string.pass.cpp revision e6440c6fa235c6933fc3a55a36752dc53a6098a8
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// <fstream> 11 12// template <class charT, class traits = char_traits<charT> > 13// class basic_fstream 14 15// explicit basic_fstream(const string& s, ios_base::openmode mode = ios_base::in|ios_base::out); 16 17#include <fstream> 18#include <cassert> 19 20int main() 21{ 22 char temp [L_tmpnam]; 23 tmpnam(temp); 24 { 25 std::fstream fs(std::string(temp), 26 std::ios_base::in | std::ios_base::out 27 | std::ios_base::trunc); 28 double x = 0; 29 fs << 3.25; 30 fs.seekg(0); 31 fs >> x; 32 assert(x == 3.25); 33 } 34 std::remove(temp); 35 { 36 std::wfstream fs(std::string(temp), 37 std::ios_base::in | std::ios_base::out 38 | std::ios_base::trunc); 39 double x = 0; 40 fs << 3.25; 41 fs.seekg(0); 42 fs >> x; 43 assert(x == 3.25); 44 } 45 std::remove(temp); 46} 47