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// Vector iterator invalidation tests // Copyright (C) 2003, 2004, 2005, 2006, 2009 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the // terms of the GNU General Public License as published by the // Free Software Foundation; either version 3, or (at your option) // any later version. // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License along // with this library; see the file COPYING3. If not see // <http://www.gnu.org/licenses/>. // We need to be pedantic about reallocations for this testcase to be correct. // { dg-options "-D_GLIBCXX_DEBUG_PEDANTIC" } #ifndef _GLIBCXX_DEBUG_PEDANTIC # define _GLIBCXX_DEBUG_PEDANTIC 1 #endif #include <debug/vector> #include <testsuite_hooks.h> using __gnu_debug::vector; bool test = true; // Insert void test03() { vector<int> v(10, 17); v.reserve(30); // Insert a single element vector<int>::iterator before = v.begin() + 6; vector<int>::iterator at = before + 1; vector<int>::iterator after = at; at = v.insert(at, 42); VERIFY(before._M_dereferenceable()); VERIFY(at._M_dereferenceable()); VERIFY(after._M_singular()); // Insert multiple copies before = v.begin() + 6; at = before + 1; v.insert(at, 3, 42); VERIFY(before._M_dereferenceable()); VERIFY(at._M_singular()); // Insert iterator range static int data[] = { 2, 3, 5, 7 }; before = v.begin() + 6; at = before + 1; v.insert(at, &data[0], &data[0] + 4); VERIFY(before._M_dereferenceable()); VERIFY(at._M_singular()); // Insert with reallocation before = v.begin() + 6; at = before + 1; v.insert(at, 30, 17); VERIFY(before._M_singular()); VERIFY(at._M_singular()); // Single insert with reallocation vector<int> v2; v2.reserve(100); at = v2.begin(); v2.insert(at, 100, 17); at = v2.end() - 1; before = v2.begin(); VERIFY(at._M_dereferenceable()); VERIFY(before._M_dereferenceable()); at = v2.insert(at, 42); VERIFY(at._M_dereferenceable()); VERIFY(before._M_singular()); } int main() { test03(); return 0; }