move_assign.pass.cpp revision 73d21a4f0774d3fadab98e690619a359cfb160a3
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// basic_istream& operator=(basic_istream&& rhs); 16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <istream> 18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cassert> 19bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 2073d21a4f0774d3fadab98e690619a359cfb160a3Howard Hinnant#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 21bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 22bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnanttemplate <class CharT> 23bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantstruct testbuf 24bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant : public std::basic_streambuf<CharT> 25bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 26bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant testbuf() {} 27bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant}; 28bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 29bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnanttemplate <class CharT> 30bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantstruct test_istream 31bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant : public std::basic_istream<CharT> 32bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant typedef std::basic_istream<CharT> base; 34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_istream(testbuf<CharT>* sb) : base(sb) {} 35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 36bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_istream& operator=(test_istream&& s) 37bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant {base::operator=(std::move(s)); return *this;} 38bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant}; 39bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 4073d21a4f0774d3fadab98e690619a359cfb160a3Howard Hinnant#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 41bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 42bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main() 43bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 4473d21a4f0774d3fadab98e690619a359cfb160a3Howard Hinnant#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 45bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 46bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant testbuf<char> sb1; 47bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant testbuf<char> sb2; 48bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_istream<char> is1(&sb1); 49bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_istream<char> is2(&sb2); 50bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant is2 = (std::move(is1)); 51bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is1.rdbuf() == &sb1); 52bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is1.tie() == 0); 53bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is1.fill() == ' '); 54bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is1.rdstate() == is1.goodbit); 55bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is1.exceptions() == is1.goodbit); 56bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is1.flags() == (is1.skipws | is1.dec)); 57bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is1.precision() == 6); 58bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is1.getloc().name() == "C"); 59bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is2.rdbuf() == &sb2); 60bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is2.tie() == 0); 61bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is2.fill() == ' '); 62bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is2.rdstate() == is2.goodbit); 63bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is2.exceptions() == is2.goodbit); 64bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is2.flags() == (is2.skipws | is2.dec)); 65bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is2.precision() == 6); 66bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is2.getloc().name() == "C"); 67bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 68bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 69bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant testbuf<wchar_t> sb1; 70bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant testbuf<wchar_t> sb2; 71bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_istream<wchar_t> is1(&sb1); 72bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_istream<wchar_t> is2(&sb2); 73bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant is2 = (std::move(is1)); 74bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is1.rdbuf() == &sb1); 75bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is1.tie() == 0); 76bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is1.fill() == ' '); 77bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is1.rdstate() == is1.goodbit); 78bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is1.exceptions() == is1.goodbit); 79bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is1.flags() == (is1.skipws | is1.dec)); 80bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is1.precision() == 6); 81bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is1.getloc().name() == "C"); 82bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is2.rdbuf() == &sb2); 83bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is2.tie() == 0); 84bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is2.fill() == ' '); 85bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is2.rdstate() == is2.goodbit); 86bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is2.exceptions() == is2.goodbit); 87bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is2.flags() == (is2.skipws | is2.dec)); 88bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is2.precision() == 6); 89bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(is2.getloc().name() == "C"); 90bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 9173d21a4f0774d3fadab98e690619a359cfb160a3Howard Hinnant#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 92bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 93