1bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 2bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 3f5256e16dfc425c1d466f6308d4026d529ce9e0bHoward Hinnant// The LLVM Compiler Infrastructure 4bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 5b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open 6b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// Source Licenses. See LICENSE.TXT for details. 7bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 8bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 9bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 10bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// <fstream> 11bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 12bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// template <class charT, class traits = char_traits<charT> > 13bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// class basic_fstream 14bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 15bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// void open(const char* s, ios_base::openmode mode = ios_base::in|ios_base::out); 16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <fstream> 18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cassert> 1906d8bf6ce2008526732ae40ad46f7ff031c409e7Howard Hinnant#include "platform_support.h" 20bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 21bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main() 22bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 2306d8bf6ce2008526732ae40ad46f7ff031c409e7Howard Hinnant std::string temp = get_temp_file_name(); 24bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 25bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::fstream fs; 26bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(!fs.is_open()); 2706d8bf6ce2008526732ae40ad46f7ff031c409e7Howard Hinnant fs.open(temp.c_str(), std::ios_base::in | std::ios_base::out 2813aaf422e49fa4b66642966bfc6078b5d9adde12Sean Hunt | std::ios_base::trunc); 29bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(fs.is_open()); 30bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant double x = 0; 31bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant fs << 3.25; 32bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant fs.seekg(0); 33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant fs >> x; 34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(x == 3.25); 35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 3606d8bf6ce2008526732ae40ad46f7ff031c409e7Howard Hinnant std::remove(temp.c_str()); 37bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 38bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::wfstream fs; 39bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(!fs.is_open()); 4006d8bf6ce2008526732ae40ad46f7ff031c409e7Howard Hinnant fs.open(temp.c_str(), std::ios_base::in | std::ios_base::out 4113aaf422e49fa4b66642966bfc6078b5d9adde12Sean Hunt | std::ios_base::trunc); 42bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(fs.is_open()); 43bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant double x = 0; 44bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant fs << 3.25; 45bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant fs.seekg(0); 46bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant fs >> x; 47bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(x == 3.25); 48bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 4906d8bf6ce2008526732ae40ad46f7ff031c409e7Howard Hinnant std::remove(temp.c_str()); 50bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 51