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来自「linux下编程用 编译软件」· CC 代码 · 共 61 行

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// Copyright (C) 2005 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 2, 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 COPYING.  If not, write to the Free// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,// USA.// 25.2.2 swap_ranges#include <algorithm>#include <testsuite_hooks.h>#include <testsuite_iterators.h>using __gnu_test::test_container;using __gnu_test::forward_iterator_wrapper;typedef test_container<int, forward_iterator_wrapper> Container; voidtest1(){  bool test __attribute__((unused)) = true;  int array1[]={1, 2};  int array2[]={3, 4};  Container con1(array1, array1 + 2);  Container con2(array2, array2 + 2);  VERIFY(std::swap_ranges(con1.begin(), con1.end(), con2.begin()).ptr ==	 array2 + 2);  VERIFY(array1[0] == 3 && array1[1] == 4 && array2[0] == 1 && array2[1] == 2);}voidtest2(){  bool test __attribute__((unused)) = true;  int array1[] = {1};  int array2[] = {1};  Container con1(array1, array1);  Container con2(array2, array2);  VERIFY(swap_ranges(con1.begin(), con1.end(), con2.begin()).ptr == array2);}int main(){  test1();  test2();}

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