1b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner//===----------------------------------------------------------------------===// 2b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner// 3b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner// The LLVM Compiler Infrastructure 4b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner// 5b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner// This file is dual licensed under the MIT and the University of Illinois Open 6b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner// Source Licenses. See LICENSE.TXT for details. 7b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner// 8b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner//===----------------------------------------------------------------------===// 9b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner 10b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner// <strstream> 11b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner 12b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner// class strstreambuf 13b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner 14b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner// pos_type seekoff(off_type off, ios_base::seekdir way, 15b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner// ios_base::openmode which = ios_base::in | ios_base::out); 16b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner 17b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner#include <strstream> 18b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner#include <cassert> 19b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner 20b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turnerint main() 21b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner{ 22b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner { 23b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner char buf[] = "0123456789"; 24b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner std::strstreambuf sb(buf, 0); 25b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner assert(sb.pubseekoff(3, std::ios_base::beg, std::ios_base::out) == -1); 26b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner assert(sb.pubseekoff(3, std::ios_base::cur, std::ios_base::out) == -1); 27b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner assert(sb.pubseekoff(-3, std::ios_base::end, std::ios_base::out) == -1); 28b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner assert(sb.pubseekoff(3, std::ios_base::beg, std::ios_base::in | std::ios_base::out) == -1); 29b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner assert(sb.pubseekoff(3, std::ios_base::cur, std::ios_base::in | std::ios_base::out) == -1); 30b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner assert(sb.pubseekoff(-3, std::ios_base::end, std::ios_base::in | std::ios_base::out) == -1); 31b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner assert(sb.pubseekoff(3, std::ios_base::beg, std::ios_base::in) == 3); 32b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner assert(sb.sgetc() == '3'); 33b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner assert(sb.pubseekoff(3, std::ios_base::cur, std::ios_base::in) == 6); 34b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner assert(sb.sgetc() == '6'); 35b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner assert(sb.pubseekoff(-3, std::ios_base::end, std::ios_base::in) == 7); 36b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner assert(sb.sgetc() == '7'); 37b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner } 38b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner { 39b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner char buf[] = "0123456789"; 40b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner std::strstreambuf sb(buf, 0, buf); 41b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner assert(sb.pubseekoff(3, std::ios_base::beg, std::ios_base::in) == 3); 42b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner assert(sb.pubseekoff(3, std::ios_base::cur, std::ios_base::in) == 6); 43b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner assert(sb.pubseekoff(-3, std::ios_base::end, std::ios_base::in) == 7); 44b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner assert(sb.pubseekoff(3, std::ios_base::beg, std::ios_base::out | std::ios_base::in) == 3); 45b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner assert(sb.pubseekoff(3, std::ios_base::cur, std::ios_base::out | std::ios_base::in) == -1); 46b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner assert(sb.pubseekoff(-3, std::ios_base::end, std::ios_base::out | std::ios_base::in) == 7); 47b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner assert(sb.pubseekoff(3, std::ios_base::beg, std::ios_base::out) == 3); 48b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner assert(sb.sputc('a') == 'a'); 49b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner assert(sb.str() == std::string("012a456789")); 50b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner assert(sb.pubseekoff(3, std::ios_base::cur, std::ios_base::out) == 7); 51b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner assert(sb.sputc('b') == 'b'); 52b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner assert(sb.str() == std::string("012a456b89")); 53b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner assert(sb.pubseekoff(-3, std::ios_base::end, std::ios_base::out) == 7); 54b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner assert(sb.sputc('c') == 'c'); 55b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner assert(sb.str() == std::string("012a456c89")); 56b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner } 57b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner} 58