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 // <iterator> 11 12 // istreambuf_iterator 13 14 // istreambuf_iterator<charT,traits>& 15 // istreambuf_iterator<charT,traits>::operator++(); 16 17 #include <iterator> 18 #include <sstream> 19 #include <cassert> 20 main()21int main() 22 { 23 { 24 std::istringstream inf("abc"); 25 std::istreambuf_iterator<char> i(inf); 26 assert(*i == 'a'); 27 assert(*++i == 'b'); 28 assert(*++i == 'c'); 29 assert(++i == std::istreambuf_iterator<char>()); 30 } 31 { 32 std::wistringstream inf(L"abc"); 33 std::istreambuf_iterator<wchar_t> i(inf); 34 assert(*i == L'a'); 35 assert(*++i == L'b'); 36 assert(*++i == L'c'); 37 assert(++i == std::istreambuf_iterator<wchar_t>()); 38 } 39 } 40