| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <istream> |
| |
| // basic_istream<charT,traits>& |
| // ignore(streamsize n = 1, int_type delim = traits::eof()); |
| |
| // https://bugs.llvm.org/show_bug.cgi?id=16427 |
| |
| #include <sstream> |
| #include <cassert> |
| |
| int main(int, char**) |
| { |
| int bad=-1; |
| std::ostringstream os; |
| os << "aaaabbbb" << static_cast<char>(bad) |
| << "ccccdddd" << std::endl; |
| std::string s=os.str(); |
| |
| std::istringstream is(s); |
| const unsigned int ignoreLen=10; |
| std::istringstream::pos_type a=is.tellg(); |
| is.ignore(ignoreLen); |
| std::istringstream::pos_type b=is.tellg(); |
| assert((b-a)==ignoreLen); |
| |
| return 0; |
| } |