pointer.pass.cpp revision b64f8b07c104c6cc986570ac8ee0ed16a9f23976
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 char* s, ios_base::openmode mode = ios_base::in | ios_base::out); 16 17#include <fstream> 18#include <cassert> 19 20int main() 21{ 22 { 23 std::fstream fs("test.dat", std::ios_base::in | std::ios_base::out 24 | std::ios_base::trunc); 25 double x = 0; 26 fs << 3.25; 27 fs.seekg(0); 28 fs >> x; 29 assert(x == 3.25); 30 } 31 std::remove("test.dat"); 32 { 33 std::wfstream fs("test.dat", std::ios_base::in | std::ios_base::out 34 | std::ios_base::trunc); 35 double x = 0; 36 fs << 3.25; 37 fs.seekg(0); 38 fs >> x; 39 assert(x == 3.25); 40 } 41 std::remove("test.dat"); 42} 43