member_swap.pass.cpp revision f5256e16dfc425c1d466f6308d4026d529ce9e0b
1bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 2bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 3f5256e16dfc425c1d466f6308d4026d529ce9e0bHoward Hinnant// The LLVM Compiler Infrastructure 4bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 5bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// This file is distributed under the University of Illinois Open Source 6bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// License. See LICENSE.TXT for details. 7bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 8bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 9bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 10bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// <istream> 11bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 12bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// template <class charT, class traits = char_traits<charT> > 13bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// class basic_istream; 14bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 15bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// void swap(basic_istream& rhs); 16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <istream> 18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cassert> 19bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 20bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnanttemplate <class CharT> 21bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantstruct testbuf 22bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant : public std::basic_streambuf<CharT> 23bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 24bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant testbuf() {} 25bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant}; 26bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 27bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnanttemplate <class CharT> 28bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantstruct test_istream 29bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant : public std::basic_istream<CharT> 30bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 31bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant typedef std::basic_istream<CharT> base; 32bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_istream(testbuf<CharT>* sb) : base(sb) {} 33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant void swap(test_istream& s) {base::swap(s);} 35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant}; 36bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 37bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main() 38bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 39bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 40bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant testbuf<char> sb1; 41bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant testbuf<char> sb2; 42bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_istream<char> is1(&sb1); 43bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_istream<char> is2(&sb2); 44bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant is1.swap(is2); 45bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is1.rdbuf() == &sb1); 46bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is1.tie() == 0); 47bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is1.fill() == ' '); 48bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is1.rdstate() == is1.goodbit); 49bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is1.exceptions() == is1.goodbit); 50bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is1.flags() == (is1.skipws | is1.dec)); 51bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is1.precision() == 6); 52bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is1.getloc().name() == "C"); 53bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is2.rdbuf() == &sb2); 54bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is2.tie() == 0); 55bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is2.fill() == ' '); 56bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is2.rdstate() == is2.goodbit); 57bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is2.exceptions() == is2.goodbit); 58bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is2.flags() == (is2.skipws | is2.dec)); 59bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is2.precision() == 6); 60bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is2.getloc().name() == "C"); 61bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 62bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 63bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant testbuf<wchar_t> sb1; 64bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant testbuf<wchar_t> sb2; 65bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_istream<wchar_t> is1(&sb1); 66bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_istream<wchar_t> is2(&sb2); 67bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant is1.swap(is2); 68bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is1.rdbuf() == &sb1); 69bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is1.tie() == 0); 70bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is1.fill() == ' '); 71bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is1.rdstate() == is1.goodbit); 72bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is1.exceptions() == is1.goodbit); 73bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is1.flags() == (is1.skipws | is1.dec)); 74bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is1.precision() == 6); 75bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is1.getloc().name() == "C"); 76bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is2.rdbuf() == &sb2); 77bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is2.tie() == 0); 78bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is2.fill() == ' '); 79bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is2.rdstate() == is2.goodbit); 80bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is2.exceptions() == is2.goodbit); 81bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is2.flags() == (is2.skipws | is2.dec)); 82bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is2.precision() == 6); 83bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is2.getloc().name() == "C"); 84bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 85bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 86