open_string.pass.cpp revision bc8d3f97eb5c958007f2713238472e0c1c8fe02c
1c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch//===----------------------------------------------------------------------===// 2c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch// 3c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch// ��������������������The LLVM Compiler Infrastructure 4c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch// 5c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch// This file is distributed under the University of Illinois Open Source 6c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch// License. See LICENSE.TXT for details. 7c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch// 8c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch//===----------------------------------------------------------------------===// 9c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch 10c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch// <fstream> 11c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch 12c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch// template <class charT, class traits = char_traits<charT> > 13c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch// class basic_fstream 14c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch 15c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch// void open(const string& s, ios_base::openmode mode = ios_base::in|ios_base::out); 16c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch 17c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch#include <fstream> 18c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch#include <cassert> 19c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch 20c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdochint main() 21c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch{ 22 { 23 std::fstream fs; 24 assert(!fs.is_open()); 25 fs.open(std::string("test.dat"), std::ios_base::in | std::ios_base::out 26 | std::ios_base::trunc); 27 assert(fs.is_open()); 28 double x = 0; 29 fs << 3.25; 30 fs.seekg(0); 31 fs >> x; 32 assert(x == 3.25); 33 } 34 std::remove("test.dat"); 35 { 36 std::wfstream fs; 37 assert(!fs.is_open()); 38 fs.open(std::string("test.dat"), std::ios_base::in | std::ios_base::out 39 | std::ios_base::trunc); 40 assert(fs.is_open()); 41 double x = 0; 42 fs << 3.25; 43 fs.seekg(0); 44 fs >> x; 45 assert(x == 3.25); 46 } 47 std::remove("test.dat"); 48} 49