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 // XFAIL: with_system_lib=x86_64-apple-darwin11 11 // XFAIL: with_system_lib=x86_64-apple-darwin12 12 13 // <istream> 14 15 // basic_istream<charT,traits>& 16 // ignore(streamsize n = 1, int_type delim = traits::eof()); 17 18 // http://llvm.org/bugs/show_bug.cgi?id=16427 19 20 #include <sstream> 21 #include <cassert> 22 23 int main() 24 { 25 int bad=-1; 26 std::ostringstream os; 27 os << "aaaabbbb" << static_cast<char>(bad) 28 << "ccccdddd" << std::endl; 29 std::string s=os.str(); 30 31 std::istringstream is(s); 32 const unsigned int ignoreLen=10; 33 size_t a=is.tellg(); 34 is.ignore(ignoreLen); 35 size_t b=is.tellg(); 36 assert((b-a)==ignoreLen); 37 } 38
