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 const& rhs) = delete; 18 // basic_istream& operator=(basic_istream const&) = delete; 19 20 #include <istream> 21 #include <type_traits> 22 #include <cassert> 23 24 struct test_istream 25 : public std::basic_istream<char> 26 { 27 typedef std::basic_istream<char> base; 28 29 test_istream(test_istream&& s) 30 : base(std::move(s)) // OK 31 { 32 } 33 34 test_istream& operator=(test_istream&& s) { 35 base::operator=(std::move(s)); // OK 36 return *this; 37 } 38 39 test_istream(test_istream const& s) 40 : base(s) // expected-error {{call to deleted constructor of 'std::basic_istream<char>'}} 41 { 42 } 43 44 test_istream& operator=(test_istream const& s) { 45 base::operator=(s); // expected-error {{call to deleted member function 'operator='}} 46 return *this; 47 } 48 49 }; 50 51 52 int main() 53 { 54 55 } 56
