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 // <ostream> 13 14 // template <class charT, class traits = char_traits<charT> > 15 // class basic_ostream; 16 17 // basic_ostream& operator=(basic_ostream&& rhs); 18 19 #include <ostream> 20 #include <cassert> 21 22 23 template <class CharT> 24 struct testbuf 25 : public std::basic_streambuf<CharT> 26 { 27 testbuf() {} 28 }; 29 30 template <class CharT> 31 struct test_ostream 32 : public std::basic_ostream<CharT> 33 { 34 typedef std::basic_ostream<CharT> base; 35 test_ostream(testbuf<CharT>* sb) : base(sb) {} 36 37 test_ostream& operator=(test_ostream&& s) 38 {base::operator=(std::move(s)); return *this;} 39 }; 40 41 42 int main() 43 { 44 { 45 testbuf<char> sb1; 46 testbuf<char> sb2; 47 test_ostream<char> os1(&sb1); 48 test_ostream<char> os2(&sb2); 49 os2 = (std::move(os1)); 50 assert(os1.rdbuf() == &sb1); 51 assert(os1.tie() == 0); 52 assert(os1.fill() == ' '); 53 assert(os1.rdstate() == os1.goodbit); 54 assert(os1.exceptions() == os1.goodbit); 55 assert(os1.flags() == (os1.skipws | os1.dec)); 56 assert(os1.precision() == 6); 57 assert(os1.getloc().name() == "C"); 58 assert(os2.rdbuf() == &sb2); 59 assert(os2.tie() == 0); 60 assert(os2.fill() == ' '); 61 assert(os2.rdstate() == os2.goodbit); 62 assert(os2.exceptions() == os2.goodbit); 63 assert(os2.flags() == (os2.skipws | os2.dec)); 64 assert(os2.precision() == 6); 65 assert(os2.getloc().name() == "C"); 66 } 67 { 68 testbuf<wchar_t> sb1; 69 testbuf<wchar_t> sb2; 70 test_ostream<wchar_t> os1(&sb1); 71 test_ostream<wchar_t> os2(&sb2); 72 os2 = (std::move(os1)); 73 assert(os1.rdbuf() == &sb1); 74 assert(os1.tie() == 0); 75 assert(os1.fill() == ' '); 76 assert(os1.rdstate() == os1.goodbit); 77 assert(os1.exceptions() == os1.goodbit); 78 assert(os1.flags() == (os1.skipws | os1.dec)); 79 assert(os1.precision() == 6); 80 assert(os1.getloc().name() == "C"); 81 assert(os2.rdbuf() == &sb2); 82 assert(os2.tie() == 0); 83 assert(os2.fill() == ' '); 84 assert(os2.rdstate() == os2.goodbit); 85 assert(os2.exceptions() == os2.goodbit); 86 assert(os2.flags() == (os2.skipws | os2.dec)); 87 assert(os2.precision() == 6); 88 assert(os2.getloc().name() == "C"); 89 } 90 } 91
