1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // UNSUPPORTED: c++98, c++03 11 12 // <istream> 13 14 // template <class charT, class traits = char_traits<charT> > 15 // class basic_istream; 16 17 // basic_istream(basic_istream&& rhs); 18 19 #include <istream> 20 #include <cassert> 21 22 template <class CharT> 23 struct testbuf 24 : public std::basic_streambuf<CharT> 25 { 26 testbuf() {} 27 }; 28 29 template <class CharT> 30 struct test_istream 31 : public std::basic_istream<CharT> 32 { 33 typedef std::basic_istream<CharT> base; 34 test_istream(testbuf<CharT>* sb) : base(sb) {} 35 36 test_istream(test_istream&& s) 37 : base(std::move(s)) {} 38 }; 39 40 int main() 41 { 42 { 43 testbuf<char> sb; 44 test_istream<char> is1(&sb); 45 test_istream<char> is(std::move(is1)); 46 assert(is1.rdbuf() == &sb); 47 assert(is1.gcount() == 0); 48 assert(is.gcount() == 0); 49 assert(is.rdbuf() == 0); 50 assert(is.tie() == 0); 51 assert(is.fill() == ' '); 52 assert(is.rdstate() == is.goodbit); 53 assert(is.exceptions() == is.goodbit); 54 assert(is.flags() == (is.skipws | is.dec)); 55 assert(is.precision() == 6); 56 assert(is.getloc().name() == "C"); 57 } 58 { 59 testbuf<wchar_t> sb; 60 test_istream<wchar_t> is1(&sb); 61 test_istream<wchar_t> is(std::move(is1)); 62 assert(is1.gcount() == 0); 63 assert(is.gcount() == 0); 64 assert(is1.rdbuf() == &sb); 65 assert(is.rdbuf() == 0); 66 assert(is.tie() == 0); 67 assert(is.fill() == L' '); 68 assert(is.rdstate() == is.goodbit); 69 assert(is.exceptions() == is.goodbit); 70 assert(is.flags() == (is.skipws | is.dec)); 71 assert(is.precision() == 6); 72 assert(is.getloc().name() == "C"); 73 } 74 } 75
