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