M_singular()); 55 56 // clear() 57 before = v.begin(); 58 multiset<int>::iterator finish = v.end(); 59 VERIFY(before._M_dereferenceable()); 60 v.clear(); 61 VERIFY(before._M_singular()); 62 VERIFY(!finish._M_singular() && !finish._M_dereferenceable()); 63} 64 65int main() 66{ 67 test02(); 68 return 0; 69} 70