1// Copyright (C) 2004, 2005 Free Software Foundation 2// 3// This file is part of the GNU ISO C++ Library. This library is free 4// software; you can redistribute it and/or modify it under the 5// terms of the GNU General Public License as published by the 6// Free Software Foundation; either version 2, or (at your option) 7// any later version. 8 9// This library is distributed in the hope that it will be useful, 10// but WITHOUT ANY WARRANTY; without even the implied warranty of 11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12// GNU General Public License for more details. 13 14// You should have received a copy of the GNU General Public License along 15// with this library; see the file COPYING. If not, write to the Free 16// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 17// USA. 18 19#include <map> 20#include <testsuite_hooks.h> 21 22struct T { int i; }; 23 24// T must be LessThanComparable to pass concept-checks 25bool operator<(T l, T r) { return l.i < r.i; } 26 27int swap_calls; 28 29namespace std 30{ 31 template<> 32 void 33 map<T, int>::swap(map<T, int>&) 34 { ++swap_calls; } 35} 36 37// Should use map specialization for swap. 38void test01() 39{ 40 bool test __attribute__((unused)) = true; 41 std::map<T, int> A; 42 std::map<T, int> B; 43 swap_calls = 0; 44 std::swap(A, B); 45 VERIFY(1 == swap_calls); 46} 47 48// Should use map specialization for swap. 49void test02() 50{ 51 bool test __attribute__((unused)) = true; 52 using namespace std; 53 map<T, int> A; 54 map<T, int> B; 55 swap_calls = 0; 56 swap(A, B); 57 VERIFY(1 == swap_calls); 58} 59 60// See c++/13658 for background info. 61int main() 62{ 63 test01(); 64 test02(); 65 return 0; 66} 67